From 9ec7b9693a6a0229296b9cc7a15931a498a5988d Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 13 Jun 2022 01:01:45 +0000
Subject: [PATCH 01/31] wip(gem): various adjustments to Rubygem

---
 pyroscope_ffi/ruby/Gemfile.lock             | 135 --------------------
 pyroscope_ffi/ruby/ext/rbspy/Cargo.lock     |  61 ++++-----
 pyroscope_ffi/ruby/ext/rbspy/Cargo.toml     |   3 +
 pyroscope_ffi/ruby/lib/pyroscope/version.rb |   2 +-
 pyroscope_ffi/ruby/lib/pyroscope_beta.rb    |   2 +-
 pyroscope_ffi/ruby/pyroscope.gemspec        |  16 +--
 6 files changed, 32 insertions(+), 187 deletions(-)
 delete mode 100644 pyroscope_ffi/ruby/Gemfile.lock

diff --git a/pyroscope_ffi/ruby/Gemfile.lock b/pyroscope_ffi/ruby/Gemfile.lock
deleted file mode 100644
index 1dd8d396..00000000
--- a/pyroscope_ffi/ruby/Gemfile.lock
+++ /dev/null
@@ -1,135 +0,0 @@
-PATH
-  remote: .
-  specs:
-    pyroscope_beta (0.1.7)
-      ffi (~> 1.9)
-      fiddle (~> 1.1)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    coderay (1.1.3)
-    diff-lcs (1.5.0)
-    docile (1.4.0)
-    faraday (1.10.0)
-      faraday-em_http (~> 1.0)
-      faraday-em_synchrony (~> 1.0)
-      faraday-excon (~> 1.1)
-      faraday-httpclient (~> 1.0)
-      faraday-multipart (~> 1.0)
-      faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.0)
-      faraday-patron (~> 1.0)
-      faraday-rack (~> 1.0)
-      faraday-retry (~> 1.0)
-      ruby2_keywords (>= 0.0.4)
-    faraday-em_http (1.0.0)
-    faraday-em_synchrony (1.0.0)
-    faraday-excon (1.1.0)
-    faraday-httpclient (1.0.1)
-    faraday-multipart (1.0.3)
-      multipart-post (>= 1.2, < 3)
-    faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.2.0)
-    faraday-patron (1.0.0)
-    faraday-rack (1.0.0)
-    faraday-retry (1.0.3)
-    ffi (1.15.5)
-    fiddle (1.1.0)
-    formatador (1.1.0)
-    git-version-bump (0.17.2)
-    github-release (0.2.0)
-      git-version-bump
-      octokit (>= 3.0, < 5)
-    guard (2.18.0)
-      formatador (>= 0.2.4)
-      listen (>= 2.7, < 4.0)
-      lumberjack (>= 1.0.12, < 2.0)
-      nenv (~> 0.1)
-      notiffany (~> 0.0)
-      pry (>= 0.13.0)
-      shellany (~> 0.0)
-      thor (>= 0.18.1)
-    guard-compat (1.2.1)
-    guard-rspec (4.7.3)
-      guard (~> 2.1)
-      guard-compat (~> 1.1)
-      rspec (>= 2.99.0, < 4.0)
-    listen (3.7.1)
-      rb-fsevent (~> 0.10, >= 0.10.3)
-      rb-inotify (~> 0.9, >= 0.9.10)
-    lumberjack (1.2.8)
-    method_source (1.0.0)
-    multipart-post (2.1.1)
-    nenv (0.3.0)
-    notiffany (0.1.3)
-      nenv (~> 0.1)
-      shellany (~> 0.0)
-    octokit (4.22.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
-    pry (0.14.1)
-      coderay (~> 1.1)
-      method_source (~> 1.0)
-    public_suffix (4.0.7)
-    rake (13.0.6)
-    rake-compiler (1.2.0)
-      rake
-    rake-compiler-dock (1.2.1)
-    rb-fsevent (0.11.1)
-    rb-inotify (0.10.1)
-      ffi (~> 1.0)
-    rb_sys (0.1.3)
-    redcarpet (3.5.1)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-mocks (3.11.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-support (3.11.0)
-    ruby2_keywords (0.0.5)
-    sawyer (0.8.2)
-      addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
-    shellany (0.0.1)
-    simplecov (0.21.2)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.4)
-    thor (1.2.1)
-    webrick (1.7.0)
-    yard (0.9.27)
-      webrick (~> 1.7.0)
-
-PLATFORMS
-  x86_64-darwin-21
-  x86_64-linux
-
-DEPENDENCIES
-  bundler
-  github-release
-  guard-rspec
-  pyroscope_beta!
-  rake (~> 13.0)
-  rake-compiler (~> 1.2)
-  rake-compiler-dock (~> 1.2)
-  rb-inotify (~> 0.9)
-  rb_sys (~> 0.1)
-  redcarpet
-  rspec
-  simplecov
-  yard
-
-BUNDLED WITH
-   2.3.12
diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock b/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
index a144c759..dbb0b4e1 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
+++ b/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
@@ -120,9 +120,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bumpalo"
-version = "3.9.1"
+version = "3.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a45a46ab1f2412e53d3a0ade76ffad2025804294569aae387231a0cd6e0899"
+checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
 
 [[package]]
 name = "bytemuck"
@@ -534,9 +534,9 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
 name = "goblin"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c955ab4e0ad8c843ea653a3d143048b87490d9be56bd7132a435c2407846ac8f"
+checksum = "cfeb764aa29a0774d290c2df134a37ab2e3c1ba59009162626658aabefda321a"
 dependencies = [
  "log",
  "plain",
@@ -591,9 +591,9 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff8670570af52249509a86f5e3e18a08c60b177071826898fde8997cf5f6bfbb"
+checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
 dependencies = [
  "bytes",
  "fnv",
@@ -848,9 +848,9 @@ dependencies = [
 
 [[package]]
 name = "mach2"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c29a677a8db77a45ddd1370ac4fbd5187f827780000202079e28949f1a75cb1"
+checksum = "6d0d1830bcd151a6fc4aea1369af235b36c1528fe976b8ff678683c9995eade8"
 dependencies = [
  "libc",
 ]
@@ -1083,9 +1083,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.73"
+version = "0.9.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5fd19fb3e0a8191c1e34935718976a3e70c112ab9a24af6d7cadccd9d90bc0"
+checksum = "835363342df5fba8354c5b453325b110ffd54044e588c539cf2f20a8014e4cb1"
 dependencies = [
  "autocfg",
  "cc",
@@ -1240,9 +1240,9 @@ dependencies = [
 
 [[package]]
 name = "pyroscope_rbspy"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b038acb1c386903c37c27b19584d2de04b9fc3e160fd628d351f2666a86ac993"
+checksum = "3359aa2a37be1fd6fa096cb1b73380c3f8b975346d5b3423f7a4f559acb9ba0a"
 dependencies = [
  "anyhow",
  "log",
@@ -1386,8 +1386,7 @@ dependencies = [
 [[package]]
 name = "read-process-memory"
 version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a103589f0c267c68328595f1ff45647e9d4b3ee6b9c1c51dcdc9b4b55ca504c5"
+source = "git+https://github.com/omarabid/read-process-memory.git?branch=0.1.4-fix#51a5122d0d084478cc7563414255392e8f026971"
 dependencies = [
  "libc",
  "log",
@@ -1758,9 +1757,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.95"
+version = "1.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbaf6116ab8924f39d52792136fb74fd60a80194cf1b1c6ffa6453eef1c3f942"
+checksum = "0748dd251e24453cb8717f0354206b91557e4ec8703673a4b30208f2abaf1ebf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1873,9 +1872,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.18.2"
+version = "1.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4903bf0427cf68dddd5aa6a93220756f8be0c34fcfa9f5e6191e103e15a31395"
+checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
 dependencies = [
  "bytes",
  "libc",
@@ -1911,9 +1910,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f988a1a1adc2fb21f9c12aa96441da33a1728193ae0b95d2be22dbd17fcb4e5c"
+checksum = "cc463cd8deddc3770d20f9852143d50bf6094e640b485cb2e189a2099085ff45"
 dependencies = [
  "bytes",
  "futures-core",
@@ -1931,34 +1930,22 @@ checksum = "360dfd1d6d30e05fda32ace2c8c70e9c0a9da713275777f5a4dbb8a1893930c6"
 
 [[package]]
 name = "tracing"
-version = "0.1.34"
+version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d0ecdcb44a79f0fe9844f0c4f33a342cbcbb5117de8001e6ba0dc2351327d09"
+checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
 dependencies = [
  "cfg-if",
  "pin-project-lite",
- "tracing-attributes",
  "tracing-core",
 ]
 
-[[package]]
-name = "tracing-attributes"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc6b8ad3567499f98a1db7a752b07a7c8c7c7c34c332ec00effb2b0027974b7c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "tracing-core"
-version = "0.1.26"
+version = "0.1.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f54c8ca710e81886d498c2fd3331b56c93aa248d49de2222ad2742247c60072f"
+checksum = "7709595b8878a4965ce5e87ebf880a7d39c9afc6837721b21a5a816a8117d921"
 dependencies = [
- "lazy_static",
+ "once_cell",
 ]
 
 [[package]]
diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
index b8754fef..1b776029 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
+++ b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
@@ -10,3 +10,6 @@ crate-type = ["cdylib"]
 [dependencies]
 pyroscope = {version = "0.5.2" }
 pyroscope_rbspy = { version = "0.2" }
+
+[patch.crates-io]
+read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
diff --git a/pyroscope_ffi/ruby/lib/pyroscope/version.rb b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
index 22e8cc02..3599a352 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope/version.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
@@ -1,3 +1,3 @@
 module Pyroscope
-  VERSION = '0.1.8'.freeze
+  VERSION = '0.1.9'.freeze
 end
diff --git a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
index 344fcd97..a79a1f4e 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
@@ -66,7 +66,7 @@ def tags_to_string(tags)
 
 # get thread id
 def thread_id
-  thread_id = Fiddle::Function.new($libm['thread_id'], [], Fiddle::TYPE_INT64_T)
+  thread_id = Fiddle::Function.new($libm['thread_id'], [], Fiddle::TYPE_LONG_LONG)
   thread_id.call
 end
 
diff --git a/pyroscope_ffi/ruby/pyroscope.gemspec b/pyroscope_ffi/ruby/pyroscope.gemspec
index f350327b..52bf7e3f 100644
--- a/pyroscope_ffi/ruby/pyroscope.gemspec
+++ b/pyroscope_ffi/ruby/pyroscope.gemspec
@@ -21,23 +21,13 @@ Gem::Specification.new do |s|
 
   s.platform = Gem::Platform::RUBY
 
-  s.required_ruby_version = ">= 2.7.0"
+  s.required_ruby_version = ">= 2.5.9"
 
   s.extensions = ['ext/rbspy/extconf.rb', 'ext/thread_id/extconf.rb']
 
-  s.add_dependency 'ffi', '~> 1.9'
-  s.add_dependency 'fiddle', '~> 1.1'
+  s.add_dependency 'ffi'
+  s.add_dependency 'fiddle'
 
   s.add_development_dependency 'bundler'
-  s.add_development_dependency 'github-release'
-  s.add_development_dependency 'guard-rspec'
   s.add_development_dependency 'rake', '~> 13.0'
-  s.add_development_dependency 'rake-compiler', '~> 1.2'
-  s.add_development_dependency 'rake-compiler-dock', '~> 1.2'
-  s.add_development_dependency 'rb-inotify', '~> 0.9'
-  s.add_development_dependency 'rb_sys', '~> 0.1'
-  s.add_development_dependency 'redcarpet'
-  s.add_development_dependency 'rspec'
-  s.add_development_dependency 'simplecov'
-  s.add_development_dependency 'yard'
 end

From d85d52cc692f3cd3eed49cc103c0d020dbfa9190 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 13 Jun 2022 19:48:27 +0000
Subject: [PATCH 02/31] wip: remove fiddle dependency

---
 pyroscope_ffi/ruby/lib/pyroscope_beta.rb | 13 +++++++------
 pyroscope_ffi/ruby/pyroscope.gemspec     |  1 -
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
index a79a1f4e..966a688b 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
@@ -1,8 +1,4 @@
 require 'ffi'
-require 'fiddle'
-
-$libm = Fiddle.dlopen(File.expand_path(File.dirname(__FILE__)) + "/thread_id/thread_id.#{RbConfig::CONFIG["DLEXT"]}")
-
 
 module Rust
   extend FFI::Library
@@ -13,6 +9,12 @@ module Rust
   attach_function :drop_agent, [], :bool
 end
 
+module Utils
+     extend FFI::Library
+     ffi_lib File.expand_path(File.dirname(__FILE__)) + "/thread_id/thread_id.#{RbConfig::CONFIG["DLEXT"]}"
+     attach_function :thread_id, [], :uint64
+end
+
 module Pyroscope
   Config = Struct.new(:application_name, :server_address, :sample_rate, :detect_subprocesses, :log_level, :tags) do
     def initialize(*)
@@ -66,8 +68,7 @@ def tags_to_string(tags)
 
 # get thread id
 def thread_id
-  thread_id = Fiddle::Function.new($libm['thread_id'], [], Fiddle::TYPE_LONG_LONG)
-  thread_id.call
+  return Utils.thread_id()
 end
 
 # add tags
diff --git a/pyroscope_ffi/ruby/pyroscope.gemspec b/pyroscope_ffi/ruby/pyroscope.gemspec
index 52bf7e3f..b7b8d736 100644
--- a/pyroscope_ffi/ruby/pyroscope.gemspec
+++ b/pyroscope_ffi/ruby/pyroscope.gemspec
@@ -26,7 +26,6 @@ Gem::Specification.new do |s|
   s.extensions = ['ext/rbspy/extconf.rb', 'ext/thread_id/extconf.rb']
 
   s.add_dependency 'ffi'
-  s.add_dependency 'fiddle'
 
   s.add_development_dependency 'bundler'
   s.add_development_dependency 'rake', '~> 13.0'

From 65c6f16d4be3f87dec1a7fe89f7d8232872cc9d5 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 13 Jun 2022 20:18:06 +0000
Subject: [PATCH 03/31] wip: add auth_token support

---
 pyroscope_ffi/ruby/ext/rbspy/Cargo.lock  | 18 +++++++++---------
 pyroscope_ffi/ruby/ext/rbspy/src/lib.rs  | 24 ++++++++++++++++++------
 pyroscope_ffi/ruby/lib/pyroscope_beta.rb |  6 ++++--
 3 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock b/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
index dbb0b4e1..4217a003 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
+++ b/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
@@ -204,9 +204,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.18"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
+checksum = "a836566fa5f52f7ddf909a8a2f9029b9f78ca584cd95cf7e87f8073110f4c5c9"
 dependencies = [
  "atty",
  "bitflags",
@@ -221,9 +221,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.1.18"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
+checksum = "986fd75d1dfd2c34eb8c9275ae38ad87ea9478c9b79e87f1801f7d866dfb1e37"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -234,9 +234,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
+checksum = "5538cd660450ebeb4234cfecf8f2284b844ffc4c50531e66d584ad5b91293613"
 dependencies = [
  "os_str_bytes",
 ]
@@ -708,7 +708,7 @@ checksum = "1a3cb215599901c8f491666421d44ffaed08d6872b4c7ced6f425683b951271e"
 dependencies = [
  "ahash",
  "atty",
- "clap 3.1.18",
+ "clap 3.2.1",
  "crossbeam-channel",
  "crossbeam-utils",
  "dashmap",
@@ -931,7 +931,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7d66043b25d4a6cccb23619d10c19c25304b355a7dccd4a8e11423dd2382146"
 dependencies = [
- "clap 3.1.18",
+ "clap 3.2.1",
  "rand 0.8.5",
 ]
 
@@ -1343,7 +1343,7 @@ checksum = "bcbebdf0037de5a92722b0bca2965ce0a76cd5c962225cf355e31ac668ea653f"
 dependencies = [
  "anyhow",
  "chrono",
- "clap 3.1.18",
+ "clap 3.2.1",
  "ctrlc",
  "directories",
  "elf",
diff --git a/pyroscope_ffi/ruby/ext/rbspy/src/lib.rs b/pyroscope_ffi/ruby/ext/rbspy/src/lib.rs
index 8f35b1be..d99495da 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/src/lib.rs
+++ b/pyroscope_ffi/ruby/ext/rbspy/src/lib.rs
@@ -36,17 +36,24 @@ fn signalpass() -> &'static SignalPass {
 
 #[no_mangle]
 pub extern "C" fn initialize_agent(
-    application_name: *const c_char, server_address: *const c_char, sample_rate: u32,
-    detect_subprocesses: bool, tags: *const c_char,
+    application_name: *const c_char, server_address: *const c_char, auth_token: *const c_char,
+    sample_rate: u32, detect_subprocesses: bool, tags: *const c_char,
 ) -> bool {
     let application_name = unsafe { CStr::from_ptr(application_name) }
         .to_str()
         .unwrap()
         .to_string();
+
     let server_address = unsafe { CStr::from_ptr(server_address) }
         .to_str()
         .unwrap()
         .to_string();
+
+    let auth_token = unsafe { CStr::from_ptr(auth_token) }
+        .to_str()
+        .unwrap()
+        .to_string();
+
     let tags_string = unsafe { CStr::from_ptr(tags) }
         .to_str()
         .unwrap()
@@ -65,11 +72,16 @@ pub extern "C" fn initialize_agent(
         let tags_ref = tags_string.as_str();
         let tags = string_to_tags(tags_ref);
         let rbspy = rbspy_backend(rbspy_config);
-        let agent = PyroscopeAgent::builder(server_address, application_name)
+
+        let mut agent_builder = PyroscopeAgent::builder(server_address, application_name)
             .backend(rbspy)
-            .tags(tags)
-            .build()
-            .unwrap();
+            .tags(tags);
+
+        if auth_token != "" {
+            agent_builder = agent_builder.auth_token(auth_token);
+        }
+
+        let agent = agent_builder.build().unwrap();
 
         let agent_running = agent.start().unwrap();
 
diff --git a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
index 966a688b..c00300c9 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope_beta.rb
@@ -3,7 +3,7 @@
 module Rust
   extend FFI::Library
   ffi_lib File.expand_path(File.dirname(__FILE__)) + "/rbspy/rbspy.#{RbConfig::CONFIG["DLEXT"]}"
-  attach_function :initialize_agent, [:string, :string, :int, :bool, :string], :bool
+  attach_function :initialize_agent, [:string, :string, :string, :int, :bool, :string], :bool
   attach_function :add_tag, [:uint64, :string, :string], :bool
   attach_function :remove_tag, [:uint64, :string, :string], :bool
   attach_function :drop_agent, [], :bool
@@ -16,11 +16,12 @@ module Utils
 end
 
 module Pyroscope
-  Config = Struct.new(:application_name, :server_address, :sample_rate, :detect_subprocesses, :log_level, :tags) do
+  Config = Struct.new(:application_name, :server_address, :auth_token, :sample_rate, :detect_subprocesses, :log_level, :tags) do
     def initialize(*)
       super
       self.application_name ||= ''
       self.server_address ||= 'http://localhost:4040'
+      self.auth_token ||= ''
       self.sample_rate ||= 100
       self.detect_subprocesses ||= true
       self.log_level ||= 'info'
@@ -38,6 +39,7 @@ def configure
       Rust.initialize_agent(
         @config.application_name,
         @config.server_address,
+        @config.auth_token,
         @config.sample_rate,
         @config.detect_subprocesses,
         tags_to_string(@config.tags)

From bdb93c4dded6f8cfee7d08a0ed43377d663997d2 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 13 Jun 2022 20:18:37 +0000
Subject: [PATCH 04/31] wip: version bump

---
 pyroscope_ffi/ruby/lib/pyroscope/version.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyroscope_ffi/ruby/lib/pyroscope/version.rb b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
index 3599a352..403e4304 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope/version.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
@@ -1,3 +1,3 @@
 module Pyroscope
-  VERSION = '0.1.9'.freeze
+  VERSION = '0.2.2'.freeze
 end

From e9c2b8c75113b227096a6e037c2e724f7bf505f8 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Thu, 16 Jun 2022 23:27:00 -0500
Subject: [PATCH 05/31] wip: remove Cargo.lock files

---
 pyroscope_ffi/ruby/ext/rbspy/Cargo.lock     | 2220 -------------------
 pyroscope_ffi/ruby/ext/thread_id/Cargo.lock |   16 -
 2 files changed, 2236 deletions(-)
 delete mode 100644 pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
 delete mode 100644 pyroscope_ffi/ruby/ext/thread_id/Cargo.lock

diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock b/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
deleted file mode 100644
index 4217a003..00000000
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.lock
+++ /dev/null
@@ -1,2220 +0,0 @@
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diff --git a/pyroscope_ffi/ruby/ext/thread_id/Cargo.lock b/pyroscope_ffi/ruby/ext/thread_id/Cargo.lock
deleted file mode 100644
index 0bc17746..00000000
--- a/pyroscope_ffi/ruby/ext/thread_id/Cargo.lock
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
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From d68275b6c4cd9e64704d4426f7b519c06b819cd5 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Fri, 17 Jun 2022 22:42:31 -0500
Subject: [PATCH 06/31] wip: add cbindgen for rbspy/thread_id extensions

---
 pyroscope_ffi/ruby/ext/rbspy/Cargo.toml       |  9 ++++++++
 pyroscope_ffi/ruby/ext/rbspy/build.rs         | 12 ++++++++++
 pyroscope_ffi/ruby/ext/rbspy/cbindgen.toml    | 22 +++++++++++++++++++
 pyroscope_ffi/ruby/ext/thread_id/Cargo.toml   |  9 ++++++++
 pyroscope_ffi/ruby/ext/thread_id/build.rs     | 12 ++++++++++
 .../ruby/ext/thread_id/cbindgen.toml          | 22 +++++++++++++++++++
 6 files changed, 86 insertions(+)
 create mode 100644 pyroscope_ffi/ruby/ext/rbspy/build.rs
 create mode 100644 pyroscope_ffi/ruby/ext/rbspy/cbindgen.toml
 create mode 100644 pyroscope_ffi/ruby/ext/thread_id/build.rs
 create mode 100644 pyroscope_ffi/ruby/ext/thread_id/cbindgen.toml

diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
index 1b776029..ad8721a1 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
+++ b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
@@ -13,3 +13,12 @@ pyroscope_rbspy = { version = "0.2" }
 
 [patch.crates-io]
 read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
+
+[build-dependencies]
+cbindgen = "0.20.0"
+
+[profile.release]
+opt-level= "z"
+debug = false
+lto = true
+codegen-units = 1
diff --git a/pyroscope_ffi/ruby/ext/rbspy/build.rs b/pyroscope_ffi/ruby/ext/rbspy/build.rs
new file mode 100644
index 00000000..2c2f6318
--- /dev/null
+++ b/pyroscope_ffi/ruby/ext/rbspy/build.rs
@@ -0,0 +1,12 @@
+extern crate cbindgen;
+
+use cbindgen::Config;
+
+fn main() {
+    let bindings = {
+        let crate_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+        let config = Config::from_file("cbindgen.toml").unwrap();
+        cbindgen::generate_with_config(&crate_dir, config).unwrap()
+    };
+    bindings.write_to_file("include/rbspy.h");
+}
diff --git a/pyroscope_ffi/ruby/ext/rbspy/cbindgen.toml b/pyroscope_ffi/ruby/ext/rbspy/cbindgen.toml
new file mode 100644
index 00000000..32a3caed
--- /dev/null
+++ b/pyroscope_ffi/ruby/ext/rbspy/cbindgen.toml
@@ -0,0 +1,22 @@
+# The language to output bindings in
+language = "C"
+documentation_style = "C"
+
+style = "type"
+
+# An optional name to use as an include guard
+include_guard = "RBSPY_H_"
+# include a comment with the version of cbindgen used to generate the file
+include_version = true
+
+# An optional string of text to output at the beginning of the generated file
+header = "/* Licensed under Apache-2.0 */"
+autogen_warning = "/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */"
+
+braces = "SameLine"
+tab_width = 2
+line_length = 80
+
+[parse]
+# Do not parse dependent crates
+parse_deps = false
diff --git a/pyroscope_ffi/ruby/ext/thread_id/Cargo.toml b/pyroscope_ffi/ruby/ext/thread_id/Cargo.toml
index a64a0149..b435669f 100644
--- a/pyroscope_ffi/ruby/ext/thread_id/Cargo.toml
+++ b/pyroscope_ffi/ruby/ext/thread_id/Cargo.toml
@@ -9,3 +9,12 @@ crate-type = ["cdylib"]
 
 [dependencies]
 libc = "*"
+
+[build-dependencies]
+cbindgen = "0.20.0"
+
+[profile.release]
+opt-level= "z"
+debug = false
+lto = true
+codegen-units = 1
diff --git a/pyroscope_ffi/ruby/ext/thread_id/build.rs b/pyroscope_ffi/ruby/ext/thread_id/build.rs
new file mode 100644
index 00000000..273d1392
--- /dev/null
+++ b/pyroscope_ffi/ruby/ext/thread_id/build.rs
@@ -0,0 +1,12 @@
+extern crate cbindgen;
+
+use cbindgen::Config;
+
+fn main() {
+    let bindings = {
+        let crate_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+        let config = Config::from_file("cbindgen.toml").unwrap();
+        cbindgen::generate_with_config(&crate_dir, config).unwrap()
+    };
+    bindings.write_to_file("include/thread_id.h");
+}
diff --git a/pyroscope_ffi/ruby/ext/thread_id/cbindgen.toml b/pyroscope_ffi/ruby/ext/thread_id/cbindgen.toml
new file mode 100644
index 00000000..32a3caed
--- /dev/null
+++ b/pyroscope_ffi/ruby/ext/thread_id/cbindgen.toml
@@ -0,0 +1,22 @@
+# The language to output bindings in
+language = "C"
+documentation_style = "C"
+
+style = "type"
+
+# An optional name to use as an include guard
+include_guard = "RBSPY_H_"
+# include a comment with the version of cbindgen used to generate the file
+include_version = true
+
+# An optional string of text to output at the beginning of the generated file
+header = "/* Licensed under Apache-2.0 */"
+autogen_warning = "/* Warning, this file is autogenerated by cbindgen. Don't modify this manually. */"
+
+braces = "SameLine"
+tab_width = 2
+line_length = 80
+
+[parse]
+# Do not parse dependent crates
+parse_deps = false

From 98d224629617af14041700aee65f7ac0a70a7314 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sat, 18 Jun 2022 00:26:42 -0500
Subject: [PATCH 07/31] wip: python wheels

---
 pyroscope_ffi/ruby/elflib/rbspy/manylinux.sh  | 23 ++++++++++
 .../ruby/elflib/rbspy/pyproject.toml          |  7 +++
 .../ruby/elflib/rbspy/rbspy/__init__.py       |  0
 pyroscope_ffi/ruby/elflib/rbspy/setup.cfg     | 22 +++++++++
 pyroscope_ffi/ruby/elflib/rbspy/setup.py      | 46 +++++++++++++++++++
 .../ruby/elflib/thread_id/manylinux.sh        | 23 ++++++++++
 .../ruby/elflib/thread_id/pyproject.toml      |  7 +++
 pyroscope_ffi/ruby/elflib/thread_id/setup.cfg | 22 +++++++++
 pyroscope_ffi/ruby/elflib/thread_id/setup.py  | 46 +++++++++++++++++++
 .../elflib/thread_id/thread_id/__init__.py    |  0
 10 files changed, 196 insertions(+)
 create mode 100644 pyroscope_ffi/ruby/elflib/rbspy/manylinux.sh
 create mode 100644 pyroscope_ffi/ruby/elflib/rbspy/pyproject.toml
 create mode 100644 pyroscope_ffi/ruby/elflib/rbspy/rbspy/__init__.py
 create mode 100644 pyroscope_ffi/ruby/elflib/rbspy/setup.cfg
 create mode 100644 pyroscope_ffi/ruby/elflib/rbspy/setup.py
 create mode 100644 pyroscope_ffi/ruby/elflib/thread_id/manylinux.sh
 create mode 100644 pyroscope_ffi/ruby/elflib/thread_id/pyproject.toml
 create mode 100644 pyroscope_ffi/ruby/elflib/thread_id/setup.cfg
 create mode 100644 pyroscope_ffi/ruby/elflib/thread_id/setup.py
 create mode 100644 pyroscope_ffi/ruby/elflib/thread_id/thread_id/__init__.py

diff --git a/pyroscope_ffi/ruby/elflib/rbspy/manylinux.sh b/pyroscope_ffi/ruby/elflib/rbspy/manylinux.sh
new file mode 100644
index 00000000..465a6ece
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/rbspy/manylinux.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -e
+
+# Install tooling
+#yum -y -q install wget gcc libffi-devel openssl-devel
+
+# Install Rust
+#curl https://sh.rustup.rs -sSf | sh -s -- -y
+#export PATH=~/.cargo/bin:$PATH
+
+# Build wheels
+#/opt/python/cp37-cp37m/bin/python setup.py bdist_wheel
+
+# Audit wheels
+#for wheel in dist/*.whl; do
+  #auditwheel repair $wheel -w dist/
+  #rm $wheel
+#done
+
+# Extract wheels
+for wheel in dist/*.whl; do
+    /opt/python/cp37-cp37m/bin/wheel unpack $wheel -d wheelhouse
+done
diff --git a/pyroscope_ffi/ruby/elflib/rbspy/pyproject.toml b/pyroscope_ffi/ruby/elflib/rbspy/pyproject.toml
new file mode 100644
index 00000000..c1b39a88
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/rbspy/pyproject.toml
@@ -0,0 +1,7 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+    "milksnakex>=0.1.6"
+]
+build-backend = "setuptools.build_meta"
diff --git a/pyroscope_ffi/ruby/elflib/rbspy/rbspy/__init__.py b/pyroscope_ffi/ruby/elflib/rbspy/rbspy/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/pyroscope_ffi/ruby/elflib/rbspy/setup.cfg b/pyroscope_ffi/ruby/elflib/rbspy/setup.cfg
new file mode 100644
index 00000000..2e9fa4ae
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/rbspy/setup.cfg
@@ -0,0 +1,22 @@
+[metadata]
+name = rbspy 
+version= 1.0.0
+description = Fake wheel to generate audtiwheel libs
+url = https://proscope.io
+maintainer = Abid Omar 
+maintainer_email = contact@pyroscope.io 
+license = Apache 2.0
+classifiers =
+    Intended Audience :: Developers
+project_urls =
+    Documentation = https://proscope.io
+    Bug Tracker = https://proscope.io
+    Discussions = https://proscope.io
+    Changelog = https://proscope.io
+
+[options]
+packages = find:
+install_requires =
+    milksnakex>=0.1.6
+include_package_data = True
+zip_safe = False
diff --git a/pyroscope_ffi/ruby/elflib/rbspy/setup.py b/pyroscope_ffi/ruby/elflib/rbspy/setup.py
new file mode 100644
index 00000000..acac0218
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/rbspy/setup.py
@@ -0,0 +1,46 @@
+import os
+import sys
+from setuptools import find_packages, setup
+from pathlib import Path
+
+SCRIPT_DIR = Path(__file__).resolve().parent
+
+os.chdir(SCRIPT_DIR)
+
+# print script_dir
+print(SCRIPT_DIR)
+
+LIB_DIR = str(SCRIPT_DIR / "../../ext/rbspy")
+
+def build_native(spec):
+    # Step 1: build the rust library
+    build = spec.add_external_build(
+        cmd=['cargo', 'build', '--release'],
+        path=LIB_DIR
+    )
+
+    def find_dylib():
+        cargo_target = os.environ.get('CARGO_BUILD_TARGET')
+        if cargo_target:
+            in_path = 'target/%s/release' % (cargo_target)
+        else:
+            in_path = 'target/release'
+        return build.find_dylib('rbspy', in_path=in_path)
+
+    # Step 2: package the compiled library
+    rtld_flags = ["NOW"]
+    if sys.platform == "darwin":
+        rtld_flags.append("NODELETE")
+
+    spec.add_cffi_module(module_path='rbspy._native',
+            dylib=find_dylib,
+            header_filename=lambda:
+            build.find_header('rbspy.h',in_path='include'),
+            rtld_flags=rtld_flags,
+    )
+
+setup(
+    platforms="any",
+    milksnake_tasks=[build_native],
+    setup_requires=["milksnakex>=0.1.6"],
+)
diff --git a/pyroscope_ffi/ruby/elflib/thread_id/manylinux.sh b/pyroscope_ffi/ruby/elflib/thread_id/manylinux.sh
new file mode 100644
index 00000000..465a6ece
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/thread_id/manylinux.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -e
+
+# Install tooling
+#yum -y -q install wget gcc libffi-devel openssl-devel
+
+# Install Rust
+#curl https://sh.rustup.rs -sSf | sh -s -- -y
+#export PATH=~/.cargo/bin:$PATH
+
+# Build wheels
+#/opt/python/cp37-cp37m/bin/python setup.py bdist_wheel
+
+# Audit wheels
+#for wheel in dist/*.whl; do
+  #auditwheel repair $wheel -w dist/
+  #rm $wheel
+#done
+
+# Extract wheels
+for wheel in dist/*.whl; do
+    /opt/python/cp37-cp37m/bin/wheel unpack $wheel -d wheelhouse
+done
diff --git a/pyroscope_ffi/ruby/elflib/thread_id/pyproject.toml b/pyroscope_ffi/ruby/elflib/thread_id/pyproject.toml
new file mode 100644
index 00000000..c1b39a88
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/thread_id/pyproject.toml
@@ -0,0 +1,7 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+    "milksnakex>=0.1.6"
+]
+build-backend = "setuptools.build_meta"
diff --git a/pyroscope_ffi/ruby/elflib/thread_id/setup.cfg b/pyroscope_ffi/ruby/elflib/thread_id/setup.cfg
new file mode 100644
index 00000000..b9bee016
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/thread_id/setup.cfg
@@ -0,0 +1,22 @@
+[metadata]
+name = thread_id 
+version= 1.0.0
+description = Fake wheel to generate audtiwheel libs
+url = https://proscope.io
+maintainer = Abid Omar 
+maintainer_email = contact@pyroscope.io 
+license = Apache 2.0
+classifiers =
+    Intended Audience :: Developers
+project_urls =
+    Documentation = https://proscope.io
+    Bug Tracker = https://proscope.io
+    Discussions = https://proscope.io
+    Changelog = https://proscope.io
+
+[options]
+packages = find:
+install_requires =
+    milksnakex>=0.1.6
+include_package_data = True
+zip_safe = False
diff --git a/pyroscope_ffi/ruby/elflib/thread_id/setup.py b/pyroscope_ffi/ruby/elflib/thread_id/setup.py
new file mode 100644
index 00000000..ce5c18c9
--- /dev/null
+++ b/pyroscope_ffi/ruby/elflib/thread_id/setup.py
@@ -0,0 +1,46 @@
+import os
+import sys
+from setuptools import find_packages, setup
+from pathlib import Path
+
+SCRIPT_DIR = Path(__file__).resolve().parent
+
+os.chdir(SCRIPT_DIR)
+
+# print script_dir
+print(SCRIPT_DIR)
+
+LIB_DIR = str(SCRIPT_DIR / "../../ext/thread_id")
+
+def build_native(spec):
+    # Step 1: build the rust library
+    build = spec.add_external_build(
+        cmd=['cargo', 'build', '--release'],
+        path=LIB_DIR
+    )
+
+    def find_dylib():
+        cargo_target = os.environ.get('CARGO_BUILD_TARGET')
+        if cargo_target:
+            in_path = 'target/%s/release' % (cargo_target)
+        else:
+            in_path = 'target/release'
+        return build.find_dylib('thread_id', in_path=in_path)
+
+    # Step 2: package the compiled library
+    rtld_flags = ["NOW"]
+    if sys.platform == "darwin":
+        rtld_flags.append("NODELETE")
+
+    spec.add_cffi_module(module_path='thread_id._native',
+            dylib=find_dylib,
+            header_filename=lambda:
+            build.find_header('thread_id.h',in_path='include'),
+            rtld_flags=rtld_flags,
+    )
+
+setup(
+    platforms="any",
+    milksnake_tasks=[build_native],
+    setup_requires=["milksnakex>=0.1.6"],
+)
diff --git a/pyroscope_ffi/ruby/elflib/thread_id/thread_id/__init__.py b/pyroscope_ffi/ruby/elflib/thread_id/thread_id/__init__.py
new file mode 100644
index 00000000..e69de29b

From e7781f7a0ea721da1fb1665c673d844b61611630 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sun, 19 Jun 2022 20:32:53 -0500
Subject: [PATCH 08/31] wip: minor modifications

---
 pyroscope_ffi/ruby/.gitignore               |  8 +++++++-
 pyroscope_ffi/ruby/Rakefile                 |  1 +
 pyroscope_ffi/ruby/lib/pyroscope/version.rb |  2 +-
 pyroscope_ffi/ruby/scripts/docker.sh        | 16 ++++++++++++++++
 4 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100755 pyroscope_ffi/ruby/scripts/docker.sh

diff --git a/pyroscope_ffi/ruby/.gitignore b/pyroscope_ffi/ruby/.gitignore
index e7cd07a0..cd91df73 100644
--- a/pyroscope_ffi/ruby/.gitignore
+++ b/pyroscope_ffi/ruby/.gitignore
@@ -1,7 +1,7 @@
 *.gem
 .DS_Store
 **/target
-*.so
+*.so*
 *.bundle
 Gemfile.lock
 /pkg
@@ -10,3 +10,9 @@ Gemfile.lock
 /tmp
 /vendor
 /.bundle
+.eggs
+ext/*/include
+elflib/*/build
+elflib/*/dist
+elflib/*/wheelhouse
+elflib/*/*egg-info
diff --git a/pyroscope_ffi/ruby/Rakefile b/pyroscope_ffi/ruby/Rakefile
index 4aff78c8..6f7393fe 100644
--- a/pyroscope_ffi/ruby/Rakefile
+++ b/pyroscope_ffi/ruby/Rakefile
@@ -55,6 +55,7 @@ namespace :x86_64_linux do
   spec = Bundler.load_gemspec('pyroscope.gemspec')
   spec.platform = 'x86_64-linux'
   spec.files += FileList['lib/rbspy/rbspy.*']
+  spec.files += FileList['lib/rbspy.libs/*']
   spec.files += FileList['lib/thread_id/thread_id.*']
   spec.extensions = []
 
diff --git a/pyroscope_ffi/ruby/lib/pyroscope/version.rb b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
index 403e4304..f098414d 100644
--- a/pyroscope_ffi/ruby/lib/pyroscope/version.rb
+++ b/pyroscope_ffi/ruby/lib/pyroscope/version.rb
@@ -1,3 +1,3 @@
 module Pyroscope
-  VERSION = '0.2.2'.freeze
+  VERSION = '0.2.3'.freeze
 end
diff --git a/pyroscope_ffi/ruby/scripts/docker.sh b/pyroscope_ffi/ruby/scripts/docker.sh
new file mode 100755
index 00000000..8c9e44e4
--- /dev/null
+++ b/pyroscope_ffi/ruby/scripts/docker.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+set -ex
+
+BUILD_DIR="/work"
+
+docker run \
+        -w /work/pyroscope_ffi/ruby/elflib/rbspy \
+        -v `pwd`:/work \
+        quay.io/pypa/${BUILD_ARCH} \
+        sh manylinux.sh
+
+docker run \
+        -w /work/pyroscope_ffi/ruby/elflib/thread_id \
+        -v `pwd`:/work \
+        quay.io/pypa/${BUILD_ARCH} \
+        sh manylinux.sh

From a2ebe18c8701889cfda453086f304f080fe87650 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 20 Jun 2022 22:56:13 -0500
Subject: [PATCH 09/31] wip: cargo patch

---
 Cargo.toml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index 01370421..fd027ec7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,6 +57,10 @@ names = "0.13.0"
 reqwest = { version = "0.11", features = ["blocking", "rustls-tls-native-roots"]}
 libc = "^0.2.124"
 
+#[patch.crates-io]
+#rbspy = {path = "../forks/rbspy"}
+#read-process-memory = {git = "https://github.com/omarabid/read-process-memorbgit", branch = "0.1.4-fix"}
+
 [dev-dependencies]
 tokio = { version = "1.18", features = ["full"] }
 pretty_env_logger = "0.4.0"

From bdecaa13aeae3ce7d4c3d97f88bdd104ec35e7c5 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Tue, 21 Jun 2022 01:01:36 -0500
Subject: [PATCH 10/31] fix(lib): fixed an obsecure bug when counting
 stacktraces

---
 pyroscope_backends/pyroscope_rbspy/src/lib.rs | 7 ++-----
 src/backend/types.rs                          | 2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/pyroscope_backends/pyroscope_rbspy/src/lib.rs b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
index 24912fbd..cf51a0f4 100644
--- a/pyroscope_backends/pyroscope_rbspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
@@ -234,13 +234,10 @@ impl Backend for Rbspy {
     }
 
     fn report(&mut self) -> Result<Vec<Report>> {
-        // Get an Arc reference to the Report Buffer
-        let buffer = self.buffer.clone();
-
-        let v8: StackBuffer = buffer.lock()?.deref().to_owned();
+        let v8: StackBuffer = self.buffer.lock()?.deref().to_owned();
         let reports: Vec<Report> = v8.into();
 
-        buffer.lock()?.clear();
+        self.buffer.lock()?.clear();
 
         // Return the writer's buffer
         Ok(reports)
diff --git a/src/backend/types.rs b/src/backend/types.rs
index d3c56e10..9baa1b6c 100644
--- a/src/backend/types.rs
+++ b/src/backend/types.rs
@@ -82,7 +82,7 @@ impl From<StackBuffer> for Vec<Report> {
                         // set the metadata of the report, from the stacktrace own metadata.
                         let mut report = report.metadata(stacktrace.metadata.clone());
                         // record the stacktrace. The count should be 1.
-                        report.record(stacktrace)?;
+                        report.record_with_count(stacktrace, count)?;
                         // add the report to the accumulator.
                         acc.insert(report_id, report);
                     }

From bd44e0a4582c6f4cadde165ae9dbc1ee641898d1 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Tue, 21 Jun 2022 20:53:24 -0500
Subject: [PATCH 11/31] wip: rbspy backend with patched oncpu

---
 Cargo.toml                                    | 6 +++---
 pyroscope_backends/pyroscope_rbspy/src/lib.rs | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index fd027ec7..4b5ac82e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,9 +57,9 @@ names = "0.13.0"
 reqwest = { version = "0.11", features = ["blocking", "rustls-tls-native-roots"]}
 libc = "^0.2.124"
 
-#[patch.crates-io]
-#rbspy = {path = "../forks/rbspy"}
-#read-process-memory = {git = "https://github.com/omarabid/read-process-memorbgit", branch = "0.1.4-fix"}
+[patch.crates-io]
+rbspy = {path = "../forks/rbspy"}
+read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
 
 [dev-dependencies]
 tokio = { version = "1.18", features = ["full"] }
diff --git a/pyroscope_backends/pyroscope_rbspy/src/lib.rs b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
index cf51a0f4..2bd5df5f 100644
--- a/pyroscope_backends/pyroscope_rbspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
@@ -167,6 +167,7 @@ impl Backend for Rbspy {
             self.config.time_limit,
             self.config.with_subprocesses,
             None,
+            false,
         ));
 
         // Channel for Errors generated by the RubySpy Sampler

From 1a2e6f1d932fbd100d0a7053c75ff27a54865083 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Tue, 21 Jun 2022 21:23:12 -0500
Subject: [PATCH 12/31] wip: add oncpu/native/gil_only options

---
 pyroscope_ffi/python/lib/include/pyroscope_ffi.h | 3 +++
 pyroscope_ffi/python/lib/src/lib.rs              | 7 +++++--
 pyroscope_ffi/python/pyroscope_beta/__init__.py  | 8 ++++++--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/pyroscope_ffi/python/lib/include/pyroscope_ffi.h b/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
index 4ec62f23..5194bce8 100644
--- a/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
+++ b/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
@@ -16,6 +16,9 @@ bool initialize_agent(const char *application_name,
                       const char *server_address,
                       uint32_t sample_rate,
                       bool detect_subprocesses,
+                      bool oncpu,
+                      bool native,
+                      bool gil_only,
                       const char *tags);
 
 bool drop_agent(void);
diff --git a/pyroscope_ffi/python/lib/src/lib.rs b/pyroscope_ffi/python/lib/src/lib.rs
index 30bdbfd1..0fe52624 100644
--- a/pyroscope_ffi/python/lib/src/lib.rs
+++ b/pyroscope_ffi/python/lib/src/lib.rs
@@ -39,7 +39,7 @@ fn signalpass() -> &'static SignalPass {
 #[no_mangle]
 pub extern "C" fn initialize_agent(
     application_name: *const c_char, server_address: *const c_char, sample_rate: u32,
-    detect_subprocesses: bool, tags: *const c_char,
+    detect_subprocesses: bool, oncpu: bool, native: bool, gil_only: bool, tags: *const c_char,
 ) -> bool {
     let application_name = unsafe { CStr::from_ptr(application_name) }
         .to_str()
@@ -58,7 +58,10 @@ pub extern "C" fn initialize_agent(
         let pyspy_config = PyspyConfig::new(pid.try_into().unwrap())
             .sample_rate(sample_rate)
             .lock_process(false)
-            .with_subprocesses(detect_subprocesses);
+            .with_subprocesses(detect_subprocesses)
+            .include_idle(!oncpu)
+            .native(native)
+            .gil_only(gil_only);
 
         let tags_ref = tags_string.as_str();
         let tags = string_to_tags(tags_ref);
diff --git a/pyroscope_ffi/python/pyroscope_beta/__init__.py b/pyroscope_ffi/python/pyroscope_beta/__init__.py
index 5b2043ca..e5ebe3f9 100644
--- a/pyroscope_ffi/python/pyroscope_beta/__init__.py
+++ b/pyroscope_ffi/python/pyroscope_beta/__init__.py
@@ -3,11 +3,15 @@
 from pyroscope_beta._native import ffi, lib
 from contextlib import contextmanager
 
-Config = namedtuple('Config', ('application_name', 'server_address', 'sample_rate', 'detect_subprocesses', 'log_level'))
+Config = namedtuple('Config', ('application_name', 'server_address',
+'sample_rate', 'detect_subprocesses','oncpu', 'native', 'gil_only', 'log_level'))
 
-def configure(application_name=None, server_address="http://localhost:4040", sample_rate=100, detect_subprocesses=False, log_level="info", tags=None): 
+def configure(application_name=None, server_address="http://localhost:4040",
+sample_rate=100, detect_subprocesses=False, oncpu=False, native=False,
+gil_only=False, log_level="info", tags=None): 
     lib.initialize_agent(application_name.encode("UTF-8"),
             server_address.encode("UTF-8"), sample_rate, detect_subprocesses,
+            oncpu, native, gil_only,
             tags_to_string(tags).encode("UTF-8"))
 
 def add_thread_tag(thread_id, key, value):

From 4a1e1df77dba9323269308692d449ea0b9366ea7 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Wed, 22 Jun 2022 00:48:56 -0500
Subject: [PATCH 13/31] wip(python): add auth_token support

---
 .../python/lib/include/pyroscope_ffi.h        |  1 +
 pyroscope_ffi/python/lib/src/lib.rs           | 21 +++++++++++++------
 .../python/pyroscope_beta/__init__.py         |  9 +++-----
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/pyroscope_ffi/python/lib/include/pyroscope_ffi.h b/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
index 5194bce8..0b85af22 100644
--- a/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
+++ b/pyroscope_ffi/python/lib/include/pyroscope_ffi.h
@@ -14,6 +14,7 @@
 
 bool initialize_agent(const char *application_name,
                       const char *server_address,
+                      const char *auth_token,
                       uint32_t sample_rate,
                       bool detect_subprocesses,
                       bool oncpu,
diff --git a/pyroscope_ffi/python/lib/src/lib.rs b/pyroscope_ffi/python/lib/src/lib.rs
index 0fe52624..506437a2 100644
--- a/pyroscope_ffi/python/lib/src/lib.rs
+++ b/pyroscope_ffi/python/lib/src/lib.rs
@@ -38,8 +38,9 @@ fn signalpass() -> &'static SignalPass {
 
 #[no_mangle]
 pub extern "C" fn initialize_agent(
-    application_name: *const c_char, server_address: *const c_char, sample_rate: u32,
-    detect_subprocesses: bool, oncpu: bool, native: bool, gil_only: bool, tags: *const c_char,
+    application_name: *const c_char, server_address: *const c_char, auth_token: *const c_char,
+    sample_rate: u32, detect_subprocesses: bool, oncpu: bool, native: bool, gil_only: bool,
+    tags: *const c_char,
 ) -> bool {
     let application_name = unsafe { CStr::from_ptr(application_name) }
         .to_str()
@@ -49,6 +50,10 @@ pub extern "C" fn initialize_agent(
         .to_str()
         .unwrap()
         .to_string();
+    let auth_token = unsafe { CStr::from_ptr(auth_token) }
+        .to_str()
+        .unwrap()
+        .to_string();
     let tags_string = unsafe { CStr::from_ptr(tags) }
         .to_str()
         .unwrap()
@@ -66,11 +71,15 @@ pub extern "C" fn initialize_agent(
         let tags_ref = tags_string.as_str();
         let tags = string_to_tags(tags_ref);
         let pyspy = pyspy_backend(pyspy_config);
-        let agent = PyroscopeAgent::builder(server_address, application_name)
+        let mut agent_builder = PyroscopeAgent::builder(server_address, application_name)
             .backend(pyspy)
-            .tags(tags)
-            .build()
-            .unwrap();
+            .tags(tags);
+
+        if auth_token != "" {
+            agent_builder = agent_builder.auth_token(auth_token);
+        }
+
+        let agent = agent_builder.build().unwrap();
 
         let agent_running = agent.start().unwrap();
 
diff --git a/pyroscope_ffi/python/pyroscope_beta/__init__.py b/pyroscope_ffi/python/pyroscope_beta/__init__.py
index e5ebe3f9..a7405e82 100644
--- a/pyroscope_ffi/python/pyroscope_beta/__init__.py
+++ b/pyroscope_ffi/python/pyroscope_beta/__init__.py
@@ -3,14 +3,11 @@
 from pyroscope_beta._native import ffi, lib
 from contextlib import contextmanager
 
-Config = namedtuple('Config', ('application_name', 'server_address',
-'sample_rate', 'detect_subprocesses','oncpu', 'native', 'gil_only', 'log_level'))
+Config = namedtuple('Config', ('application_name', 'server_address', 'auth_token', 'sample_rate', 'detect_subprocesses','oncpu', 'native', 'gil_only', 'log_level'))
 
-def configure(application_name=None, server_address="http://localhost:4040",
-sample_rate=100, detect_subprocesses=False, oncpu=False, native=False,
-gil_only=False, log_level="info", tags=None): 
+def configure(application_name=None, server_address="http://localhost:4040", auth_token = "", sample_rate=100, detect_subprocesses=False, oncpu=False, native=False, gil_only=False, log_level="info", tags=None): 
     lib.initialize_agent(application_name.encode("UTF-8"),
-            server_address.encode("UTF-8"), sample_rate, detect_subprocesses,
+            server_address.encode("UTF-8"), auth_token.encode("UTF-8"), sample_rate, detect_subprocesses,
             oncpu, native, gil_only,
             tags_to_string(tags).encode("UTF-8"))
 

From c3fb878846b02f7774299b1655a98bb5662b9767 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Wed, 22 Jun 2022 03:06:31 -0500
Subject: [PATCH 14/31] wip(python): name change

---
 pyroscope_ffi/python/README.md                    | 15 ++++++++-------
 .../{pyroscope_beta => pyroscope}/__init__.py     |  2 +-
 pyroscope_ffi/python/setup.cfg                    |  4 ++--
 pyroscope_ffi/python/setup.py                     |  2 +-
 4 files changed, 12 insertions(+), 11 deletions(-)
 rename pyroscope_ffi/python/{pyroscope_beta => pyroscope}/__init__.py (97%)

diff --git a/pyroscope_ffi/python/README.md b/pyroscope_ffi/python/README.md
index 2583d967..c5f9d868 100644
--- a/pyroscope_ffi/python/README.md
+++ b/pyroscope_ffi/python/README.md
@@ -1,8 +1,9 @@
-Pyroscope Python Integration --Beta--
-=====================================
+Pyroscope Python Integration
+============================
 
-**note**: This is a beta release. It requires local compilation, might be
-buggy and is frequently updated. For the initial implementation, find it [here](https://github.com/pyroscope-io/pyroscope-python). Please report any [issues](https://github.com/pyroscope-io/pyroscope-rs/issues).
+**note**: This is an early release. It might require local compilation, might be
+buggy and will be frequently updated. For the initial implementation, revert
+to version 2.x.
 
 ## Installation
 
@@ -39,9 +40,9 @@ make install
 Configuration is similar to the old package except for `application_name`:
 
 ```
-import pyroscope_beta
+import pyroscope
 
-pyroscope_beta.configure(
+pyroscope.configure(
   application_name       = "python.app",
   server_address         = "http://localhost:4040",
 
@@ -56,6 +57,6 @@ pyroscope_beta.configure(
 Tags passed to configure are global. To tag code locally, you can use:
 
 ```
-with pyroscope_beta.tag_wrapper({ "profile": "profile-1" }):
+with pyroscope.tag_wrapper({ "profile": "profile-1" }):
     // Tagged profile
 ```
diff --git a/pyroscope_ffi/python/pyroscope_beta/__init__.py b/pyroscope_ffi/python/pyroscope/__init__.py
similarity index 97%
rename from pyroscope_ffi/python/pyroscope_beta/__init__.py
rename to pyroscope_ffi/python/pyroscope/__init__.py
index a7405e82..908e0773 100644
--- a/pyroscope_ffi/python/pyroscope_beta/__init__.py
+++ b/pyroscope_ffi/python/pyroscope/__init__.py
@@ -1,6 +1,6 @@
 import threading
 from collections import namedtuple
-from pyroscope_beta._native import ffi, lib
+from pyroscope._native import ffi, lib
 from contextlib import contextmanager
 
 Config = namedtuple('Config', ('application_name', 'server_address', 'auth_token', 'sample_rate', 'detect_subprocesses','oncpu', 'native', 'gil_only', 'log_level'))
diff --git a/pyroscope_ffi/python/setup.cfg b/pyroscope_ffi/python/setup.cfg
index 4661dcf5..91243fe6 100644
--- a/pyroscope_ffi/python/setup.cfg
+++ b/pyroscope_ffi/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
-name = pyroscope_beta
-version= 0.3.1
+name = pyroscope-io
+version= 0.3.0
 description = Pyroscope Python integration
 long_description = file: README.md
 long_description_content_type = text/markdown
diff --git a/pyroscope_ffi/python/setup.py b/pyroscope_ffi/python/setup.py
index a19f8293..aff34276 100644
--- a/pyroscope_ffi/python/setup.py
+++ b/pyroscope_ffi/python/setup.py
@@ -27,7 +27,7 @@ def find_dylib():
     if sys.platform == "darwin":
         rtld_flags.append("NODELETE")
 
-    spec.add_cffi_module(module_path='pyroscope_beta._native',
+    spec.add_cffi_module(module_path='pyroscope._native',
             dylib=find_dylib,
             header_filename=lambda:
             build.find_header('pyroscope_ffi.h',in_path='include'),

From ccdf167439838bd6ffd7defb1113001666d7896b Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Wed, 22 Jun 2022 10:10:32 -0500
Subject: [PATCH 15/31] wip(python): bump version

---
 pyroscope_ffi/python/setup.cfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyroscope_ffi/python/setup.cfg b/pyroscope_ffi/python/setup.cfg
index 91243fe6..fca44260 100644
--- a/pyroscope_ffi/python/setup.cfg
+++ b/pyroscope_ffi/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pyroscope-io
-version= 0.3.0
+version= 0.7.0
 description = Pyroscope Python integration
 long_description = file: README.md
 long_description_content_type = text/markdown

From 0a154525aeb2ca595c2d96eafa3faf008fac9dfd Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Fri, 24 Jun 2022 00:51:32 -0500
Subject: [PATCH 16/31] fix(pyspy): add read-process-memory patched crate

---
 pyroscope_ffi/python/lib/Cargo.toml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pyroscope_ffi/python/lib/Cargo.toml b/pyroscope_ffi/python/lib/Cargo.toml
index c89a61ef..71a5500a 100644
--- a/pyroscope_ffi/python/lib/Cargo.toml
+++ b/pyroscope_ffi/python/lib/Cargo.toml
@@ -11,6 +11,9 @@ crate-type = ["cdylib"]
 pyroscope = { version = "0.5.2" }
 pyroscope_pyspy = { version = "0.2.2" }
 
+[patch.crates-io]
+read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
+
 [build-dependencies]
 cbindgen = "0.20.0"
 

From 353a51e7cb9d8bcfba6fa3386f220a83d22f7914 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Fri, 24 Jun 2022 21:02:51 -0500
Subject: [PATCH 17/31] wip: stash

---
 pyroscope_backends/pyroscope_rbspy/src/lib.rs | 1 +
 pyroscope_ffi/ruby/ext/rbspy/Cargo.toml       | 7 +++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pyroscope_backends/pyroscope_rbspy/src/lib.rs b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
index 24912fbd..e4c52a01 100644
--- a/pyroscope_backends/pyroscope_rbspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
@@ -167,6 +167,7 @@ impl Backend for Rbspy {
             self.config.time_limit,
             self.config.with_subprocesses,
             None,
+            true,
         ));
 
         // Channel for Errors generated by the RubySpy Sampler
diff --git a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
index ad8721a1..f9f49dfa 100644
--- a/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
+++ b/pyroscope_ffi/ruby/ext/rbspy/Cargo.toml
@@ -8,11 +8,14 @@ name = "rbspy"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyroscope = {version = "0.5.2" }
-pyroscope_rbspy = { version = "0.2" }
+#pyroscope = {version = "0.5.2" }
+pyroscope = { path = "../../../../" }
+#pyroscope_rbspy = { version = "0.2" }
+pyroscope_rbspy = { path = "../../../../pyroscope_backends/pyroscope_rbspy" }
 
 [patch.crates-io]
 read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
+rbspy = {git="https://github.com/omarabid/rbspy.git", branch="oncpu-fix"}
 
 [build-dependencies]
 cbindgen = "0.20.0"

From c8770410447d6d9bfd51952a83f93aaef50a66d3 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Fri, 24 Jun 2022 23:28:50 -0500
Subject: [PATCH 18/31] imp(backend): add Backend extension to application_name

---
 src/backend/backend.rs | 11 +++++++++++
 src/backend/void.rs    |  5 +++++
 src/pyroscope.rs       | 11 ++++++++++-
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/backend/backend.rs b/src/backend/backend.rs
index 7f4c98f2..2445ae2a 100644
--- a/src/backend/backend.rs
+++ b/src/backend/backend.rs
@@ -15,6 +15,8 @@ use super::Report;
 pub trait Backend: Send + Debug {
     /// Backend Spy Name
     fn spy_name(&self) -> Result<String>;
+    /// Backend name extension
+    fn spy_extension(&self) -> Result<Option<String>>;
     /// Get backend configuration.
     fn sample_rate(&self) -> Result<u32>;
     /// Initialize the backend.
@@ -102,6 +104,15 @@ impl<S: BackendAccessible> BackendImpl<S> {
             .spy_name()
     }
 
+    /// Return the backend extension
+    pub fn spy_extension(&self) -> Result<Option<String>> {
+        self.backend
+            .lock()?
+            .as_ref()
+            .ok_or(PyroscopeError::BackendImpl)?
+            .spy_extension()
+    }
+
     /// Return the backend sample rate
     pub fn sample_rate(&self) -> Result<u32> {
         self.backend
diff --git a/src/backend/void.rs b/src/backend/void.rs
index 97d0194f..ff8d4f34 100644
--- a/src/backend/void.rs
+++ b/src/backend/void.rs
@@ -73,6 +73,11 @@ impl Backend for VoidBackend {
         Ok("void".to_string())
     }
 
+    /// Return the Backend extension.
+    fn spy_extension(&self) -> Result<Option<String>> {
+        Ok(Some("void".to_string()))
+    }
+
     /// Return the set sample rate.
     fn sample_rate(&self) -> Result<u32> {
         Ok(self.config.sample_rate)
diff --git a/src/pyroscope.rs b/src/pyroscope.rs
index 45f9afff..239fe0d6 100644
--- a/src/pyroscope.rs
+++ b/src/pyroscope.rs
@@ -262,10 +262,19 @@ impl PyroscopeAgentBuilder {
     /// state. While you can call this method, you should call it through the
     /// `PyroscopeAgent.build()` method.
     pub fn build(self) -> Result<PyroscopeAgent<PyroscopeAgentReady>> {
-        // Set Spy Name and Sample Rate from the Backend
+        // Set Spy Name, Spy Extension and Sample Rate from the Backend
         let config = self.config.sample_rate(self.backend.sample_rate()?);
         let config = config.spy_name(self.backend.spy_name()?);
 
+        // use match instead of if let to avoid the need to borrow
+        let config = match self.backend.spy_extension()? {
+            Some(extension) => {
+                let application_name = config.application_name.clone();
+                config.application_name(format!("{}.{}", application_name, extension))
+            }
+            None => config,
+        };
+
         // Set Global Tags
         for (key, value) in config.tags.iter() {
             self.backend

From e8a0274f0a8bc3d05ebadd47481dcc3dad5e8437 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sat, 25 Jun 2022 01:35:33 -0500
Subject: [PATCH 19/31] imp(backend): add BackendConfig

---
 src/backend/backend.rs | 47 +++++++++++++++++++++++++++++++++++++++++-
 src/backend/types.rs   |  6 ++++--
 src/backend/void.rs    | 26 ++++++++++++++++++-----
 3 files changed, 71 insertions(+), 8 deletions(-)

diff --git a/src/backend/backend.rs b/src/backend/backend.rs
index 2445ae2a..883db24e 100644
--- a/src/backend/backend.rs
+++ b/src/backend/backend.rs
@@ -11,6 +11,25 @@ use std::{
 
 use super::Report;
 
+/// Backend Config
+pub struct BackendConfig {
+    pub report_thread_id: bool,
+    pub report_thread_name: bool,
+    pub report_pid: bool,
+    pub report_oncpu: bool,
+}
+
+impl Default for BackendConfig {
+    fn default() -> Self {
+        Self {
+            report_thread_id: false,
+            report_thread_name: false,
+            report_pid: false,
+            report_oncpu: false,
+        }
+    }
+}
+
 /// Backend Trait
 pub trait Backend: Send + Debug {
     /// Backend Spy Name
@@ -29,6 +48,10 @@ pub trait Backend: Send + Debug {
     fn add_rule(&self, ruleset: Rule) -> Result<()>;
     /// Remove a report-splitting rule from the backend.
     fn remove_rule(&self, ruleset: Rule) -> Result<()>;
+    /// Set the backend's configuration.
+    fn set_config(&self, config: BackendConfig) -> Result<()>;
+    /// Get the backend's configuration.
+    fn get_config(&self) -> Result<BackendConfig>;
 }
 
 /// Marker struct for Empty BackendImpl
@@ -69,7 +92,17 @@ pub struct BackendImpl<S: BackendState + ?Sized> {
 
 impl BackendImpl<BackendBare> {
     /// Create a new BackendImpl instance
-    pub fn new(backend_box: Box<dyn Backend>) -> BackendImpl<BackendUninitialized> {
+    pub fn new(
+        backend_box: Box<dyn Backend>, config: Option<BackendConfig>,
+    ) -> BackendImpl<BackendUninitialized> {
+        // Set the backend's configuration if it exists.
+        if let Some(config) = config {
+            backend_box.set_config(config);
+        } else {
+            backend_box.set_config(BackendConfig::default());
+        }
+
+        // Transition to BackendUninitialized
         BackendImpl {
             backend: Arc::new(Mutex::new(Some(backend_box))),
             _state: std::marker::PhantomData,
@@ -81,12 +114,15 @@ impl BackendImpl<BackendUninitialized> {
     /// Initialize the backend
     pub fn initialize(self) -> Result<BackendImpl<BackendReady>> {
         let backend = self.backend.clone();
+
+        // Initialize the backend
         backend
             .lock()?
             .as_mut()
             .ok_or(PyroscopeError::BackendImpl)?
             .initialize()?;
 
+        // Transition to BackendReady
         Ok(BackendImpl {
             backend,
             _state: std::marker::PhantomData,
@@ -122,6 +158,15 @@ impl<S: BackendAccessible> BackendImpl<S> {
             .sample_rate()
     }
 
+    /// Return the backend configuration
+    pub fn get_config(&self) -> Result<BackendConfig> {
+        self.backend
+            .lock()?
+            .as_ref()
+            .ok_or(PyroscopeError::BackendImpl)?
+            .get_config()
+    }
+
     /// Add a report-splitting rule to the backend
     pub fn add_rule(&self, rule: Rule) -> Result<()> {
         self.backend
diff --git a/src/backend/types.rs b/src/backend/types.rs
index d3c56e10..107abb8e 100644
--- a/src/backend/types.rs
+++ b/src/backend/types.rs
@@ -5,6 +5,8 @@ use std::{
 
 use crate::error::Result;
 
+use super::BackendConfig;
+
 /// Pyroscope Tag
 #[derive(Debug, PartialOrd, Ord, Eq, PartialEq, Hash, Clone)]
 pub struct Tag {
@@ -220,8 +222,8 @@ impl std::fmt::Display for StackTrace {
 impl StackTrace {
     /// Create a new StackTrace
     pub fn new(
-        pid: Option<u32>, thread_id: Option<u64>, thread_name: Option<String>,
-        frames: Vec<StackFrame>,
+        config: BackendConfig, pid: Option<u32>, thread_id: Option<u64>,
+        thread_name: Option<String>, frames: Vec<StackFrame>,
     ) -> Self {
         // Set StackTrace specific tags
         let mut metadata = Metadata::default();
diff --git a/src/backend/void.rs b/src/backend/void.rs
index ff8d4f34..a4b319ce 100644
--- a/src/backend/void.rs
+++ b/src/backend/void.rs
@@ -1,6 +1,6 @@
 use super::{
-    Backend, BackendImpl, BackendUninitialized, Report, Rule, Ruleset, StackBuffer, StackFrame,
-    StackTrace,
+    Backend, BackendConfig, BackendImpl, BackendUninitialized, Report, Rule, Ruleset, StackBuffer,
+    StackFrame, StackTrace,
 };
 use crate::error::Result;
 
@@ -14,9 +14,15 @@ fn generate_stack_trace() -> Result<Vec<StackTrace>> {
         None,
         Some(0),
     )];
-    let stack_trace_1 = StackTrace::new(None, Some(1), None, frames.clone());
+    let stack_trace_1 = StackTrace::new(
+        BackendConfig::default(),
+        None,
+        Some(1),
+        None,
+        frames.clone(),
+    );
 
-    let stack_trace_2 = StackTrace::new(None, Some(2), None, frames);
+    let stack_trace_2 = StackTrace::new(BackendConfig::default(), None, Some(2), None, frames);
 
     Ok(vec![stack_trace_1, stack_trace_2])
 }
@@ -109,6 +115,16 @@ impl Backend for VoidBackend {
         Ok(reports)
     }
 
+    /// Set the configuration.
+    fn set_config(&self, config: BackendConfig) -> Result<()> {
+        Ok(())
+    }
+
+    /// Return the configuration.
+    fn get_config(&self) -> Result<BackendConfig> {
+        Ok(BackendConfig::default())
+    }
+
     /// Add a Rule to the Backend.
     fn add_rule(&self, rule: Rule) -> Result<()> {
         self.ruleset.add_rule(rule)?;
@@ -126,5 +142,5 @@ impl Backend for VoidBackend {
 
 /// A Backend implementation for testing purposes.
 pub fn void_backend(config: VoidConfig) -> BackendImpl<BackendUninitialized> {
-    BackendImpl::new(Box::new(VoidBackend::new(config)))
+    BackendImpl::new(Box::new(VoidBackend::new(config)), None)
 }

From 84030428520c3c04f91ccb4898feb19a46e84c6e Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sun, 26 Jun 2022 00:08:03 -0500
Subject: [PATCH 20/31] imp(pprof): implement BackendConfig for pprof-rs and
 add example

---
 examples/multi-thread-report.rs               | 128 ++++++++++++++++++
 .../pyroscope_pprofrs/src/lib.rs              | 101 +++++++++-----
 src/backend/backend.rs                        |   3 +-
 src/backend/types.rs                          |  20 ++-
 src/backend/void.rs                           |   8 +-
 5 files changed, 211 insertions(+), 49 deletions(-)
 create mode 100644 examples/multi-thread-report.rs

diff --git a/examples/multi-thread-report.rs b/examples/multi-thread-report.rs
new file mode 100644
index 00000000..6dfd77b7
--- /dev/null
+++ b/examples/multi-thread-report.rs
@@ -0,0 +1,128 @@
+extern crate pyroscope;
+
+use pyroscope::{PyroscopeAgent, Result};
+use pyroscope_pprofrs::{pprof_backend, PprofConfig};
+use std::{
+    collections::hash_map::DefaultHasher,
+    hash::{Hash, Hasher},
+    thread,
+};
+
+fn hash_rounds1(n: u64) -> u64 {
+    let hash_str = "Some string to hash";
+    let mut default_hasher = DefaultHasher::new();
+
+    for _ in 0..n {
+        for _ in 0..1000 {
+            default_hasher.write(hash_str.as_bytes());
+        }
+        hash_str.hash(&mut default_hasher);
+    }
+
+    n
+}
+
+fn hash_rounds2(n: u64) -> u64 {
+    let hash_str = "Some string to hash";
+    let mut default_hasher = DefaultHasher::new();
+
+    for _ in 0..n {
+        for _ in 0..1000 {
+            default_hasher.write(hash_str.as_bytes());
+        }
+        hash_str.hash(&mut default_hasher);
+    }
+
+    n
+}
+
+fn extra_rounds1(n: u64) -> u64 {
+    let hash_str = "Some string to hash";
+    let mut default_hasher = DefaultHasher::new();
+
+    for _ in 0..n {
+        for _ in 0..1000 {
+            default_hasher.write(hash_str.as_bytes());
+        }
+        hash_str.hash(&mut default_hasher);
+    }
+
+    n
+}
+
+fn extra_rounds2(n: u64) -> u64 {
+    let hash_str = "Some string to hash";
+    let mut default_hasher = DefaultHasher::new();
+
+    for _ in 0..n {
+        for _ in 0..1000 {
+            default_hasher.write(hash_str.as_bytes());
+        }
+        hash_str.hash(&mut default_hasher);
+    }
+
+    n
+}
+
+fn main() -> Result<()> {
+    let agent = PyroscopeAgent::builder("http://localhost:4040", "example.multithread.report")
+        .tags([("Host", "Rust")].to_vec())
+        .backend(pprof_backend(
+            PprofConfig::new()
+                .sample_rate(100)
+                .report_thread_id()
+                .report_thread_name(),
+        ))
+        .build()?;
+
+    // Show start time
+    let start = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap()
+        .as_secs();
+    println!("Start Time: {}", start);
+
+    // Start Agent
+    let agent_running = agent.start()?;
+
+    let (add_tag, remove_tag) = agent_running.tag_wrapper();
+
+    let handle_1 = thread::Builder::new()
+        .name("thread-1".to_string())
+        .spawn(move || {
+            hash_rounds1(300_000);
+            add_tag("extra".to_string(), "round-1".to_string()).unwrap();
+            extra_rounds1(200_000);
+            remove_tag("extra".to_string(), "round-1".to_string()).unwrap();
+        })?;
+
+    let (add_tag, remove_tag) = agent_running.tag_wrapper();
+
+    let handle_2 = thread::Builder::new()
+        .name("thread-2".to_string())
+        .spawn(move || {
+            add_tag("extra".to_string(), "round-2".to_string()).unwrap();
+            extra_rounds2(100_000);
+            remove_tag("extra".to_string(), "round-2".to_string()).unwrap();
+            hash_rounds2(500_000);
+        })?;
+
+    // Wait for the threads to complete
+    handle_1.join().unwrap();
+    handle_2.join().unwrap();
+
+    // Stop Agent
+    let agent_ready = agent_running.stop()?;
+
+    // Shutdown the Agent
+    agent_ready.shutdown();
+
+    // Show program exit time
+    let exit = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .unwrap()
+        .as_secs();
+    println!("Exit Time: {}", exit);
+
+    Ok(())
+}
diff --git a/pyroscope_backends/pyroscope_pprofrs/src/lib.rs b/pyroscope_backends/pyroscope_pprofrs/src/lib.rs
index aa999316..f74cc478 100644
--- a/pyroscope_backends/pyroscope_pprofrs/src/lib.rs
+++ b/pyroscope_backends/pyroscope_pprofrs/src/lib.rs
@@ -1,8 +1,8 @@
 use pprof::{ProfilerGuard, ProfilerGuardBuilder};
 use pyroscope::{
     backend::{
-        Backend, BackendImpl, BackendUninitialized, Report, Rule, Ruleset, StackBuffer, StackFrame,
-        StackTrace,
+        Backend, BackendConfig, BackendImpl, BackendUninitialized, Report, Rule, Ruleset,
+        StackBuffer, StackFrame, StackTrace,
     },
     error::{PyroscopeError, Result},
 };
@@ -14,18 +14,23 @@ use std::{
 };
 
 pub fn pprof_backend(config: PprofConfig) -> BackendImpl<BackendUninitialized> {
-    BackendImpl::new(Box::new(Pprof::new(config)))
+    let backend_config = config.backend_config.clone();
+    BackendImpl::new(Box::new(Pprof::new(config)), Some(backend_config))
 }
 
 /// Pprof Configuration
 #[derive(Debug)]
 pub struct PprofConfig {
     sample_rate: u32,
+    backend_config: BackendConfig,
 }
 
 impl Default for PprofConfig {
     fn default() -> Self {
-        PprofConfig { sample_rate: 100 }
+        PprofConfig {
+            sample_rate: 100,
+            backend_config: BackendConfig::default(),
+        }
     }
 }
 
@@ -37,7 +42,36 @@ impl PprofConfig {
 
     /// Set the sample rate
     pub fn sample_rate(self, sample_rate: u32) -> Self {
-        PprofConfig { sample_rate }
+        PprofConfig {
+            sample_rate,
+            ..self
+        }
+    }
+
+    /// Tag thread id in report
+    pub fn report_thread_id(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_id: true,
+            ..self.backend_config
+        };
+
+        PprofConfig {
+            backend_config,
+            ..self
+        }
+    }
+
+    /// Tag thread name in report
+    pub fn report_thread_name(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_name: true,
+            ..self.backend_config
+        };
+
+        PprofConfig {
+            backend_config,
+            ..self
+        }
     }
 }
 
@@ -48,6 +82,8 @@ pub struct Pprof<'a> {
     buffer: Arc<Mutex<StackBuffer>>,
     /// pprof-rs Configuration
     config: PprofConfig,
+    /// Backend Configuration
+    backend_config: BackendConfig,
     /// pprof-rs profiler Guard Builder
     inner_builder: Arc<Mutex<Option<ProfilerGuardBuilder>>>,
     /// pprof-rs profiler Guard
@@ -65,9 +101,11 @@ impl std::fmt::Debug for Pprof<'_> {
 impl<'a> Pprof<'a> {
     /// Create a new Pprof Backend
     pub fn new(config: PprofConfig) -> Self {
+        let backend_config = config.backend_config.clone();
         Pprof {
             buffer: Arc::new(Mutex::new(StackBuffer::default())),
             config,
+            backend_config: backend_config,
             inner_builder: Arc::new(Mutex::new(None)),
             guard: Arc::new(Mutex::new(None)),
             ruleset: Ruleset::default(),
@@ -80,6 +118,10 @@ impl Backend for Pprof<'_> {
         Ok("pyroscope-rs".to_string())
     }
 
+    fn spy_extension(&self) -> std::result::Result<Option<String>, PyroscopeError> {
+        Ok(Some("cpu".to_string()))
+    }
+
     fn sample_rate(&self) -> Result<u32> {
         Ok(self.config.sample_rate)
     }
@@ -124,6 +166,12 @@ impl Backend for Pprof<'_> {
         Ok(reports)
     }
 
+    fn set_config(&self, config: BackendConfig) {}
+
+    fn get_config(&self) -> Result<BackendConfig> {
+        Ok(self.backend_config)
+    }
+
     fn add_rule(&self, rule: Rule) -> Result<()> {
         if self.guard.lock()?.as_ref().is_some() {
             self.dump_report()?;
@@ -157,7 +205,10 @@ impl Pprof<'_> {
             .build()
             .map_err(|e| PyroscopeError::new(e.to_string().as_str()))?;
 
-        let stack_buffer = Into::<StackBuffer>::into(Into::<StackBufferWrapper>::into(report));
+        let stack_buffer = Into::<StackBuffer>::into(Into::<StackBufferWrapper>::into((
+            report,
+            &self.backend_config,
+        )));
 
         // apply ruleset to stack_buffer
         let data: HashMap<StackTrace, usize> = stack_buffer
@@ -197,31 +248,6 @@ impl Pprof<'_> {
     }
 }
 
-struct ReportWrapper(Report);
-
-impl From<ReportWrapper> for Report {
-    fn from(report: ReportWrapper) -> Self {
-        report.0
-    }
-}
-
-impl From<pprof::Report> for ReportWrapper {
-    fn from(report: pprof::Report) -> Self {
-        //convert report to Report
-        let report_data: HashMap<StackTrace, usize> = report
-            .data
-            .iter()
-            .map(|(key, value)| {
-                (
-                    Into::<StackTraceWrapper>::into(key.to_owned()).into(),
-                    value.to_owned() as usize,
-                )
-            })
-            .collect();
-        ReportWrapper(Report::new(report_data))
-    }
-}
-
 struct StackBufferWrapper(StackBuffer);
 
 impl From<StackBufferWrapper> for StackBuffer {
@@ -230,15 +256,16 @@ impl From<StackBufferWrapper> for StackBuffer {
     }
 }
 
-impl From<pprof::Report> for StackBufferWrapper {
-    fn from(report: pprof::Report) -> Self {
+impl From<(pprof::Report, &BackendConfig)> for StackBufferWrapper {
+    fn from(arg: (pprof::Report, &BackendConfig)) -> Self {
+        let (report, config) = arg;
         //convert report to stackbuffer
         let buffer_data: HashMap<StackTrace, usize> = report
             .data
             .iter()
             .map(|(key, value)| {
                 (
-                    Into::<StackTraceWrapper>::into(key.to_owned()).into(),
+                    Into::<StackTraceWrapper>::into((key.to_owned(), config)).into(),
                     value.to_owned() as usize,
                 )
             })
@@ -255,9 +282,11 @@ impl From<StackTraceWrapper> for StackTrace {
     }
 }
 
-impl From<pprof::Frames> for StackTraceWrapper {
-    fn from(frames: pprof::Frames) -> Self {
+impl From<(pprof::Frames, &BackendConfig)> for StackTraceWrapper {
+    fn from(arg: (pprof::Frames, &BackendConfig)) -> Self {
+        let (frames, config) = arg;
         StackTraceWrapper(StackTrace::new(
+            config,
             None,
             Some(frames.thread_id),
             Some(frames.thread_name),
diff --git a/src/backend/backend.rs b/src/backend/backend.rs
index 883db24e..cd9dada3 100644
--- a/src/backend/backend.rs
+++ b/src/backend/backend.rs
@@ -12,6 +12,7 @@ use std::{
 use super::Report;
 
 /// Backend Config
+#[derive(Debug, Copy, Clone)]
 pub struct BackendConfig {
     pub report_thread_id: bool,
     pub report_thread_name: bool,
@@ -49,7 +50,7 @@ pub trait Backend: Send + Debug {
     /// Remove a report-splitting rule from the backend.
     fn remove_rule(&self, ruleset: Rule) -> Result<()>;
     /// Set the backend's configuration.
-    fn set_config(&self, config: BackendConfig) -> Result<()>;
+    fn set_config(&self, config: BackendConfig);
     /// Get the backend's configuration.
     fn get_config(&self) -> Result<BackendConfig>;
 }
diff --git a/src/backend/types.rs b/src/backend/types.rs
index 107abb8e..fad94164 100644
--- a/src/backend/types.rs
+++ b/src/backend/types.rs
@@ -222,22 +222,28 @@ impl std::fmt::Display for StackTrace {
 impl StackTrace {
     /// Create a new StackTrace
     pub fn new(
-        config: BackendConfig, pid: Option<u32>, thread_id: Option<u64>,
+        config: &BackendConfig, pid: Option<u32>, thread_id: Option<u64>,
         thread_name: Option<String>, frames: Vec<StackFrame>,
     ) -> Self {
         // Set StackTrace specific tags
         let mut metadata = Metadata::default();
 
-        if let Some(pid) = pid {
-            metadata.add_tag(Tag::new("pid".to_owned(), pid.to_string()));
+        if config.report_pid {
+            if let Some(pid) = pid {
+                metadata.add_tag(Tag::new("pid".to_owned(), pid.to_string()));
+            }
         }
 
-        if let Some(thread_id) = thread_id {
-            metadata.add_tag(Tag::new("thread_id".to_owned(), thread_id.to_string()));
+        if config.report_thread_id {
+            if let Some(thread_id) = thread_id {
+                metadata.add_tag(Tag::new("thread_id".to_owned(), thread_id.to_string()));
+            }
         }
 
-        if let Some(thread_name) = thread_name.clone() {
-            metadata.add_tag(Tag::new("thread_name".to_owned(), thread_name));
+        if config.report_thread_name {
+            if let Some(thread_name) = thread_name.clone() {
+                metadata.add_tag(Tag::new("thread_name".to_owned(), thread_name));
+            }
         }
 
         Self {
diff --git a/src/backend/void.rs b/src/backend/void.rs
index a4b319ce..cb917a1f 100644
--- a/src/backend/void.rs
+++ b/src/backend/void.rs
@@ -15,14 +15,14 @@ fn generate_stack_trace() -> Result<Vec<StackTrace>> {
         Some(0),
     )];
     let stack_trace_1 = StackTrace::new(
-        BackendConfig::default(),
+        &BackendConfig::default(),
         None,
         Some(1),
         None,
         frames.clone(),
     );
 
-    let stack_trace_2 = StackTrace::new(BackendConfig::default(), None, Some(2), None, frames);
+    let stack_trace_2 = StackTrace::new(&BackendConfig::default(), None, Some(2), None, frames);
 
     Ok(vec![stack_trace_1, stack_trace_2])
 }
@@ -116,9 +116,7 @@ impl Backend for VoidBackend {
     }
 
     /// Set the configuration.
-    fn set_config(&self, config: BackendConfig) -> Result<()> {
-        Ok(())
-    }
+    fn set_config(&self, _config: BackendConfig) {}
 
     /// Return the configuration.
     fn get_config(&self) -> Result<BackendConfig> {

From 0bbbbb3f20522c359a06e621b319a4870daa576e Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sun, 26 Jun 2022 22:06:28 -0500
Subject: [PATCH 21/31] imp(rbspy): add BackendConfig support

---
 pyroscope_backends/pyroscope_rbspy/src/lib.rs | 75 +++++++++++++++++--
 1 file changed, 69 insertions(+), 6 deletions(-)

diff --git a/pyroscope_backends/pyroscope_rbspy/src/lib.rs b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
index 24912fbd..8299df4e 100644
--- a/pyroscope_backends/pyroscope_rbspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
@@ -1,7 +1,7 @@
 use pyroscope::{
     backend::{
-        Backend, BackendImpl, BackendUninitialized, Report, Rule, Ruleset, StackBuffer, StackFrame,
-        StackTrace,
+        Backend, BackendConfig, BackendImpl, BackendUninitialized, Report, Rule, Ruleset,
+        StackBuffer, StackFrame, StackTrace,
     },
     error::{PyroscopeError, Result},
 };
@@ -17,7 +17,11 @@ use std::{
 
 /// Short-hand function for creating a new Rbspy backend.
 pub fn rbspy_backend(config: RbspyConfig) -> BackendImpl<BackendUninitialized> {
-    BackendImpl::new(Box::new(Rbspy::new(config)))
+    // Clone BackendConfig to pass to the backend object.
+    let backend_config = config.backend_config.clone();
+
+    // Create a new backend object.
+    BackendImpl::new(Box::new(Rbspy::new(config)), Some(backend_config))
 }
 
 /// Rbspy Configuration
@@ -27,6 +31,8 @@ pub struct RbspyConfig {
     pid: Option<i32>,
     /// Sampling rate
     sample_rate: u32,
+    /// Backend Config
+    backend_config: BackendConfig,
     /// Lock Process while sampling
     lock_process: bool,
     /// Profiling duration. None for infinite.
@@ -40,6 +46,7 @@ impl Default for RbspyConfig {
         RbspyConfig {
             pid: None,
             sample_rate: 100,
+            backend_config: BackendConfig::default(),
             lock_process: false,
             time_limit: None,
             with_subprocesses: false,
@@ -64,6 +71,45 @@ impl RbspyConfig {
         }
     }
 
+    /// Tag thread id in report
+    pub fn report_pid(self) -> Self {
+        let backend_config = BackendConfig {
+            report_pid: true,
+            ..self.backend_config
+        };
+
+        RbspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
+    /// Tag thread id in report
+    pub fn report_thread_id(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_id: true,
+            ..self.backend_config
+        };
+
+        RbspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
+    /// Tag thread name in report
+    pub fn report_thread_name(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_name: true,
+            ..self.backend_config
+        };
+
+        RbspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
     /// Set the lock process flag
     pub fn lock_process(self, lock_process: bool) -> Self {
         RbspyConfig {
@@ -133,11 +179,22 @@ impl Backend for Rbspy {
         Ok("rbspy".to_string())
     }
 
+    /// Return the backend extension
+    fn spy_extension(&self) -> Result<Option<String>> {
+        Ok(Some("cpu".to_string()))
+    }
+
     /// Return the sample rate
     fn sample_rate(&self) -> Result<u32> {
         Ok(self.config.sample_rate)
     }
 
+    fn set_config(&self, config: BackendConfig) {}
+
+    fn get_config(&self) -> Result<BackendConfig> {
+        Ok(self.config.backend_config)
+    }
+
     /// Add a rule to the ruleset
     fn add_rule(&self, rule: Rule) -> Result<()> {
         self.ruleset.add_rule(rule)?;
@@ -206,11 +263,14 @@ impl Backend for Rbspy {
         // ruleset reference
         let ruleset = self.ruleset.clone();
 
+        let backend_config = self.config.backend_config.clone();
+
         let _: JoinHandle<Result<()>> = std::thread::spawn(move || {
             // Iterate over the StackTrace
             while let Ok(stack_trace) = stack_receiver.recv() {
                 // convert StackTrace
-                let own_trace: StackTrace = Into::<StackTraceWrapper>::into(stack_trace).into();
+                let own_trace: StackTrace =
+                    Into::<StackTraceWrapper>::into((stack_trace, &backend_config)).into();
 
                 let stacktrace = own_trace + &ruleset;
 
@@ -276,9 +336,12 @@ impl From<StackTraceWrapper> for StackTrace {
     }
 }
 
-impl From<rbspy::StackTrace> for StackTraceWrapper {
-    fn from(trace: rbspy::StackTrace) -> Self {
+impl From<(rbspy::StackTrace, &BackendConfig)> for StackTraceWrapper {
+    fn from(arg: (rbspy::StackTrace, &BackendConfig)) -> Self {
+        let (trace, config) = arg;
+
         StackTraceWrapper(StackTrace::new(
+            config,
             trace.pid.map(|pid| pid as u32),
             trace.thread_id.map(|id| id as u64),
             None,

From ad34c2c3c7bad8e070068514123b2efc5bc86473 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Sun, 26 Jun 2022 22:09:37 -0500
Subject: [PATCH 22/31] imp(pyspy): add spy extension

---
 pyroscope_backends/pyroscope_pyspy/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pyroscope_backends/pyroscope_pyspy/src/lib.rs b/pyroscope_backends/pyroscope_pyspy/src/lib.rs
index 29487924..fa8bed28 100644
--- a/pyroscope_backends/pyroscope_pyspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_pyspy/src/lib.rs
@@ -162,6 +162,11 @@ impl Backend for Pyspy {
         Ok("pyspy".to_string())
     }
 
+    /// Return the extension of the backend.
+    fn spy_extension(&self) -> Result<Option<String>> {
+        Ok(Some("cpu".to_string()))
+    }
+
     /// Return the sample rate.
     fn sample_rate(&self) -> Result<u32> {
         Ok(self.config.sample_rate)

From 24b29dff94e0d7868c5ac2baa4eec4b8d478c8e4 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 00:49:03 -0500
Subject: [PATCH 23/31] refactor(rbspy): remove report_thread_name

---
 Cargo.toml                                    |  6 ++++++
 pyroscope_backends/pyroscope_rbspy/src/lib.rs | 13 -------------
 2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 01370421..36d765ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,6 +65,12 @@ pyroscope_pprofrs = { path = "pyroscope_backends/pyroscope_pprofrs" }
 pyroscope_pyspy = { path = "pyroscope_backends/pyroscope_pyspy" }
 pyroscope_rbspy = { path = "pyroscope_backends/pyroscope_rbspy" }
 
+[patch.crates-io]
+rbspy = {git = "https://github.com/omarabid/rbspy.git", branch="oncpu-fix"}
+read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
+
+
+
 [profile.dev]
 opt-level=0
 debug = true
diff --git a/pyroscope_backends/pyroscope_rbspy/src/lib.rs b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
index b1178dfb..9c41bf14 100644
--- a/pyroscope_backends/pyroscope_rbspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_rbspy/src/lib.rs
@@ -97,19 +97,6 @@ impl RbspyConfig {
         }
     }
 
-    /// Tag thread name in report
-    pub fn report_thread_name(self) -> Self {
-        let backend_config = BackendConfig {
-            report_thread_name: true,
-            ..self.backend_config
-        };
-
-        RbspyConfig {
-            backend_config,
-            ..self
-        }
-    }
-
     /// Set the lock process flag
     pub fn lock_process(self, lock_process: bool) -> Self {
         RbspyConfig {

From cc2f0906c3c5e711e34bb56f741476a7886e51fe Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 01:20:53 -0500
Subject: [PATCH 24/31] imp(pyspy): add BackendConfig support

---
 pyroscope_backends/pyroscope_pyspy/Cargo.toml |  4 +
 pyroscope_backends/pyroscope_pyspy/src/lib.rs | 75 ++++++++++++++++---
 2 files changed, 69 insertions(+), 10 deletions(-)

diff --git a/pyroscope_backends/pyroscope_pyspy/Cargo.toml b/pyroscope_backends/pyroscope_pyspy/Cargo.toml
index 6a166217..4c6a67ac 100644
--- a/pyroscope_backends/pyroscope_pyspy/Cargo.toml
+++ b/pyroscope_backends/pyroscope_pyspy/Cargo.toml
@@ -19,6 +19,10 @@ pyroscope = { version = "0.5.2", path = "../../" }
 thiserror ="1.0"
 log = "0.4"
 
+[patch.crates-io]
+read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
+
+
 [profile.dev]
 opt-level=0
 debug = true
diff --git a/pyroscope_backends/pyroscope_pyspy/src/lib.rs b/pyroscope_backends/pyroscope_pyspy/src/lib.rs
index fa8bed28..7d2174da 100644
--- a/pyroscope_backends/pyroscope_pyspy/src/lib.rs
+++ b/pyroscope_backends/pyroscope_pyspy/src/lib.rs
@@ -1,8 +1,8 @@
 use py_spy::{config::Config, sampler::Sampler};
 use pyroscope::{
     backend::{
-        Backend, BackendImpl, BackendUninitialized, Report, Rule, Ruleset, StackBuffer, StackFrame,
-        StackTrace,
+        Backend, BackendConfig, BackendImpl, BackendUninitialized, Report, Rule, Ruleset,
+        StackBuffer, StackFrame, StackTrace,
     },
     error::{PyroscopeError, Result},
 };
@@ -19,7 +19,10 @@ const LOG_TAG: &str = "Pyroscope::Pyspy";
 
 /// Short-hand function for creating a new Pyspy backend.
 pub fn pyspy_backend(config: PyspyConfig) -> BackendImpl<BackendUninitialized> {
-    BackendImpl::new(Box::new(Pyspy::new(config)))
+    // Clone BackendConfig to pass to the backend object.
+    let backend_config = config.backend_config.clone();
+
+    BackendImpl::new(Box::new(Pyspy::new(config)), Some(backend_config))
 }
 
 /// Pyspy Configuration
@@ -29,6 +32,8 @@ pub struct PyspyConfig {
     pid: Option<i32>,
     /// Sampling rate
     sample_rate: u32,
+    /// Backend Config
+    backend_config: BackendConfig,
     /// Lock Process while sampling
     lock_process: py_spy::config::LockingStrategy,
     /// Profiling duration (None for infinite)
@@ -48,6 +53,7 @@ impl Default for PyspyConfig {
         PyspyConfig {
             pid: Some(0),
             sample_rate: 100,
+            backend_config: BackendConfig::default(),
             lock_process: py_spy::config::LockingStrategy::NonBlocking,
             time_limit: None,
             with_subprocesses: false,
@@ -75,6 +81,45 @@ impl PyspyConfig {
         }
     }
 
+    /// Tag thread id in report
+    pub fn report_pid(self) -> Self {
+        let backend_config = BackendConfig {
+            report_pid: true,
+            ..self.backend_config
+        };
+
+        PyspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
+    /// Tag thread id in report
+    pub fn report_thread_id(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_id: true,
+            ..self.backend_config
+        };
+
+        PyspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
+    /// Tag thread name in report
+    pub fn report_thread_name(self) -> Self {
+        let backend_config = BackendConfig {
+            report_thread_name: true,
+            ..self.backend_config
+        };
+
+        PyspyConfig {
+            backend_config,
+            ..self
+        }
+    }
+
     /// Set the lock process flag
     pub fn lock_process(self, lock_process: bool) -> Self {
         PyspyConfig {
@@ -172,6 +217,12 @@ impl Backend for Pyspy {
         Ok(self.config.sample_rate)
     }
 
+    fn set_config(&self, config: BackendConfig) {}
+
+    fn get_config(&self) -> Result<BackendConfig> {
+        Ok(self.config.backend_config)
+    }
+
     /// Add a rule to the ruleset.
     fn add_rule(&self, rule: Rule) -> Result<()> {
         self.ruleset.lock()?.add_rule(rule)?;
@@ -229,6 +280,8 @@ impl Backend for Pyspy {
         // create a new ruleset reference
         let ruleset = self.ruleset.clone();
 
+        let backend_config = self.config.backend_config.clone();
+
         self.sampler_thread = Some(std::thread::spawn(move || {
             // Get PID
             let pid = config
@@ -257,7 +310,7 @@ impl Backend for Pyspy {
 
                     // Convert py-spy trace to a Pyroscope trace
                     let own_trace: StackTrace =
-                        Into::<StackTraceWrapper>::into(trace.clone()).into();
+                        Into::<StackTraceWrapper>::into((trace.clone(), &backend_config)).into();
 
                     // apply ruleset
                     let stacktrace = own_trace + &ruleset.lock()?.clone();
@@ -335,13 +388,15 @@ impl From<StackTraceWrapper> for StackTrace {
     }
 }
 
-impl From<py_spy::StackTrace> for StackTraceWrapper {
-    fn from(trace: py_spy::StackTrace) -> Self {
+impl From<(py_spy::StackTrace, &BackendConfig)> for StackTraceWrapper {
+    fn from(arg: (py_spy::StackTrace, &BackendConfig)) -> Self {
+        let (stack_trace, config) = arg;
         let stacktrace = StackTrace::new(
-            Some(trace.pid as u32),
-            Some(trace.thread_id as u64),
-            trace.thread_name.clone(),
-            trace
+            config,
+            Some(stack_trace.pid as u32),
+            Some(stack_trace.thread_id as u64),
+            stack_trace.thread_name.clone(),
+            stack_trace
                 .frames
                 .iter()
                 .map(|frame| Into::<StackFrameWrapper>::into(frame.clone()).into())

From cf399920d075a67d97489e4728886dfd0bad0a6f Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 10:15:17 -0500
Subject: [PATCH 25/31] imp(pprof): update pprof-rs version

---
 pyroscope_backends/pyroscope_pprofrs/Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyroscope_backends/pyroscope_pprofrs/Cargo.toml b/pyroscope_backends/pyroscope_pprofrs/Cargo.toml
index 0fdc39ee..e788cac6 100644
--- a/pyroscope_backends/pyroscope_pprofrs/Cargo.toml
+++ b/pyroscope_backends/pyroscope_pprofrs/Cargo.toml
@@ -15,7 +15,7 @@ readme = "README.md"
 
 
 [dependencies]
-pprof = "0.9.1"
+pprof = "0.10.0"
 pyroscope = {version = "0.5.2", path = "../../" }
 thiserror ="1.0"
 

From 1aef9aa8c19dde15dc0f59575c2b9863775a0f66 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 10:49:20 -0500
Subject: [PATCH 26/31] refactor(rbspy): use forked upstream crate

---
 pyroscope_backends/pyroscope_rbspy/Cargo.toml | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/pyroscope_backends/pyroscope_rbspy/Cargo.toml b/pyroscope_backends/pyroscope_rbspy/Cargo.toml
index 71d5afab..2ba36e1e 100644
--- a/pyroscope_backends/pyroscope_rbspy/Cargo.toml
+++ b/pyroscope_backends/pyroscope_rbspy/Cargo.toml
@@ -14,18 +14,15 @@ repository = "https://github.com/pyroscope-io/pyroscope-rs"
 readme = "README.md"
 
 [dependencies]
-rbspy = "0.12.1"
+rbspy= {package = "rbspy-oncpu", version = "0.12.1"}
 pyroscope = { version = "0.5.2", path = "../../" }
 thiserror ="1.0"
 log = "0.4"
 anyhow = "1.0.56"
 
 [patch.crates-io]
-rbspy = {git = "https://github.com/omarabid/rbspy.git", branch="oncpu-fix"}
 read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
 
-
-
 [profile.dev]
 opt-level=0
 debug = true

From 84d21dfad116577b7881c89ba35305765ebc00e1 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 10:56:29 -0500
Subject: [PATCH 27/31] chore(docs): add CONTRIBUTING guideline

---
 CONTRIBUTING.md | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 CONTRIBUTING.md

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 00000000..7fe8930f
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,11 @@
+# Contributing to Pyroscope
+
+Thank you for your interest in contributing to Pyroscope! We welcome all people who want to contribute in a healthy and constructive manner within our community. To help us create a safe and positive community experience for all, we require all participants to adhere to the [Code of Conduct](CODE_OF_CONDUCT.md).
+
+This document is a guide to help you through the process of contributing to Pyroscope.
+
+## Where do I start
+
+* Set up your [development environment](https://pyroscope.io/docs/developer-guide).
+* Read the [style guides](https://pyroscope.io/docs/style-guide) we use.
+* Check out the list of [good first issues](https://github.com/pyroscope-io/pyroscope/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22).

From cea870a11f9699f2c821dec1d0592983b1a5b126 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 11:00:27 -0500
Subject: [PATCH 28/31] chore(docs): add PR template

---
 .github/PULL_REQUEST_TEMPLATE.md | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 .github/PULL_REQUEST_TEMPLATE.md

diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000..0757758c
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,9 @@
+<!--
+Thanks for helping out!
+
+Please link the appropriate issue from your PR.
+
+If you don't have an issue, we'd recommend starting with one first so the PR can focus on the
+implementation (unless its an obvious bug or documentation fix that will have
+little conversation).
+-->

From 53ad88057d83686031fe8aa6f67db6f4beaba1d6 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 11:01:28 -0500
Subject: [PATCH 29/31] chore(ops): add dependabot config

---
 .github/dependabot.yml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..ddbbb867
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,17 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: weekly
+    time: "07:00"
+  open-pull-requests-limit: 10
+  labels:
+    - C-dependencies
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule: 
+    interval: weekly
+  open-pull-requests-limit: 10
+  labels: 
+   - "C-dependencies"

From fdef71bd17a7959c7f5cdc8959823d827a5f8dd3 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 11:08:17 -0500
Subject: [PATCH 30/31] refactor(cargo): remove patch section from main
 Cargo.toml file

---
 Cargo.toml                                    | 6 ------
 pyroscope_backends/pyroscope_pyspy/Cargo.toml | 1 -
 2 files changed, 7 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 36d765ef..01370421 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,12 +65,6 @@ pyroscope_pprofrs = { path = "pyroscope_backends/pyroscope_pprofrs" }
 pyroscope_pyspy = { path = "pyroscope_backends/pyroscope_pyspy" }
 pyroscope_rbspy = { path = "pyroscope_backends/pyroscope_rbspy" }
 
-[patch.crates-io]
-rbspy = {git = "https://github.com/omarabid/rbspy.git", branch="oncpu-fix"}
-read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
-
-
-
 [profile.dev]
 opt-level=0
 debug = true
diff --git a/pyroscope_backends/pyroscope_pyspy/Cargo.toml b/pyroscope_backends/pyroscope_pyspy/Cargo.toml
index 4c6a67ac..c9230775 100644
--- a/pyroscope_backends/pyroscope_pyspy/Cargo.toml
+++ b/pyroscope_backends/pyroscope_pyspy/Cargo.toml
@@ -22,7 +22,6 @@ log = "0.4"
 [patch.crates-io]
 read-process-memory = {git = "https://github.com/omarabid/read-process-memory.git", branch = "0.1.4-fix"}
 
-
 [profile.dev]
 opt-level=0
 debug = true

From eaff8c0d5eb7af2a9e167c618fc107c91f9b1f97 Mon Sep 17 00:00:00 2001
From: Abid Omar <contact@omarabid.com>
Date: Mon, 27 Jun 2022 11:21:31 -0500
Subject: [PATCH 31/31] chore(release): lib-0.5.3 release

---
 CHANGELOG.md | 9 +++++++++
 Cargo.toml   | 2 +-
 README.md    | 2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b5767a1..3d95e21f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# v0.5.3
+## New features
+- Add BackendConfig to make reporting of pid, thread_id and thread_name
+  optional. 
+- Backends can add a suffix to the "application_name"
+
+## Bug Fixes
+- **main**: fixed an obsecure bug when counting stacktraces ([Abid Omar](https://github.com/pyroscope-io/pyroscope-rs/commit/bdecaa13aeae3ce7d4c3d97f88bdd104ec35e7c5))
+
 # v0.5.2
 ## New features
 - Authentication Token support
diff --git a/Cargo.toml b/Cargo.toml
index 01370421..a9b4c573 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ Pyroscope Profiler Agent for continuous profiling of Rust, Python and Ruby appli
 """
 keywords = ["pyroscope", "profiler", "profiling", "pprof"]
 authors = ["Abid Omar <contact@omarabid.com>"]
-version = "0.5.2"
+version = "0.5.3"
 edition = "2021"
 license = "Apache-2.0"
 homepage = "https://pyroscope.io/docs/rust"
diff --git a/README.md b/README.md
index cc89a23d..6ad6da1e 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-pyroscope = "0.5.2"
+pyroscope = "0.5.3"
 pyroscope_pprofrs = "0.2"
 ```