feat(app launch profiling): add app launch profiling (#3529)

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Features
+
+- Automatically profile app launches (#3529)
+
 ### Improvements
 
 - Cache installationID async to avoid file IO on the main thread when starting the SDK (#3601)
@@ -10,6 +14,7 @@
 ### Fixes
 
 - Finish TTID span when transaction finishes (#3610)
+- Don't take screenshot and view hierarchy for app hanging (#3620)
 - Dont take screenshot and view hierarchy for app hanging (#3620)
 - Remove `free_storage` and `storage_size` from the device context (#3627), because Apple forbids sending
 information retrieved via `NSFileSystemFreeSize` and `NSFileSystemSize` off a device; see

Samples/iOS-Swift/iOS-Swift.xcodeproj/xcshareddata/xcschemes/iOS-Swift.xcscheme

@@ -23,7 +23,7 @@
       </BuildActionEntries>
    </BuildAction>
    <TestAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Test"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
@@ -73,6 +73,26 @@
             argument = "--disable-file-io-tracing"
             isEnabled = "NO">
          </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--io.sentry.wipe-data"
+            isEnabled = "YES">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--io.sentry.slow-load-method"
+            isEnabled = "YES">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--disable-watchdog-tracking"
+            isEnabled = "NO">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--disable-tracing"
+            isEnabled = "NO">
+         </CommandLineArgument>
+         <CommandLineArgument
+            argument = "--profile-app-launches"
+            isEnabled = "YES">
+         </CommandLineArgument>
          <CommandLineArgument
             argument = "--disable-crash-handler"
             isEnabled = "NO">

Samples/iOS-Swift/iOS-Swift.xcodeproj/xcshareddata/xcschemes/iOS-SwiftUITests.xcscheme

@@ -25,7 +25,7 @@
       </Testables>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Test"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"

Samples/iOS-Swift/iOS-Swift/AppDelegate.swift

@@ -34,7 +34,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
             }
             options.tracesSampleRate = tracesSampleRate
 
-            if let tracesSamplerValue = env["--io.sentry.tracersSamplerValue"] {
+            if let tracesSamplerValue = env["--io.sentry.tracesSamplerValue"] {
                 options.tracesSampler = { _ in
                     return NSNumber(value: (tracesSamplerValue as NSString).integerValue)
                 }
@@ -51,7 +51,9 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
                     return NSNumber(value: (profilesSamplerValue as NSString).integerValue)
                 }
             }
-
+
+            options.enableAppLaunchProfiling = args.contains("--profile-app-launches")
+
             options.sessionTrackingIntervalMillis = 5_000
             options.attachScreenshot = true
             options.attachViewHierarchy = true
@@ -81,9 +83,11 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
             options.enableNetworkBreadcrumbs = !args.contains("--disable-network-breadcrumbs")
             options.enableSwizzling = !args.contains("--disable-swizzling")
             options.enableCrashHandler = !args.contains("--disable-crash-handler")
+            options.enableTracing = !args.contains("--disable-tracing")
 
             // because we run CPU for 15 seconds at full throttle, we trigger ANR issues being sent. disable such during benchmarks.
             options.enableAppHangTracking = !isBenchmarking && !args.contains("--disable-anr-tracking")
+            options.enableWatchdogTerminationTracking = !isBenchmarking && !args.contains("--disable-watchdog-tracking")
             options.appHangTimeoutInterval = 2
             options.enableCaptureFailedRequests = true
             let httpStatusCodeRange = HttpStatusCodeRange(min: 400, max: 599)
@@ -96,7 +100,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
             }
 
             options.initialScope = { scope in
-                let processInfoEnvironment = ProcessInfo.processInfo.environment["io.sentry.sdk-environment"]
+                let processInfoEnvironment = env["io.sentry.sdk-environment"]
 
                 if processInfoEnvironment != nil {
                     scope.setEnvironment(processInfoEnvironment)
@@ -126,8 +130,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
 
-        print("[iOS-Swift] launch arguments: \(ProcessInfo.processInfo.arguments)")
-        print("[iOS-Swift] environment: \(ProcessInfo.processInfo.environment)")
+        print("[iOS-Swift] [debug] launch arguments: \(ProcessInfo.processInfo.arguments)")
+        print("[iOS-Swift] [debug] environment: \(ProcessInfo.processInfo.environment)")
 
         maybeWipeData()
         AppDelegate.startSentry()
@@ -161,9 +165,10 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 }
 
 private extension AppDelegate {
+    // previously tried putting this in an AppDelegate.load override in ObjC, but it wouldn't run until after a launch profiler would have an opportunity to run, since SentryProfiler.load would always run first due to being dynamically linked in a framework module. it is sufficient to do it before calling SentrySDK.startWithOptions to clear state for testProfiledAppLaunches because we don't make any assertions on a launch profile the first launch of the app in that test 
     func maybeWipeData() {
         if ProcessInfo.processInfo.arguments.contains("--io.sentry.wipe-data") {
-            print("[iOS-Swift] removing app data")
+            print("[iOS-Swift] [debug] removing app data")
             let appSupport = NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true).first!
             let cache = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true).first!
             for path in [appSupport, cache] {

Samples/iOS-Swift/iOS-Swift/Base.lproj/Main.storyboard

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="22154" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="5CD-RQ-aBU">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="22505" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="5CD-RQ-aBU">
     <device id="retina4_0" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22130"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22504"/>
         <capability name="Image references" minToolsVersion="12.0"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="System colors in document resources" minToolsVersion="11.0"/>
@@ -172,7 +172,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
                             <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" alignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="jya-5z-xKN">
-                                <rect key="frame" x="0.0" y="64" width="320" height="56"/>
+                                <rect key="frame" x="0.0" y="64" width="320" height="190"/>
                                 <subviews>
                                     <stackView opaque="NO" contentMode="scaleToFill" alignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="DOu-47-e6X">
                                         <rect key="frame" x="93" y="0.0" width="134" height="28"/>
@@ -223,16 +223,65 @@
                                             </button>
                                         </subviews>
                                     </stackView>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="vwa-d9-1BM">
+                                        <rect key="frame" x="111.5" y="56" width="97" height="28"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="13"/>
+                                        <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                        <state key="normal" title="View last profile"/>
+                                        <connections>
+                                            <action selector="viewLastProfile:" destination="NZr-bH-g9o" eventType="touchUpInside" id="7Xd-19-rsP"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="keL-m5-7hv">
+                                        <rect key="frame" x="33.5" y="84" width="253" height="28"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="13"/>
+                                        <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                        <state key="normal" title="Check launch profile marker file existence"/>
+                                        <connections>
+                                            <action selector="checkLaunchProfilingMarkerFile:" destination="NZr-bH-g9o" eventType="touchUpInside" id="IcT-D3-Oya"/>
+                                        </connections>
+                                    </button>
+                                    <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="F1h-qu-BzX">
+                                        <rect key="frame" x="102.5" y="112" width="115" height="28"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="13"/>
+                                        <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                        <state key="normal" title="View launch profile"/>
+                                        <connections>
+                                            <action selector="viewLaunchProfile:" destination="NZr-bH-g9o" eventType="touchUpInside" id="DPn-8C-b7l"/>
+                                        </connections>
+                                    </button>
+                                    <stackView opaque="NO" contentMode="scaleToFill" alignment="center" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="LIr-jM-FSX">
+                                        <rect key="frame" x="19" y="140" width="282" height="50"/>
+                                        <subviews>
+                                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="UI test data marshalling:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Uhg-B3-Rao" userLabel="UI test data marshaling:">
+                                                <rect key="frame" x="0.0" y="15" width="184" height="20.5"/>
+                                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                                <nil key="textColor"/>
+                                                <nil key="highlightedColor"/>
+                                            </label>
+                                            <textField opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="248" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="5zI-Ix-rMJ">
+                                                <rect key="frame" x="192" y="8" width="32" height="34"/>
+                                                <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                                <textInputTraits key="textInputTraits"/>
+                                            </textField>
+                                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="2LR-W8-mNE" userLabel="Profiling UI Test Data Marshaling status">
+                                                <rect key="frame" x="232" y="0.0" width="50" height="50"/>
+                                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                                <nil key="textColor"/>
+                                                <nil key="highlightedColor"/>
+                                            </label>
+                                        </subviews>
+                                    </stackView>
                                     <textField hidden="YES" opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="248" contentHorizontalAlignment="left" contentVerticalAlignment="center" borderStyle="roundedRect" textAlignment="natural" minimumFontSize="17" translatesAutoresizingMaskIntoConstraints="NO" id="uTM-T7-Gv6">
-                                        <rect key="frame" x="0.0" y="56" width="320" height="0.0"/>
+                                        <rect key="frame" x="0.0" y="190" width="320" height="0.0"/>
                                         <accessibility key="accessibilityConfiguration" identifier="io.sentry.benchmark.value-marshaling-text-field"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="14"/>
                                         <textInputTraits key="textInputTraits"/>
                                     </textField>
                                 </subviews>
                             </stackView>
                             <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" alignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="hFG-bX-qLp">
-                                <rect key="frame" x="10" y="174" width="300" height="159.5"/>
+                                <rect key="frame" x="10" y="308" width="300" height="159.5"/>
                                 <subviews>
                                     <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Work threads:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="t2C-jL-6qO">
                                         <rect key="frame" x="97" y="0.0" width="106.5" height="20.5"/>
@@ -342,10 +391,13 @@
                     </view>
                     <tabBarItem key="tabBarItem" title="Profiling" image="flame.fill" catalog="system" selectedImage="flame.fill" id="Wfx-IJ-h9f"/>
                     <connections>
+                        <outlet property="launchProfilingMarkerFileCheckButton" destination="keL-m5-7hv" id="s2U-XE-Flv"/>
                         <outlet property="maxThreadsTextField" destination="COd-X5-alN" id="6Pn-Be-aUe"/>
                         <outlet property="maxWorkIntensityTextField" destination="rJh-QS-fAl" id="u9q-Sj-6SY"/>
                         <outlet property="minThreadsTextField" destination="sCM-tI-skI" id="D0Z-yT-LbU"/>
                         <outlet property="minWorkIntensityTextField" destination="CuN-wx-fvQ" id="Eik-Z2-7M7"/>
+                        <outlet property="profilingUITestDataMarshalingStatus" destination="2LR-W8-mNE" id="S4k-Yg-EsB"/>
+                        <outlet property="profilingUITestDataMarshalingTextField" destination="5zI-Ix-rMJ" id="2o6-Cc-NMl"/>
                         <outlet property="valueTextField" destination="uTM-T7-Gv6" id="M59-lx-juE"/>
                         <outlet property="workIntensityFactorLabel" destination="cAO-gr-3HC" id="BvB-NZ-TXI"/>
                         <outlet property="workIntervalSlider" destination="N8m-ny-upJ" id="3MU-ZK-5qD"/>