how to profile

[bottle2]

yeah like, GCC has gprof, and on Linux you have perf and Valgrind. Windows has Visual Studio built-in line-by-line profiling, but there is also Very Sleepy (never tried this one)

how about Emscripten? how does one go about profiling?

I'm interested in timing functions, but even better line-by-line because my functions are giant (didn't refactor stuff yet)

apparently I'm supposed to use some browser-specific tool. okay! I'll try