Firefox OS/Performance/Profiling: Difference between revisions
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Bad at: Requires configure option, higher overhead | Bad at: Requires configure option, higher overhead | ||
'''Better instructions coming:''' Build with '--enable-systrace' and follow [http://developer.android.com/tools/help/systrace.html these instructions for systrace.py]. | |||
Build with '--enable-systrace' and follow [http://developer.android.com/tools/help/systrace.html these instructions for systrace.py]. | |||
Revision as of 04:46, 10 January 2014
Profiling with the gecko profiler
Good at: Native stacks (with runtime options) + javascript profiling, low overhead sampling, familiar for gecko developers
See these instructions. Patches are in-flight to get native stacks in profiles, but that's not in default configurations yet.
Profiling with systrace
Good at: Shows process preemption, shows all calls to instrumented functions, Familiar for android developers
Bad at: Requires configure option, higher overhead
Better instructions coming: Build with '--enable-systrace' and follow these instructions for systrace.py.