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April 21, 2014 12:30
RUn configure with --enable-profile, then
$ ferite --fe-profile=out.json <file.fe>
Feed out.json to fprof[1] to produce the html reports.
Profile metrics are saved into the given file at atexit(3)
[1] https://github.com/cention-nazri/fprof
native_information->line holds the same information, there were no equivalent information for non-native functions. Eventually these two locations should be consolidated as one - the next commit after this one will do it.
Saving profiling data atexit(3) may cause a segfault due to ferite_deinit() being called before ferite_profile_save() - the memory allocated for the profiling metrics may have been freed by the garbage collector. Provide an api for saving the profiling data at exit for use by clients such as mod_ferite.
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This enables profiling of ferite script. It records the time spent in statements and functions.