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Performance:Tools/oprofile: Difference between revisions
→Profiling Firefox or Fennec with oprofile
(Created page with "= Profiling Firefox or Fennec with oprofile = oprofile is a useful profiling tool for Linux. Using it does not require recompiling in many cases, which is nice. * You may need ...") |
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* You may need to compile with | * You may need to compile with | ||
ac_add_options --enable-optimize="-O0 -fno-omit-frame-pointer" | ac_add_options --enable-optimize="-O0 -fno-omit-frame-pointer" | ||
in order to get callgraph data properly. | in order to get callgraph data properly. Also you need debug symbols. | ||
* You can then follow the following workflow: | * You can then follow the following workflow: | ||
sudo opcontrol --reset | sudo opcontrol --reset | ||
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== Notes == | == Notes == | ||
* Callgraph data may not work on x86_64, sadly. | * Callgraph data may not work on x86_64 or ARM, sadly. | ||