perf – Page 2 – Tarik Billa

linux perf: how to interpret and find hotspots

May 6, 2023 by Tarik

With Linux 3.7 perf is finally able to use DWARF information to generate the callgraph: perf record –call-graph dwarf — yourapp perf report -g graph –no-children Neat, but the curses GUI is horrible compared to VTune, KCacheGrind or similar… I recommend to try out FlameGraphs instead, which is a pretty neat visualization: http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html Note: In … Read more

Install “perf” on Mac

April 20, 2023 by Tarik

As @Sami Laine said in his comment, the Linux perf tool is dependent on Linux specific code. It relies on the perf_event_open system call which is not standardized. Note: Maybe you could search how MacOSX users are using recent hardware performance counters.