> Btw, does anyone have some tips to add? :) Use perf script to show individual samples Use perf report --percent-limit 5 to only show entires above 5% Use perf record -b -g / perf report --branch-history to show branch events Use perf record -b / perf report to show branch mispredictions Use perf report -M intel to show Intel style assembler Use perf report --sort srcfile to sort by source file Use perf report --sort symbol,srcline to sort by source line Use perf record -e '{cycles,cache-misses}:S' / perf report --group to associate events Use perf mem record / perf mem report for memory address profiling Use perf stat -I 1000 to count events in intervals Use perf stat -I 1000 -x, to count events and output as CSV Use perf timechart record / report to generate high level time line Use perf probe --add kfunc / perf record -e kfunc to trace a custom trace point
You may also want to adapt some of Brendan's one liners: http://www.brendangregg.com/perf.html -Andi -- a...@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/