Add documentation to perf-stat -b option, which stats event for BPF programs.
Signed-off-by: Song Liu <[email protected]> --- tools/perf/Documentation/perf-stat.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 5d4a673d7621a..15b9a646e853d 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -75,6 +75,20 @@ report:: --tid=<tid>:: stat events on existing thread id (comma separated list) +-b:: +--bpf-prog:: + stat events on existing bpf program id (comma separated list), + requiring root righs. For example: + + # perf stat -e cycles,instructions --bpf-prog 17247 --timeout 1000 + + Performance counter stats for 'BPF program(s) 17247': + + 85,967 cycles + 28,982 instructions # 0.34 insn per cycle + + 1.102235068 seconds time elapsed + ifdef::HAVE_LIBPFM[] --pfm-events events:: Select a PMU event using libpfm4 syntax (see http://perfmon2.sf.net) -- 2.24.1
