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This: This reverts commit 92723ea0f11d92496687db8c9725248e9d1e5e1d. # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRRRR FAILED! # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRRRR FAILED! # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRRR FAILED! # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRRRRRRRRR Ok # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRR FAILED! # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRR Ok # perf test 91 91: perf stat --bpf-counters test :RRRRRRRRRRRRRRR Ok yep, it seems the perf bench is broken so the counts won't correlated if I revert this one: 92723ea0f11d perf bench: Fix two memory leaks detected with ASan it works for me again.. it seems to break -t option [root@dell-r440-01 perf]# ./perf bench sched messaging -g 1 -l 100 -t # Running 'sched/messaging' benchmark: RRRperf: CLIENT: ready write: Bad file descriptor Rperf: SENDER: write: Bad file descriptor Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Ian Rogers <irogers@google.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Sohaib Mohamed <sohaib.amhmd@gmail.com> Cc: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/lkml/YZev7KClb%2Fud43Lc@krava/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>