Messages in this thread | | | Date | Tue, 22 Jun 2021 15:05:12 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v2 3/3] perf test: Make stat bpf counters test more robust |
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Em Mon, Jun 21, 2021 at 02:56:48PM -0700, Ian Rogers escreveu: > If the test is run on a hypervisor then the cycles event may not be > counted, skip the test in this situation. Fail the test if cycles are > not counted in the subsequent bpf counter run.
This one was already in,
- Arnaldo
> Signed-off-by: Ian Rogers <irogers@google.com> > --- > tools/perf/tests/shell/stat_bpf_counters.sh | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh > index 85eb689fe202..6b156dd85469 100755 > --- a/tools/perf/tests/shell/stat_bpf_counters.sh > +++ b/tools/perf/tests/shell/stat_bpf_counters.sh > @@ -31,7 +31,15 @@ if ! perf stat --bpf-counters true > /dev/null 2>&1; then > fi > > base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}') > +if [ "$base_cycles" == "<not" ]; then > + echo "Skipping: cycles event not counted" > + exit 2 > +fi > bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}') > +if [ "$bpf_cycles" == "<not" ]; then > + echo "Failed: cycles not counted with --bpf-counters" > + exit 1 > +fi > > compare_number $base_cycles $bpf_cycles > exit 0 > -- > 2.32.0.288.g62a8d224e6-goog >
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- Arnaldo
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