Messages in this thread | | | Date | Tue, 23 Aug 2022 17:10:55 +0200 | Subject | Re: [PATCH v1 1/2] perf stat: Clear reset_group for each stat run | From | Andi Kleen <> |
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On 8/22/2022 11:33 PM, Ian Rogers wrote: > If a weak group is broken then the reset_group flag remains set for > the next run. Having reset_group set means the counter isn't created > and ultimately a segfault. > > A simple reproduction of this is: > perf stat -r2 -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}:W > which will be added as a test in the next patch. > > Fixes: 4804e0111662 ("perf stat: Use affinity for opening events") > Signed-off-by: Ian Rogers <irogers@google.com>
Makes sense
Reviewed-by: Andi Kleen <ak@linux.intel.com>
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