]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
perf evlist: Extend arch_evsel__must_be_in_group to support hybrid systems
authorZhengjun Xing <zhengjun.xing@linux.intel.com>
Wed, 1 Jun 2022 15:25:44 +0000 (23:25 +0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 3 Jun 2022 19:12:34 +0000 (21:12 +0200)
commite69a5c010246ca6a87c4e6f13d0a291954bdece8
tree0de71dc5fbab33134d56f2d60c52c51838c99074
parent9be4cbd09da820a20d400670a45fc1571f6a13b8
perf evlist: Extend arch_evsel__must_be_in_group to support hybrid systems

For the hybrid system, the "slots" event changes to "cpu_core/slots/", need
extend API arch_evsel__must_be_in_group() to support hybrid systems.

In the origin code, for hybrid system event "cpu_core/slots/", the output
of the API arch_evsel__must_be_in_group() is "false" (in fact,it should be
"true"). Currently only one API evsel__remove_from_group() calls it. In
evsel__remove_from_group(), it adds the second condition to check, so the
output of evsel__remove_from_group() still is correct. That's the reason
why there isn't an instant error. I'd like to fix the issue found in API
arch_evsel__must_be_in_group() in case someone else using the function in
the other place.

Fixes: d98079c05b5a ("perf evlist: Keep topdown counters in weak group")
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220601152544.1842447-1-zhengjun.xing@linux.intel.com
Cc: peterz@infradead.org
Cc: adrian.hunter@intel.com
Cc: alexander.shishkin@intel.com
Cc: acme@kernel.org
Cc: ak@linux.intel.com
Cc: jolsa@redhat.com
Cc: mingo@redhat.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
tools/perf/arch/x86/util/evsel.c