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home:dirkmueller:acdc:as_python3_module
perf.29801
perf-evlist-Extend-arch_evsel__must_be_in_group...
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File perf-evlist-Extend-arch_evsel__must_be_in_group-to-support-hybrid-systems.patch of Package perf.29801
From: Zhengjun Xing <zhengjun.xing@linux.intel.com> Date: Wed, 1 Jun 2022 23:25:44 +0800 Subject: perf evlist: Extend arch_evsel__must_be_in_group to support hybrid systems Git-commit: e69a5c010246ca6a87c4e6f13d0a291954bdece8 References: jsc#SLE-24578 (dependent patch) Signed-off-by: Tony Jones <tonyj@suse.de> 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 Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/arch/x86/util/evsel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/arch/x86/util/evsel.c b/tools/perf/arch/x86/util/evsel.c index 88306183d629..ff4561b7b600 100644 --- a/tools/perf/arch/x86/util/evsel.c +++ b/tools/perf/arch/x86/util/evsel.c @@ -57,6 +57,6 @@ bool arch_evsel__must_be_in_group(const struct evsel *evsel) return false; return evsel->name && - (!strcasecmp(evsel->name, "slots") || + (strcasestr(evsel->name, "slots") || strcasestr(evsel->name, "topdown")); }
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