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authorIan Rogers <irogers@google.com>2023-08-01 07:36:31 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-08-03 22:01:27 +0200
commit714b4511114254c9cf143dd31c4d4251129fb0a5 (patch)
treefbb92e4ecb759d7af98327aa6dbc08b7f4737cd4 /tools/perf/arch/x86/util
parentperf probe: Show correct error message about @symbol usage for uprobe (diff)
downloadlinux-714b4511114254c9cf143dd31c4d4251129fb0a5.tar.xz
linux-714b4511114254c9cf143dd31c4d4251129fb0a5.zip
perf parse-events x86: Avoid sorting uops_retired.slots
As topdown.slots may appear as slots it may get confused with uops_retired.slots which is an invalid perf metric event group leader. Special case uops_retired.slots to avoid this confusion. Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20230801053634.1142634-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/x86/util')
-rw-r--r--tools/perf/arch/x86/util/evlist.c7
-rw-r--r--tools/perf/arch/x86/util/evsel.c7
2 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
index cbd582182932..b1ce0c52d88d 100644
--- a/tools/perf/arch/x86/util/evlist.c
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -75,11 +75,12 @@ int arch_evlist__add_default_attrs(struct evlist *evlist,
int arch_evlist__cmp(const struct evsel *lhs, const struct evsel *rhs)
{
- if (topdown_sys_has_perf_metrics() && evsel__sys_has_perf_metrics(lhs)) {
+ if (topdown_sys_has_perf_metrics() &&
+ (arch_evsel__must_be_in_group(lhs) || arch_evsel__must_be_in_group(rhs))) {
/* Ensure the topdown slots comes first. */
- if (strcasestr(lhs->name, "slots"))
+ if (strcasestr(lhs->name, "slots") && !strcasestr(lhs->name, "uops_retired.slots"))
return -1;
- if (strcasestr(rhs->name, "slots"))
+ if (strcasestr(rhs->name, "slots") && !strcasestr(rhs->name, "uops_retired.slots"))
return 1;
/* Followed by topdown events. */
if (strcasestr(lhs->name, "topdown") && !strcasestr(rhs->name, "topdown"))
diff --git a/tools/perf/arch/x86/util/evsel.c b/tools/perf/arch/x86/util/evsel.c
index 81d22657922a..090d0f371891 100644
--- a/tools/perf/arch/x86/util/evsel.c
+++ b/tools/perf/arch/x86/util/evsel.c
@@ -40,12 +40,11 @@ bool evsel__sys_has_perf_metrics(const struct evsel *evsel)
bool arch_evsel__must_be_in_group(const struct evsel *evsel)
{
- if (!evsel__sys_has_perf_metrics(evsel))
+ if (!evsel__sys_has_perf_metrics(evsel) || !evsel->name ||
+ strcasestr(evsel->name, "uops_retired.slots"))
return false;
- return evsel->name &&
- (strcasestr(evsel->name, "slots") ||
- strcasestr(evsel->name, "topdown"));
+ return strcasestr(evsel->name, "topdown") || strcasestr(evsel->name, "slots");
}
int arch_evsel__hw_name(struct evsel *evsel, char *bf, size_t size)