linux-kernel - [PATCH v1 14/23] perf stat: Avoid hybrid PMU list

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Message-Id: <20230517145803.559429-15-irogers@google.com>
Date:   Wed, 17 May 2023 07:57:54 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        Ming Wang <wangming01@...ngson.cn>,
        Huacai Chen <chenhuacai@...nel.org>,
        Sandipan Das <sandipan.das@....com>,
        Dmitrii Dolgov <9erthalion6@...il.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Raul Silvera <rsilvera@...gle.com>,
        Ali Saidi <alisaidi@...zon.com>, Rob Herring <robh@...nel.org>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Kang Minchul <tegongkang@...il.com>,
        linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org
Subject: [PATCH v1 14/23] perf stat: Avoid hybrid PMU list

perf_pmu__is_hybrid implicitly uses the hybrid PMU list. Instead
return false if hybrid isn't present, if it is then see if any evsel's
PMUs are core.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/stat-display.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index ede0477d958a..164715113b9e 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -19,7 +19,7 @@
 #include <api/fs/fs.h>
 #include "util.h"
 #include "iostat.h"
-#include "pmu-hybrid.h"
+#include "pmu.h"
 
 #define CNTR_NOT_SUPPORTED	"<not supported>"
 #define CNTR_NOT_COUNTED	"<not counted>"
@@ -680,11 +680,14 @@ static bool evlist__has_hybrid(struct evlist *evlist)
 {
 	struct evsel *evsel;
 
+	if (!perf_pmu__has_hybrid())
+		return false;
+
 	evlist__for_each_entry(evlist, evsel) {
-		if (evsel->pmu_name &&
-		    perf_pmu__is_hybrid(evsel->pmu_name)) {
+		struct perf_pmu *pmu = evsel__find_pmu(evsel);
+
+		if (pmu->is_core)
 			return true;
-		}
 	}
 
 	return false;
-- 
2.40.1.606.ga4b1b128d6-goog