Message ID | 20230526215410.2435674-18-irogers@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Fri, 26 May 2023 14:54:52 -0700 (PDT) Date: Fri, 26 May 2023 14:53:52 -0700 In-Reply-To: <20230526215410.2435674-1-irogers@google.com> Message-Id: <20230526215410.2435674-18-irogers@google.com> Mime-Version: 1.0 References: <20230526215410.2435674-1-irogers@google.com> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Subject: [PATCH v4 17/35] perf pmu: Rewrite perf_pmu__has_hybrid to avoid list From: Ian Rogers <irogers@google.com> To: Suzuki K Poulose <suzuki.poulose@arm.com>, Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>, John Garry <john.g.garry@oracle.com>, Will Deacon <will@kernel.org>, James Clark <james.clark@arm.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, Kajol Jain <kjain@linux.ibm.com>, Jing Zhang <renyu.zj@linux.alibaba.com>, Kan Liang <kan.liang@linux.intel.com>, Zhengjun Xing <zhengjun.xing@linux.intel.com>, Ravi Bangoria <ravi.bangoria@amd.com>, Madhavan Srinivasan <maddy@linux.ibm.com>, Athira Rajeev <atrajeev@linux.vnet.ibm.com>, Ming Wang <wangming01@loongson.cn>, Huacai Chen <chenhuacai@kernel.org>, Sandipan Das <sandipan.das@amd.com>, Dmitrii Dolgov <9erthalion6@gmail.com>, Sean Christopherson <seanjc@google.com>, Ali Saidi <alisaidi@amazon.com>, Rob Herring <robh@kernel.org>, Thomas Richter <tmricht@linux.ibm.com>, Kang Minchul <tegongkang@gmail.com>, linux-kernel@vger.kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230526_225453_508930_A87E308E X-CRM114-Status: GOOD ( 14.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
PMU refactoring and improvements
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expand
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diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 83c7eeb8abea..5a7bfbf621d0 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -60,8 +60,6 @@ struct perf_pmu_format { struct list_head list; }; -static bool hybrid_scanned; - static struct perf_pmu *perf_pmu__find2(int dirfd, const char *name); /* @@ -2013,12 +2011,20 @@ void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config, bool perf_pmu__has_hybrid(void) { + static bool hybrid_scanned, has_hybrid; + if (!hybrid_scanned) { + struct perf_pmu *pmu = NULL; + + while ((pmu = perf_pmu__scan(pmu)) != NULL) { + if (pmu->is_core && is_pmu_hybrid(pmu->name)) { + has_hybrid = true; + break; + } + } hybrid_scanned = true; - perf_pmu__scan(NULL); } - - return !list_empty(&perf_pmu__hybrid_pmus); + return has_hybrid; } int perf_pmu__match(char *pattern, char *name, char *tok)