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Sat, 27 May 2023 00:23:17 -0700 (PDT) Date: Sat, 27 May 2023 00:21:55 -0700 In-Reply-To: <20230527072210.2900565-1-irogers@google.com> Message-Id: <20230527072210.2900565-20-irogers@google.com> Mime-Version: 1.0 References: <20230527072210.2900565-1-irogers@google.com> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Subject: [PATCH v5 19/34] perf evsel: Compute is_hybrid from PMU being core From: Ian Rogers To: Suzuki K Poulose , Mike Leach , Leo Yan , John Garry , Will Deacon , James Clark , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Kajol Jain , Jing Zhang , Kan Liang , Zhengjun Xing , Ravi Bangoria , Madhavan Srinivasan , Athira Rajeev , Ming Wang , Huacai Chen , Sandipan Das , Dmitrii Dolgov <9erthalion6@gmail.com>, Sean Christopherson , Ali Saidi , Rob Herring , Thomas Richter , Kang Minchul , 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-20230527_002319_281510_57E3DF95 X-CRM114-Status: GOOD ( 15.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Short-cut when has_hybrid is false, otherwise return if the evsel's PMU is core. Add a comment for the some what surprising no PMU cases of hardware and legacy cache events. Signed-off-by: Ian Rogers Reviewed-by: Kan Liang --- tools/perf/util/evsel.c | 12 ++++++++++-- tools/perf/util/python.c | 5 +++++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1df8f967d2eb..1c6e22e3f345 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -46,8 +46,8 @@ #include "memswap.h" #include "util.h" #include "util/hashmap.h" -#include "pmu-hybrid.h" #include "off_cpu.h" +#include "pmu.h" #include "../perf-sys.h" #include "util/parse-branch-options.h" #include "util/bpf-filter.h" @@ -3132,9 +3132,17 @@ void evsel__zero_per_pkg(struct evsel *evsel) } } +/** + * evsel__is_hybrid - does the evsel have a known PMU that is hybrid. Note, this + * will be false on hybrid systems for hardware and legacy + * cache events. + */ bool evsel__is_hybrid(const struct evsel *evsel) { - return evsel->pmu_name && perf_pmu__is_hybrid(evsel->pmu_name); + if (!perf_pmu__has_hybrid()) + return false; + + return evsel->core.is_pmu_core; } struct evsel *evsel__leader(const struct evsel *evsel) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 3c1f4c979c9e..b27b27086422 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -102,6 +102,11 @@ int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, return EOF; } +bool perf_pmu__has_hybrid(void) +{ + return false; +} + bool evsel__is_aux_event(const struct evsel *evsel __maybe_unused) { return false; -- 2.41.0.rc0.172.g3f132b7071-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel