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AJvYcCWSaHAR7G7gSG1q0I20flDhBpzoRaqxRol2nKBjXuAae076O2vkX3AnjM0QeS0/51Al4wX/OLuL1ktHrBRLFBTp@vger.kernel.org X-Gm-Message-State: AOJu0YxwCUqv+AXiIxBxD/Yxe+AG5T96Sjr09u9yU2f2kbAMNs5KeThC 5Vu7pxQvsI+T4IGq6qZ8WXqCrlrS8B++lEMcrTm2sTmnauSN6R7gQ02OUaqTisJ06CoWXGSHCUF P6UQx9ozlYw== X-Google-Smtp-Source: AGHT+IEIIVLT8RvPny3ldxOSOzYu2i+t0KStGenB8Zlxi31UoojIJ+9B54z5+AojHycbg81m1BXFqNuAJvIK X-Received: from pldw5.prod.google.com ([2002:a17:902:ca05:b0:23f:fa41:1de3]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1251:b0:240:96a:b81d with SMTP id d9443c01a7336-245e02a4fd7mr11046085ad.5.1755567628966; Mon, 18 Aug 2025 18:40:28 -0700 (PDT) Date: Mon, 18 Aug 2025 18:39:36 -0700 In-Reply-To: <20250819013941.209033-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250819013941.209033-1-irogers@google.com> X-Mailer: git-send-email 2.51.0.rc1.167.g924127e9c0-goog Message-ID: <20250819013941.209033-7-irogers@google.com> Subject: [PATCH v10 06/11] perf python: Add parse_metrics function From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Xu Yang , "Masami Hiramatsu (Google)" , Collin Funk , Howard Chu , Weilin Wang , Andi Kleen , "Dr. David Alan Gilbert" , Thomas Richter , Tiezhu Yang , Gautam Menghani , Thomas Falcon , Chun-Tse Shao , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Arnaldo Carvalho de Melo Content-Type: text/plain; charset="UTF-8" Add parse_metrics function that takes a string of metrics and/or metric groups and returns the evlist containing the events and metrics. For example: ``` >>> import perf >>> perf.parse_metrics("TopdownL1") evlist([cpu/TOPDOWN.SLOTS/,cpu/topdown-retiring/,cpu/topdown-fe-bound/, cpu/topdown-be-bound/,cpu/topdown-bad-spec/,cpu/INT_MISC.CLEARS_COUNT/, cpu/INT_MISC.UOP_DROPPING/]) ``` Signed-off-by: Ian Rogers Tested-by: Arnaldo Carvalho de Melo Reviewed-by: Howard Chu --- tools/perf/util/python.c | 41 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index cf1128435022..48308ed4e1c7 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1891,6 +1891,40 @@ static PyObject *pyrf__parse_events(PyObject *self, PyObject *args) return result; } +static PyObject *pyrf__parse_metrics(PyObject *self, PyObject *args) +{ + const char *input; + struct evlist evlist = {}; + PyObject *result; + PyObject *pcpus = NULL, *pthreads = NULL; + struct perf_cpu_map *cpus; + struct perf_thread_map *threads; + int ret; + + if (!PyArg_ParseTuple(args, "s|OO", &input, &pcpus, &pthreads)) + return NULL; + + threads = pthreads ? ((struct pyrf_thread_map *)pthreads)->threads : NULL; + cpus = pcpus ? ((struct pyrf_cpu_map *)pcpus)->cpus : NULL; + + evlist__init(&evlist, cpus, threads); + ret = metricgroup__parse_groups(&evlist, /*pmu=*/"all", input, + /*metric_no_group=*/ false, + /*metric_no_merge=*/ false, + /*metric_no_threshold=*/ true, + /*user_requested_cpu_list=*/ NULL, + /*system_wide=*/true, + /*hardware_aware_grouping=*/ false); + if (ret) { + errno = -ret; + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + result = pyrf_evlist__from_evlist(&evlist); + evlist__exit(&evlist); + return result; +} + static PyMethodDef perf__methods[] = { { .ml_name = "tracepoint", @@ -1904,6 +1938,13 @@ static PyMethodDef perf__methods[] = { .ml_flags = METH_VARARGS, .ml_doc = PyDoc_STR("Parse a string of events and return an evlist.") }, + { + .ml_name = "parse_metrics", + .ml_meth = (PyCFunction) pyrf__parse_metrics, + .ml_flags = METH_VARARGS, + .ml_doc = PyDoc_STR( + "Parse a string of metics or metric groups and return an evlist.") + }, { .ml_name = "pmus", .ml_meth = (PyCFunction) pyrf__pmus, -- 2.51.0.rc1.167.g924127e9c0-goog