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AJvYcCW5wWBUviPIJIGQJp7UneKhEvbTv+TyzkKT3EGvu15S+6i+ZZcPj8HtCM/QG5uGHkKgABhvCuND6KgKNrU=@vger.kernel.org X-Gm-Message-State: AOJu0YxwluPoD7+el+LsTkwyA72yI1R5SXSGJYwdr1qoaHWIxxr5pJt1 IGlfSbmm3nRGhXbGaCCxo44GQghFd2WcQRcAeNxzpMlW/Odw+Ue2Q8I99OvWhnyrNWzIRSbkl0G SDlm7/p9AIA== 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-kernel@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-Transfer-Encoding: quoted-printable 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; } =20 +static PyObject *pyrf__parse_metrics(PyObject *self, PyObject *args) +{ + const char *input; + struct evlist evlist =3D {}; + PyObject *result; + PyObject *pcpus =3D NULL, *pthreads =3D 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 =3D pthreads ? ((struct pyrf_thread_map *)pthreads)->threads : NU= LL; + cpus =3D pcpus ? ((struct pyrf_cpu_map *)pcpus)->cpus : NULL; + + evlist__init(&evlist, cpus, threads); + ret =3D metricgroup__parse_groups(&evlist, /*pmu=3D*/"all", input, + /*metric_no_group=3D*/ false, + /*metric_no_merge=3D*/ false, + /*metric_no_threshold=3D*/ true, + /*user_requested_cpu_list=3D*/ NULL, + /*system_wide=3D*/true, + /*hardware_aware_grouping=3D*/ false); + if (ret) { + errno =3D -ret; + PyErr_SetFromErrno(PyExc_OSError); + return NULL; + } + result =3D pyrf_evlist__from_evlist(&evlist); + evlist__exit(&evlist); + return result; +} + static PyMethodDef perf__methods[] =3D { { .ml_name =3D "tracepoint", @@ -1904,6 +1938,13 @@ static PyMethodDef perf__methods[] =3D { .ml_flags =3D METH_VARARGS, .ml_doc =3D PyDoc_STR("Parse a string of events and return an evlist.") }, + { + .ml_name =3D "parse_metrics", + .ml_meth =3D (PyCFunction) pyrf__parse_metrics, + .ml_flags =3D METH_VARARGS, + .ml_doc =3D PyDoc_STR( + "Parse a string of metics or metric groups and return an evlist.") + }, { .ml_name =3D "pmus", .ml_meth =3D (PyCFunction) pyrf__pmus, --=20 2.51.0.rc1.167.g924127e9c0-goog