From: Ian Rogers <irogers@google.com>
To: Gautam Menghani <gautam@linux.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
Howard Chu <howardchu95@gmail.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Cc: maddy@linux.ibm.com
Subject: [PATCH v3 3/7] perf python: Add evsel cpus and threads functions
Date: Mon, 19 May 2025 12:51:40 -0700 [thread overview]
Message-ID: <20250519195148.1708988-4-irogers@google.com> (raw)
In-Reply-To: <20250519195148.1708988-1-irogers@google.com>
Allow access to cpus and thread_map associated with an evsel.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/python.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index f3c05da25b4a..ead3afd2d996 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -781,6 +781,27 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
return Py_None;
}
+static PyObject *pyrf_evsel__cpus(struct pyrf_evsel *pevsel)
+{
+ struct pyrf_cpu_map *pcpu_map = PyObject_New(struct pyrf_cpu_map, &pyrf_cpu_map__type);
+
+ if (pcpu_map)
+ pcpu_map->cpus = perf_cpu_map__get(pevsel->evsel.core.cpus);
+
+ return (PyObject *)pcpu_map;
+}
+
+static PyObject *pyrf_evsel__threads(struct pyrf_evsel *pevsel)
+{
+ struct pyrf_thread_map *pthread_map =
+ PyObject_New(struct pyrf_thread_map, &pyrf_thread_map__type);
+
+ if (pthread_map)
+ pthread_map->threads = perf_thread_map__get(pevsel->evsel.core.threads);
+
+ return (PyObject *)pthread_map;
+}
+
static PyObject *pyrf_evsel__str(PyObject *self)
{
struct pyrf_evsel *pevsel = (void *)self;
@@ -799,6 +820,18 @@ static PyMethodDef pyrf_evsel__methods[] = {
.ml_flags = METH_VARARGS | METH_KEYWORDS,
.ml_doc = PyDoc_STR("open the event selector file descriptor table.")
},
+ {
+ .ml_name = "cpus",
+ .ml_meth = (PyCFunction)pyrf_evsel__cpus,
+ .ml_flags = METH_NOARGS,
+ .ml_doc = PyDoc_STR("CPUs the event is to be used with.")
+ },
+ {
+ .ml_name = "threads",
+ .ml_meth = (PyCFunction)pyrf_evsel__threads,
+ .ml_flags = METH_NOARGS,
+ .ml_doc = PyDoc_STR("threads the event is to be used with.")
+ },
{ .ml_name = NULL, }
};
--
2.49.0.1101.gccaa498523-goog
next prev parent reply other threads:[~2025-05-19 19:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-19 19:51 [PATCH v3 0/7] perf python: Add missing infra pieces for counting Ian Rogers
2025-05-19 19:51 ` [PATCH v3 1/7] libperf threadmap: Don't segv for index 0 for the NULL perf_thread_map Ian Rogers
2025-05-19 19:51 ` [PATCH v3 2/7] libperf threadmap: Add perf_thread_map__idx Ian Rogers
2025-05-19 19:51 ` Ian Rogers [this message]
2025-05-19 19:51 ` [PATCH v3 4/7] perf python: Add support for perf_counts_values to return counter data Ian Rogers
2025-05-21 13:20 ` Arnaldo Carvalho de Melo
2025-05-21 13:56 ` Ian Rogers
2025-05-21 17:26 ` Arnaldo Carvalho de Melo
2025-05-22 22:20 ` Arnaldo Carvalho de Melo
2025-05-22 22:32 ` Ian Rogers
2025-05-22 22:36 ` Arnaldo Carvalho de Melo
2025-05-22 22:37 ` Arnaldo Carvalho de Melo
2025-05-23 1:28 ` Arnaldo Carvalho de Melo
2025-05-26 14:49 ` Gautam Menghani
2025-05-19 19:51 ` [PATCH v3 5/7] perf python: Add evsel read method Ian Rogers
2025-05-21 13:18 ` Arnaldo Carvalho de Melo
2025-05-19 19:51 ` [PATCH v3 6/7] perf python: Add evlist close support Ian Rogers
2025-05-19 19:51 ` [PATCH v3 7/7] perf python: Add counting.py as example for counting perf events Ian Rogers
2025-05-21 14:46 ` Arnaldo Carvalho de Melo
2025-05-21 12:27 ` [PATCH v3 0/7] perf python: Add missing infra pieces for counting Gautam Menghani
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