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perf python: Add evsel cpus and threads functions

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Allow access to cpus and thread_map structs associated with an evsel.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Gautam Menghani <gautam@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Howard Chu <howardchu95@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250519195148.1708988-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2025-05-19 12:51:40 -07:00 committed by Arnaldo Carvalho de Melo
parent 3ee2255c4f
commit 0589aff473
1 changed files with 33 additions and 0 deletions
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33
tools/perf/util/python.c
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@ -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, }
};