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perf python: Add PMU argument to parse_metrics

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Add an optional PMU argument to parse_metrics to allow restriction of
the particular metrics to be opened. If no argument is provided then
all metrics with the given name/group are opened

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Gautam Menghani <gautam@linux.ibm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-10-16 15:22:27 -07:00 committed by Namhyung Kim
parent a3ef39eb97
commit 5960aab556
1 changed files with 3 additions and 3 deletions
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6
tools/perf/util/python.c
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@ -2051,7 +2051,7 @@ static PyObject *pyrf__parse_events(PyObject *self, PyObject *args)
static PyObject *pyrf__parse_metrics(PyObject *self, PyObject *args)
{
const char *input;
const char *input, *pmu = NULL;
struct evlist evlist = {};
PyObject *result;
PyObject *pcpus = NULL, *pthreads = NULL;
@ -2059,14 +2059,14 @@ static PyObject *pyrf__parse_metrics(PyObject *self, PyObject *args)
struct perf_thread_map *threads;
int ret;
if (!PyArg_ParseTuple(args, "s|OO", &input, &pcpus, &pthreads))
if (!PyArg_ParseTuple(args, "s|sOO", &input, &pmu, &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,
ret = metricgroup__parse_groups(&evlist, pmu ?: "all", input,
/*metric_no_group=*/ false,
/*metric_no_merge=*/ false,
/*metric_no_threshold=*/ true,