mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250519195148.1708988-4-irogers@google.com \
    --to=irogers@google.com \
    --cc=acme@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=gautam@linux.ibm.com \
    --cc=howardchu95@gmail.com \
    --cc=jolsa@kernel.org \
    --cc=kan.liang@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=maddy@linux.ibm.com \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®