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perf python: Add evlist.config to set up record options

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Add access to evlist__config that is used to configure an evlist with
record options.

Reviewed-by: Howard Chu <howardchu95@gmail.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20250228222308.626803-11-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers
2025-02-28 14:23:07 -08:00
committed by Namhyung Kim
parent 1a8356fbf8
commit 0dfcc7c86c
1 changed files with 33 additions and 0 deletions
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33
tools/perf/util/python.c
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@@ -9,10 +9,12 @@
#include <event-parse.h>
#endif
#include <perf/mmap.h>
#include "callchain.h"
#include "evlist.h"
#include "evsel.h"
#include "event.h"
#include "print_binary.h"
#include "record.h"
#include "strbuf.h"
#include "thread_map.h"
#include "trace-event.h"
@@ -1052,6 +1054,31 @@ static PyObject *pyrf_evlist__open(struct pyrf_evlist *pevlist,
return Py_None;
}
static PyObject *pyrf_evlist__config(struct pyrf_evlist *pevlist)
{
struct record_opts opts = {
.sample_time = true,
.mmap_pages = UINT_MAX,
.user_freq = UINT_MAX,
.user_interval = ULLONG_MAX,
.freq = 4000,
.target = {
.uses_mmap = true,
.default_per_cpu = true,
},
.nr_threads_synthesize = 1,
.ctl_fd = -1,
.ctl_fd_ack = -1,
.no_buffering = true,
.no_inherit = true,
};
struct evlist *evlist = &pevlist->evlist;
evlist__config(evlist, &opts, &callchain_param);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *pyrf_evlist__disable(struct pyrf_evlist *pevlist)
{
evlist__disable(&pevlist->evlist);
@@ -1109,6 +1136,12 @@ static PyMethodDef pyrf_evlist__methods[] = {
.ml_flags = METH_VARARGS | METH_KEYWORDS,
.ml_doc = PyDoc_STR("reads an event.")
},
{
.ml_name = "config",
.ml_meth = (PyCFunction)pyrf_evlist__config,
.ml_flags = METH_NOARGS,
.ml_doc = PyDoc_STR("Apply default record options to the evlist.")
},
{
.ml_name = "disable",
.ml_meth = (PyCFunction)pyrf_evlist__disable,