libperf: Adopt perf_mmap__consume() function from tools/perf

Move perf_mmap__consume() vrom tools/perf to libperf and export it in
the perf/mmap.h header.

Move also the needed helpers perf_mmap__write_tail(),
perf_mmap__read_head() and perf_mmap__empty().

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191007125344.14268-10-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-10-07 14:53:17 +02:00
committed by Arnaldo Carvalho de Melo
parent 1d40ae4e17
commit 7728fa0cfa
23 changed files with 87 additions and 54 deletions

View File

@@ -6,6 +6,7 @@
#include <linux/err.h>
#include <perf/cpumap.h>
#include <traceevent/event-parse.h>
#include <perf/mmap.h>
#include "evlist.h"
#include "callchain.h"
#include "evsel.h"
@@ -1045,7 +1046,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
err = perf_evsel__parse_sample(evsel, event, &pevent->sample);
/* Consume the even only after we parsed it out. */
perf_mmap__consume(md);
perf_mmap__consume(&md->core);
if (err)
return PyErr_Format(PyExc_OSError,