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

@@ -15,6 +15,7 @@
#include "util/mmap.h"
#include "util/thread_map.h"
#include <perf/evlist.h>
#include <perf/mmap.h>
#define NR_LOOPS 10000000
@@ -117,7 +118,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
total_periods += sample.period;
nr_samples++;
next_event:
perf_mmap__consume(md);
perf_mmap__consume(&md->core);
}
perf_mmap__read_done(md);