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libperf: Adopt perf_mmap__consume() function from tools/perf

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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
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3
tools/perf/tests/switch-tracking.c
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@@ -8,6 +8,7 @@
#include <linux/zalloc.h>
#include <perf/cpumap.h>
#include <perf/evlist.h>
#include <perf/mmap.h>
#include "debug.h"
#include "parse-events.h"
@@ -275,7 +276,7 @@ static int process_events(struct evlist *evlist,
while ((event = perf_mmap__read_event(md)) != NULL) {
cnt += 1;
ret = add_event(evlist, &events, event);
perf_mmap__consume(md);
perf_mmap__consume(&md->core);
if (ret < 0)
goto out_free_nodes;
}