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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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2
tools/perf/lib/include/internal/mmap.h
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@@ -49,4 +49,6 @@ void perf_mmap__munmap(struct perf_mmap *map);
void perf_mmap__get(struct perf_mmap *map);
void perf_mmap__put(struct perf_mmap *map);
u64 perf_mmap__read_head(struct perf_mmap *map);
#endif /* __LIBPERF_INTERNAL_MMAP_H */

11
tools/perf/lib/include/perf/mmap.h Normal file
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@@ -0,0 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_MMAP_H
#define __LIBPERF_MMAP_H
#include <perf/core.h>
struct perf_mmap;
LIBPERF_API void perf_mmap__consume(struct perf_mmap *map);
#endif /* __LIBPERF_MMAP_H */