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libperf: Add 'struct perf_mmap_param'

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Add libperf's version of mmap params 'struct perf_mmap_param' object
with the basics: 'prot' and 'mask'.  Encapsulate it in the current
'struct mmap_params' object.

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/20191007125344.14268-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-10-07 14:53:10 +02:00
committed by Arnaldo Carvalho de Melo
parent 353120b48d
commit e440979faf
4 changed files with 18 additions and 8 deletions
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5
tools/perf/lib/include/internal/mmap.h
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@@ -29,6 +29,11 @@ struct perf_mmap {
char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
};
struct perf_mmap_param {
int prot;
int mask;
};
void perf_mmap__init(struct perf_mmap *map, bool overwrite);
#endif /* __LIBPERF_INTERNAL_MMAP_H */