Add perf_mmap__init() function to initialize 'struct perf_mmap' objects.
Add it to a new mmap.c source file, that will carry all the mmap related
functions.
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/20191007125344.14268-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
libperf-y += threadmap.o
libperf-y += evsel.o
libperf-y += evlist.o
+libperf-y += mmap.o
libperf-y += zalloc.o
libperf-y += xyarray.o
libperf-y += lib.o
char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
};
+void perf_mmap__init(struct perf_mmap *map, bool overwrite);
+
#endif /* __LIBPERF_INTERNAL_MMAP_H */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+#include <internal/mmap.h>
+
+void perf_mmap__init(struct perf_mmap *map, bool overwrite)
+{
+ map->fd = -1;
+ map->overwrite = overwrite;
+ refcount_set(&map->refcnt, 0);
+}
return NULL;
for (i = 0; i < evlist->core.nr_mmaps; i++) {
- map[i].core.fd = -1;
- map[i].core.overwrite = overwrite;
/*
* When the perf_mmap() call is made we grab one refcount, plus
* one extra to let perf_mmap__consume() get the last
* Each PERF_EVENT_IOC_SET_OUTPUT points to this mmap and
* thus does perf_mmap__get() on it.
*/
- refcount_set(&map[i].core.refcnt, 0);
+ perf_mmap__init(&map[i].core, overwrite);
}
+
return map;
}