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| author | Jiri Olsa <jolsa@kernel.org> | 2019-10-17 12:59:09 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-19 20:35:01 +0200 |
| commit | 6eb65f7a5cc553f5dffb5cea3a874f1087524d99 (patch) | |
| tree | 0a51ce3888aae612aeba90891f78c261fc0c361c /tools/perf/lib/mmap.c | |
| parent | perf tests: Disable bp_signal testing for arm64 (diff) | |
| download | linux-6eb65f7a5cc553f5dffb5cea3a874f1087524d99.tar.xz linux-6eb65f7a5cc553f5dffb5cea3a874f1087524d99.zip | |
libperf: Introduce perf_evlist__for_each_mmap()
Add the perf_evlist__for_each_mmap() function and export it in the
perf/evlist.h header, so that the user can iterate through 'struct
perf_mmap' objects.
Add a internal perf_mmap__link() function to do the actual linking.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20191017105918.20873-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib/mmap.c')
| -rw-r--r-- | tools/perf/lib/mmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c index 0752c193b0fb..79d5ed6c38cc 100644 --- a/tools/perf/lib/mmap.c +++ b/tools/perf/lib/mmap.c @@ -13,13 +13,15 @@ #include <linux/kernel.h> #include "internal.h" -void perf_mmap__init(struct perf_mmap *map, bool overwrite, - libperf_unmap_cb_t unmap_cb) +void perf_mmap__init(struct perf_mmap *map, struct perf_mmap *prev, + bool overwrite, libperf_unmap_cb_t unmap_cb) { map->fd = -1; map->overwrite = overwrite; map->unmap_cb = unmap_cb; refcount_set(&map->refcnt, 0); + if (prev) + prev->next = map; } size_t perf_mmap__mmap_len(struct perf_mmap *map) |