diff options
Diffstat (limited to 'tools/perf/lib')
| -rw-r--r-- | tools/perf/lib/include/internal/mmap.h | 2 | ||||
| -rw-r--r-- | tools/perf/lib/mmap.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h index b26806b36bb6..e7a67260940c 100644 --- a/tools/perf/lib/include/internal/mmap.h +++ b/tools/perf/lib/include/internal/mmap.h @@ -34,6 +34,8 @@ struct perf_mmap_param { int mask; }; +size_t perf_mmap__mmap_len(struct perf_mmap *map); + void perf_mmap__init(struct perf_mmap *map, bool overwrite); #endif /* __LIBPERF_INTERNAL_MMAP_H */ diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c index 3da6177510e6..cc4284da4d99 100644 --- a/tools/perf/lib/mmap.c +++ b/tools/perf/lib/mmap.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <internal/mmap.h> +#include <internal/lib.h> void perf_mmap__init(struct perf_mmap *map, bool overwrite) { @@ -7,3 +8,8 @@ void perf_mmap__init(struct perf_mmap *map, bool overwrite) map->overwrite = overwrite; refcount_set(&map->refcnt, 0); } + +size_t perf_mmap__mmap_len(struct perf_mmap *map) +{ + return map->mask + 1 + page_size; +} |