diff options
Diffstat (limited to 'tools/perf/lib/include/internal/mmap.h')
| -rw-r--r-- | tools/perf/lib/include/internal/mmap.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h index 5c2ca9ab12cd..bf9cc7d005ab 100644 --- a/tools/perf/lib/include/internal/mmap.h +++ b/tools/perf/lib/include/internal/mmap.h @@ -10,23 +10,28 @@ /* perf sample has 16 bits size limit */ #define PERF_SAMPLE_MAX_SIZE (1 << 16) +struct perf_mmap; + +typedef void (*libperf_unmap_cb_t)(struct perf_mmap *map); + /** * struct perf_mmap - perf's ring buffer mmap details * * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this */ struct perf_mmap { - void *base; - int mask; - int fd; - int cpu; - refcount_t refcnt; - u64 prev; - u64 start; - u64 end; - bool overwrite; - u64 flush; - char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); + void *base; + int mask; + int fd; + int cpu; + refcount_t refcnt; + u64 prev; + u64 start; + u64 end; + bool overwrite; + u64 flush; + libperf_unmap_cb_t unmap_cb; + char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); }; struct perf_mmap_param { @@ -36,10 +41,12 @@ struct perf_mmap_param { size_t perf_mmap__mmap_len(struct perf_mmap *map); -void perf_mmap__init(struct perf_mmap *map, bool overwrite); +void perf_mmap__init(struct perf_mmap *map, bool overwrite, + libperf_unmap_cb_t unmap_cb); int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp, int fd, int cpu); void perf_mmap__munmap(struct perf_mmap *map); void perf_mmap__get(struct perf_mmap *map); +void perf_mmap__put(struct perf_mmap *map); #endif /* __LIBPERF_INTERNAL_MMAP_H */ |