diff options
Diffstat (limited to 'tools/perf/util/mmap.c')
-rw-r--r-- | tools/perf/util/mmap.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c index 2fbe4c8a02d2..074c4fd3b67e 100644 --- a/tools/perf/util/mmap.c +++ b/tools/perf/util/mmap.c @@ -235,16 +235,13 @@ static int overwrite_rb_find_range(void *buf, int mask, u64 head, u64 *start, u6 /* * Report the start and end of the available data in ringbuffer */ -int perf_mmap__read_init(struct perf_mmap *md, bool overwrite, - u64 *startp, u64 *endp) +int perf_mmap__read_init(struct perf_mmap *md) { u64 head = perf_mmap__read_head(md); u64 old = md->prev; unsigned char *data = md->base + page_size; unsigned long size; - *startp = overwrite ? head : old; - *endp = overwrite ? old : head; md->start = md->overwrite ? head : old; md->end = md->overwrite ? old : head; @@ -267,8 +264,6 @@ int perf_mmap__read_init(struct perf_mmap *md, bool overwrite, */ if (overwrite_rb_find_range(data, md->mask, head, &md->start, &md->end)) return -EINVAL; - *startp = md->start; - *endp = md->end; } return 0; @@ -278,13 +273,12 @@ int perf_mmap__push(struct perf_mmap *md, void *to, int push(void *to, void *buf, size_t size)) { u64 head = perf_mmap__read_head(md); - u64 end, start; unsigned char *data = md->base + page_size; unsigned long size; void *buf; int rc = 0; - rc = perf_mmap__read_init(md, md->overwrite, &start, &end); + rc = perf_mmap__read_init(md); if (rc < 0) return (rc == -EAGAIN) ? 0 : -1; |