diff options
author | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
commit | fdff7c21ea00787e3f70a1a00b40b88eb998c6ad (patch) | |
tree | 03016a8375e849e2c39dec8a15d660055bb16a8c /tools/perf/lib/include/internal/mmap.h | |
parent | f1ec3a517b4352e78dbef6b1e591f43202ecb3fe (diff) | |
parent | b3a6082223369203d7e7db7e81253ac761377644 (diff) |
Merge branch 'linus' into perf/urgent, to synchronize with upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/lib/include/internal/mmap.h')
-rw-r--r-- | tools/perf/lib/include/internal/mmap.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h deleted file mode 100644 index be7556e0a2b2..000000000000 --- a/tools/perf/lib/include/internal/mmap.h +++ /dev/null @@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LIBPERF_INTERNAL_MMAP_H -#define __LIBPERF_INTERNAL_MMAP_H - -#include <linux/compiler.h> -#include <linux/refcount.h> -#include <linux/types.h> -#include <stdbool.h> - -/* 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; - libperf_unmap_cb_t unmap_cb; - char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); - struct perf_mmap *next; -}; - -struct perf_mmap_param { - int prot; - int mask; -}; - -size_t perf_mmap__mmap_len(struct perf_mmap *map); - -void perf_mmap__init(struct perf_mmap *map, struct perf_mmap *prev, - 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); - -u64 perf_mmap__read_head(struct perf_mmap *map); - -#endif /* __LIBPERF_INTERNAL_MMAP_H */ |