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author | 2019-01-10 11:41:59 -0800 | |
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committer | 2019-01-10 11:41:59 -0800 | |
commit | 49e41801b335f64610bbfd23e8f2bbaf34d46276 (patch) | |
tree | 4fbedacd1de1bbd4054f07f93031aebcb7b7a919 /tools/perf/util/mmap.h | |
parent | security: integrity: partial revert of make ima_main explicitly non-modular (diff) | |
parent | Linux 5.0-rc1 (diff) | |
download | linux-dev-49e41801b335f64610bbfd23e8f2bbaf34d46276.tar.xz linux-dev-49e41801b335f64610bbfd23e8f2bbaf34d46276.zip |
Merge tag 'v5.0-rc1' into next-general
Linux 5.0-rc1
Sync to pick up LSM stacking work (which is based on -rc1).
Diffstat (limited to 'tools/perf/util/mmap.h')
-rw-r--r-- | tools/perf/util/mmap.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h index cc5e2d6d17a9..aeb6942fdb00 100644 --- a/tools/perf/util/mmap.h +++ b/tools/perf/util/mmap.h @@ -6,9 +6,13 @@ #include <linux/types.h> #include <linux/ring_buffer.h> #include <stdbool.h> +#ifdef HAVE_AIO_SUPPORT +#include <aio.h> +#endif #include "auxtrace.h" #include "event.h" +struct aiocb; /** * struct perf_mmap - perf's ring buffer mmap details * @@ -26,6 +30,14 @@ struct perf_mmap { bool overwrite; struct auxtrace_mmap auxtrace_mmap; char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); +#ifdef HAVE_AIO_SUPPORT + struct { + void **data; + struct aiocb *cblocks; + struct aiocb **aiocb; + int nr_cblocks; + } aio; +#endif }; /* @@ -57,7 +69,7 @@ enum bkw_mmap_state { }; struct mmap_params { - int prot, mask; + int prot, mask, nr_cblocks; struct auxtrace_mmap_params auxtrace_mp; }; @@ -85,6 +97,18 @@ union perf_event *perf_mmap__read_event(struct perf_mmap *map); int perf_mmap__push(struct perf_mmap *md, void *to, int push(struct perf_mmap *map, void *to, void *buf, size_t size)); +#ifdef HAVE_AIO_SUPPORT +int perf_mmap__aio_push(struct perf_mmap *md, void *to, int idx, + int push(void *to, struct aiocb *cblock, void *buf, size_t size, off_t off), + off_t *off); +#else +static inline int perf_mmap__aio_push(struct perf_mmap *md __maybe_unused, void *to __maybe_unused, int idx __maybe_unused, + int push(void *to, struct aiocb *cblock, void *buf, size_t size, off_t off) __maybe_unused, + off_t *off __maybe_unused) +{ + return 0; +} +#endif size_t perf_mmap__mmap_len(struct perf_mmap *map); |