diff options
| author | Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> | 2022-01-17 21:34:30 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-02-10 22:26:24 +0300 |
| commit | 75f5f1fcb9c0f0f542f44d993de18047b2b7f37f (patch) | |
| tree | 0b57bf314eaf35495a7366a64277d7bdb764fcac /tools/perf/util/mmap.c | |
| parent | ae9c7242b29fa2976c70b5b250f8942cf7289211 (diff) | |
| download | linux-75f5f1fcb9c0f0f542f44d993de18047b2b7f37f.tar.xz | |
perf record: Introduce compressor at mmap buffer object
Introduce compressor object into mmap object so it could be used to
pack the data stream from the corresponding kernel data buffer.
Initialize and make use of the introduced per mmap compressor.
Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Namhyung Kim <namhyung@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Budankov <abudankov@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Link: https://lore.kernel.org/r/80edc286cf6543139a7d5a91217605123aa0b50d.1642440724.git.alexey.v.bayduraev@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/mmap.c')
| -rw-r--r-- | tools/perf/util/mmap.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c index 0e8ff8d1e206..4cb5f2f159cc 100644 --- a/tools/perf/util/mmap.c +++ b/tools/perf/util/mmap.c @@ -230,6 +230,10 @@ void mmap__munmap(struct mmap *map) { bitmap_free(map->affinity_mask.bits); +#ifndef PYTHON_PERF + zstd_fini(&map->zstd_data); +#endif + perf_mmap__aio_munmap(map); if (map->data != NULL) { munmap(map->data, mmap__mmap_len(map)); @@ -292,6 +296,12 @@ int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu map->core.flush = mp->flush; map->comp_level = mp->comp_level; +#ifndef PYTHON_PERF + if (zstd_init(&map->zstd_data, map->comp_level)) { + pr_debug2("failed to init mmap commpressor, error %d\n", errno); + return -1; + } +#endif if (map->comp_level && !perf_mmap__aio_enabled(map)) { map->data = mmap(NULL, mmap__mmap_len(map), PROT_READ|PROT_WRITE, |