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| author |   Alexey Budankov <alexey.budankov@linux.intel.com> | 2019-03-18 20:42:19 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-05-15 16:36:49 -0300 |
| commit | 51255a8af7c41c876c2d715a35ab03c13302a607 (patch) | |
| tree | 1e9f55e736eae22639f35ca94d7defc15e67dfdc /tools/perf/util/mmap.h | |
| parent | perf record: Implement COMPRESSED event record and its attributes (diff) | |
| download | linux-dev-51255a8af7c41c876c2d715a35ab03c13302a607.tar.xz linux-dev-51255a8af7c41c876c2d715a35ab03c13302a607.zip | |
perf mmap: Implement dedicated memory buffer for data compression
Implemented mmap data buffer that is used as the memory to operate
on when compressing data in case of serial trace streaming.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/49b31321-0f70-392b-9a4f-649d3affe090@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/mmap.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h index b82f8c2d55c4..4e2f58d95c1f 100644 --- a/tools/perf/util/mmap.h +++ b/tools/perf/util/mmap.h @@ -40,6 +40,8 @@ struct perf_mmap { #endif cpu_set_t affinity_mask; u64 flush; + void *data; + int comp_level; }; /* @@ -71,7 +73,7 @@ enum bkw_mmap_state { }; struct mmap_params { - int prot, mask, nr_cblocks, affinity, flush; + int prot, mask, nr_cblocks, affinity, flush, comp_level; struct auxtrace_mmap_params auxtrace_mp; }; |