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| author | Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> | 2022-01-17 21:34:31 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-02-10 16:26:31 -0300 |
| commit | 610fbc016531b7a09dcc98febd2a8f4a0cdd3190 (patch) | |
| tree | ee201d0523c8dbfb63c2231abeedf528d6f04ee8 /tools/perf/builtin-record.c | |
| parent | 75f5f1fcb9c0f0f542f44d993de18047b2b7f37f (diff) | |
| download | lwn-610fbc016531b7a09dcc98febd2a8f4a0cdd3190.tar.gz lwn-610fbc016531b7a09dcc98febd2a8f4a0cdd3190.zip | |
perf record: Introduce data transferred and compressed stats
Introduce bytes_transferred and bytes_compressed stats so they
would capture statistics for the related data buffer transfers.
Reviewed-by: Riccardo Mancini <rickyman7@gmail.com>
Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Riccardo Mancini <rickyman7@gmail.com>
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>
Link: https://lore.kernel.org/r/b5d598034c507dfb7544d2125500280b7d434764.1642440724.git.alexey.v.bayduraev@linux.intel.com
[ Use PRiu64 to print u64 values, fixing the build on 32-bit architectures ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 7d0338b5a0e3..d19d0639c3f1 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -111,6 +111,8 @@ struct record_thread { unsigned long long samples; unsigned long waking; u64 bytes_written; + u64 bytes_transferred; + u64 bytes_compressed; }; static __thread struct record_thread *thread; @@ -1407,8 +1409,13 @@ static size_t zstd_compress(struct perf_session *session, struct mmap *map, compressed = zstd_compress_stream_to_records(zstd_data, dst, dst_size, src, src_size, max_record_size, process_comp_header); - session->bytes_transferred += src_size; - session->bytes_compressed += compressed; + if (map && map->file) { + thread->bytes_transferred += src_size; + thread->bytes_compressed += compressed; + } else { + session->bytes_transferred += src_size; + session->bytes_compressed += compressed; + } return compressed; } @@ -2098,8 +2105,20 @@ static int record__stop_threads(struct record *rec) for (t = 1; t < rec->nr_threads; t++) record__terminate_thread(&thread_data[t]); - for (t = 0; t < rec->nr_threads; t++) + for (t = 0; t < rec->nr_threads; t++) { rec->samples += thread_data[t].samples; + if (!record__threads_enabled(rec)) + continue; + rec->session->bytes_transferred += thread_data[t].bytes_transferred; + rec->session->bytes_compressed += thread_data[t].bytes_compressed; + pr_debug("threads[%d]: samples=%lld, wakes=%ld, ", thread_data[t].tid, + thread_data[t].samples, thread_data[t].waking); + if (thread_data[t].bytes_transferred && thread_data[t].bytes_compressed) + pr_debug("transferred=%" PRIu64 ", compressed=%" PRIu64 "\n", + thread_data[t].bytes_transferred, thread_data[t].bytes_compressed); + else + pr_debug("written=%" PRIu64 "\n", thread_data[t].bytes_written); + } return 0; } |