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perf record: Introduce data transferred and compressed stats

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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>
This commit is contained in:
Alexey Bayduraev 2022-01-17 21:34:31 +03:00 committed by Arnaldo Carvalho de Melo
parent 75f5f1fcb9
commit 610fbc0165
1 changed files with 22 additions and 3 deletions
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25
tools/perf/builtin-record.c
View file

@ -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;
}