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authorAlexey Bayduraev <alexey.v.bayduraev@linux.intel.com>2022-01-17 21:34:31 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-02-10 16:26:31 -0300
commit610fbc016531b7a09dcc98febd2a8f4a0cdd3190 (patch)
treeee201d0523c8dbfb63c2231abeedf528d6f04ee8 /tools/perf/builtin-record.c
parentperf record: Introduce compressor at mmap buffer object (diff)
downloadlinux-dev-610fbc016531b7a09dcc98febd2a8f4a0cdd3190.tar.xz
linux-dev-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.c25
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;
}