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| author | Jiri Olsa <jolsa@kernel.org> | 2019-01-10 11:13:00 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-21 15:15:57 -0300 |
| commit | 71002bd214822a15bee0f7bc033a0dbf95cf780b (patch) | |
| tree | ec4ce7a3cf4fc62160ad864115903382efdc0ad7 | |
| parent | f66f0950527cd070d2949a0133275c30e717ba9b (diff) | |
| download | lwn-71002bd214822a15bee0f7bc033a0dbf95cf780b.tar.gz lwn-71002bd214822a15bee0f7bc033a0dbf95cf780b.zip | |
perf session: Add 'data_offset' member to reader object
Add 'data_offset' member to reader object.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190110101301.6196-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/session.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 9f29ed743425..173cf445475c 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1823,6 +1823,7 @@ fetch_mmaped_event(struct perf_session *session, struct reader { int fd; u64 data_size; + u64 data_offset; }; static int __perf_session__process_events(struct perf_session *session) @@ -1830,10 +1831,10 @@ static int __perf_session__process_events(struct perf_session *session) struct reader rd = { .fd = perf_data__fd(session->data), .data_size = session->header.data_size, + .data_offset = session->header.data_offset, }; struct ordered_events *oe = &session->ordered_events; struct perf_tool *tool = session->tool; - u64 data_offset = session->header.data_offset; u64 data_size = rd.data_size; u64 head, page_offset, file_offset, file_pos, size; int err, mmap_prot, mmap_flags, map_idx = 0; @@ -1845,16 +1846,16 @@ static int __perf_session__process_events(struct perf_session *session) perf_tool__fill_defaults(tool); - page_offset = page_size * (data_offset / page_size); + page_offset = page_size * (rd.data_offset / page_size); file_offset = page_offset; - head = data_offset - page_offset; + head = rd.data_offset - page_offset; if (data_size == 0) goto out; ui_progress__init_size(&prog, data_size, "Processing events..."); - data_size += data_offset; + data_size += rd.data_offset; mmap_size = MMAP_SIZE; if (mmap_size > data_size) { |