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Subject[tip:perf/core] perf session: Add 'data_size' member to reader object
Commit-ID:  f66f0950527cd070d2949a0133275c30e717ba9b
Gitweb: https://git.kernel.org/tip/f66f0950527cd070d2949a0133275c30e717ba9b
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Thu, 10 Jan 2019 11:12:59 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 21 Jan 2019 15:15:57 -0300

perf session: Add 'data_size' member to reader object

Add a 'data_size' member to the reader object. Keep the 'data_size'
variable instead of replacing it with rd.data_size as it will be used in
the following patch.

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/20190110101301.6196-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/session.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 06379cc87f59..9f29ed743425 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1822,17 +1822,19 @@ fetch_mmaped_event(struct perf_session *session,

struct reader {
int fd;
+ u64 data_size;
};

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,
};
struct ordered_events *oe = &session->ordered_events;
struct perf_tool *tool = session->tool;
u64 data_offset = session->header.data_offset;
- u64 data_size = session->header.data_size;
+ u64 data_size = rd.data_size;
u64 head, page_offset, file_offset, file_pos, size;
int err, mmap_prot, mmap_flags, map_idx = 0;
size_t mmap_size;
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