[PATCH 1/6] perf session: Rearrange perf_session__process_events function

From: Jiri Olsa
Date: Thu Jan 10 2019 - 05:13:10 EST


To reduce function arguments and the code.

Link: http://lkml.kernel.org/n/tip-xuzuxyxqpl2n0otolfnew0o@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/util/session.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 5456c84c7dd1..ad14192db811 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1820,13 +1820,14 @@ fetch_mmaped_event(struct perf_session *session,
#define NUM_MMAPS 128
#endif

-static int __perf_session__process_events(struct perf_session *session,
- u64 data_offset, u64 data_size,
- u64 file_size)
+static int __perf_session__process_events(struct perf_session *session)
{
struct ordered_events *oe = &session->ordered_events;
struct perf_tool *tool = session->tool;
int fd = perf_data__fd(session->data);
+ u64 file_size = perf_data__size(session->data);
+ u64 data_offset = session->header.data_offset;
+ u64 data_size = session->header.data_size;
u64 head, page_offset, file_offset, file_pos, size;
int err, mmap_prot, mmap_flags, map_idx = 0;
size_t mmap_size;
@@ -1944,20 +1945,13 @@ static int __perf_session__process_events(struct perf_session *session,

int perf_session__process_events(struct perf_session *session)
{
- u64 size = perf_data__size(session->data);
- int err;
-
if (perf_session__register_idle_thread(session) < 0)
return -ENOMEM;

- if (!perf_data__is_pipe(session->data))
- err = __perf_session__process_events(session,
- session->header.data_offset,
- session->header.data_size, size);
- else
- err = __perf_session__process_pipe_events(session);
+ if (perf_data__is_pipe(session->data))
+ return __perf_session__process_pipe_events(session);

- return err;
+ return __perf_session__process_events(session);
}

bool perf_session__has_traces(struct perf_session *session, const char *msg)
--
2.17.2