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Subject[PATCH 10/33] perf tools: Factor ordered_events__flush to be more generic
Date
From: Jiri Olsa <jolsa@kernel.org>

Centralizing the next_flush calculation under the ordered_events__flush
function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-srwunsy7o5wl17vpt4a10oxp@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/session.c | 47 ++++++++++++++++++++++++++++++++++++-----------
1 file changed, 36 insertions(+), 11 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index ff0188c65783..72c7b0d3d0dc 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -451,6 +451,11 @@ struct ordered_event {
struct list_head list;
};

+enum oe_flush {
+ OE_FLUSH__FINAL,
+ OE_FLUSH__ROUND,
+};
+
static void perf_session_free_sample_buffers(struct perf_session *session)
{
struct ordered_events *oe = &session->ordered_events;
@@ -564,8 +569,8 @@ static int perf_session_deliver_event(struct perf_session *session,
struct perf_tool *tool,
u64 file_offset);

-static int ordered_events__flush(struct perf_session *s,
- struct perf_tool *tool)
+static int __ordered_events__flush(struct perf_session *s,
+ struct perf_tool *tool)
{
struct ordered_events *oe = &s->ordered_events;
struct list_head *head = &oe->events;
@@ -615,6 +620,32 @@ static int ordered_events__flush(struct perf_session *s,
return 0;
}

+static int ordered_events__flush(struct perf_session *s, struct perf_tool *tool,
+ enum oe_flush how)
+{
+ struct ordered_events *oe = &s->ordered_events;
+ int err;
+
+ switch (how) {
+ case OE_FLUSH__FINAL:
+ oe->next_flush = ULLONG_MAX;
+ break;
+
+ case OE_FLUSH__ROUND:
+ default:
+ break;
+ };
+
+ err = __ordered_events__flush(s, tool);
+
+ if (!err) {
+ if (how == OE_FLUSH__ROUND)
+ oe->next_flush = oe->max_timestamp;
+ }
+
+ return err;
+}
+
/*
* When perf record finishes a pass on every buffers, it records this pseudo
* event.
@@ -658,11 +689,7 @@ static int process_finished_round(struct perf_tool *tool,
union perf_event *event __maybe_unused,
struct perf_session *session)
{
- int ret = ordered_events__flush(session, tool);
- if (!ret)
- session->ordered_events.next_flush = session->ordered_events.max_timestamp;
-
- return ret;
+ return ordered_events__flush(session, tool, OE_FLUSH__ROUND);
}

int perf_session_queue_event(struct perf_session *s, union perf_event *event,
@@ -1247,8 +1274,7 @@ more:
goto more;
done:
/* do the final flush for ordered samples */
- session->ordered_events.next_flush = ULLONG_MAX;
- err = ordered_events__flush(session, tool);
+ err = ordered_events__flush(session, tool, OE_FLUSH__FINAL);
out_err:
free(buf);
perf_session__warn_about_errors(session, tool);
@@ -1393,8 +1419,7 @@ more:

out:
/* do the final flush for ordered samples */
- session->ordered_events.next_flush = ULLONG_MAX;
- err = ordered_events__flush(session, tool);
+ err = ordered_events__flush(session, tool, OE_FLUSH__FINAL);
out_err:
ui_progress__finish();
perf_session__warn_about_errors(session, tool);
--
1.9.3


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