[PATCH 29/53] perf tools: Make ordered_events reusable
From: Wang Nan <hidden>
Date: 2016-01-11 14:09:06
Also in:
lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
ordered_events__free() leaves linked lists and timestamps not cleared. Introduce ordered_events__reset() to reinit ordered_events so it can be reused again. Signed-off-by: Wang Nan <redacted> Signed-off-by: He Kuang <redacted> Cc: Arnaldo Carvalho de Melo <redacted> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <redacted> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Zefan Li <redacted> Cc: pi3orama@163.com --- tools/perf/util/ordered-events.c | 9 +++++++++ tools/perf/util/ordered-events.h | 1 + tools/perf/util/session.c | 4 ++-- 3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index b1b9e23..81daada 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c@@ -308,3 +308,12 @@ void ordered_events__free(struct ordered_events *oe) free(event); } } + +void ordered_events__reset(struct ordered_events *oe) +{ + ordered_events__deliver_t old_deliver = oe->deliver; + + ordered_events__free(oe); + memset(oe, '\0', sizeof(*oe)); + ordered_events__init(oe, old_deliver); +}
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
index f403991..77e0f1b 100644
--- a/tools/perf/util/ordered-events.h
+++ b/tools/perf/util/ordered-events.h@@ -49,6 +49,7 @@ void ordered_events__delete(struct ordered_events *oe, struct ordered_event *eve int ordered_events__flush(struct ordered_events *oe, enum oe_flush how); void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver); void ordered_events__free(struct ordered_events *oe); +void ordered_events__reset(struct ordered_events *oe); static inline void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index d5636ba..96e10d2 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c@@ -1701,7 +1701,7 @@ done: out_err: free(buf); perf_session__warn_about_errors(session); - ordered_events__free(&session->ordered_events); + ordered_events__reset(&session->ordered_events); auxtrace__free_events(session); return err; }
@@ -1857,7 +1857,7 @@ out: out_err: ui_progress__finish(); perf_session__warn_about_errors(session); - ordered_events__free(&session->ordered_events); + ordered_events__reset(&session->ordered_events); auxtrace__free_events(session); session->one_mmap = false; return err;
--
1.8.3.4