Messages in this thread Patch in this message | | | Date | Mon, 11 Jan 2016 18:33:20 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 29/53] perf tools: Make ordered_events reusable |
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Em Mon, Jan 11, 2016 at 01:48:20PM +0000, Wang Nan escreveu: > ordered_events__free() leaves linked lists and timestamps not cleared. > Introduce ordered_events__reset() to reinit ordered_events so it can > be reused again.
Reused where? Can you mention the usecase?
Do we have to introduce a new function? Why not just make ordered_events__free() to get the state to what was after ordered_events__init()?
- Arnaldo > Signed-off-by: Wang Nan <wangnan0@huawei.com> > Signed-off-by: He Kuang <hekuang@huawei.com> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > Cc: Jiri Olsa <jolsa@kernel.org> > Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> > Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Zefan Li <lizefan@huawei.com> > 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
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