Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 08/11] perf data: Add support for setting ordered_events queue size | Date | Fri, 20 Feb 2015 23:17:05 +0100 |
| |
Adding support to limit the size of ordered_events queue, so we could control allocation size of perf data files without proper finished round events.
Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/data-convert-bt.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c index 3d73e51ee10d..ddecce88bf6d 100644 --- a/tools/perf/util/data-convert-bt.c +++ b/tools/perf/util/data-convert-bt.c @@ -74,6 +74,9 @@ struct convert { u64 events_size; u64 events_count; + + /* Ordered events configured queue size. */ + u64 queue_size; }; static int value_set(struct bt_ctf_field_type *type, @@ -966,6 +969,18 @@ static void ctf_writer__flush_streams(struct ctf_writer *cw) ctf_stream__flush(cw->stream[cpu]); } +static int convert__config(const char *var, const char *value, void *cb) +{ + struct convert *c = cb; + + if (!strcmp(var, "convert.queue-size")) { + c->queue_size = perf_config_u64(var, value); + return 0; + } + + return perf_default_config(var, value, cb); +} + int bt_convert__perf2ctf(const char *input, const char *path) { struct perf_session *session; @@ -991,6 +1006,8 @@ int bt_convert__perf2ctf(const char *input, const char *path) struct ctf_writer *cw = &c.writer; int err = -1; + perf_config(convert__config, &c); + /* CTF writer */ if (ctf_writer__init(cw, path)) return -1; @@ -1000,6 +1017,11 @@ int bt_convert__perf2ctf(const char *input, const char *path) if (!session) goto free_writer; + if (c.queue_size) { + ordered_events__set_alloc_size(&session->ordered_events, + c.queue_size); + } + /* CTF writer env/clock setup */ if (ctf_writer__setup_env(cw, session)) goto free_session; -- 1.9.3
| |