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authorJiri Olsa <jolsa@kernel.org>2015-04-18 17:50:17 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-04-29 10:37:48 -0300
commit8fa46753fe2ca96b0fc175efb6c9ed5c001fb554 (patch)
treed715f657fe8da9e70a5879451bef863f24466c99
parent89e5fa884df8cd72e81c3727cf1f0d1c7a9c7641 (diff)
perf data: Add support for setting ordered_events queue size
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. Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1429372220-6406-5-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/data-convert-bt.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 4f942b37067b..b35c8d6c291d 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,
@@ -968,6 +971,18 @@ static int ctf_writer__flush_streams(struct ctf_writer *cw)
return ret;
}
+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, bool force)
{
struct perf_session *session;
@@ -994,6 +1009,8 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force)
struct ctf_writer *cw = &c.writer;
int err = -1;
+ perf_config(convert__config, &c);
+
/* CTF writer */
if (ctf_writer__init(cw, path))
return -1;
@@ -1003,6 +1020,11 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force)
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;