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| author | Jiri Olsa <jolsa@kernel.org> | 2015-04-18 17:50:17 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-04-29 10:37:48 -0300 |
| commit | 8fa46753fe2ca96b0fc175efb6c9ed5c001fb554 (patch) | |
| tree | d715f657fe8da9e70a5879451bef863f24466c99 /tools | |
| parent | 89e5fa884df8cd72e81c3727cf1f0d1c7a9c7641 (diff) | |
| download | talos-obmc-linux-8fa46753fe2ca96b0fc175efb6c9ed5c001fb554.tar.gz talos-obmc-linux-8fa46753fe2ca96b0fc175efb6c9ed5c001fb554.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/data-convert-bt.c | 22 |
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; |
