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Implement session statedump command
[lttng-modules.git]
/
lttng-events.c
diff --git
a/lttng-events.c
b/lttng-events.c
index f2a9a8a58498f1f1a833e8ec1b97e76093391982..bcf59da1df5d8916ae7e85c01f9e5a6639743d25 100644
(file)
--- a/
lttng-events.c
+++ b/
lttng-events.c
@@
-213,6
+213,16
@@
void lttng_session_destroy(struct lttng_session *session)
kfree(session);
}
kfree(session);
}
+int lttng_session_statedump(struct lttng_session *session)
+{
+ int ret;
+
+ mutex_lock(&sessions_mutex);
+ ret = lttng_statedump_start(session);
+ mutex_unlock(&sessions_mutex);
+ return ret;
+}
+
int lttng_session_enable(struct lttng_session *session)
{
int ret = 0;
int lttng_session_enable(struct lttng_session *session)
{
int ret = 0;
@@
-244,8
+254,10
@@
int lttng_session_enable(struct lttng_session *session)
lttng_session_sync_enablers(session);
/* Clear each stream's quiescent state. */
lttng_session_sync_enablers(session);
/* Clear each stream's quiescent state. */
- list_for_each_entry(chan, &session->chan, list)
- lib_ring_buffer_clear_quiescent_channel(chan->chan);
+ list_for_each_entry(chan, &session->chan, list) {
+ if (chan->channel_type != METADATA_CHANNEL)
+ lib_ring_buffer_clear_quiescent_channel(chan->chan);
+ }
ACCESS_ONCE(session->active) = 1;
ACCESS_ONCE(session->been_active) = 1;
ACCESS_ONCE(session->active) = 1;
ACCESS_ONCE(session->been_active) = 1;
@@
-279,8
+291,10
@@
int lttng_session_disable(struct lttng_session *session)
lttng_session_sync_enablers(session);
/* Set each stream's quiescent state. */
lttng_session_sync_enablers(session);
/* Set each stream's quiescent state. */
- list_for_each_entry(chan, &session->chan, list)
- lib_ring_buffer_set_quiescent_channel(chan->chan);
+ list_for_each_entry(chan, &session->chan, list) {
+ if (chan->channel_type != METADATA_CHANNEL)
+ lib_ring_buffer_set_quiescent_channel(chan->chan);
+ }
end:
mutex_unlock(&sessions_mutex);
return ret;
end:
mutex_unlock(&sessions_mutex);
return ret;
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