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Version 2.8.1
[lttng-modules.git]
/
lttng-events.c
diff --git
a/lttng-events.c
b/lttng-events.c
index 9c8cde8f976adbf38fbccfb360675dc8a73bca59..400c5ecab71cc1111df83280f8588195a983963a 100644
(file)
--- a/
lttng-events.c
+++ b/
lttng-events.c
@@
-52,6
+52,8
@@
#include <lttng-abi-old.h>
#include <lttng-endian.h>
#include <wrapper/vzalloc.h>
#include <lttng-abi-old.h>
#include <lttng-endian.h>
#include <wrapper/vzalloc.h>
+#include <wrapper/ringbuffer/backend.h>
+#include <wrapper/ringbuffer/frontend.h>
#define METADATA_CACHE_DEFAULT_SIZE 4096
#define METADATA_CACHE_DEFAULT_SIZE 4096
@@
-237,6
+239,12
@@
int lttng_session_enable(struct lttng_session *session)
/* We need to sync enablers with session before activation. */
lttng_session_sync_enablers(session);
/* We need to sync enablers with session before activation. */
lttng_session_sync_enablers(session);
+ /* Clear each stream's quiescent state. */
+ 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;
ret = _lttng_session_metadata_statedump(session);
ACCESS_ONCE(session->active) = 1;
ACCESS_ONCE(session->been_active) = 1;
ret = _lttng_session_metadata_statedump(session);
@@
-255,6
+263,7
@@
end:
int lttng_session_disable(struct lttng_session *session)
{
int ret = 0;
int lttng_session_disable(struct lttng_session *session)
{
int ret = 0;
+ struct lttng_channel *chan;
mutex_lock(&sessions_mutex);
if (!session->active) {
mutex_lock(&sessions_mutex);
if (!session->active) {
@@
-266,6
+275,12
@@
int lttng_session_disable(struct lttng_session *session)
/* Set transient enabler state to "disabled" */
session->tstate = 0;
lttng_session_sync_enablers(session);
/* Set transient enabler state to "disabled" */
session->tstate = 0;
lttng_session_sync_enablers(session);
+
+ /* Set each stream's quiescent state. */
+ 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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