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Fix: do not generate packet at destroy after stop
[lttng-modules.git]
/
lttng-events.c
diff --git
a/lttng-events.c
b/lttng-events.c
index f9a19190ffc03be47ab8f8196a49f180c1b8dbc0..1aff9ec75c579dbf6a1a16e0929d2c01c8c404bc 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
+239,10
@@
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)
+ 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
+261,7
@@
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
+273,10
@@
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)
+ 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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