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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 d02f4dff0596934ad256c92fe45c01fa3edf5b8c..c129767469db48ebc3880496a0bf2fa0e7249dea 100644
(file)
--- a/
lttng-events.c
+++ b/
lttng-events.c
@@
-45,6
+45,8
@@
#include "lttng-tracer.h"
#include "lttng-abi-old.h"
#include "wrapper/vzalloc.h"
#include "lttng-tracer.h"
#include "lttng-abi-old.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
@@
-186,6
+188,10
@@
int lttng_session_enable(struct lttng_session *session)
chan->header_type = 2; /* large */
}
chan->header_type = 2; /* large */
}
+ /* 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);
@@
-204,6
+210,7
@@
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) {
@@
-211,6
+218,11
@@
int lttng_session_disable(struct lttng_session *session)
goto end;
}
ACCESS_ONCE(session->active) = 0;
goto end;
}
ACCESS_ONCE(session->active) = 0;
+
+ /* 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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