if (getenv("LTTNG_UST_WITHOUT_BADDR_STATEDUMP"))
return;
+ /*
+ * Fixup lttng-ust TLS when called from dlopen/dlclose
+ * instrumentation.
+ */
+ lttng_ust_fixup_tls();
+
data.exec_found = 0;
data.first = true;
data.cancel = false;
* session, statedumps from different processes may be
* interleaved. The vpid context should be used to identify which
* events belong to which process.
+ *
+ * Grab the ust_lock outside of the RCU read-side lock because we
+ * perform synchronize_rcu with the ust_lock held, which can trigger
+ * deadlocks otherwise.
*/
int do_lttng_ust_statedump(void *owner)
{
+ ust_lock_nocheck();
trace_statedump_start(owner);
+ ust_unlock();
+
do_baddr_statedump(owner);
+
+ ust_lock_nocheck();
trace_statedump_end(owner);
+ ust_unlock();
return 0;
}