From: Norbert Lange <nolange79@gmail.com>
Date: Mon, 1 Aug 2022 14:37:00 +0000 (+0200)
Subject: lttng_ust_init_thread: call urcu_register_thread
X-Git-Url: http://git.lttng.org/?p=lttng-ust.git;a=commitdiff_plain;h=8e95eaadb72a1a97486f15cc128ff6ed2fcd0196

lttng_ust_init_thread: call urcu_register_thread

Eagerly register the thread, and avoid taking mutex during the
first tracepoint.

Signed-off-by: Norbert Lange <nolange79@gmail.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/lib/lttng-ust/lttng-ust-comm.c b/src/lib/lttng-ust/lttng-ust-comm.c
index 0a039fef..0fe2da46 100644
--- a/src/lib/lttng-ust/lttng-ust-comm.c
+++ b/src/lib/lttng-ust/lttng-ust-comm.c
@@ -447,6 +447,8 @@ void lttng_ust_init_thread(void)
 	 * this thread attempts to use them.
 	 */
 	lttng_ust_common_init_thread(LTTNG_UST_INIT_THREAD_MASK);
+
+	lttng_ust_urcu_register_thread();
 }
 
 int lttng_get_notify_socket(void *owner)