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[v2,2/2] lttng_ust_init_thread: call urcu_register_thread

Message ID 20220801143700.160380-2-norbert.lange@andritz.com
State New
Headers show
Series [v2,1/2] lttng_ust_init_thread: initialise cached context values | expand

Commit Message

Norbert Lange Aug. 1, 2022, 2:37 p.m. UTC 
From: Norbert Lange <nolange79 at gmail.com>

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

Signed-off-by: Norbert Lange <nolange79 at gmail.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
---
 src/lib/lttng-ust/lttng-ust-comm.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Mathieu Desnoyers Aug. 1, 2022, 3:13 p.m. UTC | #1 
----- On Aug 1, 2022, at 10:37 AM, Norbert Lange nolange79 at gmail.com wrote:

> From: Norbert Lange <nolange79 at gmail.com>
> 
> Eagerly register the thread, and avoid taking mutex during the
> first tracepoint.

Merged, thanks!

Mathieu

> 
> Signed-off-by: Norbert Lange <nolange79 at gmail.com>
> Acked-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> ---
> src/lib/lttng-ust/lttng-ust-comm.c | 2 ++
> 1 file changed, 2 insertions(+)
> 
> 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)
> --
> 2.35.1
diff mbox series

Patch

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)