linux-kernel - [for-next][PATCH 04/16] tracing: Save both wakee and current on wakeup events

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Date:   Fri, 18 Feb 2022 19:54:34 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [for-next][PATCH 04/16] tracing: Save both wakee and current on wakeup events

From: "Steven Rostedt (Google)" <rostedt@...dmis.org>

Use the sched_switch function to save both the wakee and the waker comms
in the saved cmdlines list when sched_wakeup is done.

Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 kernel/trace/trace_sched_switch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index e304196d7c28..5cd33be2031b 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -44,7 +44,7 @@ probe_sched_wakeup(void *ignore, struct task_struct *wakee)
 
 	if (!flags)
 		return;
-	tracing_record_taskinfo(current, flags);
+	tracing_record_taskinfo_sched_switch(current, wakee, flags);
 }
 
 static int tracing_sched_register(void)
-- 
2.34.1