linux-kernel - [RFC PATCH 4.1-rt backport] latency_hist: update sched

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Message-Id: <1445810765-18732-1-git-send-email-mathieu.desnoyers@efficios.com>
Date:	Sun, 25 Oct 2015 18:06:05 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Julien Desfossez <jdesfossez@...icios.com>,
	Francis Giraldeau <francis.giraldeau@...il.com>,
	Mike Galbraith <efault@....de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: [RFC PATCH 4.1-rt backport] latency_hist: update sched_wakeup probe

"sched: Introduce the 'trace_sched_waking' tracepoint" introduces a
prototype change for the sched_wakeup probe: the "success" argument is
removed. Update the latency_hist probe following this change.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
CC: Thomas Gleixner <tglx@...utronix.de>
CC: Peter Zijlstra (Intel) <peterz@...radead.org>
CC: Julien Desfossez <jdesfossez@...icios.com>
CC: Francis Giraldeau <francis.giraldeau@...il.com>
CC: Mike Galbraith <efault@....de>
CC: Steven Rostedt <rostedt@...dmis.org>
CC: Ingo Molnar <mingo@...nel.org>
---
 kernel/trace/latency_hist.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/latency_hist.c b/kernel/trace/latency_hist.c
index 66a69eb..b6c1d14 100644
--- a/kernel/trace/latency_hist.c
+++ b/kernel/trace/latency_hist.c
@@ -115,7 +115,7 @@ static DEFINE_PER_CPU(struct hist_data, wakeup_latency_hist_sharedprio);
 static char *wakeup_latency_hist_dir = "wakeup";
 static char *wakeup_latency_hist_dir_sharedprio = "sharedprio";
 static notrace void probe_wakeup_latency_hist_start(void *v,
-	struct task_struct *p, int success);
+	struct task_struct *p);
 static notrace void probe_wakeup_latency_hist_stop(void *v,
 	struct task_struct *prev, struct task_struct *next);
 static notrace void probe_sched_migrate_task(void *,
@@ -869,7 +869,7 @@ static notrace void probe_sched_migrate_task(void *v, struct task_struct *task,
 }
 
 static notrace void probe_wakeup_latency_hist_start(void *v,
-	struct task_struct *p, int success)
+	struct task_struct *p)
 {
 	unsigned long flags;
 	struct task_struct *curr = current;
-- 
2.1.4

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