linux-kernel - [PATCH 1/3] tracing: Make TRACE_ITER_STOP_ON

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Date:	Fri,  2 Aug 2013 18:36:15 -0700
From:	Alexander Z Lam <azl@...gle.com>
To:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org
Cc:	Alexander Z Lam <azl@...gle.com>, David Sharp <dhsharp@...gle.com>,
	Vaibhav Nagarnaik <vnagarnaik@...gle.com>,
	Alexander Z Lam <lambchop468@...il.com>
Subject: [PATCH 1/3] tracing: Make TRACE_ITER_STOP_ON_FREE stop the correct buffer

Releasing the free_buffer file in an instance causes the global buffer
to be stopped when TRACE_ITER_STOP_ON_FREE is enabled. Operate on the
correct buffer.

Cc: Vaibhav Nagarnaik <vnagarnaik@...gle.com>
Cc: David Sharp <dhsharp@...gle.com>
Cc: Alexander Z Lam <lambchop468@...il.com>
Signed-off-by: Alexander Z Lam <azl@...gle.com>
---
 kernel/trace/trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 882ec1d..9bfb889 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4468,7 +4468,7 @@ tracing_free_buffer_release(struct inode *inode, struct file *filp)
 
 	/* disable tracing ? */
 	if (trace_flags & TRACE_ITER_STOP_ON_FREE)
-		tracing_off();
+		tracer_tracing_off(tr);
 	/* resize the ring buffer to 0 */
 	tracing_resize_ring_buffer(tr, 0, RING_BUFFER_ALL_CPUS);
 
-- 
1.8.3

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