[PATCH] ftrace: tracing_on to start/stop tracing

From: Geunsik Lim
Date: Fri Aug 12 2011 - 01:30:39 EST


From: Geunsik Lim <geunsik.lim@xxxxxxxxxxx>

tracing_enabled option is deprecated.
To start/stop tracing, write to /sys/kernel/debug/tracing/tracing_on
without tracing_enabled. This patch is based on Linux 3.1.0-rc1

Signed-off-by: Geunsik Lim <geunsik.lim@xxxxxxxxxxx>
---
kernel/trace/trace.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e5df02c..91abdbf 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2710,9 +2710,9 @@ static const char readme_msg[] =
"# cat /sys/kernel/debug/tracing/trace_options\n"
"noprint-parent nosym-offset nosym-addr noverbose\n"
"# echo print-parent > /sys/kernel/debug/tracing/trace_options\n"
- "# echo 1 > /sys/kernel/debug/tracing/tracing_enabled\n"
+ "# echo 1 > /sys/kernel/debug/tracing/tracing_on\n"
"# cat /sys/kernel/debug/tracing/trace > /tmp/trace.txt\n"
- "# echo 0 > /sys/kernel/debug/tracing/tracing_enabled\n"
+ "# echo 0 > /sys/kernel/debug/tracing/tracing_on\n"
;

static ssize_t
--
1.7.3.4

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