2010-01-25 03:05:52

by Yang Hongyang

Subject: [PATCH]ftrace:fix a typo in ftrace.txt

'echo ftrace' no longer supported in current kernel,
use 'echo function' instead.

Signed-off-by: Yang Hongyang <[email protected]>

---
Documentation/trace/ftrace.txt | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 8179692..bab3040 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1625,7 +1625,7 @@ If I am only interested in sys_nanosleep and hrtimer_interrupt:

# echo sys_nanosleep hrtimer_interrupt \
> set_ftrace_filter
- # echo ftrace > current_tracer
+ # echo function > current_tracer
# echo 1 > tracing_enabled
# usleep 1
# echo 0 > tracing_enabled
--
1.6.5.2

--
Regards
Yang Hongyang

2010-01-25 03:09:33

by Yang Hongyang

Subject: Re: [PATCH]ftrace:fix a typo in ftrace.txt

Sorry,please ignore prev patch,the character Encoding was bad.
=========================================================

'echo ftrace' no longer supported in current kernel,
use 'echo function' instead.

Signed-off-by: Yang Hongyang <[email protected]>

---
Documentation/trace/ftrace.txt | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 8179692..bab3040 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1625,7 +1625,7 @@ If I am only interested in sys_nanosleep and hrtimer_interrupt:

# echo sys_nanosleep hrtimer_interrupt \
> set_ftrace_filter
- # echo ftrace > current_tracer
+ # echo function > current_tracer
# echo 1 > tracing_enabled
# usleep 1
# echo 0 > tracing_enabled
--
1.6.5.2

--
Regards
Yang Hongyang

2010-01-27 13:15:40

by Yang Hongyang

Subject: [tip:tracing/urgent] tracing/documentation: Fix a typo in ftrace.txt

Commit-ID: 6993b1bb1e62367f500789835a1f747e12259f07
Gitweb: http://git.kernel.org/tip/6993b1bb1e62367f500789835a1f747e12259f07
Author: Yang Hongyang <[email protected]>
AuthorDate: Mon, 25 Jan 2010 11:10:32 +0800
Committer: Steven Rostedt <[email protected]>
CommitDate: Tue, 26 Jan 2010 16:59:33 -0500

tracing/documentation: Fix a typo in ftrace.txt

'ftrace' is no longer the name of the function tracer, to activate
the function trace 'echo function > current_tracer' is to be used instead
of 'echo ftrace > current_tracer'. Update the documentation to reflect
the current implementation.

Signed-off-by: Yang Hongyang <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
---
Documentation/trace/ftrace.txt | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 8179692..bab3040 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1625,7 +1625,7 @@ If I am only interested in sys_nanosleep and hrtimer_interrupt:

# echo sys_nanosleep hrtimer_interrupt \
> set_ftrace_filter
- # echo ftrace > current_tracer
+ # echo function > current_tracer
# echo 1 > tracing_enabled
# usleep 1
# echo 0 > tracing_enabled