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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2008-11-01 19:57:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-03 09:12:39 +0100 |
| commit | d9e540762f5cdd89f24e518ad1fd31142d0b9726 (patch) | |
| tree | 74f433c159183241020fed5e35eb7f3b4bb2edf3 /Documentation/kernel-parameters.txt | |
| parent | 36609469c8278554b046aa4cc9a5fa9ccea35306 (diff) | |
| download | lwn-d9e540762f5cdd89f24e518ad1fd31142d0b9726.tar.gz lwn-d9e540762f5cdd89f24e518ad1fd31142d0b9726.zip | |
ftrace: ftrace_dump_on_oops=[tracer]
Impact: add new (optional) debug boot option
In order to facilitate early boot trouble, allow one to specify a tracer
on the kernel boot line.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1bbcaa8982b6..4862284d3119 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -765,6 +765,14 @@ and is between 256 and 4096 characters. It is defined in the file parameter will force ia64_sal_cache_flush to call ia64_pal_cache_flush instead of SAL_CACHE_FLUSH. + ftrace=[tracer] + [ftrace] will set and start the specified tracer + as early as possible in order to facilitate early + boot debugging. + + ftrace_dump_on_oops + [ftrace] will dump the trace buffers on oops. + gamecon.map[2|3]= [HW,JOY] Multisystem joystick and NES/SNES/PSX pad support via parallel port (up to 5 devices per port) |