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authorIngo Molnar <mingo@elte.hu>2010-04-23 13:25:31 +0400
committerIngo Molnar <mingo@elte.hu>2010-04-23 13:25:31 +0400
commit77a7f2e94e6998e307917fe63fa4b6d5162d44e9 (patch)
tree1db43ac215fa9eac6ebb09cb0ddea5e3d285e132 /Documentation/kernel-parameters.txt
parentac0053fd51d2bac09a7d4b4a59f6dac863bd4373 (diff)
parentcecbca96da387428e220e307a9c945e37e2f4d9e (diff)
downloadlinux-77a7f2e94e6998e307917fe63fa4b6d5162d44e9.tar.xz
Merge branch 'tracing/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/core
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e2202e93b148..21a99474df93 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -784,8 +784,12 @@ and is between 256 and 4096 characters. It is defined in the file
as early as possible in order to facilitate early
boot debugging.
- ftrace_dump_on_oops
+ ftrace_dump_on_oops[=orig_cpu]
[FTRACE] will dump the trace buffers on oops.
+ If no parameter is passed, ftrace will dump
+ buffers of all CPUs, but if you pass orig_cpu, it will
+ dump only the buffer of the CPU that triggered the
+ oops.
ftrace_filter=[function-list]
[FTRACE] Limit the functions traced by the function