Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[sfrench/cifs-2.6.git] / Documentation / kernel-parameters.txt
index 0c6c56076d19aaac5a0aebe53a37553d5ecc6096..567b7a8eb878e74bd064c6ab71c36325e045f4d8 100644 (file)
@@ -786,8 +786,12 @@ 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