From 762e1207889b3451c50d365b741af6f9ce958886 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 19 Dec 2011 22:01:00 -0500 Subject: tracing: Have stack tracing set filtered functions at boot Add stacktrace_filter= to the kernel command line that lets the user pick specific functions to check the stack on. Signed-off-by: Steven Rostedt --- Documentation/kernel-parameters.txt | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'Documentation/kernel-parameters.txt') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index fd5c913c33c1..fde2ae06539a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2435,6 +2435,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted. stacktrace [FTRACE] Enabled the stack tracer on boot up. + stacktrace_filter=[function-list] + [FTRACE] Limit the functions that the stack tracer + will trace at boot up. function-list is a comma separated + list of functions. This list can be changed at run + time by the stack_trace_filter file in the debugfs + tracing directory. Note, this enables stack tracing + and the stacktrace above is not needed. + sti= [PARISC,HW] Format: Set the STI (builtin display/keyboard on the HP-PARISC -- cgit v1.2.3