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-rw-r--r--Documentation/kernel-parameters.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index eb93fd0ec734..b29f3c416296 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2475,6 +2475,14 @@ 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: <num>
Set the STI (builtin display/keyboard on the HP-PARISC
OpenPOWER on IntegriCloud