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tracing: Add ftrace_graph_notrace boot parameter

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The ftrace_graph_notrace option is for specifying notrace filter for
function graph tracer at boot time.  It can be altered after boot
using set_graph_notrace file on the debugfs.

Link: http://lkml.kernel.org/p/[email protected]

Signed-off-by: Namhyung Kim <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
This commit is contained in:
Namhyung Kim 2014-06-13 01:23:50 +09:00 • committed by Steven Rostedt
commit 0d7d9a16ce
2 changed files with 26 additions and 4 deletions
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6
Documentation/kernel-parameters.txt
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@ -1097,6 +1097,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
that can be changed at run time by the
set_graph_function file in the debugfs tracing directory.
ftrace_graph_notrace=[function-list]
[FTRACE] Do not trace from the functions specified in
function-list. This list is a comma separated list of
functions that can be changed at run time by the
set_graph_notrace file in the debugfs tracing directory.
gamecon.map[2|3]=
[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
support via parallel port (up to 5 devices per port)