Commit b9416997 authored Jan 28, 2019 by Srivatsa S. Bhat (VMware) Committed by Steven Rostedt (VMware) May 08, 2019

tracing: Fix documentation about disabling options using trace_options

To disable a tracing option using the trace_options file, the option
name needs to be prefixed with 'no', and not suffixed, as the README
states. Fix it.

Link: http://lkml.kernel.org/r/154872690031.47356.5739053380942044586.stgit@srivatsa-ubuntu

Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

parent 8623b006

kernel/trace/trace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -4755,7 +4755,7 @@ static const char readme_msg[] =
		" instances\t\t- Make sub-buffers with: mkdir instances/foo\n"
		"\t\t\t Remove sub-buffer with rmdir\n"
		" trace_options\t\t- Set format or modify how tracing happens\n"
		"\t\t\t Disable an option by adding a suffix 'no' to the\n"
		"\t\t\t Disable an option by prefixing 'no' to the\n"
		"\t\t\t option name\n"
		" saved_cmdlines_size\t- echo command number in here to store comm-pid list\n"
		#ifdef CONFIG_DYNAMIC_FTRACE