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tracing: Fix documentation about disabling options using trace_options

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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>
This commit is contained in:
Srivatsa S. Bhat (VMware) 2019-01-28 17:55:53 -08:00 committed by Steven Rostedt (VMware)
parent 8623b00676
commit b941699760
1 changed files with 1 additions and 1 deletions
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kernel/trace/trace.c
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@ -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