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tracing: Fix typoes in code comment and printk in trace_nop.c

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echo nop > /sys/kernel/debug/tracing/options/current_tracer
echo 1 > /sys/kernel/debug/tracing/options/test_nop_accept
echo 0 > /sys/kernel/debug/tracing/options/test_nop_accept
echo 1 > /sys/kernel/debug/tracing/options/test_nop_refuse

Before the fix, the dmesg is a bit ugly since a align issue.

[  191.973081] nop_test_accept flag set to 1: we accept. Now cat trace_options to see the result
[  195.156942] nop_test_refuse flag set to 1: we refuse.Now cat trace_options to see the result

After the fix, the dmesg will show aligned log for nop_test_refuse and nop_test_accept.

[ 2718.032413] nop_test_refuse flag set to 1: we refuse. Now cat trace_options to see the result
[ 2734.253360] nop_test_accept flag set to 1: we accept. Now cat trace_options to see the result

Link: http://lkml.kernel.org/r/1457444222-8654-2-git-send-email-chuhu@redhat.com

Signed-off-by: Chunyu Hu <chuhu@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Chunyu Hu 2016-03-08 21:37:02 +08:00 committed by Steven Rostedt
parent a664edb374
commit 1cf8067b54
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/trace_nop.c
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@ -56,7 +56,7 @@ static void nop_trace_reset(struct trace_array *tr)
}
/* It only serves as a signal handler and a callback to
* accept or refuse tthe setting of a flag.
* accept or refuse the setting of a flag.
* If you don't implement it, then the flag setting will be
* automatically accepted.
*/
@ -75,7 +75,7 @@ static int nop_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set)
if (bit == TRACE_NOP_OPT_REFUSE) {
printk(KERN_DEBUG "nop_test_refuse flag set to %d: we refuse."
"Now cat trace_options to see the result\n",
" Now cat trace_options to see the result\n",
set);
return -EINVAL;
}