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trace: Replace hardcoding of 19 with MAX_NICE 

Use MAX_NICE instead of the value 19 for ring_buffer_benchmark.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1393251121-25534-1-git-send-email-yangds.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Dongsheng Yang 2014-02-24 22:12:01 +08:00 committed by Ingo Molnar
parent 37e117c07b
commit 2b3942e4bb
1 changed files with 3 additions and 3 deletions
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6
kernel/trace/ring_buffer_benchmark.c
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@ -40,8 +40,8 @@ static int write_iteration = 50;
module_param(write_iteration, uint, 0644); module_param(write_iteration, uint, 0644);
MODULE_PARM_DESC(write_iteration, "# of writes between timestamp readings"); MODULE_PARM_DESC(write_iteration, "# of writes between timestamp readings");
static int producer_nice = 19; static int producer_nice = MAX_NICE;
static int consumer_nice = 19; static int consumer_nice = MAX_NICE;
static int producer_fifo = -1; static int producer_fifo = -1;
static int consumer_fifo = -1; static int consumer_fifo = -1;
@ -308,7 +308,7 @@ static void ring_buffer_producer(void)
/* Let the user know that the test is running at low priority */ /* Let the user know that the test is running at low priority */
if (producer_fifo < 0 && consumer_fifo < 0 && if (producer_fifo < 0 && consumer_fifo < 0 &&
producer_nice == 19 && consumer_nice == 19) producer_nice == MAX_NICE && consumer_nice == MAX_NICE)
trace_printk("WARNING!!! This test is running at lowest priority.\n"); trace_printk("WARNING!!! This test is running at lowest priority.\n");
trace_printk("Time: %lld (usecs)\n", time); trace_printk("Time: %lld (usecs)\n", time);