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Code Issues Releases Wiki Activity

sched: fix CONFIG_PRINT_TIME's reliance on sched_clock()

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Stefano Brivio reported weird printk timestamp behavior during
CPU frequency changes:

  http://bugzilla.kernel.org/show_bug.cgi?id=9475

fix CONFIG_PRINT_TIME's reliance on sched_clock() and use cpu_clock()
instead.

Reported-and-bisected-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-01-25 21:07:58 +01:00
parent 32a7600668
commit d713f51933
1 changed files with 1 additions and 1 deletions
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2
kernel/printk.c
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@ -707,7 +707,7 @@ asmlinkage int vprintk(const char *fmt, va_list args)
loglev_char = default_message_loglevel
+ '0';
}
t = printk_clock();
t = cpu_clock(printk_cpu);
nanosec_rem = do_div(t, 1000000000);
tlen = sprintf(tbuf,
"<%c>[%5lu.%06lu] ",