iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86: fix cpufreq + sched_clock() regression

Browse Source 
I noticed that my sched_clock() was slow on a number of machine, so I
started looking at cpufreq.

The below seems to fix the problem for me.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2008-08-25 13:35:06 +02:00 committed by Ingo Molnar
parent f58899bb02
commit 52a8968ce9
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/tsc.c
View File

@ -314,7 +314,7 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
mark_tsc_unstable("cpufreq changes");
}
set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
set_cyc2ns_scale(tsc_khz, freq->cpu);
return 0;
}