Re: [ANNOUNCE] cpupowerutils - cpufrequtils extended with quite some features

Yong Zhang
2011-03-12T04:34:09Z

On Fri, Mar 11, 2011 at 12:46:59PM +0100, Thomas Renninger wrote:
> Happy testing..., if you have a recent machine, you'll like it!
>
> After some testing phase it would be great to get this tool
> merged into the kernel git repo under:
> tools/power/cpupower
> and replace the Intel HW only supporting tools in tools/power/x86.

I got below output on my laptop:

|Mperf || Idle_Stats
CPU | C0 | Cx | Freq || POLL | C1 | C2 | C3
0| 36.00| 64.00| 820||1843411670376227.2|1843411670376692.2| 0.00| 0.00
1| 44.69| 55.31| 920|| 0.00| 0.00| 0.00| 0.00

Seems below patch fix it:

Thanks,
Yong

---
--- utils/helpers/sysfs-orig.c 2011-03-12 12:32:06.179827929 +0800
+++ utils/helpers/sysfs.c 2011-03-12 12:24:36.865599924 +0800
@@ -126,7 +126,7 @@
return 0;
}

- value = strtoul(linebuf, &endp, 0);
+ value = strtoull(linebuf, &endp, 0);

if ( endp == linebuf || errno == ERANGE )
return 0;