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

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Message-ID: <20110312044010.GB3634@zhy>
Date:	Sat, 12 Mar 2011 12:40:10 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	Thomas Renninger <trenn@...e.de>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-pm@...ts.linux-foundation.org, discuss@...swatts.org,
	power@...host.org, cpufreq@...r.kernel.org,
	linux@...inikbrodowski.net, Mattia Dongili <malattia@...ux.it>,
	Len Brown <lenb@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	herrmann.der.user@...glemail.com, linux-omap@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [ANNOUNCE] cpupowerutils - cpufrequtils extended with quite
 some features

On Sat, Mar 12, 2011 at 12:34:09PM +0800, Yong Zhang wrote:
> 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:

forget the declaration of value :)

---
--- utils/helpers/sysfs-orig.c	2011-03-12 12:32:06.179827929 +0800
+++ utils/helpers/sysfs.c	2011-03-12 12:35:21.512796546 +0800
@@ -111,7 +111,7 @@
 						     unsigned int idlestate,
 						     enum idlestate_value which)
 {
-	unsigned long value;
+	unsigned long long value;
 	unsigned int len;
 	char linebuf[MAX_LINE_LEN];
 	char *endp;
@@ -126,7 +126,7 @@
 		return 0;
 	}
 
-	value = strtoul(linebuf, &endp, 0);
+	value = strtoull(linebuf, &endp, 0);
 
 	if ( endp == linebuf || errno == ERANGE )
 		return 0;
--
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