Re: Slower CPU frequency reported by the kernel

2007-02-07 Thread Andi Kleen
"Francis Moreau" <[EMAIL PROTECTED]> writes: > > What's going wrong ? Nothing. It's a feature that saves you enegery (=money) and noise when the computer doesn't have much to do. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PR

RE: Slower CPU frequency reported by the kernel

2007-02-06 Thread Langsdorf, Mark
> > I'm using a PC with AMD 64 3000+ cpu which is theoricaly running at > > 2Ghz. But when looking at /proc/cpuinfo, the kernel reports that it > > runs only at 1Ghz: > > ... > > What's going wrong ? > > Do you have feature called "Cool N' Quiet" enabled in BIOS? > I had the same problem and disab

Re: Slower CPU frequency reported by the kernel

2007-02-03 Thread Di, Wu
maybe, you start a powersaved service, and enable the cpufreq module of kernel. You need run "powersave -f" for fix your CPU to highest frequency supported. On Sat, 2007-02-03 at 12:19 +, [EMAIL PROTECTED] wrote: > On Fri, 02 Feb 2007 12:11:25 +0100, Francis Moreau wrote: > > Hi, > > > > I'm

Re: Slower CPU frequency reported by the kernel

2007-02-03 Thread lnx . tmp
On Fri, 02 Feb 2007 12:11:25 +0100, Francis Moreau wrote: > Hi, > > I'm using a PC with AMD 64 3000+ cpu which is theoricaly running at > 2Ghz. But when looking at /proc/cpuinfo, the kernel reports that it > runs only at 1Ghz: > ... > What's going wrong ? Do you have feature called "Cool N' Quiet

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Francis Moreau
On 2/2/07, Paolo Ornati <[EMAIL PROTECTED]> wrote: Anyway it is started by an init script, so you should find it looking at "ls /etc/init.d/". thanks for these information. I'm using a Fedora distrib and it actually uses 'ondemand' governer with the cpu I use. -- Francis - To unsubscribe from

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Francis Moreau
On 2/2/07, Arjan van de Ven <[EMAIL PROTECTED]> wrote: it may be userspace, or you may be using the "ondemand" governer. If you have the userspace tool it's often called "cpuspeed", but it depends on your distro. you're right, I actually use 'ondemand' governer. It seems to be the governer used

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Paolo Ornati
On Fri, 2 Feb 2007 15:03:31 +0100 "Francis Moreau" <[EMAIL PROTECTED]> wrote: > it's seems that the cpu freq scaling depends on a user space tool. Yes, it depends on the selected governor. In the case of "userspace" governor you (or a program) can set the speed writing to "/sys/devices/system/cp

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Arjan van de Ven
> it's seems that the cpu freq scaling depends on a user space tool. > Could you tell me how I can find if there're such tools installed on > my computer ? it may be userspace, or you may be using the "ondemand" governer. If you have the userspace tool it's often called "cpuspeed", but it depends

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Francis Moreau
On 2/2/07, Paolo Ornati <[EMAIL PROTECTED]> wrote: You are using frequency scaling(*) and "/proc/cpuinfo" reflects the current speed. ok, I didn't know about this. (*) = # # CPU Frequency scaling # CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y CONFIG_CPU_FREQ_DEBUG=y CONFIG_CPU_FREQ_STAT=m CON

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Francis Moreau
Hi On 2/2/07, Jesper Juhl <[EMAIL PROTECTED]> wrote: I agree that that is the most logical explanation, but in theory it could also be that he has changed bios settings and underclocked the processor. no I didn't thanks -- Francis - To unsubscribe from this list: send the line "unsubscribe l

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Jesper Juhl
On 02/02/07, Paolo Ornati <[EMAIL PROTECTED]> wrote: On Fri, 2 Feb 2007 12:11:25 +0100 "Francis Moreau" <[EMAIL PROTECTED]> wrote: > Hi, > > I'm using a PC with AMD 64 3000+ cpu which is theoricaly running at > 2Ghz. But when looking at /proc/cpuinfo, the kernel reports that it > runs only at 1G

Re: Slower CPU frequency reported by the kernel

2007-02-02 Thread Paolo Ornati
On Fri, 2 Feb 2007 12:11:25 +0100 "Francis Moreau" <[EMAIL PROTECTED]> wrote: > Hi, > > I'm using a PC with AMD 64 3000+ cpu which is theoricaly running at > 2Ghz. But when looking at /proc/cpuinfo, the kernel reports that it > runs only at 1Ghz: > > # cat /proc/cpuinfo > > processor : 0