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Message-ID: <20050515115459.55864.qmail@web60514.mail.yahoo.com>
Date: Sun, 15 May 2005 04:54:59 -0700 (PDT)
From: li nux <lnxluv@yahoo.com>
Subject: Re: oprofile: enabling cpu events
To: Philippe Elie <phil.el@wanadoo.fr>
Cc: Baruch Even <baruch@ev-en.org>, linux <linux-kernel@vger.kernel.org>
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Thanks Philippe,
You are right, it seems that apci is off by default.
How to turn it on ?
the flags in /proc/cpuinfo does not show acpi
cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 5
model name      : Pentium II (Deschutes)
stepping        : 3
cpu MHz         : 450.008
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8
sep mtrr pge mca cmov pat pse36 mmx fxsr
bogomips        : 886.78

--- Philippe Elie <phil.el@wanadoo.fr> wrote:
> On Sun, 08 May 2005 at 00:20 +0000, li nux wrote:
> 
> > Thanks Baruch,
> > # opcontrol --setup  --event=CPU_CLK_UNHALTED
> >  You cannot specify any performance counter events
> >  because OProfile is in timer mode.
>  
> 
> check if local apic support is turned on.
> 
> Philippe Elie
> 


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