linux-kernel - Re: [git-pull -tip] x86: Basic AMD Support for performance counters

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Date:	Sun, 01 Mar 2009 16:11:27 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	x86 maintainers <x86@...nel.org>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [git-pull -tip] x86: Basic AMD Support for performance counters

On Sun, 2009-03-01 at 09:36 +0100, Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > Seems to be working fine, here's the output from an Athlon 64 
> > 3200+ (Sempron) box:
> > 
> >  Performance counter stats for 'ls':
> > 
> >       17.420811  task clock ticks     (msecs)
> > 
> >               0  CPU migrations       (events)
> >              12  context switches     (events)
> >             583  pagefaults           (events)
> >        29760299  CPU cycles           (events)
> >        29401642  instructions         (events)
> >        12698498  cache references     (events)
> >           66269  cache misses         (events)
> > 
> >  Wall-clock time elapsed:   687.999988 msecs
> 
> The patches cause a crash on another system - an Opteron system 
> spontaneous reboots at this point during early bootup:
> 
> CPU 0/0x4 -> Node 0
> tseg: 00cfe00000
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> using C1E aware idle routine
> AMD Performance Monitoring support detected.
> ... num counters:    4
> ... value mask:      0000000000000000
> ... fixed counters:  0
> ... counter mask:    000000000000000f
> ACPI: Core revision 20081204
> ftrace: converting mcount calls to 0f 1f 44 00 00
> ftrace: allocating 16365 entries in 129 pages
> Setting APIC routing to physical flat
> masked ExtINT on CPU#0
> ENABLING IO
> [reboot]
> 

Can you please share your config file.

Thanks,

--
JSR

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