On Mon, 2007-10-22 at 01:34 -0700, Stephane Eranian wrote:
> Yanmin,
>
> On Mon, Oct 22, 2007 at 10:55:08AM +0800, Zhang, Yanmin wrote:
> > > > Looks like it finds the hardware, but later fails to register it (line
> > > > with
> > > > "error -16", -EBUSY. So something like the following to generate some
> > > > more
> > > > detail information information from the PFM_INFO's would be useful:
> > > >
> > > In perfmon_intel_core.c, look at the :
> > >
> > > static int pfm_core_probe_pmu(void)
> > > {
> > > unsigned int i;
> > >
> > > /*
> > > * Check for Intel Core processor explicitely
> > > * Checking for cpu_has_perfmon is not enough as this
> > > * matches intel Core Duo/Core Solo but none supports
> > > * PEBS.
> > > *
> > > * Intel Core = arch perfmon v2 + PEBS
> > > */
> > > if (cpu_data->x86 != 6 || cpu_data->x86_model != 15)
> > >
> > > If you come in with 6,14, this should fail. But it seems you have things
> > > compiled in, so maybe there is something wrong there
> > I ran into the same issue on my new quad-core machine. Is there any update?
> >
>
> Are you compiling all the PMU description files as modules or builtin?
Builtin.
>
> > My cpu family is 6 and model is 15.
> >
>
> This should use perfmon_intel_core.
>
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