Hi,
Multiplex.c has been fixed in CVS now.
On Tue, Jul 22, 2008 at 11:48 PM, stephane eranian <[EMAIL PROTECTED]>
wrote:
> Pradeep,
>
> I found the source of the problem. It was a bad parameter in pfarg_load for
> system-wide. I will fix that. But there are other issues with this old
> program.
> If you want to play with multiplexing, I suggest you instead use the
> multiplex2
> example.
>
>
>
> On Tue, Jul 22, 2008 at 8:43 PM, Pradeep Rao <[EMAIL PROTECTED]>
> wrote:
>
>> Hi,
>>
>> I'm using pfmon-3.4/libpfm-3.4 and kernel patch perfmon-new-base-080429
>> I've also tried pfmon-3.2/libpfm-3.2 with kernel patch
>> perfmon-new-base-071017 and the cvs versions.
>> All quit at the same point - pfm_load_context()
>>
>> I doubt its a mismatch between the libpfm and the kernel versions as
>> pfmon built on the same libpfm works fine. Its just with multiplex.c
>> in the libpfm-examples (and specifically while monitoring system wide)
>>
>> Regards,
>> Pradeep
>>
>>
>> On Tue, Jul 22, 2008 at 11:52 PM, stephane eranian
>> <[EMAIL PROTECTED]> wrote:
>> > Pradeep,
>> >
>> >
>> > On Fri, Jul 18, 2008 at 6:35 AM, Pradeep Rao <[EMAIL PROTECTED]>
>> wrote:
>> >> Hello,
>> >>
>> >> I have some trouble getting the multiplex.c example to run on my
>> platform:
>> >> kernel 2.6.25, Opteron model 254
>> >>
>> >> Any idea what I'm missing ? (systemwide monitoring using pfmon works
>> though;)
>> >
>> > Which version of libpfm/pfmon are you using?
>> >
>> > Looks like a mismatch between libpfm and the kernel version.
>> >
>> >
>> >>
>> >>
>> >> $ multiplex --verbose --system-wide -k -- ../../pfmon/tests/noploop
>> >> sycall base 288
>> >> AMD family=15 model=0x25 stepping=0x1 rev=E (K8 RevE)
>> >> 300 Hz period = 9303333 cycles @ 2791 Mhz
>> >> total_events=2
>> >> PMU programming for set 0
>> >> [PERFSEL0(pmc0)=0x520076 emask=0x76 umask=0x0 os=1 usr=0 inv=0 en=1
>> int=1 edge=0
>> >> cnt_mask=0] CPU_CLK_UNHALTED
>> >> [PERFCTR0(pmd0)]
>> >> set0 pmc_base=0 pmd_base=0 npmcs=1 npmds=1
>> >> PMU programming for set 1
>> >> [PERFSEL0(pmc0)=0x5200c0 emask=0xc0 umask=0x0 os=1 usr=0 inv=0 en=1
>> int=1 edge=0
>> >> cnt_mask=0] RETIRED_INSTRUCTIONS
>> >> [PERFCTR0(pmd0)]
>> >> set1 pmc_base=1 pmd_base=1 npmcs=1 npmds=1
>> >> forcing monitoring onto CPU core 0
>> >> child created and stopped
>> >> pfm_load_context error errno 22
>> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> >> noploop for 1 seconds
>> >>
>> >> Regards,
>> >> Pradeep
>> >>
>> >>
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>> >
>>
>
>
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