2011/3/22 陳韋任 :
> Hi,
>
>> I doubt this is the problem.
>
> Yeah, I have tried -1 through 2. But none of them works. :/
>
>> You need to make sure you have a kernel that supports PEBS.
>> To do that, you can check the syslog. dmesg | fgrep PEBS should
>> do it.
>
> $ dmesg | grep "Performance Event
Hi, Stephane
> > $ dmesg | grep "Performance Events"
> > Performance Events: PEBS fmt0+, Core2 events, Intel PMU driver.
> >
> On Core 2 due to a PMU erratum on cetain models, PEBS is disabled
> at boot time. This is true if you have a model 15 CPU.
Model 15 CPU? I can only guess what you said
2011/3/22 陳韋任 :
> Hi,
>
>> I doubt this is the problem.
>
> Yeah, I have tried -1 through 2. But none of them works. :/
>
>> You need to make sure you have a kernel that supports PEBS.
>> To do that, you can check the syslog. dmesg | fgrep PEBS should
>> do it.
>
> $ dmesg | grep "Performance Event