> + base_cpu = sched_getcpu();
looks good.
I combined this w/ the previous patch.
I'll send this with some other patches to linux-pm shortly.
If no problems, I'll offer the bundle of fixes to Linus for -rc5,
else we'll get to it in the next merge window.
thanks,
Len Brown, Intel Open Source
> -Original Message-
> From: Prarit Bhargava [mailto:pra...@redhat.com]
> Sent: Friday, May 22, 2015 6:30 PM
> To: Brown, Len
> Cc: linux-kernel@vger.kernel.org; linux...@vger.kernel.org; Semin, Andrey
> Subject: Re: [PATCH 2/2] turbostat, add set_base_cpu()
>
>
turbostat does not function properly on systems that support CPU0 hotplug.
When running turbostat on these systems the following error is seen.
[root@intel-chiefriver-04 ~]# turbostat ls
turbostat: no /dev/cpu/0/msr
Try "# modprobe msr": No such file or directory
This happens because base_cpu is
On 05/22/2015 11:55 AM, Brown, Len wrote:
>> +void set_base_cpu(void)
>> +{
>> +int cpu;
>> +
>> +for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
>> +if (cpu_is_not_present(cpu))
>> +continue;
>> +base_cpu = cpu;
>> +break;
>> +}
On 05/22/2015 11:55 AM, Brown, Len wrote:
>> +void set_base_cpu(void)
>> +{
>> +int cpu;
>> +
>> +for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
>> +if (cpu_is_not_present(cpu))
>> +continue;
>> +base_cpu = cpu;
>> +break;
>> +}
> +void set_base_cpu(void)
> +{
> + int cpu;
> +
> + for (cpu = 0; cpu <= topo.max_cpu_num; ++cpu) {
> + if (cpu_is_not_present(cpu))
> + continue;
> + base_cpu = cpu;
> + break;
> + }
> +
> + if (base_cpu == -1)
> +
turbostat does not function properly on systems that support CPU0 hotplug.
When running turbostat on these systems the following error is seen.
[root@intel-chiefriver-04 ~]# turbostat ls
turbostat: no /dev/cpu/0/msr
Try "# modprobe msr": No such file or directory
This happens because base_cpu is
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