> On Mar 15, 2021, at 8:34 AM, Andi Kleen wrote:
>
>> I still think that there is value in taking those measurements after we
>> enable the counters, as, for instance, for interval mode we want
>> measurements with the counters enabled, whatever happens before the
>> counters are enabled is
> On Mar 15, 2021, at 7:09 AM, Jiri Olsa wrote:
>
> On Mon, Mar 15, 2021 at 07:51:11AM +, Song Liu wrote:
>
> SNIP
[...]
>>
>> It is mostly to cover corner cases, like something else used the same
>> name.
>
> about that.. we just take the object fd assuming it's map,
> should we
> I still think that there is value in taking those measurements after we
> enable the counters, as, for instance, for interval mode we want
> measurements with the counters enabled, whatever happens before the
> counters are enabled is just startup time, etc. Jiri, Andi?
Yes I agree. Only the
On Mon, Mar 15, 2021 at 07:51:11AM +, Song Liu wrote:
SNIP
> >> Known limitations:
> >> 1. Do not support per cgroup events;
> >
> > isn't that another filter via bpf_get_current_cgroup_id ?
>
> This is tricky with nested cgroups. We also have
> bpf_get_current_ancestor_cgroup_id,
> but
Em Fri, Mar 12, 2021 at 06:52:39PM +, Song Liu escreveu:
> > On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo
> > wrote:
> > Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> >> perf uses performance monitoring counters (PMCs) to monitor system
> >> performance. The PMCs
> On Mar 14, 2021, at 3:48 PM, Jiri Olsa wrote:
>
> On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
>> perf uses performance monitoring counters (PMCs) to monitor system
>> performance. The PMCs are limited hardware resources. For example,
>> Intel CPUs have 3x fixed PMCs and 4x
On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems use
> On Mar 13, 2021, at 2:06 PM, Jiri Olsa wrote:
>
> On Fri, Mar 12, 2021 at 04:09:53PM +, Song Liu wrote:
>>
>>
>>> On Mar 12, 2021, at 7:45 AM, Song Liu wrote:
>>>
>>>
>>>
On Mar 12, 2021, at 4:12 AM, Jiri Olsa wrote:
On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song
On Fri, Mar 12, 2021 at 04:09:53PM +, Song Liu wrote:
>
>
> > On Mar 12, 2021, at 7:45 AM, Song Liu wrote:
> >
> >
> >
> >> On Mar 12, 2021, at 4:12 AM, Jiri Olsa wrote:
> >>
> >> On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
> >>> perf uses performance monitoring counters
> On Mar 12, 2021, at 6:47 PM, Namhyung Kim wrote:
>
> On Sat, Mar 13, 2021 at 12:38 AM Song Liu wrote:
>>
>>
>>
>>> On Mar 12, 2021, at 12:36 AM, Namhyung Kim wrote:
>>>
>>> Hi,
>>>
>>> On Fri, Mar 12, 2021 at 11:03 AM Song Liu wrote:
perf uses performance monitoring
On Sat, Mar 13, 2021 at 12:38 AM Song Liu wrote:
>
>
>
> > On Mar 12, 2021, at 12:36 AM, Namhyung Kim wrote:
> >
> > Hi,
> >
> > On Fri, Mar 12, 2021 at 11:03 AM Song Liu wrote:
> >>
> >> perf uses performance monitoring counters (PMCs) to monitor system
> >> performance. The PMCs are limited
> On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo wrote:
>
> Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
>> perf uses performance monitoring counters (PMCs) to monitor system
>> performance. The PMCs are limited hardware resources. For example,
>> Intel CPUs have 3x
Em Fri, Mar 12, 2021 at 04:07:42PM +, Song Liu escreveu:
>
>
> > On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo
> > wrote:
> >
> > Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> >> perf uses performance monitoring counters (PMCs) to monitor system
> >> performance.
> On Mar 12, 2021, at 7:45 AM, Song Liu wrote:
>
>
>
>> On Mar 12, 2021, at 4:12 AM, Jiri Olsa wrote:
>>
>> On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
>>> perf uses performance monitoring counters (PMCs) to monitor system
>>> performance. The PMCs are limited hardware
> On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo wrote:
>
> Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
>> perf uses performance monitoring counters (PMCs) to monitor system
>> performance. The PMCs are limited hardware resources. For example,
>> Intel CPUs have 3x
> On Mar 12, 2021, at 4:12 AM, Jiri Olsa wrote:
>
> On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
>> perf uses performance monitoring counters (PMCs) to monitor system
>> performance. The PMCs are limited hardware resources. For example,
>> Intel CPUs have 3x fixed PMCs and 4x
> On Mar 12, 2021, at 12:36 AM, Namhyung Kim wrote:
>
> Hi,
>
> On Fri, Mar 12, 2021 at 11:03 AM Song Liu wrote:
>>
>> perf uses performance monitoring counters (PMCs) to monitor system
>> performance. The PMCs are limited hardware resources. For example,
>> Intel CPUs have 3x fixed PMCs
Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems
On Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu wrote:
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems use
Hi,
On Fri, Mar 12, 2021 at 11:03 AM Song Liu wrote:
>
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems use
20 matches
Mail list logo
