On Mon, Oct 21, 2019 at 09:59:42AM +0200, Ingo Molnar wrote:
>
> * Alexey Budankov wrote:
>
> > + /*
> > +* PMU specific parts of task perf context may require
> > +* additional synchronization, at least for proper Intel
> > +
On 21.10.2019 10:59, Ingo Molnar wrote:
>
> * Alexey Budankov wrote:
>
>> +/*
>> + * PMU specific parts of task perf context may require
>> + * additional synchronization, at least for proper Intel
>> + * LBR
* Alexey Budankov wrote:
> + /*
> + * PMU specific parts of task perf context may require
> + * additional synchronization, at least for proper Intel
> + * LBR callstack data profiling;
> +
Install Intel specific PMU task context synchronization adapter and
extend optimized context switch path with PMU specific task context
synchronization to fix LBR callstack virtualization on context switches.
Signed-off-by: Alexey Budankov
---
arch/x86/events/intel/core.c | 7 +++
Install Intel specific PMU task context synchronization adapter and
extend optimized context switch path with PMU specific task context
synchronization to fix LBR callstack virtualization on context switches.
Signed-off-by: Alexey Budankov
---
arch/x86/events/intel/core.c | 7 +++
5 matches
Mail list logo