Re: [PATCH V5 0/6] perf and x86/intel_rdt: Fix lack of coordination with perf

From: Thomas Gleixner
Date: Thu Sep 27 2018 - 16:39:39 EST


On Fri, 21 Sep 2018, Reinette Chatre wrote:

> Dear Maintainers,

Sorry for replying late.

> On 9/20/2018 7:11 AM, Peter Zijlstra wrote:
> > On Wed, Sep 19, 2018 at 10:29:05AM -0700, Reinette Chatre wrote:
> >> Reinette Chatre (6):
> >> perf/core: Add sanity check to deal with pinned event failure
> >> perf/x86: Add helper to obtain performance counter index
> >> x86/intel_rdt: Remove local register variables
> >> x86/intel_rdt: Create required perf event attributes
> >> x86/intel_rdt: Use perf infrastructure for measurements
> >> x86/intel_rdt: Re-enable pseudo-lock measurements
> >>
> >> Documentation/x86/intel_rdt_ui.txt | 22 +-
> >> arch/x86/events/core.c | 21 ++
> >> arch/x86/include/asm/perf_event.h | 1 +
> >> arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c | 372 ++++++++++++--------
> >> kernel/events/core.c | 6 +
> >> 5 files changed, 261 insertions(+), 161 deletions(-)
> >
> > Yeah, these look good, thanks!
> >
> > Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> >
>
> Could you please consider this series for inclusion into v4.19?

So in principle I'm having no objections as this really is mostly a RDT
only issue.

Peter, any objections against the Perf part of it, aside the core patch
which is an obvious fix?

Thanks,

tglx