lkml.org 
[lkml]   [2018]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v1 2/2] perf/core: Add support for PMUs that can be read from any CPU
On 02/23/2018 04:19 PM, Saravana Kannan wrote:
> Some PMUs events can be read from any CPU. So allow the PMU to mark
> events as such. For these events, we don't need to reject reads or
> make smp calls to the event's CPU and cause unnecessary wake ups.
>
> Good examples of such events would be events from caches shared across
> all CPUs.
>
> Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
> ---
> include/linux/perf_event.h | 3 +++
> kernel/events/core.c | 10 ++++++++--
> 2 files changed, 11 insertions(+), 2 deletions(-)
>
>

Ugh! Didn't mean to chain these two emails. This one is independent of
the other email.

-Saravana

--
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

\
 
 \ /
  Last update: 2018-02-24 01:57    [W:0.397 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site