From: Peter Zijlstra <peterz@infradead.org>
To: kan.liang@intel.com
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, acme@kernel.org,
tglx@linutronix.de, alexander.shishkin@linux.intel.com,
vince@deater.net, eranian@google.com, andi@firstfloor.org,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH] perf/core: introduce context per CPU event list
Date: Thu, 10 Nov 2016 09:33:55 +0100 [thread overview]
Message-ID: <20161110083355.GO3568@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1478718286-12824-1-git-send-email-kan.liang@intel.com>
Yes this is a problem, but no this cannot be done. We can't have per-cpu
storage per task. That rapidly explodes.
Mark is looking at replacing this stuff with an rb-tree for big-little,
that would also allow improving this I think.
next prev parent reply other threads:[~2016-11-10 8:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 19:04 [PATCH] perf/core: introduce context per CPU event list kan.liang
2016-11-10 8:33 ` Peter Zijlstra [this message]
2016-11-10 11:05 ` Mark Rutland
2016-11-10 11:37 ` Peter Zijlstra
2016-11-10 12:04 ` Mark Rutland
2016-11-10 12:12 ` Peter Zijlstra
2016-11-10 12:26 ` Mark Rutland
2016-11-10 12:58 ` Peter Zijlstra
2016-11-10 14:10 ` Mark Rutland
2016-11-10 14:31 ` Liang, Kan
2016-11-10 16:26 ` Peter Zijlstra
2016-11-10 17:01 ` Mark Rutland
[not found] ` <1483302059-4334-1-git-send-email-davidcc@google.com>
2017-01-01 21:18 ` David Carrillo-Cisneros
2017-01-03 12:00 ` Mark Rutland
2017-01-04 0:39 ` David Carrillo-Cisneros
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161110083355.GO3568@worktop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=acme@kernel.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=andi@firstfloor.org \
--cc=eranian@google.com \
--cc=kan.liang@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
--cc=vince@deater.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.