|
|
Subscribe / Log in / New account

perf: Finer grained full dynticks handling

From:  Frederic Weisbecker <fweisbec@gmail.com>
To:  Peter Zijlstra <peterz@infradead.org>
Subject:  [PATCH 0/8] perf: Finer grained full dynticks handling
Date:  Tue, 23 Jul 2013 02:30:58 +0200
Message-ID:  <1374539466-4799-1-git-send-email-fweisbec@gmail.com>
Cc:  LKML <linux-kernel@vger.kernel.org>, Frederic Weisbecker <fweisbec@gmail.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, Ingo Molnar <mingo@kernel.org>, Arnaldo Carvalho de Melo <acme@redhat.com>, Stephane Eranian <eranian@google.com>, Don Zickus <dzickus@redhat.com>, "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>, Anish Singh <anish198519851985@gmail.com>
Archive‑link:  Article

Hi,

This patchset inspires from Peterz patch in http://marc.info/?l=linux-kernel&m=137155182121860
to make perf retain the timer tick less often, ie: only when there are freq events
or when one throttles.

The main purpose is to make the lockup detector work with full dynticks, as I suspect
that distros want to enable both...


You can fetch from:

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	perf/nohz

Thanks,
	Frederic
---

Frederic Weisbecker (8):
      perf: Fix branch stack refcount leak on callchain init failure
      perf: Sanitize get_callchain_buffer()
      perf: Gather event accounting code
      perf: Split per cpu event accounting code
      perf: Migrate per cpu event accounting
      perf: Account freq events per cpu
      perf: Finer grained full dynticks kick
      watchdog: Remove hack to make full dynticks working


 kernel/events/callchain.c |    2 +
 kernel/events/core.c      |  203 ++++++++++++++++++++++++++++-----------------
 kernel/watchdog.c         |    8 --
 3 files changed, 128 insertions(+), 85 deletions(-)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Copyright © 2013, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds