From: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: Alexander Yarygin <yarygin@linux.vnet.ibm.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Christian Borntraeger <borntraeger@de.ibm.com>,
David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
Mike Galbraith <efault@gmx.de>,
Namhyung Kim <namhyung.kim@lge.com>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Stephane Eranian <eranian@google.com>
Subject: [PATCH 0/2] perf kvm stat live: Copy events
Date: Thu, 18 Sep 2014 21:07:37 +0400 [thread overview]
Message-ID: <1411060059-23589-1-git-send-email-yarygin@linux.vnet.ibm.com> (raw)
Hello,
This is a second attempt to fix 'perf kvm stat live' crash when it tries
to parse events that have been already overwritten by the kernel.
Previous thread: https://lkml.org/lkml/2014/9/12/450
Patches
- 1/2 is patch by David Ahern (https://lkml.org/lkml/2013/9/6/388)
rebased to the current upstream (hope I did it right). It adds an option
to copy events when they are pushed to the samples queue.
- 2/2 enables the copying for perf kvm stat live.
Looks like we have to live with possibility to get thousands malloc()s/free()s
per second...
Alexander Yarygin (2):
perf session: Add option to copy events when queueing
perf kvm stat live: Enable events copying
tools/perf/builtin-kvm.c | 1 +
tools/perf/util/ordered-events.c | 12 +++++++++---
tools/perf/util/ordered-events.h | 2 +-
tools/perf/util/session.c | 12 +++++++++---
tools/perf/util/session.h | 1 +
5 files changed, 21 insertions(+), 7 deletions(-)
--
1.9.1
next reply other threads:[~2014-09-18 17:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 17:07 Alexander Yarygin [this message]
2014-09-18 17:07 ` [PATCH 1/2] perf session: Add option to copy events when queueing Alexander Yarygin
2014-09-18 18:53 ` Arnaldo Carvalho de Melo
2014-09-18 20:21 ` David Ahern
2014-09-18 20:29 ` David Ahern
2014-09-19 8:48 ` Alexander Yarygin
2014-09-19 14:21 ` David Ahern
2014-09-19 16:25 ` Alexander Yarygin
2014-09-22 7:04 ` Jiri Olsa
2014-09-22 7:04 ` Jiri Olsa
2014-09-29 18:33 ` Arnaldo Carvalho de Melo
2014-09-18 17:07 ` [PATCH 2/2] perf kvm stat live: Enable events copying Alexander Yarygin
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