From: Vince Weaver <vweaver1@eecs.utk.edu>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
acme@redhat.com
Subject: Re: perf: regression -- missing /sys/devices/system/cpu/perf_events
Date: Tue, 24 May 2011 13:42:35 -0400 (EDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1105241341160.24062@cl320.eecs.utk.edu> (raw)
In-Reply-To: <1306246306.18455.36.camel@twins>
On Tue, 24 May 2011, Peter Zijlstra wrote:
> A much more reliable way is simply doing the syscall and seeing what
> happens. But if you want to poke around in sysfs, /sys/bus/event_source/
> is the new location.
It's been suggested that they can look for the existence of:
/proc/sys/kernel/perf_event_paranoid
is that something not likely to go away?
Vince
next prev parent reply other threads:[~2011-05-24 17:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 13:59 perf: regression -- missing /sys/devices/system/cpu/perf_events Vince Weaver
2011-05-24 14:11 ` Peter Zijlstra
2011-05-24 17:42 ` Vince Weaver [this message]
2011-05-24 19:48 ` Ingo Molnar
2011-05-24 20:12 ` Vince Weaver
2011-05-24 20:57 ` David Ahern
2011-05-24 21:29 ` Ingo Molnar
2011-06-03 21:54 ` [patch] perf - comment /proc/sys/kernel/perf_event_paranoid to be part of user ABI Vince Weaver
2011-06-04 10:23 ` Ingo Molnar
2011-06-04 11:06 ` [tip:perf/core] perf: Comment " tip-bot for Vince Weaver
2011-05-24 21:37 ` perf: regression -- missing /sys/devices/system/cpu/perf_events Ingo Molnar
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