From: Oleg Nesterov <oleg@redhat.com>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org,
"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
"Paul Mackerras" <paulus@samba.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Arnaldo Carvalho de Melo" <acme@ghostprotocols.net>,
trinity@vger.kernel.org,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
"Jiri Olsa" <jolsa@redhat.com>
Subject: Re: WARN_ONCE in arch/x86/kernel/hw_breakpoint.c
Date: Tue, 28 May 2013 20:47:02 +0200 [thread overview]
Message-ID: <20130528184702.GA6455@redhat.com> (raw)
In-Reply-To: <20130528172829.GA2810@redhat.com>
On 05/28, Oleg Nesterov wrote:
>
> IIRC, I already tried to complain that perf could be smarter in this case
> and install a single counter with event->cpu = -1, but this is offtopic.
Just in case, please see my old email
http://marc.info/?l=linux-kernel&m=136017983113299
I didn't check if perf was changed since then. And I forgot everything
(not too much ;) I learned after I briefly looked into tools/perf/.
But, again, this is off-topic.
Oleg.
next prev parent reply other threads:[~2013-05-28 18:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-20 16:19 WARN_ONCE in arch/x86/kernel/hw_breakpoint.c Vince Weaver
2013-05-28 17:00 ` Oleg Nesterov
2013-05-28 17:28 ` Oleg Nesterov
2013-05-28 18:47 ` Oleg Nesterov [this message]
2013-05-29 16:32 ` [MAYBEPATCH] : " Oleg Nesterov
2013-06-01 18:20 ` [PATCH 0/2]: " Oleg Nesterov
2013-06-01 18:21 ` [PATCH 1/2] hw_breakpoint: Fix cpu check in task_bp_pinned(cpu) Oleg Nesterov
2013-06-13 14:20 ` Frederic Weisbecker
2013-06-01 18:21 ` [PATCH 2/2] hw_breakpoint: Use cpu_possible_mask in {reserve,release}_bp_slot() Oleg Nesterov
2013-06-15 12:46 ` Frederic Weisbecker
2013-06-01 19:45 ` [PATCH 0/3] hw_breakpoint: cleanups Oleg Nesterov
2013-06-01 19:45 ` [PATCH 1/3] hw_breakpoint: Simplify list/idx mess in toggle_bp_slot() paths Oleg Nesterov
2013-06-15 12:59 ` Frederic Weisbecker
2013-06-01 19:46 ` [PATCH 2/3] hw_breakpoint: Simplify the "weight" usage " Oleg Nesterov
2013-06-15 13:14 ` Frederic Weisbecker
2013-06-01 19:46 ` [PATCH 3/3] hw_breakpoint: Introduce cpumask_of_bp() Oleg Nesterov
2013-06-15 13:29 ` Frederic Weisbecker
2013-06-13 14:01 ` [PATCH 0/3] hw_breakpoint: cleanups Frederic Weisbecker
2013-06-13 15:15 ` Oleg Nesterov
2013-06-13 15:24 ` Frederic Weisbecker
2013-06-02 19:49 ` [PATCH 0/2] hw_breakpoint: more cleanups Oleg Nesterov
2013-06-02 19:50 ` [PATCH 1/2] hw_breakpoint: Simplify *register_wide_hw_breakpoint() Oleg Nesterov
2013-06-18 0:12 ` Frederic Weisbecker
2013-06-02 19:50 ` [PATCH 2/2] hw_breakpoint: Introduce "struct bp_cpuinfo" Oleg Nesterov
2013-06-18 12:37 ` Frederic Weisbecker
2013-06-18 14:42 ` Oleg Nesterov
2013-06-18 17:01 ` Frederic Weisbecker
2013-06-19 15:54 ` Oleg Nesterov
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