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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Vaibhav Nagarnaik <vnagarnaik@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Michael Rubin <mrubin@google.com>,
	David Sharp <dhsharp@google.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH 4/6] trace: Add tracepoints to reschedule interrupt handler
Date: Fri, 15 Jul 2011 10:48:02 +0200	[thread overview]
Message-ID: <1310719682.2586.289.camel@twins> (raw)
In-Reply-To: <20110714220233.GC26786@somewhere.redhat.com>

On Fri, 2011-07-15 at 00:02 +0200, Frederic Weisbecker wrote:
> > This is a part of overall effort to trace all the interrupts happening
> > in a system to figure out what time is spent in kernel space versus user
> > space. 

How about you enable CONFIG_IRQ_TIME_ACCOUNTING and get all that?

  reply	other threads:[~2011-07-15  8:48 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-14 21:38 [PATCH 0/6] Add tracepoints to trace all system IRQs Vaibhav Nagarnaik
2011-07-14 21:38 ` [PATCH 1/6] trace,x86: Add tracepoint to x86 timer interrupt handler Vaibhav Nagarnaik
2011-07-14 21:38 ` [PATCH 2/6] trace: Add tracepoints to timer interrupt handlers Vaibhav Nagarnaik
2011-07-14 21:38 ` [PATCH 3/6] trace: Add tracepoints to IRQ work run handler Vaibhav Nagarnaik
2011-07-14 22:09   ` Frederic Weisbecker
2011-07-14 23:01     ` Vaibhav Nagarnaik
2011-07-14 21:38 ` [PATCH 4/6] trace: Add tracepoints to reschedule interrupt handler Vaibhav Nagarnaik
2011-07-14 22:02   ` Frederic Weisbecker
2011-07-15  8:48     ` Peter Zijlstra [this message]
2011-07-15 17:50       ` David Sharp
2011-07-21 12:31         ` Peter Zijlstra
2011-07-21 18:04           ` Vaibhav Nagarnaik
2011-07-14 21:38 ` [PATCH 5/6] trace: Add tracepoints to call function interrupt handlers Vaibhav Nagarnaik
2011-07-14 22:05   ` Frederic Weisbecker
2011-07-14 23:02     ` Vaibhav Nagarnaik
2011-07-14 23:05       ` Frederic Weisbecker
2011-07-14 21:38 ` [PATCH 6/6] trace,x86: Add platform_irq_vector_{entry|exit} trace events Vaibhav Nagarnaik
2011-07-27 18:57 ` [PATCH v2 0/6] Add tracepoints to trace all system IRQs Vaibhav Nagarnaik
2011-07-28 12:12   ` Peter Zijlstra
2011-07-28 12:31     ` Frederic Weisbecker
2011-07-28 12:53       ` Peter Zijlstra
2011-07-28 13:09         ` Frederic Weisbecker
2011-07-28 13:28           ` Peter Zijlstra
2011-07-28 14:10       ` Peter Zijlstra
2011-07-28 14:08         ` Frederic Weisbecker
2011-07-28 17:39           ` Vaibhav Nagarnaik
2011-07-27 18:57 ` [PATCH v2 1/6] trace,x86: Add tracepoint to x86 timer interrupt handler Vaibhav Nagarnaik
2011-07-27 18:57 ` [PATCH v2 2/6] trace: Add tracepoints to timer interrupt handlers Vaibhav Nagarnaik
2011-07-27 18:57 ` [PATCH v2 3/6] trace: Add tracepoints to IRQ work run handler Vaibhav Nagarnaik
2011-07-28 12:12   ` Peter Zijlstra
2011-07-28 13:29     ` Frederic Weisbecker
2011-07-28 13:49       ` Peter Zijlstra
2011-07-28 14:04         ` Frederic Weisbecker
2011-07-27 18:57 ` [PATCH v2 4/6] trace: Add tracepoints to reschedule interrupt handler Vaibhav Nagarnaik
2011-07-28 12:12   ` Peter Zijlstra
2011-07-27 18:57 ` [PATCH v2 5/6] trace: Add tracepoints to call function interrupt handlers Vaibhav Nagarnaik
2011-07-28 12:17   ` Peter Zijlstra
2011-07-27 18:57 ` [PATCH v2 6/6] trace,x86: Add platform_irq_vector_{entry|exit} trace events Vaibhav Nagarnaik

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