From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Vaibhav Nagarnaik <vnagarnaik@google.com>
Cc: Frederic Weisbecker <fweisbec@gmail.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 v2 3/6] trace: Add tracepoints to IRQ work run handler
Date: Thu, 28 Jul 2011 14:12:51 +0200 [thread overview]
Message-ID: <1311855171.2617.170.camel@laptop> (raw)
In-Reply-To: <1311793038-15155-4-git-send-email-vnagarnaik@google.com>
On Wed, 2011-07-27 at 11:57 -0700, Vaibhav Nagarnaik wrote:
> @@ -122,6 +123,7 @@ void irq_work_run(void)
> {
> struct irq_work *list;
>
> + trace_irq_work_run_entry(0);
> if (this_cpu_read(irq_work_list) == NULL)
> return;
>
> @@ -149,6 +151,7 @@ void irq_work_run(void)
> next_flags(NULL, IRQ_WORK_BUSY),
> NULL);
> }
> + trace_irq_work_run_exit(0);
> }
> EXPORT_SYMBOL_GPL(irq_work_run);
So what happens when we call irq_work_run() from the timer interrupt?
next prev parent reply other threads:[~2011-07-28 12:08 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
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 [this message]
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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