From: Ingo Molnar <mingo@elte.hu>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
ltt-dev@lists.casi.polymtl.ca,
Frederic Weisbecker <fweisbec@gmail.com>,
Jason Baron <jbaron@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Russell King <rmk+lkml@arm.linux.org.uk>,
Masami Hiramatsu <mhiramat@redhat.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Hideo AOKI <haoki@redhat.com>,
Takashi Nishiie <t-nishiie@np.css.fujitsu.com>,
Steven Rostedt <rostedt@goodmis.org>,
Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Subject: Re: [patch 3/9] LTTng instrumentation tasklets
Date: Tue, 24 Mar 2009 18:56:21 +0100 [thread overview]
Message-ID: <20090324175621.GE31117@elte.hu> (raw)
In-Reply-To: <20090324160148.238795468@polymtl.ca>
* Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> wrote:
> tasklet entry and exit events.
> +DEFINE_TRACE(irq_tasklet_high_entry);
> +DEFINE_TRACE(irq_tasklet_high_exit);
> +DEFINE_TRACE(irq_tasklet_low_entry);
> +DEFINE_TRACE(irq_tasklet_low_exit);
Dunno - tasklets are a legacy mechanism, not sure we want to
instrument them. That some tasklet activity happens will be obvious
from the softirq tracepoints already.
Anyway ... i guess we could do it if it's done via the more complete
TRACE_EVENT() mechanism in the tracing tree.
Ingo
next prev parent reply other threads:[~2009-03-24 17:58 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-24 15:56 [patch 0/9] LTTng core kernel instrumentation Mathieu Desnoyers
2009-03-24 15:56 ` [patch 1/9] IRQ handle prepare for instrumentation Mathieu Desnoyers
2009-03-24 15:56 ` [patch 2/9] LTTng instrumentation - irq Mathieu Desnoyers
2009-03-24 17:33 ` Jason Baron
2009-03-24 17:50 ` Ingo Molnar
2009-03-24 17:57 ` Jason Baron
2009-03-24 19:12 ` Ingo Molnar
2009-03-24 20:11 ` Mathieu Desnoyers
2009-03-24 20:51 ` Ingo Molnar
2009-03-25 8:47 ` Ingo Molnar
2009-03-25 18:30 ` Mathieu Desnoyers
2009-03-25 2:00 ` Steven Rostedt
2009-03-26 18:27 ` Mathieu Desnoyers
2009-03-27 22:53 ` Steven Rostedt
2009-04-02 2:42 ` Mathieu Desnoyers
2009-03-25 2:09 ` Steven Rostedt
2009-03-26 18:28 ` Mathieu Desnoyers
2009-03-27 19:18 ` Jason Baron
2009-03-24 19:14 ` Ingo Molnar
2009-03-27 22:12 ` Thomas Gleixner
2009-03-24 15:56 ` [patch 3/9] LTTng instrumentation tasklets Mathieu Desnoyers
2009-03-24 17:56 ` Ingo Molnar [this message]
2009-03-25 13:52 ` Chetan.Loke
2009-03-25 14:17 ` Peter Zijlstra
2009-03-25 17:37 ` Chetan.Loke
2009-03-25 17:52 ` Steven Rostedt
2009-03-24 15:56 ` [patch 4/9] LTTng instrumentation softirq Mathieu Desnoyers
2009-03-24 18:01 ` Ingo Molnar
2009-03-24 15:56 ` [patch 5/9] LTTng instrumentation scheduler fix task migration Mathieu Desnoyers
2009-03-24 17:53 ` Ingo Molnar
2009-03-24 15:56 ` [patch 6/9] LTTng instrumentation - timer Mathieu Desnoyers
2009-03-24 18:21 ` Ingo Molnar
2009-03-24 19:14 ` Thomas Gleixner
2009-03-24 20:47 ` Ingo Molnar
2009-03-27 22:05 ` Thomas Gleixner
2009-03-24 15:56 ` [patch 7/9] LTTng instrumentation - kernel Mathieu Desnoyers
2009-03-24 18:33 ` Ingo Molnar
2009-03-25 1:13 ` Rusty Russell
2009-03-25 8:40 ` Ingo Molnar
2009-03-25 13:06 ` Frederic Weisbecker
2009-03-24 15:56 ` [patch 8/9] LTTng instrumentation - filemap Mathieu Desnoyers
2009-03-24 18:39 ` Ingo Molnar
2009-03-24 15:56 ` [patch 9/9] LTTng instrumentation - swap Mathieu Desnoyers
2009-03-24 18:51 ` Ingo Molnar
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