From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@redhat.com, hpa@zytor.com, mathieu.desnoyers@polymtl.ca,
anton@samba.org, linux-kernel@vger.kernel.org,
peterz@infradead.org, zhaolei@cn.fujitsu.com,
xiaoguangrong@cn.fujitsu.com, fweisbec@gmail.com,
tglx@linutronix.de, kosaki.motohiro@jp.fujitsu.com,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:timers/tracing] hrtimer: Add tracepoint for hrtimers
Date: Tue, 13 Oct 2009 15:26:56 +0200 [thread overview]
Message-ID: <20091013132656.GA12292@elte.hu> (raw)
In-Reply-To: <1255439822.7113.1541.camel@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 2009-10-13 at 09:08 +0200, Ingo Molnar wrote:
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> >
>
> > > (unsigned long long)(((ktime_t) { .tv64 = REC->expires }).tv64)
> > >
> > > Is not easy. It's basically implementing a C interpreter :-(
> >
> > Btw., what i suggested quite some time ago was that we should bind
> > tracepoints by emitting C source code stubs, which tools can then build
> > and link in, using gcc.
>
> Yeah, and I thought about that too. But that kills any chance of
> running the trace on one box (non x86) and reading it on another
> (x86). And that is one of my goals for this.
Why does it kill that chance?
Ingo
next prev parent reply other threads:[~2009-10-13 13:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-10 2:48 [PATCH v6 1/3] ftrace: add tracepoint for timer Xiao Guangrong
2009-08-10 2:51 ` [PATCH v6 2/3] ftrace: add tracepoint for hrtimer Xiao Guangrong
2009-09-02 12:18 ` [tip:timers/tracing] hrtimer: Add tracepoint for hrtimers tip-bot for Xiao Guangrong
2009-10-13 3:25 ` Steven Rostedt
2009-10-13 7:08 ` Ingo Molnar
2009-10-13 13:17 ` Steven Rostedt
2009-10-13 13:18 ` Steven Rostedt
2009-10-13 13:26 ` Ingo Molnar [this message]
2009-10-13 14:02 ` Steven Rostedt
2009-10-13 15:35 ` [RFC] Trace types registry Mathieu Desnoyers
2009-10-13 18:41 ` [tip:timers/tracing] hrtimer: Add tracepoint for hrtimers Ingo Molnar
2009-10-13 18:56 ` Steven Rostedt
2009-10-13 7:48 ` Peter Zijlstra
2009-08-10 2:52 ` [PATCH v6 3/3] ftrace: add tracepoint for itimer Xiao Guangrong
2009-09-02 12:18 ` [tip:timers/tracing] itimers: Add tracepoints " tip-bot for Xiao Guangrong
2009-09-02 12:18 ` [tip:timers/tracing] timers: Add tracepoints for timer_list timers tip-bot for Xiao Guangrong
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