linux-kernel - Re: Human readable output for function return tracer

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Message-ID: <20081125154054.GA21493@elte.hu>
Date:	Tue, 25 Nov 2008 16:40:54 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Human readable output for function return tracer


* Ingo Molnar <mingo@...e.hu> wrote:

> > Do you agree with "full function tracer" (since we hook now on the 
> > two sides)?
> 
> "full function tracer" sounds a bit funny and quirky. How about 
> "function call tracer"? Versus the "function tracer" or "function 
> entry tracer" which is the lighter variant - both in name and in 
> overhead. So we'd have:
> 
>  # cat /debug/tracing/available_tracers 
>  mmiotrace wakeup irqsoff function function-call sysprof sched_switch initcall nop
> 
> note how intuitive it is: "function-call" is 'more' than just the 
> plain function-tracer. It also expresses its main property: it 
> traces the full call, entry and exit and return code as well.

another similar naming would be: the "function-graph" tracer. 
function-callgraph would be too long.

i think "function-call" is the best of all - relatively short and 
expressive.

	Ingo
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