linux-kernel - Re: [PATCH -tip v8 7/7] tracing: add kprobe-based event tracer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 30 May 2009 10:38:50 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	lkml <linux-kernel@...r.kernel.org>,
	systemtap <systemtap@...rces.redhat.com>,
	kvm <kvm@...r.kernel.org>,
	DLE <dle-develop@...ts.sourceforge.net>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Tom Zanussi <tzanussi@...il.com>
Subject: Re: [PATCH -tip v8 7/7] tracing: add kprobe-based event tracer

Christoph Hellwig wrote:
> On Thu, May 28, 2009 at 08:03:53PM -0400, Masami Hiramatsu wrote:
>> Add kprobes-based event tracer on ftrace.
> 
> Wouldn't it make more sense to call this the dynamic event tracer?
> 
> The use of kprobes is more an implementation detail than something
> the user cares about.

Hmm, I don't think so, because other tracers (e.g. hw breakpoint tracer)
can also add their events dynamically by trace_add/remove_event_call.
It's more flexible than this tracer includes those events.

Thank you,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/