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[Xen-tools] Re: [Xen-devel] Dprobe and Systemtap for Xen Tracing and Deb

To: rickey berkeley <rickey.berkeley@xxxxxxxxx>
Subject: [Xen-tools] Re: [Xen-devel] Dprobe and Systemtap for Xen Tracing and Debugging.
From: "Andrew D. Ball" <aball@xxxxxxxxxx>
Date: Mon, 31 Jul 2006 09:38:23 -0400
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Sounds like a great idea to me!  I doubt that the hypervisor itself is
already ready for kprobes, but I hope that it's not to hard to get
working ...


On Mon, 2006-07-31 at 21:00 +0800, rickey berkeley wrote:
> Hi folks 
> In linux kernel development, there is a debug tool called
> dprobe ,which can be used to dynamic insert the probes into the
> function of kernel source code and find what's goning on.There is also
> a tool called systemtap which is based on dprobe and kernel debug
> info.
> Using the kprobes infrastructure, SystemTap is being developed to
> dynamically instrument the kernel and user applications.
> In this way,we can diagnose complex problems without multiple rebuilds
> and reboots.
> Can xen use this kind of tools for xen tracing and debugging ? As we
> know ,the capability of performace tracing tools (xenoprof)for xen is
> limited comparing with dprobe and systemtap.Dose anyone have any good
> idea about this ?
> My idea is we cab make use of dprobe and systemtap to build a more
> powerful and covenient tool for xen performance tracing and
> debugging. 
> ----
> Regards 
> Ding Rui(Rickey)
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