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Re: beaverton meeting minutes
- From: Masami Hiramatsu <hiramatu at sdl dot hitachi dot co dot jp>
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: systemtap at sources dot redhat dot com
- Date: Fri, 25 Nov 2005 09:29:22 +0900
- Subject: Re: beaverton meeting minutes
- References: <20051122223335.GE21608@redhat.com>
Hi, Frank
Thank you for the minuites.
Frank Ch. Eigler wrote:
> 2005-11-15
>
> 15:40
> - djprobes demo
> - overhead target: probing at 30 kHz with 1% overhead; 300 ns/probe
> - handler must save/restore register state
Djprobe's handler need not save/restore registers by itself.
Djprobe provides struct pt_regs * argument for handlers.
Regards,
--
Masami HIRAMATSU
2nd Research Dept.
Hitachi, Ltd., Systems Development Laboratory
E-mail: hiramatu@sdl.hitachi.co.jp