This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
Re: [PATCH][kprobe] enabling booster on the preemptible kernel
- From: Ingo Molnar <mingo at redhat dot com>
- To: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>
- Cc: "Keshavamurthy, Anil S" <anil dot s dot keshavamurthy at intel dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, "bibo,mao" <bibo dot mao at intel dot com>, Prasanna S Panchamukhi <prasanna at in dot ibm dot com>, Andrew Morton <akpm at osdl dot org>, linux-kernel <linux-kernel at vger dot kernel dot org>, SystemTAP <systemtap at sources dot redhat dot com>, Yumiko Sugita <yumiko dot sugita dot yf at hitachi dot com>, Satoshi Oshima <soshima at redhat dot com>, Hideo Aoki <haoki at redhat dot com>
- Date: Fri, 17 Nov 2006 16:04:03 +0100
- Subject: Re: [PATCH][kprobe] enabling booster on the preemptible kernel
- References: <455DAC83.3030505@hitachi.com>
On Fri, 2006-11-17 at 21:35 +0900, Masami Hiramatsu wrote:
> From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
>
> This patch enables the kprobe-booster on the preemptible kernel.
> For this purpose, I introduced a kind of garbage collector of
> the instruction slots. This garbage collector checks safety before
> releasing the garbage slots.
>
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
nice work - looks really sensible! This opens the door to djprobes (or
rather, to the transparent kprobes speedup that used to be a separate
interface), right?
Acked-by: Ingo Molnar <mingo@elte.hu>
Ingo