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Re: [RFC][PATCH][kprobe] enabling booster on the preemptible kernel, take 2
- From: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>
- To: Ingo Molnar <mingo at redhat dot com>
- Cc: "bibo,mao" <bibo_mao at linux dot intel dot com>, "bibo,mao" <bibo dot mao at intel dot com>, "Keshavamurthy, Anil S" <anil dot s dot keshavamurthy at intel dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Prasanna S Panchamukhi <prasanna at in dot ibm dot com>, SystemTAP <systemtap at sources dot redhat dot com>, Satoshi Oshima <soshima at redhat dot com>, Hideo Aoki <haoki at redhat dot com>, Yumiko Sugita <yumiko dot sugita dot yf at hitachi dot com>
- Date: Tue, 31 Oct 2006 23:12:17 +0900
- Subject: Re: [RFC][PATCH][kprobe] enabling booster on the preemptible kernel, take 2
- Organization: Systems Development Lab., Hitachi, Ltd., Japan
- References: <45338593.6090207@hitachi.com> <45459D94.8060905@intel.com> <454606EC.1030807@hitachi.com> <4546BCE7.9030008@linux.intel.com> <45474CDB.3080705@hitachi.com> <1162302533.15286.295.camel@earth>
Hi Ingo,
Ingo Molnar wrote:
> another thought:
>
> would it help if we extended the 'soft lockup watchdog' with periodic
> 'try whether the whole system can be frozen' checks? That would make
> testing coverage alot wider, and it would also give kernel developers an
> easy way to make sure the kernel is still freezable. (instead of having
> to try something like sw-suspend explicitly)
It seems useful to me, I'll check that.
Thank you!
--
Masami HIRAMATSU
Linux Technology Center
Hitachi, Ltd., Systems Development Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com