From: Don Mullis <dwm@meer.net>
To: Akinobu Mita <mita@miraclelinux.com>
Cc: linux-kernel@vger.kernel.org, ak@suse.de, akpm@osdl.org
Subject: Re: [patch 7/8] process filtering for fault-injection capabilities
Date: Tue, 19 Sep 2006 10:38:30 -0700 [thread overview]
Message-ID: <1158687510.2509.17.camel@localhost.localdomain> (raw)
In-Reply-To: <20060919090508.GC24271@miraclelinux.com>
On Tue, 2006-09-19 at 17:05 +0800, Akinobu Mita wrote:
> On Mon, Sep 18, 2006 at 10:54:51PM -0700, Don Mullis wrote:
> > Add functionality to the process_filter variable: A negative argument
> > injects failures for only for pid==-process_filter, thereby permitting
> > per-process failures from boot time.
> >
>
> Is it better to add new filter for this purpose?
> Because someone may want to filter by tgid instead of pid.
>
> - positive value is for task->pid
> - nevative value is for task->tgid
Your idea sounds good to me.
> > Add printk, called upon each failure injection.
> >
>
> This printk() will be very useful. But it is better to make
> configurable, and the pid is not reliable in interrupt context.
Okay. We do need some output now, for testing.
next prev parent reply other threads:[~2006-09-19 17:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-14 10:20 [patch 0/8] fault-injection capabilities (v3) Akinobu Mita
2006-09-14 10:20 ` [patch 1/8] documentation and scripts Akinobu Mita
2006-09-19 5:50 ` Don Mullis
2006-09-19 9:01 ` Akinobu Mita
2006-09-14 10:20 ` [patch 2/8] fault-injection capabilities infrastructure Akinobu Mita
2006-09-19 5:50 ` Don Mullis
2006-09-19 9:03 ` Akinobu Mita
2006-09-14 10:20 ` [patch 3/8] fault-injection capability for kmalloc Akinobu Mita
2006-09-14 10:20 ` [patch 4/8] fault-injection capability for alloc_pages() Akinobu Mita
2006-09-14 10:20 ` [patch 5/8] fault-injection capability for disk IO Akinobu Mita
2006-09-14 10:20 ` [patch 6/8] debugfs entries for configuration Akinobu Mita
2006-09-19 5:52 ` Don Mullis
2006-09-14 10:20 ` [patch 7/8] process filtering for fault-injection capabilities Akinobu Mita
2006-09-19 5:54 ` Don Mullis
2006-09-19 9:05 ` Akinobu Mita
2006-09-19 17:38 ` Don Mullis [this message]
2006-09-19 5:55 ` Don Mullis
2006-09-14 10:20 ` [patch 8/8] stacktrace " Akinobu Mita
2006-09-19 5:56 ` Don Mullis
2006-09-19 9:08 ` Akinobu Mita
2006-09-19 5:57 ` Don Mullis
2006-09-19 9:09 ` Akinobu Mita
2006-09-19 17:35 ` Don Mullis
2006-09-20 13:39 ` Akinobu Mita
2006-09-20 20:02 ` Don Mullis
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