From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-input@vger.kernel.org, devicetree@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Jiri Slaby <jslaby@suse.com>,
kernel@collabora.com
Subject: Re: [PATCH 6/6] tty/sysrq: Add configurable handler to execute a compound action
Date: Mon, 11 May 2020 18:21:13 +0200 [thread overview]
Message-ID: <20200511162113.GC2221063@kroah.com> (raw)
In-Reply-To: <20200511135918.8203-7-andrzej.p@collabora.com>
On Mon, May 11, 2020 at 03:59:18PM +0200, Andrzej Pietrasiewicz wrote:
> Some userland might want to execute e.g. 'w' (show blocked tasks), followed
> by 's' (sync), followed by 1000 ms delay and then followed by 'c' (crash)
> upon a single magic SysRq. Or one might want to execute the famous "Raising
> Elephants Is So Utterly Boring" action. This patch adds a configurable
> handler, triggered with 'C', for this exact purpose. The user specifies the
> composition of the compound action using syntax similar to getopt, where
> each letter corresponds to an individual action and a colon followed by a
> number corresponds to a delay of that many milliseconds, e.g.:
>
> ws:1000c
>
> or
>
> r:100eis:1000ub
Cute, but why? Who needs/wants this type of thing?
And again, no documentation :(
greg k-h
next prev parent reply other threads:[~2020-05-11 16:29 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 13:59 [PATCH 0/6] Magic SysRq extensions Andrzej Pietrasiewicz
2020-05-11 13:59 ` [PATCH 1/6] tty/sysrq: Remove linux,sysrq-reset-seq Andrzej Pietrasiewicz
2020-05-11 17:58 ` Dmitry Torokhov
2020-05-12 9:21 ` Andrzej Pietrasiewicz
2020-05-11 13:59 ` [PATCH 2/6] dt-bindings: input: Remove linux,sysrq-reset-seq binding Andrzej Pietrasiewicz
2020-05-11 13:59 ` [PATCH 3/6] tty/sysrq: Allow configurable SysRq key Andrzej Pietrasiewicz
2020-05-11 16:18 ` Greg Kroah-Hartman
2020-05-11 18:01 ` Dmitry Torokhov
2020-05-12 9:46 ` Andrzej Pietrasiewicz
2020-06-19 16:28 ` [PATCH] tty/sysrq: Add alternative " Andrzej Pietrasiewicz
2020-06-21 21:21 ` Pavel Machek
2020-06-26 11:07 ` Andrzej Pietrasiewicz
2020-06-22 6:24 ` Jiri Slaby
2020-06-26 11:51 ` Andrzej Pietrasiewicz
2020-07-09 5:05 ` Dmitry Torokhov
2020-07-09 8:15 ` Andrzej Pietrasiewicz
2020-05-11 13:59 ` [PATCH 4/6] tty/sysrq: Extend the sysrq_key_table to cover capital letters Andrzej Pietrasiewicz
2020-05-11 13:59 ` [PATCH 5/6] tty/sysrq: Add configurable handler to signal a process Andrzej Pietrasiewicz
2020-05-11 16:20 ` Greg Kroah-Hartman
2020-05-14 9:06 ` kbuild test robot
2020-05-11 13:59 ` [PATCH 6/6] tty/sysrq: Add configurable handler to execute a compound action Andrzej Pietrasiewicz
2020-05-11 16:21 ` Greg Kroah-Hartman [this message]
2020-05-11 18:29 ` Dmitry Torokhov
2020-05-12 9:15 ` Andrzej Pietrasiewicz
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