From: Jiri Slaby <jirislaby@kernel.org>
To: Walt Drummond <walt@drummond.us>,
agordeev@linux.ibm.com, arnd@arndb.de, benh@kernel.crashing.org,
borntraeger@de.ibm.com, chris@zankel.net, davem@davemloft.net,
gregkh@linuxfoundation.org, hca@linux.ibm.com, deller@gmx.de,
ink@jurassic.park.msu.ru, James.Bottomley@HansenPartnership.com,
mattst88@gmail.com, jcmvbkbc@gmail.com, mpe@ellerman.id.au,
paulus@samba.org, rth@twiddle.net, dalias@libc.org,
tsbogend@alpha.franken.de, gor@linux.ibm.com,
ysato@users.osdn.me
Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org,
ar@cs.msu.ru, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 3/3] vstatus: Display an informational message when the VSTATUS character is pressed or TIOCSTAT ioctl is called.
Date: Mon, 7 Feb 2022 06:38:16 +0100 [thread overview]
Message-ID: <35f29dbd-04ec-037e-007c-7a079caf0d5b@kernel.org> (raw)
In-Reply-To: <20220206154856.2355838-4-walt@drummond.us>
On 06. 02. 22, 16:48, Walt Drummond wrote:
> When triggered by pressing the VSTATUS key or calling the TIOCSTAT
> ioctl, the n_tty line discipline will display a message on the user's
> tty that provides basic information about the system and an
> 'interesting' process in the current foreground process group, eg:
>
> load: 0.58 cmd: sleep 744474 [sleeping] 0.36r 0.00u 0.00s 0% 772k
>
> The status message provides:
> - System load average
> - Command name and process id (from the perspective of the session)
> - Scheduler state
> - Total wall-clock run time
> - User space run time
> - System space run time
> - Percentage of on-cpu time
> - Resident set size
>
> The message is only displayed when the tty has the VSTATUS character
> set, the local flags ICANON and IEXTEN are enabled and NOKERNINFO is
> disabled; it is always displayed when TIOCSTAT is called regardless of
> tty settings.
>
> Signed-off-by: Walt Drummond <walt@drummond.us>
> ---
It looks like my comments were addressed. However you did not document
the chances since v1 here. IOW, [v2] tag missing here.
And please add the CCs I added last time, so that relevant people still
can comment.
thanks,
--
js
suse labs
prev parent reply other threads:[~2022-02-07 5:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-06 15:48 [PATCH v2 0/3] vstatus: TTY status message request Walt Drummond
2022-02-06 15:48 ` [PATCH v2 1/3] vstatus: Allow the n_tty line dicipline to write to a user tty Walt Drummond
2022-02-06 15:48 ` [PATCH v2 2/3] status: Add user space API definitions for VSTATUS, NOKERNINFO and TIOCSTAT Walt Drummond
2022-02-06 17:09 ` Greg KH
2022-02-06 15:48 ` [PATCH v2 3/3] vstatus: Display an informational message when the VSTATUS character is pressed or TIOCSTAT ioctl is called Walt Drummond
2022-02-06 17:16 ` Greg KH
2022-02-06 21:25 ` Arseny Maslennikov
2022-02-06 22:44 ` Arseny Maslennikov
2022-02-07 5:38 ` Jiri Slaby [this message]
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