From: Felipe Balbi <balbi@kernel.org>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>, linux-usb@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: usb: gadget: u_serial: process RX in workqueue instead of tasklet
Date: Mon, 17 Dec 2018 08:59:42 +0200 [thread overview]
Message-ID: <87o99kzli9.fsf@linux.intel.com> (raw)
Hi,
Michał Mirosław <mirq-linux@rere.qmqm.pl> writes:
> Switch RX processing from tasklet to (delayed) work queue. This allows
> receiver more room to process incoming data and prevents flood of
> "ttyGS0: RX not scheduled?" messages on HS receive on slow CPU.
>
> A side effect is 2.4MB/s zmodem transfer speed (up from 1.8MB/s)
> on my test board.
>
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
how have you tested this? Specially, how have you measured throughput? I
want to try and reproduce it here.
next reply other threads:[~2018-12-17 6:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 6:59 Felipe Balbi [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-12-17 13:50 usb: gadget: u_serial: process RX in workqueue instead of tasklet Michał Mirosław
2018-12-16 20:23 Michał Mirosław
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87o99kzli9.fsf@linux.intel.com \
--to=balbi@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-usb@vger.kernel.org \
--cc=mirq-linux@rere.qmqm.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.