From: fan.du@windriver.com (Fan Du)
To: kernelnewbies@lists.kernelnewbies.org
Subject: How can I 'getchar()' in module code?
Date: Fri, 6 Dec 2013 09:40:17 +0800 [thread overview]
Message-ID: <52A12B01.50903@windriver.com> (raw)
In-Reply-To: <CAJFpru+PKKAVHG6yUUqdvMRqu5Era5c2+C4cQ=yUejgDSKCaqQ@mail.gmail.com>
On 2013?12?03? 20:35, ??? wrote:
> For debugging purpose, I want something like 'getchar()' that can pause execution in the module code. Do any candidates I can choose?
>
Create a /proc/knob to turn on or off your code path flow on fly, instead of using user space getchar.
Otherwise, you should looking into other more promising debug method.
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
--
?????????
--fan fan
prev parent reply other threads:[~2013-12-06 1:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-03 12:35 How can I 'getchar()' in module code? 乃宏周
2013-12-03 13:20 ` Daniel Baluta
2013-12-03 13:38 ` Valdis.Kletnieks at vt.edu
2013-12-03 14:20 ` Bernd Petrovitsch
2013-12-04 21:21 ` Daniel Baluta
2013-12-05 13:14 ` Bernd Petrovitsch
2013-12-05 1:34 ` Peter Teoh
2013-12-05 4:45 ` 乃宏周
2013-12-06 1:40 ` Fan Du [this message]
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=52A12B01.50903@windriver.com \
--to=fan.du@windriver.com \
--cc=kernelnewbies@lists.kernelnewbies.org \
/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.