[Bug kprobes/2666] List active probes

["jamesd dot wi at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From jamesd dot wi at gmail dot com  2007-01-16 01:22 -------
Subject: Re:  List active probes

On 15 Jan 2007 10:38:58 -0000, srinivasa at in dot ibm dot com
<sourceware-bugzilla@sourceware.org> wrote:
>
> ------- Additional Comments From srinivasa at in dot ibm dot com  2007-01-15 10:38 -------
> Created an attachment (id=1494)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=1494&action=view)
>  --> (http://sourceware.org/bugzilla/attachment.cgi?id=1494&action=view)
> Patch to list active probes in the system.
>
> Jim
>   I have developed a patch, that lists all active probes on the system through
> the proc interface.  Somehow I couldn't able to send this patch to lkml last
> time. I did some minor changes to the patch to suit 2.6.20 kernel.
>
> Output looks like this
> ======================
> [root@llm31 a]# cat /proc/kprobes/list
> c0000000000c0720  r  .sys_write+0x0
> c0000000000c0720  k  .sys_write+0x0
> c00000000004c550  k  .do_fork+0x0
> c00000000004c550  k  .do_fork+0x0
> c00000000004c550  j  .do_fork+0x0
> c0000000000bfed4  r  .vfs_read+0x0
> c0000000000bddb4  r  .sys_open+0x0
> c0000000000c0694  r  .sys_read+0x0
> c0000000000c0694  k  .sys_read+0x0
> c00000000004c554  k  .do_fork+0x4
> d0000000000781b0  k  .autofs4_dentry_release+0x0  autofs4
> c0000000000275d0  k  kretprobe_trampoline+0x0
> c0000000000bfd18  k  .vfs_write+0x0
> ====================================
>   So please review my patch and let me know your suggestions,so that I
> incorporate those changes in my patch.
>
any idea how the system will respond when there are 40,000 active
probes or more?

James Dickens
uadmin.blogspot.com



>   Thanks
>     Srinivasa DS
>
>
> --
>
>
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