OpenVZ Forum


Home » Mailing lists » Devel » Per container statistics (containerstats)
Re: Per container statistics (containerstats) [message #13922 is a reply to message #13921] Fri, 08 June 2007 02:28 Go to previous messageGo to previous message
Paul Menage is currently offline  Paul Menage
Messages: 642
Registered: September 2006
Senior Member
On 6/7/07, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> > this needs tasklist_lock?
> >
>
> rcu_read_lock() should be fine. From Eric's patch at
>
> 2.6.17-mm2 - proc-remove-tasklist_lock-from-proc_pid_readdir.patch
>
> The patch mentions that "We don't need the tasklist_lock to safely
> iterate through processes anymore."

Containers V10 includes an iterator interface for listing the member
tasks of a container, which avoids scanning the entire tasklist.
Downside is that it currently requires taking a read_lock on a global
lock, but I hope to improve on that in the future.

Paul

Report message to a moderator

[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH 2/6] user namespace : add unshare
Next Topic: [PATCH -mm] remove CONFIG_UTS_NS and CONFIG_IPC_NS
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Sun Apr 19 20:03:44 GMT 2026

Total time taken to generate the page: 0.28603 seconds
Powered by FUDforum Powered by Virtuozzo Containers