[PATCH 2/8] Adds a read-only "procs" file similar to "tasks" that shows only unique tgids

Li Zefan lizf at cn.fujitsu.com
Wed Aug 19 19:34:53 PDT 2009


07:58, Paul Menage wrote:
> From: Ben Blum <bblum at google.com>
> 
> 
> Adds a read-only "procs" file similar to "tasks" that shows only unique tgids
> 
> struct cgroup used to have a bunch of fields for keeping track of the pidlist
> for the tasks file. Those are now separated into a new struct cgroup_pidlist,
> of which two are had, one for procs and one for tasks. The way the seq_file
> operations are set up is changed so that just the pidlist struct gets passed
> around as the private data.
> 
> Interface example: Suppose a multithreaded process has pid 1000 and other
> threads with ids 1001, 1002, 1003:
> $ cat tasks
> 1000
> 1001
> 1002
> 1003
> $ cat cgroup.procs
> 1000
> $
> 
> Signed-off-by: Ben Blum <bblum at google.com>
> Signed-off-by: Paul Menage <menage at google.com>
> 

Acked-by: Li Zefan <lizf at cn.fujitsu.com>


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