Messages in this thread | | | Date | Tue, 17 Apr 2012 08:23:50 -0700 | From | Tejun Heo <> | Subject | Re: [RFD] Merge task counter into memcg |
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Hello,
On Tue, Apr 17, 2012 at 10:45:05AM +0400, Alexander Nikiforov wrote: > between them. Now we have only 1 way to get notification about tasks > file - inotify(), but this approach works only if you work from > userspace with file (e.g. create struct file, for example with echo > $$ /sys/abc/tasks), but when something happens from kernel side > (do_fork()/do_exit) we cannot get any event about group of the > process (we can scan tasks file and count number of PID, or work > with > waitpid(), but IMHO this is ugly solutions)
Wouldn't simply generating FS_MODIFY event on the tasks file do the trick?
Thanks.
-- tejun
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