Andrew Morton wrote:
On Fri, 09 Jun 2006 03:41:04 -0400
Shailabh Nagar <[email protected]> wrote:
Hence, this patch introduces a configuration parameter
/sys/kernel/taskstats_tgid_exit
through which a privileged user can turn on/off sending of per-tgid stats on
task exit.
That seems a bit clumsy. What happens if one consumer wants the per-tgid
stats and another does not?
For all subsystems that re-use the taskstats structure from the exit path,
we have the issue that you mentioned. Thats because several statistics co-exist
in the same structure. These subsystems can keep their tgid-stats empty by not
filling up anything in fill_tgid() or using this patch to selectively enable/disable
tgid stats.
For other subsystems, they could pass tgidstats as NULL to taskstats_exit_send().
--
Balbir Singh,
Linux Technology Center,
IBM Software Labs
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