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Date: Thu, 21 Aug 2014 09:35:41 -0600 From: Andrea Righi <andrea@...terlinux.com> To: Tejun Heo <tj@...nel.org> Cc: Li Zefan <lizefan@...wei.com>, Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...hat.com>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, Matt Heaton <matt@...terlinux.com> Subject: Re: [PATCH] cgroup: add tracepoints to track cgroup events On Thu, Aug 21, 2014 at 09:13:30AM -0500, Tejun Heo wrote: > Hello, > > On Wed, Aug 20, 2014 at 09:46:25PM -0600, Andrea Righi wrote: > > This patch adds the following tracepoints: > > o trace_cgroup_create when a new cgroup is created > > o trace_cgroup_destroy when a cgroup is removed > > o trace_cgroup_task_migrate when a task/thread is moved from a cgroup to another > > > > The purpose of these tracepoints is to identify and help cgroup "managers" to > > diagnose problems and detect when they are doing an excessive amount of work. > > Using TPs for this looks like a really roundabout way of doing this > when the whole interface is based on filesystem. Extending > kernfs_notity to support directory events seems like a better way to > do this. > > Thanks. > > -- > tejun Agreed. Thanks for the suggestion, Tejun. -Andrea -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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