Re: [RFC V4 PATCH] trace: writeback: replace cgroup path to cgroup ino

2016-03-29 Thread Sebastian Andrzej Siewior
* Steven Rostedt | 2016-03-07 09:03:47 [-0500]: >On Sun, 6 Mar 2016 19:32:26 -0800 >"Shi, Yang" wrote: > >> Hi Steven, >> >> Any comment on this one? I'm supposed it will be taken by your tracing tree? >> > >Usually trace events go in through their subsystem, but since this one >only touches th

Re: [RFC V4 PATCH] trace: writeback: replace cgroup path to cgroup ino

2016-03-07 Thread Steven Rostedt
On Sun, 6 Mar 2016 19:32:26 -0800 "Shi, Yang" wrote: > Hi Steven, > > Any comment on this one? I'm supposed it will be taken by your tracing tree? > Usually trace events go in through their subsystem, but since this one only touches the include/trace/events/ directory, I could pull it in too.

Re: [RFC V4 PATCH] trace: writeback: replace cgroup path to cgroup ino

2016-03-06 Thread Shi, Yang
Hi Steven, Any comment on this one? I'm supposed it will be taken by your tracing tree? Thanks, Yang On 3/4/2016 4:52 AM, Tejun Heo wrote: On Thu, Mar 03, 2016 at 01:08:57AM -0800, Yang Shi wrote: commit 5634cc2aa9aebc77bc862992e7805469dcf83dac ("writeback: update writeback tracepoints to re

Re: [RFC V4 PATCH] trace: writeback: replace cgroup path to cgroup ino

2016-03-04 Thread Tejun Heo
On Thu, Mar 03, 2016 at 01:08:57AM -0800, Yang Shi wrote: > commit 5634cc2aa9aebc77bc862992e7805469dcf83dac ("writeback: update writeback > tracepoints to report cgroup") made writeback tracepoints print out cgroup > path when CGROUP_WRITEBACK is enabled, but it may trigger the below bug on -rt > k

[RFC V4 PATCH] trace: writeback: replace cgroup path to cgroup ino

2016-03-03 Thread Yang Shi
commit 5634cc2aa9aebc77bc862992e7805469dcf83dac ("writeback: update writeback tracepoints to report cgroup") made writeback tracepoints print out cgroup path when CGROUP_WRITEBACK is enabled, but it may trigger the below bug on -rt kernel since kernfs_path and kernfs_path_len are called by tracepoi