Re: [PATCH 07/11] blktrace: export cgroup info in trace

2017-06-02 Thread kbuild test robot
Hi Shaohua, [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on v4.12-rc3 next-20170602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

Re: [PATCH 07/11] blktrace: export cgroup info in trace

2017-06-02 Thread kbuild test robot
Hi Shaohua, [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on v4.12-rc3 next-20170602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url:

[PATCH 07/11] blktrace: export cgroup info in trace

2017-06-02 Thread Shaohua Li
From: Shaohua Li Currently blktrace isn't cgroup aware. blktrace prints out task name of current context, but the task of current context isn't always in the cgroup where the BIO comes from. We can't use task name to find out IO cgroup. For example, Writeback BIOs always comes from

[PATCH 07/11] blktrace: export cgroup info in trace

2017-06-02 Thread Shaohua Li
From: Shaohua Li Currently blktrace isn't cgroup aware. blktrace prints out task name of current context, but the task of current context isn't always in the cgroup where the BIO comes from. We can't use task name to find out IO cgroup. For example, Writeback BIOs always comes from flusher