This commit add cpu.offline to cpu cgroup, echo 1 > cpu.offline would
convert all tasks under this cgroup to offline task. Beside, a new
sysctl sysctl_sched_bt_ignore_cpubind is added, which makes offline
tasks ignoring CPU binding and running on any CPU.
Signed-off-by: Xiaoming Gao <newtongao@tencent.com>
Signed-off-by: Hua Liu <shookliu@tencent.com>
Signed-off-by: Xiaogguang Chen <xiaoggchen@tencent.com>
Signed-off-by: Zhiguang Peng <zgpeng@tencent.com>
Signed-off-by: Bin Fan <tombinfan@tencent.com>
Signed-off-by: He Chen <heddchen@tencent.com>
IEG need cpuinfo's processor field to start from 0 in docker, so add sysctl
cpuset_cpuinfo_show_realinfo to switch whether cpuinfo's processor
field start from 0 or not.
Signed-off-by: Xiaoming Gao <newtongao@tencent.com>
Signed-off-by: Zhiguang Peng <zgpeng@tencent.com>
The value of the cpuset.stat process field will be abnormal in
some scenarios. The reason for this problem is that the sum of
process_counts may be negative for several cpus.
Signed-off-by: brookxu <brookxu@tencent.com>
calc loadavg for each container using the same algorithm
with the global load.
Signed-off-by: Weiwei Li <nuonuoli@tencent.com>
Signed-off-by: Liu Hua <shookliu@tencent.com>
We add cpuinfo and stat for each container which
used for docker to get cpu stat just for current
container.
Signed-off-by: Xiaoming Gao <newtongao@tencent.com>
Signed-off-by: Weiwei Li <nuonuoli@tencent.com>
Signed-off-by: Liu Hua <shookliu@tencent.com>
Liu Hua