===cpu_utilRead "/cgroup/cpuacct/docker/" +contain_id+ "/cpuacct.usage_percpu" in the binding core CPU usage time slice (cumulative value, Cpu_use_time),
Cat/cgroup/cpuset/docker/b57b1f091f0b517499a74d5b36f23e7f001cac2ebc0639e85c291b41da04edcb/cpuset.cpus6-9
Cat/cgroup/cpuacct/docker/b57b1f091f0b517499a74d5b36f23e7f001cac2ebc0639e85c291b41da04edcb/cpuacct.usage_ Percpu0 0 0 0 0 0 66238344197440 70824963617248 74983569233356 78846644169639 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Read the total CPU time slice of the corresponding core in "/proc/stat" (cumulative value, Cpu_total_time)
Cat/proc/statCPU 748602637 100253 642640755 59115027509 617404 62194 46746998 0 0......cpu6 5917531 581 3271039 937040243 7577 0 60604 0 0cpu7 5117588 239 2687069 938306300 5839 0 60538 0 0cpu8 5565280 2357 3584801 936739202 5650 0 60437 0 0cpu9 5295556 39 68 3496022 936905600 7601 0 59572 0 0 ... interval sampling, usage =cpu_use_time difference/cpu_total_time difference value ===memory.usage read "/cgroup/memory/ docker/"+contain_id+"/memory.stat "Active_anon and Inactive_anon
Cat/cgroup/memory/docker/b57b1f091f0b517499a74d5b36f23e7f001cac2ebc0639e85c291b41da04edcb/memory.stat
Cache 2484948992
RSS 3240157184
Mapped_file 14901248
Pgpgin 2825935330
Pgpgout 2832891427
Swap 18874368
Inactive_anon 550154240
Active_anon 2690007040
......
Cat/cgroup/memory/docker/b57b1f091f0b517499a74d5b36f23e7f001cac2ebc0639e85c291b41da04edcb/memory.limit_in_ Bytes8589934592 usage = (active_anon+ Inactive_anon)/Allocated memory ===netio read +pid+/net/dev of "/proc/" In/out "bytes/packets" corresponding network card Cumulative value
Cat/proc/11973/net/devinter-| receive | transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed lo: 369299212872 329498342 0 0 0 0 0 0 369299212872 329498342 0 0 0 0 0 0ns9a07c03c-2f: 262981028026 567054466 0 0 0 0 0 0 600088509350 658578900 0 0 0 0 0 0 interval sampling, rate = difference/sample interval === Diskiols-l /dev/mapper/docker-contain_id View the corresponding mounted disk
ls-l/DEV/MAPPER/DOCKER-B57B1F091F0B517499A74D5B36F23E7F001CAC2EBC0639E85C291B41DA04EDCBlrwxrwxrwx 1 root root 7 February 16:57/dev/mapper/ DOCKER-B57B1F091F0B517499A74D5B36F23E7F001CAC2EBC0639E85C291B41DA04EDCB. /dm-1 read '/sys/block/' +device+ '/stat ' disk read/write bytes/count cumulative value, IO time
Cat/sys/block/dm-1/stat2409 0 36434 5984 38847495 0 310779960 83760448 0 6256117 83778634 interval sampling, rate = difference/sampling interval, disk.util=i o Time/Sample interval ===tcp.connections statistics "/proc/" +pid+ "/net/tcp" and "/proc/" +pid+ "/NET/TCP6" connection in the established state of the number of connections, interval sampling ===load interval (5s) statistics The number of threads in "/cgroup/cpuacct/docker/" + contain_id + "/tasks" with a status of Running/disk-sleep/waiting, calculated as: Load = pre_load * MATH.EXP (- Interval/300) + cur_load * (1-math.exp (-time interval/300))
The collection method of Docker related resource monitoring
