pycpu

package

v0.0.0-...-f274578 Latest Latest Go to latest Published: Oct 26, 2022 License: MIT Imports: 13 Imported by: 0

Details

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Repository

github.com/pandaychen/goes-wrapper

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func GetCpuFreq() uint64
func GetSystemCpuUsage() (uint64, error)
type CgroupSystem
- func NewCgroupSystem(cur_pid int, ispod bool) (*CgroupSystem, error)
type CpuBasic
type CpuInfo
- func NewCpuInfo(logger *zap.Logger, mul float64, inter time.Duration) *CpuInfo
type DockerCpuInfo
- func NewDockerCpuInfo(logger *zap.Logger, mul float64, interval time.Duration) (*DockerCpuInfo, error)

Constants ¶

View Source

const (
	DefaultMultipleFactors = 10
)

Variables ¶

View Source

var (
	CGroupRootDir = "/sys/fs/cgroup"
)

View Source

var ErrNoCFSLimit = errors.Errorf("no quota limit")

ErrNoCFSLimit is no quota limit

Functions ¶

func GetSystemCpuUsage ¶

func GetSystemCpuUsage() (uint64, error)

[root@bf-serv-cli-test-56d6495d95-jfbm2 /]# cat /proc/stat cpu 3467887829 7402144 670669262 65943628489 1051360 14218 253095025 0 0 0 cpu0 247812177 438929 51372570 4073750664 780116 1458 39979362 0 0 0 cpu1 235169218 434668 45947692 4094986373 10697 1639 26968916 0 0 0 cpu2 225781683 439578 43285824 4107724817 9592 1485 20862824 0 0 0 cpu3 220676697 513232 42289613 4113805579 9143 1655 18261785 0 0 0 cpu4 218076124 499334 41674599 4117533972 8491 1644 16610866 0 0 0 cpu5 215340998 487522 41179452 4120552851 8926 1738 15768888 0 0 0 cpu6 213499268 478080 40969862 4122913060 8723 1690 15081638 0 0 0 cpu7 210787169 471204 40527378 4124205430 150382 2903 15216436 0 0 0 cpu8 211982698 464440 40708345 4131111431 8645 1 10894860 0 0 0 cpu9 211332535 464665 40571501 4131870642 8526 0 10808146 0 0 0 cpu10 211359772 462076 40641212 4131862495 8403 0 10665528 0 0 0 cpu11 210828977 456705 40264459 4132867468 8112 0 10532617 0 0 0 cpu12 209268162 450942 40216814 4134700931 7863 0 10376140 0 0 0 cpu13 209149626 448272 40424134 4134634762 7823 1 10453089 0 0 0 cpu14 209033168 447126 40380819 4134762085 7891 0 10326323 0 0 0 cpu15 207789552 445363 40214984 4136345926 8021 0 10287602 0 0 0 intr 77186006610 24 114 0 0 229 0 0 0 0 0 0 0 0 0 43133294 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 69858620 0 34419764 0 329450373 161493 3882562 191001 3891312254 178012 4147213687 170135 3985072830 166723 581183279 163935 4031634070 163040 2484392448 161672 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 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 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 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 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 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 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 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 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 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 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 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 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 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 ctxt 1475123891404 btime 1573183603 processes 3236443852 procs_running 2 procs_blocked 0

Types ¶

type CgroupSystem ¶

type CgroupSystem struct {
	Name  string //docker name
	Pid   int    //当前的进程号
	IsPod bool   //是否为pod
	//CgroupSet map[string]interface{}
	CgroupSet map[string]string
}

存储当前进程的cgroup基础信息

func NewCgroupSystem ¶

func NewCgroupSystem(cur_pid int, ispod bool) (*CgroupSystem, error)

get current process's cgroup info,eg:

in a tke pod:

[root@bf-serv-cli-test-56d6495d95-jfbm2 cgroup]# cat /proc/6/cgroup 12:oom:/ 11:net_cls:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 10:pids:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 9:hugetlb:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 8:cpuset:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 7:blkio:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 6:cpuacct,cpu:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 5:memory:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 4:freezer:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 3:devices:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 2:perf_event:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 1:name=systemd:/kubepods/burstable/podb60126d8-9064-11eb-836e-7a2eb63c648a/bde707e9e3043b4492f3a7d9be42b70d85c583c4792a3c3968194369163874e7 ----------------------

in a container:

[root@VM_0_7_centos system]# cat /proc/30368/cgroup 11:hugetlb:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 10:cpuset:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 9:freezer:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 8:devices:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 7:pids:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 6:cpuacct,cpu:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 5:memory:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 4:net_prio,net_cls:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 3:blkio:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 2:perf_event:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope 1:name=systemd:/system.slice/docker-1e939f40fb6a516434beab6ab3d2c91eb7f3100937a8b25d7576d0da8e05df2f.scope ----------------------

normal:

[root@VM_0_7_centos system]# cat /proc/4429/cgroup 11:hugetlb:/ 10:cpuset:/ 9:freezer:/ 8:devices:/user.slice 7:pids:/user.slice 6:cpuacct,cpu:/user.slice 5:memory:/user.slice 4:net_prio,net_cls:/ 3:blkio:/user.slice 2:perf_event:/

func (*CgroupSystem) GetCpuAcctUsage ¶

func (c *CgroupSystem) GetCpuAcctUsage() (uint64, error)

cpuacct.usage [root@bf-serv-cli-test-56d6495d95-jfbm2 cpuacct]# cat cpuacct.usage 71723686392

func (*CgroupSystem) GetCpuAcctUsagePerCPU ¶

func (c *CgroupSystem) GetCpuAcctUsagePerCPU() ([]uint64, error)

cpuacct.usage_percpu：每个cpu使用的时间 [root@bf-serv-cli-test-56d6495d95-jfbm2 cpuacct]# cat cpuacct.usage_percpu 3856785637 9388740792 3249991024 9274368598 3909220940 4252675051 4999399867 3482721584 3265393334 2792999228 3690055360 3654456859 3307438423 4643994810 4450415726 3517266852

func (*CgroupSystem) GetCpuCfsPeriodUs ¶

func (c *CgroupSystem) GetCpuCfsPeriodUs() (uint64, error)

cpu.cfs_period_us

[root@bf-serv-cli-test-56d6495d95-jfbm2 cpu]# cat cpu.cfs_period_us 100000

func (*CgroupSystem) GetCpuCfsQuotaUs ¶

func (c *CgroupSystem) GetCpuCfsQuotaUs() (int64, error)

获取CPU配额信息cpu.cfs_quota_us(可能为负数-1)

[root@bf-serv-cli-test-56d6495d95-jfbm2 cpu]# cat cpu.cfs_quota_us 200000

func (*CgroupSystem) GetCpuSetCPUs ¶

func (c *CgroupSystem) GetCpuSetCPUs() ([]uint64, error)

cpuset.cpus [root@bf-serv-cli-test-56d6495d95-jfbm2 cpuset]# cat cpuset.cpus 0-15

type CpuBasic ¶

type CpuBasic struct {
	IsPod     bool
	Frequency uint64 //主频
	Cores     uint64 //核心数
	Quota     float64
}

type CpuInfo ¶

type CpuInfo struct {
	Interval  time.Duration //采集周期
	Cores     uint64        //核心数
	Cpu       int
	Frequency uint64 //主频
	Logger    *zap.Logger
	Multiple  float64 //放大倍数
}

func NewCpuInfo ¶

func NewCpuInfo(logger *zap.Logger, mul float64, inter time.Duration) *CpuInfo

func (*CpuInfo) GetCpuBasicInfo ¶

func (c *CpuInfo) GetCpuBasicInfo() CpuBasic

func (*CpuInfo) GetCpuPercentage ¶

func (c *CpuInfo) GetCpuPercentage() (uint64, error)

func (*CpuInfo) UpdateCpuBasicInfo ¶

func (c *CpuInfo) UpdateCpuBasicInfo()

type DockerCpuInfo ¶

type DockerCpuInfo struct {
	Interval time.Duration //采集周期
	Logger   *zap.Logger
	Pid      int //当前进程号
	IsPod    bool
	Multiple float64 //放大倍数

	//sysinfo
	Frequency uint64 //主频
	Cores     uint64 //核心数
	Quota     float64
	CpuUsage  uint64 //CPU使用率

	//保存上一次的值，用于校正
	OldSysCpuUsage   uint64
	OldTotalCpuUsage uint64

	CgroupCpu *CgroupSystem
}

func NewDockerCpuInfo ¶

func NewDockerCpuInfo(logger *zap.Logger, mul float64, interval time.Duration) (*DockerCpuInfo, error)

初始化container的CPU采集结构

func (*DockerCpuInfo) GetCpuBasicInfo ¶

func (c *DockerCpuInfo) GetCpuBasicInfo() CpuBasic

func (*DockerCpuInfo) GetCpuPercentage ¶

func (c *DockerCpuInfo) GetCpuPercentage() (uint64, error)

func (*DockerCpuInfo) SetPodSign ¶

func (c *DockerCpuInfo) SetPodSign()

设置pod标志

Source Files ¶

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Documentation ¶

Index ¶

Constants ¶

Variables ¶

Functions ¶

func GetCpuFreq ¶

func GetSystemCpuUsage ¶

Types ¶

type CgroupSystem ¶

func NewCgroupSystem ¶

func (*CgroupSystem) GetCpuAcctUsage ¶

func (*CgroupSystem) GetCpuAcctUsagePerCPU ¶

func (*CgroupSystem) GetCpuCfsPeriodUs ¶

func (*CgroupSystem) GetCpuCfsQuotaUs ¶

func (*CgroupSystem) GetCpuSetCPUs ¶

type CpuBasic ¶

type CpuInfo ¶

func NewCpuInfo ¶

func (*CpuInfo) GetCpuBasicInfo ¶

func (*CpuInfo) GetCpuPercentage ¶

func (*CpuInfo) UpdateCpuBasicInfo ¶

type DockerCpuInfo ¶

func NewDockerCpuInfo ¶

func (*DockerCpuInfo) GetCpuBasicInfo ¶

func (*DockerCpuInfo) GetCpuPercentage ¶

func (*DockerCpuInfo) SetPodSign ¶

Source Files ¶