107 lines
3.7 KiB
Go
107 lines
3.7 KiB
Go
// +build linux
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package cgroups
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type ThrottlingData struct {
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// Number of periods with throttling active
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Periods uint64 `json:"periods,omitempty"`
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// Number of periods when the container hit its throttling limit.
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ThrottledPeriods uint64 `json:"throttled_periods,omitempty"`
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// Aggregate time the container was throttled for in nanoseconds.
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ThrottledTime uint64 `json:"throttled_time,omitempty"`
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}
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// CpuUsage denotes the usage of a CPU.
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// All CPU stats are aggregate since container inception.
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type CpuUsage struct {
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// Total CPU time consumed.
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// Units: nanoseconds.
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TotalUsage uint64 `json:"total_usage,omitempty"`
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// Total CPU time consumed per core.
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// Units: nanoseconds.
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PercpuUsage []uint64 `json:"percpu_usage,omitempty"`
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// Time spent by tasks of the cgroup in kernel mode.
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// Units: nanoseconds.
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UsageInKernelmode uint64 `json:"usage_in_kernelmode"`
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// Time spent by tasks of the cgroup in user mode.
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// Units: nanoseconds.
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UsageInUsermode uint64 `json:"usage_in_usermode"`
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}
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type CpuStats struct {
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CpuUsage CpuUsage `json:"cpu_usage,omitempty"`
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ThrottlingData ThrottlingData `json:"throttling_data,omitempty"`
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}
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type MemoryData struct {
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Usage uint64 `json:"usage,omitempty"`
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MaxUsage uint64 `json:"max_usage,omitempty"`
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Failcnt uint64 `json:"failcnt"`
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Limit uint64 `json:"limit"`
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}
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type MemoryStats struct {
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// memory used for cache
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Cache uint64 `json:"cache,omitempty"`
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// usage of memory
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Usage MemoryData `json:"usage,omitempty"`
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// usage of memory + swap
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SwapUsage MemoryData `json:"swap_usage,omitempty"`
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// usage of kernel memory
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KernelUsage MemoryData `json:"kernel_usage,omitempty"`
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// usage of kernel TCP memory
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KernelTCPUsage MemoryData `json:"kernel_tcp_usage,omitempty"`
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Stats map[string]uint64 `json:"stats,omitempty"`
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}
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type PidsStats struct {
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// number of pids in the cgroup
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Current uint64 `json:"current,omitempty"`
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// active pids hard limit
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Limit uint64 `json:"limit,omitempty"`
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}
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type BlkioStatEntry struct {
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Major uint64 `json:"major,omitempty"`
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Minor uint64 `json:"minor,omitempty"`
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Op string `json:"op,omitempty"`
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Value uint64 `json:"value,omitempty"`
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}
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type BlkioStats struct {
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// number of bytes tranferred to and from the block device
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IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive,omitempty"`
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IoServicedRecursive []BlkioStatEntry `json:"io_serviced_recursive,omitempty"`
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IoQueuedRecursive []BlkioStatEntry `json:"io_queue_recursive,omitempty"`
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IoServiceTimeRecursive []BlkioStatEntry `json:"io_service_time_recursive,omitempty"`
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IoWaitTimeRecursive []BlkioStatEntry `json:"io_wait_time_recursive,omitempty"`
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IoMergedRecursive []BlkioStatEntry `json:"io_merged_recursive,omitempty"`
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IoTimeRecursive []BlkioStatEntry `json:"io_time_recursive,omitempty"`
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SectorsRecursive []BlkioStatEntry `json:"sectors_recursive,omitempty"`
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}
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type HugetlbStats struct {
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// current res_counter usage for hugetlb
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Usage uint64 `json:"usage,omitempty"`
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// maximum usage ever recorded.
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MaxUsage uint64 `json:"max_usage,omitempty"`
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// number of times hugetlb usage allocation failure.
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Failcnt uint64 `json:"failcnt"`
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}
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type Stats struct {
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CpuStats CpuStats `json:"cpu_stats,omitempty"`
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MemoryStats MemoryStats `json:"memory_stats,omitempty"`
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PidsStats PidsStats `json:"pids_stats,omitempty"`
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BlkioStats BlkioStats `json:"blkio_stats,omitempty"`
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// the map is in the format "size of hugepage: stats of the hugepage"
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HugetlbStats map[string]HugetlbStats `json:"hugetlb_stats,omitempty"`
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}
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func NewStats() *Stats {
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memoryStats := MemoryStats{Stats: make(map[string]uint64)}
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hugetlbStats := make(map[string]HugetlbStats)
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return &Stats{MemoryStats: memoryStats, HugetlbStats: hugetlbStats}
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}
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