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moby--moby/api/types/stats.go
Lei Jitang 96123a1fd5 Add docker stats --no-stream show cpu usage
Signed-off-by: Lei Jitang <leijitang@huawei.com>
2015-05-31 01:25:51 +08:00

91 lines
3.2 KiB
Go

// This package is used for API stability in the types and response to the
// consumers of the API stats endpoint.
package types
import "time"
type ThrottlingData struct {
// Number of periods with throttling active
Periods uint64 `json:"periods"`
// Number of periods when the container hit its throttling limit.
ThrottledPeriods uint64 `json:"throttled_periods"`
// Aggregate time the container was throttled for in nanoseconds.
ThrottledTime uint64 `json:"throttled_time"`
}
// All CPU stats are aggregated since container inception.
type CpuUsage struct {
// Total CPU time consumed.
// Units: nanoseconds.
TotalUsage uint64 `json:"total_usage"`
// Total CPU time consumed per core.
// Units: nanoseconds.
PercpuUsage []uint64 `json:"percpu_usage"`
// Time spent by tasks of the cgroup in kernel mode.
// Units: nanoseconds.
UsageInKernelmode uint64 `json:"usage_in_kernelmode"`
// Time spent by tasks of the cgroup in user mode.
// Units: nanoseconds.
UsageInUsermode uint64 `json:"usage_in_usermode"`
}
type CpuStats struct {
CpuUsage CpuUsage `json:"cpu_usage"`
SystemUsage uint64 `json:"system_cpu_usage"`
ThrottlingData ThrottlingData `json:"throttling_data,omitempty"`
}
type MemoryStats struct {
// current res_counter usage for memory
Usage uint64 `json:"usage"`
// maximum usage ever recorded.
MaxUsage uint64 `json:"max_usage"`
// TODO(vishh): Export these as stronger types.
// all the stats exported via memory.stat.
Stats map[string]uint64 `json:"stats"`
// number of times memory usage hits limits.
Failcnt uint64 `json:"failcnt"`
Limit uint64 `json:"limit"`
}
// TODO Windows: This can be factored out
type BlkioStatEntry struct {
Major uint64 `json:"major"`
Minor uint64 `json:"minor"`
Op string `json:"op"`
Value uint64 `json:"value"`
}
// TODO Windows: This can be factored out
type BlkioStats struct {
// number of bytes tranferred to and from the block device
IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive"`
IoServicedRecursive []BlkioStatEntry `json:"io_serviced_recursive"`
IoQueuedRecursive []BlkioStatEntry `json:"io_queue_recursive"`
IoServiceTimeRecursive []BlkioStatEntry `json:"io_service_time_recursive"`
IoWaitTimeRecursive []BlkioStatEntry `json:"io_wait_time_recursive"`
IoMergedRecursive []BlkioStatEntry `json:"io_merged_recursive"`
IoTimeRecursive []BlkioStatEntry `json:"io_time_recursive"`
SectorsRecursive []BlkioStatEntry `json:"sectors_recursive"`
}
// TODO Windows: This will require refactoring
type Network struct {
RxBytes uint64 `json:"rx_bytes"`
RxPackets uint64 `json:"rx_packets"`
RxErrors uint64 `json:"rx_errors"`
RxDropped uint64 `json:"rx_dropped"`
TxBytes uint64 `json:"tx_bytes"`
TxPackets uint64 `json:"tx_packets"`
TxErrors uint64 `json:"tx_errors"`
TxDropped uint64 `json:"tx_dropped"`
}
type Stats struct {
Read time.Time `json:"read"`
Network Network `json:"network,omitempty"`
PreCpuStats CpuStats `json:"precpu_stats,omitempty"`
CpuStats CpuStats `json:"cpu_stats,omitempty"`
MemoryStats MemoryStats `json:"memory_stats,omitempty"`
BlkioStats BlkioStats `json:"blkio_stats,omitempty"`
}