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package tools
import (
"github.com/shirou/gopsutil/process"
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/pkg/worker"
)
// ProcessState provides information about specific worker.
type ProcessState struct {
// Pid contains process id.
Pid int `json:"pid"`
// Status of the worker.
Status string `json:"status"`
// Number of worker executions.
NumJobs uint64 `json:"numExecs"`
// Created is unix nano timestamp of worker creation time.
Created int64 `json:"created"`
// MemoryUsage holds the information about worker memory usage in bytes.
// Values might vary for different operating systems and based on RSS.
MemoryUsage uint64 `json:"memoryUsage"`
}
// WorkerProcessState creates new worker state definition.
func WorkerProcessState(w worker.BaseProcess) (ProcessState, error) {
const op = errors.Op("worker_process_state")
p, _ := process.NewProcess(int32(w.Pid()))
i, err := p.MemoryInfo()
if err != nil {
return ProcessState{}, errors.E(op, err)
}
return ProcessState{
Pid: int(w.Pid()),
Status: w.State().String(),
NumJobs: w.State().NumExecs(),
Created: w.Created().UnixNano(),
MemoryUsage: i.RSS,
}, nil
}
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