103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package procstat
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import (
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"time"
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"github.com/shirou/gopsutil/process"
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"github.com/influxdata/telegraf"
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)
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type SpecProcessor struct {
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Prefix string
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tags map[string]string
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fields map[string]interface{}
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acc telegraf.Accumulator
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proc *process.Process
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}
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func NewSpecProcessor(
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processName string,
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prefix string,
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acc telegraf.Accumulator,
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p *process.Process,
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tags map[string]string,
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) *SpecProcessor {
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if processName != "" {
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tags["process_name"] = processName
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} else {
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name, err := p.Name()
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if err == nil {
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tags["process_name"] = name
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}
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}
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return &SpecProcessor{
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Prefix: prefix,
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tags: tags,
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fields: make(map[string]interface{}),
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acc: acc,
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proc: p,
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}
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}
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func (p *SpecProcessor) pushMetrics() {
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var prefix string
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if p.Prefix != "" {
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prefix = p.Prefix + "_"
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}
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fields := map[string]interface{}{}
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numThreads, err := p.proc.NumThreads()
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if err == nil {
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fields[prefix+"num_threads"] = numThreads
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}
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fds, err := p.proc.NumFDs()
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if err == nil {
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fields[prefix+"num_fds"] = fds
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}
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ctx, err := p.proc.NumCtxSwitches()
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if err == nil {
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fields[prefix+"voluntary_context_switches"] = ctx.Voluntary
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fields[prefix+"involuntary_context_switches"] = ctx.Involuntary
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}
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io, err := p.proc.IOCounters()
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if err == nil {
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fields[prefix+"read_count"] = io.ReadCount
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fields[prefix+"write_count"] = io.WriteCount
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fields[prefix+"read_bytes"] = io.ReadBytes
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fields[prefix+"write_bytes"] = io.WriteCount
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}
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cpu_time, err := p.proc.CPUTimes()
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if err == nil {
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fields[prefix+"cpu_time_user"] = cpu_time.User
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fields[prefix+"cpu_time_system"] = cpu_time.System
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fields[prefix+"cpu_time_idle"] = cpu_time.Idle
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fields[prefix+"cpu_time_nice"] = cpu_time.Nice
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fields[prefix+"cpu_time_iowait"] = cpu_time.Iowait
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fields[prefix+"cpu_time_irq"] = cpu_time.Irq
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fields[prefix+"cpu_time_soft_irq"] = cpu_time.Softirq
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fields[prefix+"cpu_time_steal"] = cpu_time.Steal
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fields[prefix+"cpu_time_stolen"] = cpu_time.Stolen
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fields[prefix+"cpu_time_guest"] = cpu_time.Guest
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fields[prefix+"cpu_time_guest_nice"] = cpu_time.GuestNice
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}
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cpu_perc, err := p.proc.CPUPercent(time.Duration(0))
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if err == nil && cpu_perc != 0 {
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fields[prefix+"cpu_usage"] = cpu_perc
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}
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mem, err := p.proc.MemoryInfo()
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if err == nil {
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fields[prefix+"memory_rss"] = mem.RSS
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fields[prefix+"memory_vms"] = mem.VMS
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fields[prefix+"memory_swap"] = mem.Swap
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}
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p.acc.AddFields("procstat", fields, p.tags)
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}
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