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less metrics performance impact

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This commit is contained in:
alex.sharov 2021-03-08 19:03:33 +07:00
parent 5ae602e9a4
commit 061dc51883
1 changed files with 16 additions and 15 deletions
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31
metrics/metrics.go
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@ -67,11 +67,11 @@ func CollectProcessMetrics(refresh time.Duration) {
// Create the various data collectors
cpuStats := make([]*CPUStats, 2)
memstats := make([]*runtime.MemStats, 2)
//memstats := make([]*runtime.MemStats, 2)
diskstats := make([]*DiskStats, 2)
for i := 0; i < len(memstats); i++ {
for i := 0; i < len(cpuStats); i++ {
cpuStats[i] = new(CPUStats)
memstats[i] = new(runtime.MemStats)
//memstats[i] = new(runtime.MemStats)
diskstats[i] = new(DiskStats)
}
// Define the various metrics to collect
@ -81,11 +81,12 @@ func CollectProcessMetrics(refresh time.Duration) {
cpuThreads = GetOrRegisterGauge("system/cpu/threads", DefaultRegistry)
cpuGoroutines = GetOrRegisterGauge("system/cpu/goroutines", DefaultRegistry)
memPauses = GetOrRegisterMeter("system/memory/pauses", DefaultRegistry)
memAllocs = GetOrRegisterMeter("system/memory/allocs", DefaultRegistry)
memFrees = GetOrRegisterMeter("system/memory/frees", DefaultRegistry)
memHeld = GetOrRegisterGauge("system/memory/held", DefaultRegistry)
memUsed = GetOrRegisterGauge("system/memory/used", DefaultRegistry)
// disabled because of performance impact and because this info exists in logs
//memPauses = GetOrRegisterMeter("system/memory/pauses", DefaultRegistry)
//memAllocs = GetOrRegisterMeter("system/memory/allocs", DefaultRegistry)
//memFrees = GetOrRegisterMeter("system/memory/frees", DefaultRegistry)
//memHeld = GetOrRegisterGauge("system/memory/held", DefaultRegistry)
//memUsed = GetOrRegisterGauge("system/memory/used", DefaultRegistry)
diskReadBytes = GetOrRegisterMeter("system/disk/readbytes", DefaultRegistry)
diskWriteBytes = GetOrRegisterMeter("system/disk/writebytes", DefaultRegistry)
@ -186,13 +187,13 @@ func CollectProcessMetrics(refresh time.Duration) {
ruMajflt.Update(int64(pf.MajorFaults))
}
runtime.ReadMemStats(memstats[location1])
memPauses.Mark(int64(memstats[location1].PauseTotalNs - memstats[location2].PauseTotalNs))
memAllocs.Mark(int64(memstats[location1].Mallocs - memstats[location2].Mallocs))
memFrees.Mark(int64(memstats[location1].Frees - memstats[location2].Frees))
memHeld.Update(int64(memstats[location1].HeapSys - memstats[location1].HeapReleased))
memUsed.Update(int64(memstats[location1].Alloc))
//runtime.ReadMemStats(memstats[location1])
//memPauses.Mark(int64(memstats[location1].PauseTotalNs - memstats[location2].PauseTotalNs))
//memAllocs.Mark(int64(memstats[location1].Mallocs - memstats[location2].Mallocs))
//memFrees.Mark(int64(memstats[location1].Frees - memstats[location2].Frees))
//memHeld.Update(int64(memstats[location1].HeapSys - memstats[location1].HeapReleased))
//memUsed.Update(int64(memstats[location1].Alloc))
//
if io, _ := p.IOCounters(); io != nil {
diskstats[location1].ReadBytes = int64(io.ReadBytes)
diskstats[location1].WriteBytes = int64(io.WriteBytes)