/
monitor_collector.go
160 lines (132 loc) · 3.82 KB
/
monitor_collector.go
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package cat
import (
"fmt"
"runtime"
"strconv"
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/load"
)
type Collector interface {
GetId() string
GetDesc() string
GetProperties() map[string]string
}
func b2kbstr(b uint64) string {
return strconv.Itoa(int(b / 1024))
}
func f642str(b float64) string {
return fmt.Sprintf("%f", b)
}
type memStatsCollector struct {
m runtime.MemStats
alloc,
mallocs,
lookups,
frees uint64
}
func (c *memStatsCollector) GetId() string {
return "mem.runtime"
}
func (c *memStatsCollector) GetDesc() string {
return "mem.runtime"
}
func (c *memStatsCollector) GetProperties() map[string]string {
runtime.ReadMemStats(&c.m)
m := map[string]string{
"mem.sys": b2kbstr(c.m.Sys),
// heap
"mem.heap.alloc": b2kbstr(c.m.HeapAlloc),
"mem.heap.sys": b2kbstr(c.m.HeapSys),
"mem.heap.idle": b2kbstr(c.m.HeapIdle),
"mem.heap.inuse": b2kbstr(c.m.HeapInuse),
"mem.heap.released": b2kbstr(c.m.HeapReleased),
"mem.heap.objects": strconv.Itoa(int(c.m.HeapObjects)),
// stack
"mem.stack.inuse": b2kbstr(c.m.StackInuse),
"mem.stack.sys": b2kbstr(c.m.StackSys),
}
if c.alloc > 0 {
m["mem.alloc"] = b2kbstr(c.m.TotalAlloc - c.alloc)
m["mem.mallocs"] = strconv.Itoa(int(c.m.Mallocs - c.mallocs))
m["mem.lookups"] = strconv.Itoa(int(c.m.Lookups - c.lookups))
m["mem.frees"] = strconv.Itoa(int(c.m.Frees - c.frees))
}
c.alloc = c.m.TotalAlloc
c.mallocs = c.m.Mallocs
c.lookups = c.m.Lookups
c.frees = c.m.Frees
return m
}
type cpuInfoCollector struct {
lastTime *cpu.TimesStat
lastCPUTime float64
}
func (c *cpuInfoCollector) GetId() string {
return "cpu"
}
func (c *cpuInfoCollector) GetDesc() string {
return "cpu"
}
func (c *cpuInfoCollector) GetProperties() map[string]string {
m := make(map[string]string)
if avg, err := load.Avg(); err == nil {
m["load.1min"] = f642str(avg.Load1)
m["load.5min"] = f642str(avg.Load5)
m["load.15min"] = f642str(avg.Load15)
m["system.load.average"] = m["load.1min"]
}
if times, err := cpu.Times(false); err == nil {
if len(times) > 0 {
currentTime := times[0]
currentCpuTime := 0.0 +
currentTime.User +
currentTime.System +
currentTime.Idle +
currentTime.Nice +
currentTime.Iowait +
currentTime.Irq +
currentTime.Softirq +
currentTime.Steal +
currentTime.Guest +
currentTime.GuestNice
//
if c.lastCPUTime > 0 {
cpuTime := currentCpuTime - c.lastCPUTime
if cpuTime > 0.0 {
user := currentTime.User - c.lastTime.User
system := currentTime.System - c.lastTime.System
nice := currentTime.Nice - c.lastTime.Nice
idle := currentTime.Idle - c.lastTime.Idle
iowait := currentTime.Iowait - c.lastTime.Iowait
softirq := currentTime.Softirq - c.lastTime.Softirq
irq := currentTime.Irq - c.lastTime.Irq
steal := currentTime.Steal - c.lastTime.Steal
m["cpu.user"] = f642str(user)
m["cpu.sys"] = f642str(system)
m["cpu.nice"] = f642str(nice)
m["cpu.idle"] = f642str(idle)
m["cpu.iowait"] = f642str(iowait)
m["cpu.softirq"] = f642str(softirq)
m["cpu.irq"] = f642str(irq)
m["cpu.steal"] = f642str(steal)
m["cpu.user.percent"] = f642str(user / cpuTime * 100)
m["cpu.sys.percent"] = f642str(system / cpuTime * 100)
m["cpu.nice.percent"] = f642str(nice / cpuTime * 100)
m["cpu.idle.percent"] = f642str(idle / cpuTime * 100)
m["cpu.iowait.percent"] = f642str(iowait / cpuTime * 100)
m["cpu.softirq.percent"] = f642str(softirq / cpuTime * 100)
m["cpu.irq.percent"] = f642str(irq / cpuTime * 100)
m["cpu.steal.percent"] = f642str(steal / cpuTime * 100)
}
}
c.lastCPUTime = currentCpuTime
c.lastTime = ¤tTime
}
}
// TODO process status
// if processes, err := process.Processes(); err == nil {
// for _, p := range processes {
// }
// }
return m
}