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More up to date CPU usage indicator

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This commit is contained in:
Jakob Borg
2014-04-14 12:02:40 +02:00
parent 9d535b13cf
commit fb162ff529
3 changed files with 12 additions and 8 deletions
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6
cmd/syncthing/gui_unix.go
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@@ -15,15 +15,15 @@ func trackCPUUsage() {
var prevUsage int64
var prevTime = time.Now().UnixNano()
var rusage syscall.Rusage
for {
time.Sleep(10 * time.Second)
for _ = range time.NewTicker(time.Second).C {
syscall.Getrusage(syscall.RUSAGE_SELF, &rusage)
curTime := time.Now().UnixNano()
timeDiff := curTime - prevTime
curUsage := rusage.Utime.Nano() + rusage.Stime.Nano()
usageDiff := curUsage - prevUsage
cpuUsageLock.Lock()
cpuUsagePercent = 100 * float64(usageDiff) / float64(timeDiff)
copy(cpuUsagePercent[1:], cpuUsagePercent[0:])
cpuUsagePercent[0] = 100 * float64(usageDiff) / float64(timeDiff)
cpuUsageLock.Unlock()
prevTime = curTime
prevUsage = curUsage