Ejemplo n.º 1
0
func HostInfo() (*HostInfoStat, error) {
	ret := &HostInfoStat{
		OS: runtime.GOOS,
	}

	hostname, err := os.Hostname()
	if err == nil {
		ret.Hostname = hostname
	}

	platform, family, version, err := GetPlatformInformation()
	if err == nil {
		ret.Platform = platform
		ret.PlatformFamily = family
		ret.PlatformVersion = version
	} else {
		return ret, err
	}

	boot, err := BootTime()
	if err == nil {
		ret.BootTime = boot
		ret.Uptime = uptime(boot)
	}

	procs, err := process.Pids()
	if err != nil {
		return ret, err
	}

	ret.Procs = uint64(len(procs))

	return ret, nil
}
Ejemplo n.º 2
0
//AdjustOOMPriorityByName Adjust the OOM adj value for the process' with the given name regexp
func (procs *Procs) AdjustOOMPriorityByName(processName string, value int, ignoreIfNonZero bool) error {
	found := false
	pids, err := process.Pids()
	if err != nil {
		return err
	}
	for _, pid := range pids {
		// Find the process with the given name
		if currProcess, err := process.NewProcess(pid); err != nil {
			continue
		} else if name, err := currProcess.Name(); err != nil || name != processName {
			continue
		} else if err := procs.AdjustOOMPriority(int(pid), value, ignoreIfNonZero); err == nil {
			found = true
		} else {
			// Not an error but logging these for debugging.
			log.Printf("Error adjusting OOM for process %s (pid %d): %s", processName, pid, err)
		}
	}
	if found {
		return nil
	}
	return fmt.Errorf("No process matches: %s\n", processName)
}