Пример #1
0
func processes() ([]Process, error) {
	results := make([]Process, 0, 50)

	mib := []int32{CTLKern, KernProc, KernProcProc, 0}
	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return results, err
	}

	// get kinfo_proc size
	k := KinfoProc{}
	procinfoLen := int(unsafe.Sizeof(k))
	count := int(length / uint64(procinfoLen))

	// parse buf to procs
	for i := 0; i < count; i++ {
		b := buf[i*procinfoLen : i*procinfoLen+procinfoLen]
		k, err := parseKinfoProc(b)
		if err != nil {
			continue
		}
		p, err := NewProcess(int32(k.KiPid))
		if err != nil {
			continue
		}
		copyParams(&k, p)

		results = append(results, *p)
	}

	return results, nil
}
Пример #2
0
func processes() ([]Process, error) {
	results := make([]Process, 0, 50)

	mib := []int32{CTLKern, KernProc, KernProcProc, 0}
	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return results, err
	}

	// get kinfo_proc size
	count := int(length / uint64(sizeOfKinfoProc))

	// parse buf to procs
	for i := 0; i < count; i++ {
		b := buf[i*sizeOfKinfoProc : (i+1)*sizeOfKinfoProc]
		k, err := parseKinfoProc(b)
		if err != nil {
			continue
		}
		p, err := NewProcess(int32(k.Pid))
		if err != nil {
			continue
		}

		results = append(results, *p)
	}

	return results, nil
}
Пример #3
0
func (p *Process) Cmdline() (string, error) {
	mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
	buf, _, err := common.CallSyscall(mib)
	if err != nil {
		return "", err
	}
	ret := strings.FieldsFunc(string(buf), func(r rune) bool {
		if r == '\u0000' {
			return true
		}
		return false
	})

	return strings.Join(ret, " "), nil
}
Пример #4
0
func (p *Process) getKProc() (*KinfoProc, error) {
	mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}

	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return nil, err
	}
	if length != sizeOfKinfoProc {
		return nil, err
	}

	k, err := parseKinfoProc(buf)
	if err != nil {
		return nil, err
	}
	return &k, nil
}
Пример #5
0
func (p *Process) getKProc() (*KinfoProc, error) {
	mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}

	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return nil, err
	}
	procK := KinfoProc{}
	if length != uint64(unsafe.Sizeof(procK)) {
		return nil, err
	}

	k, err := parseKinfoProc(buf)
	if err != nil {
		return nil, err
	}

	return &k, nil
}
Пример #6
0
func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
	// statinfo->devinfo->devstat
	// /usr/include/devinfo.h

	//	sysctl.sysctl ('kern.devstat.all', 0)
	ret := make(map[string]DiskIOCountersStat)
	mib := []int32{CTLKern, KernDevstat, KernDevstatAll}

	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return nil, err
	}

	ds := Devstat{}
	devstatLen := int(unsafe.Sizeof(ds))
	count := int(length / uint64(devstatLen))

	buf = buf[8:] // devstat.all has version in the head.
	// parse buf to Devstat
	for i := 0; i < count; i++ {
		b := buf[i*devstatLen : i*devstatLen+devstatLen]
		d, err := parseDevstat(b)
		if err != nil {
			continue
		}
		un := strconv.Itoa(int(d.Unit_number))
		name := common.IntToString(d.Device_name[:]) + un

		ds := DiskIOCountersStat{
			ReadCount:  d.Operations[DEVSTAT_READ],
			WriteCount: d.Operations[DEVSTAT_WRITE],
			ReadBytes:  d.Bytes[DEVSTAT_READ],
			WriteBytes: d.Bytes[DEVSTAT_WRITE],
			ReadTime:   d.Duration[DEVSTAT_READ].Compute(),
			WriteTime:  d.Duration[DEVSTAT_WRITE].Compute(),
			Name:       name,
		}
		ret[name] = ds
	}

	return ret, nil
}
Пример #7
0
func (p *Process) CmdlineSlice() ([]string, error) {
	mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
	buf, _, err := common.CallSyscall(mib)
	if err != nil {
		return nil, err
	}
	if len(buf) == 0 {
		return nil, nil
	}
	if buf[len(buf)-1] == 0 {
		buf = buf[:len(buf)-1]
	}
	parts := bytes.Split(buf, []byte{0})
	var strParts []string
	for _, p := range parts {
		strParts = append(strParts, string(p))
	}

	return strParts, nil
}
Пример #8
0
func processes() ([]Process, error) {
	results := make([]Process, 0, 50)

	mib := []int32{CTLKern, KernProc, KernProcAll, 0}
	buf, length, err := common.CallSyscall(mib)
	if err != nil {
		return results, err
	}

	// get kinfo_proc size
	k := KinfoProc{}
	procinfoLen := int(unsafe.Sizeof(k))
	count := int(length / uint64(procinfoLen))
	/*
		fmt.Println(length, procinfoLen, count)
		b := buf[0*procinfoLen : 0*procinfoLen+procinfoLen]
		fmt.Println(b)
		kk, err := parseKinfoProc(b)
		fmt.Printf("%#v", kk)
	*/

	// parse buf to procs
	for i := 0; i < count; i++ {
		b := buf[i*procinfoLen : i*procinfoLen+procinfoLen]
		k, err := parseKinfoProc(b)
		if err != nil {
			continue
		}
		p, err := NewProcess(int32(k.Proc.P_pid))
		if err != nil {
			continue
		}
		results = append(results, *p)
	}

	return results, nil
}