process

package
v1.1.0-alpha Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 23, 2017 License: BSD-3-Clause, BSD-3-Clause Imports: 21 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ClockTicks = 100  // C.sysconf(C._SC_CLK_TCK)
	PageSize   = 4096 // C.sysconf(C._SC_PAGE_SIZE)
)
View Source 
const (
	PrioProcess = 0 // linux/resource.h
)

Variables

View Source 
var ErrorNoChildren = errors.New("process does not have children")

Functions

func PidExists 

func PidExists(pid int32) (bool, error)

func Pids 

func Pids() ([]int32, error)

Types

type IOCountersStat 

type IOCountersStat struct {
	ReadCount  uint64 `json:"read_count"`
	WriteCount uint64 `json:"write_count"`
	ReadBytes  uint64 `json:"read_bytes"`
	WriteBytes uint64 `json:"write_bytes"`
}

func (IOCountersStat) String 

func (i IOCountersStat) String() string

type MemoryInfoExStat 

type MemoryInfoExStat struct {
	RSS    uint64 `json:"rss"`    // bytes
	VMS    uint64 `json:"vms"`    // bytes
	Shared uint64 `json:"shared"` // bytes
	Text   uint64 `json:"text"`   // bytes
	Lib    uint64 `json:"lib"`    // bytes
	Data   uint64 `json:"data"`   // bytes
	Dirty  uint64 `json:"dirty"`  // bytes
}

MemoryInfoExStat is different between OSes

func (MemoryInfoExStat) String 

func (m MemoryInfoExStat) String() string

type MemoryInfoStat 

type MemoryInfoStat struct {
	RSS  uint64 `json:"rss"`  // bytes
	VMS  uint64 `json:"vms"`  // bytes
	Swap uint64 `json:"swap"` // bytes
}

func (MemoryInfoStat) String 

func (m MemoryInfoStat) String() string

type MemoryMapsStat 

type MemoryMapsStat struct {
	Path         string `json:"path"`
	Rss          uint64 `json:"rss"`
	Size         uint64 `json:"size"`
	Pss          uint64 `json:"pss"`
	SharedClean  uint64 `json:"shared_clean"`
	SharedDirty  uint64 `json:"shared_dirty"`
	PrivateClean uint64 `json:"private_clean"`
	PrivateDirty uint64 `json:"private_dirty"`
	Referenced   uint64 `json:"referenced"`
	Anonymous    uint64 `json:"anonymous"`
	Swap         uint64 `json:"swap"`
}

func (MemoryMapsStat) String 

func (m MemoryMapsStat) String() string

type NumCtxSwitchesStat 

type NumCtxSwitchesStat struct {
	Voluntary   int64 `json:"voluntary"`
	Involuntary int64 `json:"involuntary"`
}

func (NumCtxSwitchesStat) String 

func (p NumCtxSwitchesStat) String() string

type OpenFilesStat 

type OpenFilesStat struct {
	Path string `json:"path"`
	Fd   uint64 `json:"fd"`
}

func (OpenFilesStat) String 

func (o OpenFilesStat) String() string

type Process 

type Process struct {
	Pid int32 `json:"pid"`
	// contains filtered or unexported fields
}

func NewProcess 

func NewProcess(pid int32) (*Process, error)

NewProcess creates a new Process instance, it only stores the pid and checks that the process exists. Other method on Process can be used to get more information about the process. An error will be returned if the process does not exist.

func (*Process) CPUAffinity 

func (p *Process) CPUAffinity() ([]int32, error)

func (*Process) CPUPercent 

func (p *Process) CPUPercent(interval time.Duration) (float64, error)

If interval is 0, return difference from last call(non-blocking). If interval > 0, wait interval sec and return diffrence between start and end.

func (*Process) CPUTimes 

func (p *Process) CPUTimes() (*cpu.CPUTimesStat, error)

func (*Process) Children 

func (p *Process) Children() ([]*Process, error)

func (*Process) Cmdline 

func (p *Process) Cmdline() (string, error)

Cmdline returns the command line arguments of the process as a string with each argument separated by 0x20 ascii character.

func (*Process) CmdlineSlice 

func (p *Process) CmdlineSlice() ([]string, error)

CmdlineSlice returns the command line arguments of the process as a slice with each element being an argument.

func (*Process) Connections 

func (p *Process) Connections() ([]net.NetConnectionStat, error)

func (*Process) CreateTime 

func (p *Process) CreateTime() (int64, error)

func (*Process) Cwd 

func (p *Process) Cwd() (string, error)

func (*Process) Exe 

func (p *Process) Exe() (string, error)

func (*Process) Gids 

func (p *Process) Gids() ([]int32, error)

func (*Process) IOCounters 

func (p *Process) IOCounters() (*IOCountersStat, error)

func (*Process) IOnice 

func (p *Process) IOnice() (int32, error)

func (*Process) IsRunning 

func (p *Process) IsRunning() (bool, error)

func (*Process) Kill 

func (p *Process) Kill() error

func (*Process) MemoryInfo 

func (p *Process) MemoryInfo() (*MemoryInfoStat, error)

func (*Process) MemoryInfoEx 

func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error)

func (*Process) MemoryMaps 

func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error)

MemoryMaps get memory maps from /proc/(pid)/smaps

func (*Process) MemoryPercent 

func (p *Process) MemoryPercent() (float32, error)

MemoryPercent returns how many percent of the total RAM this process uses

func (*Process) Name 

func (p *Process) Name() (string, error)

func (*Process) NetIOCounters 

func (p *Process) NetIOCounters(pernic bool) ([]net.NetIOCountersStat, error)

func (*Process) Nice 

func (p *Process) Nice() (int32, error)

func (*Process) NumCtxSwitches 

func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error)

func (*Process) NumFDs 

func (p *Process) NumFDs() (int32, error)

func (*Process) NumThreads 

func (p *Process) NumThreads() (int32, error)

func (*Process) OpenFiles 

func (p *Process) OpenFiles() ([]OpenFilesStat, error)

func (*Process) Parent 

func (p *Process) Parent() (*Process, error)

func (*Process) Ppid 

func (p *Process) Ppid() (int32, error)

func (*Process) Resume 

func (p *Process) Resume() error

func (*Process) Rlimit 

func (p *Process) Rlimit() ([]RlimitStat, error)

func (*Process) SendSignal 

func (p *Process) SendSignal(sig syscall.Signal) error

func (*Process) Status 

func (p *Process) Status() (string, error)

func (Process) String 

func (p Process) String() string

func (*Process) Suspend 

func (p *Process) Suspend() error

func (*Process) Terminal 

func (p *Process) Terminal() (string, error)

func (*Process) Terminate 

func (p *Process) Terminate() error

func (*Process) Threads 

func (p *Process) Threads() (map[string]string, error)

func (*Process) Uids 

func (p *Process) Uids() ([]int32, error)

func (*Process) Username 

func (p *Process) Username() (string, error)

type RlimitStat 

type RlimitStat struct {
	Resource int32 `json:"resource"`
	Soft     int32 `json:"soft"`
	Hard     int32 `json:"hard"`
}

func (RlimitStat) String 

func (r RlimitStat) String() string

Source Files

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