process

package
v2.49.201 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Sep 19, 2023 License: MIT, BSD-3-Clause Imports: 22 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	RLIMIT_CPU        int32 = 0
	RLIMIT_FSIZE      int32 = 1
	RLIMIT_DATA       int32 = 2
	RLIMIT_STACK      int32 = 3
	RLIMIT_CORE       int32 = 4
	RLIMIT_RSS        int32 = 5
	RLIMIT_NPROC      int32 = 6
	RLIMIT_NOFILE     int32 = 7
	RLIMIT_MEMLOCK    int32 = 8
	RLIMIT_AS         int32 = 9
	RLIMIT_LOCKS      int32 = 10
	RLIMIT_SIGPENDING int32 = 11
	RLIMIT_MSGQUEUE   int32 = 12
	RLIMIT_NICE       int32 = 13
	RLIMIT_RTPRIO     int32 = 14
	RLIMIT_RTTIME     int32 = 15
)

Resource limit constants are from /usr/include/x86_64-linux-gnu/bits/resource.h from libc6-dev package in Ubuntu 16.10

Variables

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

Functions

func PidExists 

func PidExists(pid int32) (bool, error)

func PidExistsWithContext 

func PidExistsWithContext(ctx context.Context, pid int32) (bool, error)

func Pids 

func Pids() ([]int32, error)

Pids returns a slice of process ID list which are running now.

func PidsWithContext 

func PidsWithContext(ctx context.Context) ([]int32, error)

Types

type IOCountersStat 

type IOCountersStat struct {
	ReadCount  uint64 `json:"readCount"`
	WriteCount uint64 `json:"writeCount"`
	ReadBytes  uint64 `json:"readBytes"`
	WriteBytes uint64 `json:"writeBytes"`
}

func (IOCountersStat) String 

func (i IOCountersStat) String() string

type MemoryInfoExStat 

type MemoryInfoExStat struct {
}

type MemoryInfoStat 

type MemoryInfoStat struct {
	RSS    uint64 `json:"rss"`    // bytes
	VMS    uint64 `json:"vms"`    // bytes
	HWM    uint64 `json:"hwm"`    // bytes
	Data   uint64 `json:"data"`   // bytes
	Stack  uint64 `json:"stack"`  // bytes
	Locked uint64 `json:"locked"` // 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:"sharedClean"`
	SharedDirty  uint64 `json:"sharedDirty"`
	PrivateClean uint64 `json:"privateClean"`
	PrivateDirty uint64 `json:"privateDirty"`
	Referenced   uint64 `json:"referenced"`
	Anonymous    uint64 `json:"anonymous"`
	Swap         uint64 `json:"swap"`
}

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 PageFaultsStat 

type PageFaultsStat struct {
	MinorFaults      uint64 `json:"minorFaults"`
	MajorFaults      uint64 `json:"majorFaults"`
	ChildMinorFaults uint64 `json:"childMinorFaults"`
	ChildMajorFaults uint64 `json:"childMajorFaults"`
}

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 Processes 

func Processes() ([]*Process, error)

func ProcessesWithContext 

func ProcessesWithContext(ctx context.Context) ([]*Process, error)

func (*Process) Background 

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

Background returns true if the process is in background, false otherwise.

func (*Process) BackgroundWithContext 

func (p *Process) BackgroundWithContext(ctx context.Context) (bool, error)

func (*Process) CPUAffinity 

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

func (*Process) CPUAffinityWithContext 

func (p *Process) CPUAffinityWithContext(ctx context.Context) ([]int32, error)

func (*Process) CPUPercent 

func (p *Process) CPUPercent() (float64, error)

CPU_Percent returns how many percent of the CPU time this process uses

func (*Process) CPUPercentWithContext 

func (p *Process) CPUPercentWithContext(ctx context.Context) (float64, error)

func (*Process) Children 

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

func (*Process) ChildrenWithContext 

func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error)

func (*Process) Cmdline 

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

func (*Process) CmdlineSlice 

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

func (*Process) CmdlineSliceWithContext 

func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error)

func (*Process) CmdlineWithContext 

func (p *Process) CmdlineWithContext(ctx context.Context) (string, error)

func (*Process) Connections 

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

func (*Process) ConnectionsMax 

func (p *Process) ConnectionsMax(max int) ([]net.ConnectionStat, error)

func (*Process) ConnectionsMaxWithContext 

func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error)

func (*Process) ConnectionsWithContext 

func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error)

func (*Process) CreateTime 

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

CreateTime returns created time of the process in milliseconds since the epoch, in UTC.

func (*Process) CreateTimeWithContext 

func (p *Process) CreateTimeWithContext(ctx context.Context) (int64, error)

func (*Process) Cwd 

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

func (*Process) CwdWithContext 

func (p *Process) CwdWithContext(ctx context.Context) (string, error)

func (*Process) Exe 

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

func (*Process) ExeWithContext 

func (p *Process) ExeWithContext(ctx context.Context) (string, error)

func (*Process) Foreground 

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

func (*Process) ForegroundWithContext 

func (p *Process) ForegroundWithContext(ctx context.Context) (bool, error)

func (*Process) Gids 

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

func (*Process) GidsWithContext 

func (p *Process) GidsWithContext(ctx context.Context) ([]int32, error)

func (*Process) Groups 

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

Groups returns all group IDs(include supplementary groups) of the process as a slice of the int

func (*Process) GroupsWithContext 

func (p *Process) GroupsWithContext(ctx context.Context) ([]int32, error)

func (*Process) IOCounters 

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

func (*Process) IOCountersWithContext 

func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error)

func (*Process) IOnice 

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

func (*Process) IOniceWithContext 

func (p *Process) IOniceWithContext(ctx context.Context) (int32, error)

func (*Process) IsRunning 

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

IsRunning returns whether the process is still running or not.

func (*Process) IsRunningWithContext 

func (p *Process) IsRunningWithContext(ctx context.Context) (bool, error)

func (*Process) Kill 

func (p *Process) Kill() error

func (*Process) KillWithContext 

func (p *Process) KillWithContext(ctx context.Context) error

func (*Process) MemoryInfo 

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

func (*Process) MemoryInfoEx 

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

func (*Process) MemoryInfoExWithContext 

func (p *Process) MemoryInfoExWithContext(ctx context.Context) (*MemoryInfoExStat, error)

func (*Process) MemoryInfoWithContext 

func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error)

func (*Process) MemoryMaps 

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

func (*Process) MemoryMapsWithContext 

func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]MemoryMapsStat, error)

func (*Process) MemoryPercent 

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

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

func (*Process) MemoryPercentWithContext 

func (p *Process) MemoryPercentWithContext(ctx context.Context) (float32, error)

func (*Process) Name 

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

func (*Process) NameWithContext 

func (p *Process) NameWithContext(ctx context.Context) (string, error)

func (*Process) NetIOCounters 

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

func (*Process) NetIOCountersWithContext 

func (p *Process) NetIOCountersWithContext(ctx context.Context, pernic bool) ([]net.IOCountersStat, error)

func (*Process) Nice 

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

func (*Process) NiceWithContext 

func (p *Process) NiceWithContext(ctx context.Context) (int32, error)

func (*Process) NumCtxSwitches 

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

func (*Process) NumCtxSwitchesWithContext 

func (p *Process) NumCtxSwitchesWithContext(ctx context.Context) (*NumCtxSwitchesStat, error)

func (*Process) NumFDs 

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

func (*Process) NumFDsWithContext 

func (p *Process) NumFDsWithContext(ctx context.Context) (int32, error)

func (*Process) NumThreads 

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

func (*Process) NumThreadsWithContext 

func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error)

func (*Process) OpenFiles 

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

func (*Process) OpenFilesWithContext 

func (p *Process) OpenFilesWithContext(ctx context.Context) ([]OpenFilesStat, error)

func (*Process) PageFaults 

func (p *Process) PageFaults() (*PageFaultsStat, error)

func (*Process) PageFaultsWithContext 

func (p *Process) PageFaultsWithContext(ctx context.Context) (*PageFaultsStat, error)

func (*Process) Parent 

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

func (*Process) ParentWithContext 

func (p *Process) ParentWithContext(ctx context.Context) (*Process, error)

func (*Process) Percent 

func (p *Process) Percent(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) PercentWithContext 

func (p *Process) PercentWithContext(ctx context.Context, interval time.Duration) (float64, error)

func (*Process) Ppid 

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

func (*Process) PpidWithContext 

func (p *Process) PpidWithContext(ctx context.Context) (int32, error)

func (*Process) Resume 

func (p *Process) Resume() error

func (*Process) ResumeWithContext 

func (p *Process) ResumeWithContext(ctx context.Context) error

func (*Process) Rlimit 

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

func (*Process) RlimitUsage 

func (p *Process) RlimitUsage(gatherUsed bool) ([]RlimitStat, error)

func (*Process) RlimitUsageWithContext 

func (p *Process) RlimitUsageWithContext(ctx context.Context, gatherUsed bool) ([]RlimitStat, error)

func (*Process) RlimitWithContext 

func (p *Process) RlimitWithContext(ctx context.Context) ([]RlimitStat, error)

func (*Process) SendSignal 

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

func (*Process) SendSignalWithContext 

func (p *Process) SendSignalWithContext(ctx context.Context, sig syscall.Signal) error

func (*Process) Status 

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

func (*Process) StatusWithContext 

func (p *Process) StatusWithContext(ctx context.Context) (string, error)

func (Process) String 

func (p Process) String() string

func (*Process) Suspend 

func (p *Process) Suspend() error

func (*Process) SuspendWithContext 

func (p *Process) SuspendWithContext(ctx context.Context) error

func (*Process) Terminal 

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

func (*Process) TerminalWithContext 

func (p *Process) TerminalWithContext(ctx context.Context) (string, error)

func (*Process) Terminate 

func (p *Process) Terminate() error

func (*Process) TerminateWithContext 

func (p *Process) TerminateWithContext(ctx context.Context) error

func (*Process) Tgid 

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

func (*Process) Threads 

func (p *Process) Threads() (map[int32]*cpu.TimesStat, error)

func (*Process) ThreadsWithContext 

func (p *Process) ThreadsWithContext(ctx context.Context) (map[int32]*cpu.TimesStat, error)

func (*Process) Times 

func (p *Process) Times() (*cpu.TimesStat, error)

func (*Process) TimesWithContext 

func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error)

func (*Process) Uids 

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

func (*Process) UidsWithContext 

func (p *Process) UidsWithContext(ctx context.Context) ([]int32, error)

func (*Process) Username 

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

func (*Process) UsernameWithContext 

func (p *Process) UsernameWithContext(ctx context.Context) (string, error)

type RlimitStat 

type RlimitStat struct {
	Resource int32  `json:"resource"`
	Soft     int32  `json:"soft"` //TODO too small. needs to be uint64
	Hard     int32  `json:"hard"` //TODO too small. needs to be uint64
	Used     uint64 `json:"used"`
}

func (RlimitStat) String 

func (r RlimitStat) String() string

type SignalInfoStat 

type SignalInfoStat struct {
	PendingProcess uint64 `json:"pending_process"`
	PendingThread  uint64 `json:"pending_thread"`
	Blocked        uint64 `json:"blocked"`
	Ignored        uint64 `json:"ignored"`
	Caught         uint64 `json:"caught"`
}

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.