// getDetails fills in CPU, memory, and command line details for the process
func (proc *Process) getDetails(cmdline string) error {
mem := sigar.ProcMem{}
if err := mem.Get(proc.Pid); err != nil {
return fmt.Errorf("error getting process mem for pid=%d: %v", proc.Pid, err)
}
proc.Mem = &ProcMemStat{
Size: mem.Size,
Rss: mem.Resident,
Share: mem.Share,
}
cpu := sigar.ProcTime{}
if err := cpu.Get(proc.Pid); err != nil {
return fmt.Errorf("error getting process cpu time for pid=%d: %v", proc.Pid, err)
}
proc.Cpu = &ProcCpuTime{
Start: cpu.FormatStartTime(),
Total: cpu.Total,
User: cpu.User,
System: cpu.Sys,
}
if cmdline == "" {
args := sigar.ProcArgs{}
if err := args.Get(proc.Pid); err != nil {
return fmt.Errorf("error getting process arguments for pid=%d: %v", proc.Pid, err)
}
proc.CmdLine = strings.Join(args.List, " ")
} else {
proc.CmdLine = cmdline
}
return nil
}
func main() {
pids := gosigar.ProcList{}
pids.Get()
// ps -eo pid,ppid,stime,time,rss,user,state,command
fmt.Print(" PID PPID STIME TIME RSS USER S COMMAND\n")
for _, pid := range pids.List {
state := gosigar.ProcState{}
mem := gosigar.ProcMem{}
time := gosigar.ProcTime{}
args := gosigar.ProcArgs{}
if err := state.Get(pid); err != nil {
continue
}
if err := mem.Get(pid); err != nil {
continue
}
if err := time.Get(pid); err != nil {
continue
}
if err := args.Get(pid); err != nil {
continue
}
fmt.Printf("%5d %5d %s %s %6d %-15s %c %s\n",
pid, state.Ppid,
time.FormatStartTime(), time.FormatTotal(),
mem.Resident/1024, state.Username, state.State,
strings.Join(args.List, " "))
}
}
