xmtop/widgets/proc_freebsd.go
2020-04-28 13:23:50 -05:00

67 lines
1.6 KiB
Go

package widgets
import (
"encoding/json"
"fmt"
"log"
"os/exec"
"strconv"
"strings"
"github.com/xxxserxxx/gotop/v4/utils"
)
type processList struct {
ProcessInformation struct {
Process []struct {
Pid string `json:"pid"`
Comm string `json:"command"`
CPU string `json:"percent-cpu" `
Mem string `json:"percent-memory" `
Args string `json:"arguments" `
} `json:"process"`
} `json:"process-information"`
}
func getProcs() ([]Proc, error) {
output, err := exec.Command("ps", "-axo pid,comm,%cpu,%mem,args", "--libxo", "json").Output()
if err != nil {
return nil, fmt.Errorf("failed to execute 'ps' command: %v", err)
}
list := processList{}
err = json.Unmarshal(output, &list)
if err != nil {
return nil, fmt.Errorf("failed to unmarshal json. %s", err)
}
procs := []Proc{}
for _, process := range list.ProcessInformation.Process {
if process.Comm == "idle" {
continue
}
pid, err := strconv.Atoi(strings.TrimSpace(process.Pid))
if err != nil {
log.Printf("failed to convert first field to int: %v. split: %v", err, process)
}
cpu, err := strconv.ParseFloat(utils.ConvertLocalizedString(process.CPU), 32)
if err != nil {
log.Printf("failed to convert third field to float: %v. split: %v", err, process)
}
mem, err := strconv.ParseFloat(utils.ConvertLocalizedString(process.Mem), 32)
if err != nil {
log.Printf("failed to convert fourth field to float: %v. split: %v", err, process)
}
proc := Proc{
Pid: pid,
CommandName: process.Comm,
CPU: cpu,
Mem: mem,
FullCommand: process.Args,
}
procs = append(procs, proc)
}
return procs, nil
}