05ade19302
* dashboard: footer, deep state update * dashboard: resolve asset path * dashboard: prevent state update on every reconnection * dashboard: fix linter issue * dashboard, cmd: minor UI fix, include commit hash * dashboard: gitCommit renamed to commit * dashboard: move the geth version to the right, make commit optional * dashboard: memory, traffic and CPU on footer * dashboard: fix merge * dashboard: CPU, diskIO on footer * dashboard: rename variables, use group declaration * dashboard: docs
85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
// Copyright (c) 2012 VMware, Inc.
|
|
|
|
package gosigar
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
)
|
|
|
|
func init() {
|
|
system.ticks = 100 // C.sysconf(C._SC_CLK_TCK)
|
|
|
|
Procd = "/proc"
|
|
|
|
getLinuxBootTime()
|
|
}
|
|
|
|
func getMountTableFileName() string {
|
|
return "/etc/mtab"
|
|
}
|
|
|
|
func (self *Uptime) Get() error {
|
|
sysinfo := syscall.Sysinfo_t{}
|
|
|
|
if err := syscall.Sysinfo(&sysinfo); err != nil {
|
|
return err
|
|
}
|
|
|
|
self.Length = float64(sysinfo.Uptime)
|
|
|
|
return nil
|
|
}
|
|
|
|
func (self *FDUsage) Get() error {
|
|
return readFile(Procd+"/sys/fs/file-nr", func(line string) bool {
|
|
fields := strings.Fields(line)
|
|
if len(fields) == 3 {
|
|
self.Open, _ = strconv.ParseUint(fields[0], 10, 64)
|
|
self.Unused, _ = strconv.ParseUint(fields[1], 10, 64)
|
|
self.Max, _ = strconv.ParseUint(fields[2], 10, 64)
|
|
}
|
|
return false
|
|
})
|
|
}
|
|
|
|
func (self *ProcFDUsage) Get(pid int) error {
|
|
err := readFile(procFileName(pid, "limits"), func(line string) bool {
|
|
if strings.HasPrefix(line, "Max open files") {
|
|
fields := strings.Fields(line)
|
|
if len(fields) == 6 {
|
|
self.SoftLimit, _ = strconv.ParseUint(fields[3], 10, 64)
|
|
self.HardLimit, _ = strconv.ParseUint(fields[4], 10, 64)
|
|
}
|
|
return false
|
|
}
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fds, err := ioutil.ReadDir(procFileName(pid, "fd"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
self.Open = uint64(len(fds))
|
|
return nil
|
|
}
|
|
|
|
func parseCpuStat(self *Cpu, line string) error {
|
|
fields := strings.Fields(line)
|
|
|
|
self.User, _ = strtoull(fields[1])
|
|
self.Nice, _ = strtoull(fields[2])
|
|
self.Sys, _ = strtoull(fields[3])
|
|
self.Idle, _ = strtoull(fields[4])
|
|
self.Wait, _ = strtoull(fields[5])
|
|
self.Irq, _ = strtoull(fields[6])
|
|
self.SoftIrq, _ = strtoull(fields[7])
|
|
self.Stolen, _ = strtoull(fields[8])
|
|
|
|
return nil
|
|
}
|