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🩹 Avoid panic when updating statistics 

fix #903
pull/906/head
kiyon 2020-10-10 10:39:12 +08:00
parent 45399ef9fe
commit d446a32b30
1 changed files with 9 additions and 6 deletions
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15
middleware/monitor/monitor.go
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@ -91,14 +91,17 @@ func updateStatistics(p *process.Process) {
pidCpu, _ := p.CPUPercent()
monitPidCpu.Store(pidCpu / 10)
osCpu, _ := cpu.Percent(0, false)
monitOsCpu.Store(osCpu[0])
if osCpu, _ := cpu.Percent(0, false); len(osCpu) > 0 {
monitOsCpu.Store(osCpu[0])
}
pidMem, _ := p.MemoryInfo()
monitPidRam.Store(pidMem.RSS)
if pidMem, _ := p.MemoryInfo(); pidMem != nil {
monitPidRam.Store(pidMem.RSS)
}
osMem, _ := mem.VirtualMemory()
monitOsRam.Store(osMem.Used)
if osMem, _ := mem.VirtualMemory(); osMem != nil {
monitOsRam.Store(osMem.Used)
}
pidConns, _ := net.ConnectionsPid("tcp", p.Pid)
monitPidConns.Store(len(pidConns))