github.com/aigarnetwork/aigar@v0.0.0-20191115204914-d59a6eb70f8e/metrics/cpu.go (about)

     1  //  Copyright 2018 The go-ethereum Authors
     2  //  Copyright 2019 The go-aigar Authors
     3  //  This file is part of the go-aigar library.
     4  //
     5  //  The go-aigar library is free software: you can redistribute it and/or modify
     6  //  it under the terms of the GNU Lesser General Public License as published by
     7  //  the Free Software Foundation, either version 3 of the License, or
     8  //  (at your option) any later version.
     9  //
    10  //  The go-aigar library is distributed in the hope that it will be useful,
    11  //  but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  //  GNU Lesser General Public License for more details.
    14  //
    15  //  You should have received a copy of the GNU Lesser General Public License
    16  //  along with the go-aigar library. If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package metrics
    19  
    20  import "github.com/elastic/gosigar"
    21  
    22  // CPUStats is the system and process CPU stats.
    23  type CPUStats struct {
    24  	GlobalTime int64 // Time spent by the CPU working on all processes
    25  	GlobalWait int64 // Time spent by waiting on disk for all processes
    26  	LocalTime  int64 // Time spent by the CPU working on this process
    27  }
    28  
    29  // ReadCPUStats retrieves the current CPU stats.
    30  func ReadCPUStats(stats *CPUStats) {
    31  	global := gosigar.Cpu{}
    32  	global.Get()
    33  
    34  	stats.GlobalTime = int64(global.User + global.Nice + global.Sys)
    35  	stats.GlobalWait = int64(global.Wait)
    36  	stats.LocalTime = getProcessCPUTime()
    37  }