github.com/c2s/go-ethereum@v1.9.7/metrics/cpu.go (about)

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