public void ParsesProcStatOneCpu()
{
const string input = @"
cpu 25797356 475644 10905875 237407016 8561195 0 790919 1433602 0 0
cpu0 25797356 475644 10905875 237407016 8561195 0 790919 1433602 0 0
intr 2102264361 2 9 0 0 0 0 3 0 1 0 0 33 15 0 0 2863339 0 0 0 0 0 0 0 0 0 142080017 0 187462829 141643800 0 0 0 0 0 0 2766816 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ctxt 5373393714
btime 1586466311
processes 23736296
procs_running 1
procs_blocked 0
softirq 1500396835 0 271650897 70556582 475462237 143674570 0 54787062 0 6656 484258831
";
var result = ProcStatParser.ParseCpuUsage(input, CLOCK_TICKS_PER_SECOND).ToList();
using (new AssertionScope())
{
result.Should().HaveCount(1);
var data = result[0];
data.CpuIndex.Should().Be(0);
data.Idle.Should().Be(2374070.16);
data.IoWait.Should().Be(85611.95);
data.Irq.Should().Be(0);
data.Nice.Should().Be(4756.44);
data.SoftIrq.Should().Be(7909.19);
data.Steal.Should().Be(14336.02);
data.System.Should().Be(109058.75);
data.User.Should().Be(257973.56);
}
}
/// <summary>
/// Update data for the metrics. Called immediately before the metrics are scraped.
/// </summary>
public void UpdateMetrics()
{
var usage = ProcStatParser.ParseCpuUsage(File.ReadAllText(STAT_FILE), _clockTicksPerSecond);
foreach (var data in usage)
{
var cpuIndex = data.CpuIndex.ToString();
Cpu.WithLabels(cpuIndex, "idle").IncTo(data.Idle);
Cpu.WithLabels(cpuIndex, "iowait").IncTo(data.IoWait);
Cpu.WithLabels(cpuIndex, "irq").IncTo(data.Irq);
Cpu.WithLabels(cpuIndex, "nice").IncTo(data.Nice);
Cpu.WithLabels(cpuIndex, "softirq").IncTo(data.SoftIrq);
Cpu.WithLabels(cpuIndex, "steal").IncTo(data.Steal);
Cpu.WithLabels(cpuIndex, "system").IncTo(data.System);
Cpu.WithLabels(cpuIndex, "user").IncTo(data.User);
}
}
public void ParsesProcStatMultipleCpus()
{
const string input = @"
cpu 6856179 266112 3643053 367130039 407323 0 97515 6363431 0 0
cpu0 2713121 59602 1047164 90730609 93013 0 27443 1370766 0 0
cpu1 1387186 67885 921779 91950147 114170 0 42502 1801892 0 0
cpu2 1414461 71115 943043 92038864 110648 0 18255 1736643 0 0
cpu3 1341410 67508 731065 92410418 89490 0 9313 1454128 0 0
intr 304984032 3 9 0 0 0 0 0 0 0 0 0 0 3 0 0 942829 0 0 0 0 0 0 0 0 0 1636816 0 13318452 7577792 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ctxt 599038287
btime 1588487095
processes 636829
procs_running 3
procs_blocked 0
softirq 214206550 0 68470359 13 31547001 2150475 0 1007474 41089356 794 69941078
";
var result = ProcStatParser.ParseCpuUsage(input, CLOCK_TICKS_PER_SECOND).ToList();
result.Should().HaveCount(4);
using (new AssertionScope())
{
result[0].CpuIndex.Should().Be(0);
result[0].Idle.Should().Be(907306.09);
result[0].IoWait.Should().Be(930.13);
result[0].Irq.Should().Be(0);
result[0].Nice.Should().Be(596.02);
result[0].SoftIrq.Should().Be(274.43);
result[0].Steal.Should().Be(13707.66);
result[0].System.Should().Be(10471.64);
result[0].User.Should().Be(27131.21);
}
using (new AssertionScope())
{
result[1].CpuIndex.Should().Be(1);
result[1].Idle.Should().Be(919501.47);
result[1].IoWait.Should().Be(1141.7);
result[1].Irq.Should().Be(0);
result[1].Nice.Should().Be(678.85);
result[1].SoftIrq.Should().Be(425.02);
result[1].Steal.Should().Be(18018.92);
result[1].System.Should().Be(9217.79);
result[1].User.Should().Be(13871.86);
}
using (new AssertionScope())
{
result[2].CpuIndex.Should().Be(2);
result[2].Idle.Should().Be(920388.64);
result[2].IoWait.Should().Be(1106.48);
result[2].Irq.Should().Be(0);
result[2].Nice.Should().Be(711.15);
result[2].SoftIrq.Should().Be(182.55);
result[2].Steal.Should().Be(17366.43);
result[2].System.Should().Be(9430.43);
result[2].User.Should().Be(14144.61);
}
using (new AssertionScope())
{
result[3].CpuIndex.Should().Be(3);
result[3].Idle.Should().Be(924104.18);
result[3].IoWait.Should().Be(894.9);
result[3].Irq.Should().Be(0);
result[3].Nice.Should().Be(675.08);
result[3].SoftIrq.Should().Be(93.13);
result[3].Steal.Should().Be(14541.28);
result[3].System.Should().Be(7310.65);
result[3].User.Should().Be(13414.1);
}
}