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Support the 'guest_nice' cpu mode of /proc/stat. 

'guest_nice' is available since Linux 2.6.33.
This commit is contained in:
Karsten Weiss 2017-04-12 10:15:06 +02:00
parent 636c88adf7
commit 45ca8db352
2 changed files with 9 additions and 1 deletions
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8
collector/fixtures/e2e-output.txt
View File

@ -129,6 +129,7 @@ node_context_switches 3.8014093e+07
# HELP node_cpu Seconds the cpus spent in each mode.
# TYPE node_cpu counter
node_cpu{cpu="cpu0",mode="guest"} 0
node_cpu{cpu="cpu0",mode="guest_nice"} 0
node_cpu{cpu="cpu0",mode="idle"} 10870.69
node_cpu{cpu="cpu0",mode="iowait"} 2.2
node_cpu{cpu="cpu0",mode="irq"} 0.01
@ -138,6 +139,7 @@ node_cpu{cpu="cpu0",mode="steal"} 0
node_cpu{cpu="cpu0",mode="system"} 210.45
node_cpu{cpu="cpu0",mode="user"} 444.9
node_cpu{cpu="cpu1",mode="guest"} 0
node_cpu{cpu="cpu1",mode="guest_nice"} 0
node_cpu{cpu="cpu1",mode="idle"} 11107.87
node_cpu{cpu="cpu1",mode="iowait"} 5.91
node_cpu{cpu="cpu1",mode="irq"} 0
@ -147,6 +149,7 @@ node_cpu{cpu="cpu1",mode="steal"} 0
node_cpu{cpu="cpu1",mode="system"} 164.74
node_cpu{cpu="cpu1",mode="user"} 478.69
node_cpu{cpu="cpu2",mode="guest"} 0
node_cpu{cpu="cpu2",mode="guest_nice"} 0
node_cpu{cpu="cpu2",mode="idle"} 11123.21
node_cpu{cpu="cpu2",mode="iowait"} 4.41
node_cpu{cpu="cpu2",mode="irq"} 0
@ -156,6 +159,7 @@ node_cpu{cpu="cpu2",mode="steal"} 0
node_cpu{cpu="cpu2",mode="system"} 159.16
node_cpu{cpu="cpu2",mode="user"} 465.04
node_cpu{cpu="cpu3",mode="guest"} 0
node_cpu{cpu="cpu3",mode="guest_nice"} 0
node_cpu{cpu="cpu3",mode="idle"} 11132.3
node_cpu{cpu="cpu3",mode="iowait"} 5.33
node_cpu{cpu="cpu3",mode="irq"} 0
@ -165,6 +169,7 @@ node_cpu{cpu="cpu3",mode="steal"} 0
node_cpu{cpu="cpu3",mode="system"} 156.83
node_cpu{cpu="cpu3",mode="user"} 470.54
node_cpu{cpu="cpu4",mode="guest"} 0
node_cpu{cpu="cpu4",mode="guest_nice"} 0
node_cpu{cpu="cpu4",mode="idle"} 11403.21
node_cpu{cpu="cpu4",mode="iowait"} 2.17
node_cpu{cpu="cpu4",mode="irq"} 0
@ -174,6 +179,7 @@ node_cpu{cpu="cpu4",mode="steal"} 0
node_cpu{cpu="cpu4",mode="system"} 107.76
node_cpu{cpu="cpu4",mode="user"} 284.13
node_cpu{cpu="cpu5",mode="guest"} 0
node_cpu{cpu="cpu5",mode="guest_nice"} 0
node_cpu{cpu="cpu5",mode="idle"} 11362.7
node_cpu{cpu="cpu5",mode="iowait"} 6.72
node_cpu{cpu="cpu5",mode="irq"} 0
@ -183,6 +189,7 @@ node_cpu{cpu="cpu5",mode="steal"} 0
node_cpu{cpu="cpu5",mode="system"} 115.86
node_cpu{cpu="cpu5",mode="user"} 292.71
node_cpu{cpu="cpu6",mode="guest"} 0
node_cpu{cpu="cpu6",mode="guest_nice"} 0
node_cpu{cpu="cpu6",mode="idle"} 11397.21
node_cpu{cpu="cpu6",mode="iowait"} 3.19
node_cpu{cpu="cpu6",mode="irq"} 0
@ -192,6 +199,7 @@ node_cpu{cpu="cpu6",mode="steal"} 0
node_cpu{cpu="cpu6",mode="system"} 102.76
node_cpu{cpu="cpu6",mode="user"} 291.52
node_cpu{cpu="cpu7",mode="guest"} 0
node_cpu{cpu="cpu7",mode="guest_nice"} 0
node_cpu{cpu="cpu7",mode="idle"} 11392.82
node_cpu{cpu="cpu7",mode="iowait"} 5.55
node_cpu{cpu="cpu7",mode="irq"} 0

2
collector/stat_linux.go
View File

@ -104,7 +104,7 @@ func (c *statCollector) Update(ch chan<- prometheus.Metric) error {
break
}
// Only some of these may be present, depending on kernel version.
cpuFields := []string{"user", "nice", "system", "idle", "iowait", "irq", "softirq", "steal", "guest"}
cpuFields := []string{"user", "nice", "system", "idle", "iowait", "irq", "softirq", "steal", "guest", "guest_nice"}
// OpenVZ guests lack the "guest" CPU field, which needs to be ignored.
expectedFieldNum := len(cpuFields) + 1
if expectedFieldNum > len(parts) {