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https://github.com/prometheus/node_exporter.git
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Convert AIX cpu usage to seconds
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parent
163e9325c3
commit
05a8c77433
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@ -16,7 +16,13 @@
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package collector
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package collector
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/*
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#include <unistd.h> // Include the standard Unix header
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#include <errno.h> // For errno
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*/
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import "C"
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import (
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import (
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"fmt"
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"strconv"
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"strconv"
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"github.com/go-kit/log"
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"github.com/go-kit/log"
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@ -27,16 +33,30 @@ import (
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type cpuCollector struct {
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type cpuCollector struct {
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cpu typedDesc
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cpu typedDesc
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logger log.Logger
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logger log.Logger
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tickPerSecond int64
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}
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}
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func init() {
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func init() {
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registerCollector("cpu", defaultEnabled, NewCpuCollector)
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registerCollector("cpu", defaultEnabled, NewCpuCollector)
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}
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}
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func tickPerSecond() (int64, error) {
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ticks, err := C.sysconf(C._SC_CLK_TCK)
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if ticks == -1 || err != nil {
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return 0, fmt.Errorf("failed to get clock ticks per second: %v", err)
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}
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return int64(ticks), nil
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}
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func NewCpuCollector(logger log.Logger) (Collector, error) {
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func NewCpuCollector(logger log.Logger) (Collector, error) {
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ticks, err := tickPerSecond()
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if err != nil {
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return nil, err
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}
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return &cpuCollector{
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return &cpuCollector{
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cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue},
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cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue},
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logger: logger,
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logger: logger,
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tickPerSecond: ticks,
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}, nil
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}, nil
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}
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}
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@ -47,10 +67,10 @@ func (c *cpuCollector) Update(ch chan<- prometheus.Metric) error {
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}
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}
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for n, stat := range stats {
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for n, stat := range stats {
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ch <- c.cpu.mustNewConstMetric(float64(stat.User), strconv.Itoa(n), "user")
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ch <- c.cpu.mustNewConstMetric(float64(stat.User/c.tickPerSecond), strconv.Itoa(n), "user")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Sys), strconv.Itoa(n), "system")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Sys/c.tickPerSecond), strconv.Itoa(n), "system")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Idle), strconv.Itoa(n), "idle")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Idle/c.tickPerSecond), strconv.Itoa(n), "idle")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Wait), strconv.Itoa(n), "wait")
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ch <- c.cpu.mustNewConstMetric(float64(stat.Wait/c.tickPerSecond), strconv.Itoa(n), "wait")
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}
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}
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return nil
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return nil
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}
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}
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