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Creating slice from C-array
Might not be lined up correctly? Weird output data in the second CPU.
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parent
03da1ea516
commit
1b7a18c271
@ -18,6 +18,7 @@ package collector
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import (
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import (
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"errors"
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"errors"
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"fmt"
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"fmt"
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"unsafe"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus"
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)
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)
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@ -175,9 +176,11 @@ func (c *statCollector) Update(ch chan<- prometheus.Metric) (err error) {
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if C.getCPUTimes(&ncpu, &cpuTimesC, &cpuTimesLength) == -1 {
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if C.getCPUTimes(&ncpu, &cpuTimesC, &cpuTimesLength) == -1 {
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return errors.New("could not retrieve CPU times")
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return errors.New("could not retrieve CPU times")
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}
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}
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// TODO: Remember to free variables
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// defer C.freeCPUTimes(cpuTimesC)
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// defer C.freeCPUTimes(cpuTimesC)
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fmt.Println(cpuTimesC)
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fmt.Println(uint64(cpuTimesLength))
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cpuTimes := (*[1 << 30]C.struct_kinfo_cputime)(unsafe.Pointer(&cpuTimesC))[:ncpu:ncpu]
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fmt.Println(cpuTimes)
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return errors.New("early kill")
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return errors.New("early kill")
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if cpuTimesLength > maxCPUTimesLen {
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if cpuTimesLength > maxCPUTimesLen {
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return errors.New("more CPU's than MAXCPU?")
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return errors.New("more CPU's than MAXCPU?")
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