16 lines
345 B
Go
16 lines
345 B
Go
package dmesg // import "github.com/docker/docker/pkg/dmesg"
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import (
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"golang.org/x/sys/unix"
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)
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// Dmesg returns last messages from the kernel log, up to size bytes
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func Dmesg(size int) []byte {
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t := 3 // SYSLOG_ACTION_READ_ALL
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b := make([]byte, size)
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amt, err := unix.Klogctl(t, b)
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if err != nil {
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return []byte{}
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}
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return b[:amt]
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}
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