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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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21 lines
440 B
Go
21 lines
440 B
Go
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package memory
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import (
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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"golang.org/x/sys/unix"
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)
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const PHYS_PAGES = 0x1f4
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func sysTotalMemory() int {
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memPageSize := unix.Getpagesize()
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// https://man7.org/linux/man-pages/man3/sysconf.3.html
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// _SC_PHYS_PAGES
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memPagesCnt, err := unix.Sysconf(PHYS_PAGES)
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if err != nil {
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logger.Panicf("FATAL: error in unix.Sysconf: %s", err)
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}
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return memPageSize * int(memPagesCnt)
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}
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