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Linux commands: Difference between revisions
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** namespace: ROOT\CIMV2 | ** namespace: ROOT\CIMV2 | ||
** WQL query: {{kbd | key= SELECT LoadPercentage FROM Win32_Processor}}; No need to divid by CPU cores number for Win8 | ** WQL query: {{kbd | key= SELECT LoadPercentage FROM Win32_Processor}}; No need to divid by CPU cores number for Win8 | ||
** output example: 24 ([https://msdn.microsoft.com/zh-tw/library/system.uint16(v=vs.110).aspx Unsigned Integer]) unit: % | ** output example: 24 ([https://msdn.microsoft.com/zh-tw/library/system.uint16(v=vs.110).aspx UInt16, 16 bit Unsigned Integer]) unit: % | ||
* Linux: | ** CPU usage = LoadPercentage; unit: % | ||
* Linux / freebsd / Mac: | |||
** PHP function [http://php.net/manual/en/function.sys-getloadavg.php sys_getloadavg()] unit: %; Need to divid by CPU cores number | ** PHP function [http://php.net/manual/en/function.sys-getloadavg.php sys_getloadavg()] unit: %; Need to divid by CPU cores number | ||
Memory usage | Memory usage | ||
* Windows: | * Windows: | ||
* Linux: | ** namespace: ROOT\CIMV2 | ||
** WQL query: {{kbd | key= SELECT FreePhysicalMemory, TotalVisibleMemorySize FROM Win32_OperatingSystem}}; | |||
** output example: 21683460 ([https://msdn.microsoft.com/zh-tw/library/system.uint64(v=vs.110).aspx UInt64, 64 bit Unsigned Integer]) unit: KB | |||
** memory usage = (FreePhysicalMemory * 100) / TotalVisibleMemorySize; unit: % | |||
* Linux / freebsd: | |||
** command: {{kbd | key = free}} | |||
** output example: | |||
<pre> | |||
total used free shared buffers cached | |||
Mem: 8060416 7922496 137920 120 183608 526180 | |||
-/+ buffers/cache: 7212708 847708 | |||
Swap: 4194300 1219364 2974936 | |||
</pre> | |||
** memory usage = 7922496 / 8060416; unit: % | |||
* Mac (Darwin): | |||
** command: {{kbd | key = top -l 1 | grep PhysMem:}} | |||
** output example: PhysMem: 8017M used (1486M wired), 172M unused. | |||
** memory usage: 172 / (8017+172); unit: % | |||
=== Scan the disk === | === Scan the disk === | ||