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This small utility is something we probably needed for a very long time - a way to print memory statistics in an elegant manner. This utility opens /sys/kernel/memstat, reads it and decode the values into human readable entries, possibly even into human-readable sizes.
36 lines
902 B
Markdown
36 lines
902 B
Markdown
## Name
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memstat - show memory statistics
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## Synopsis
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```**sh
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$ memstat
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```
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## Options
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* `-h` , `--human-readable`: Print human-readable sizes
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## Examples
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```sh
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$ memstat
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Kmalloc allocated: 7894528/10979648
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Physical pages (in use) count: 172249088/1016643584
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Physical pages (committed) count: 125521920
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Physical pages (uncommitted) count: 718872576
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Physical pages (total) count: 248204
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Kmalloc call count: 77475
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Kfree call count: 59575
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Kmalloc/Kfree delta: +17900
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$ memstat -h
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Kmalloc allocated: 7.5 MiB (7,908,928 bytes) / 10.4 MiB (10,978,624 bytes)
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Physical pages (in use) count: 164.8 MiB (172,838,912 bytes) / 969.5 MiB (1,016,643,584 bytes)
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Physical pages (committed) count: 119.6 MiB (125,485,056 bytes)
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Physical pages (uncommitted) count: 685.0 MiB (718,319,616 bytes)
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Physical pages (total) count: 248204
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Kmalloc call count: 78714
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Kfree call count: 60777
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Kmalloc/Kfree delta: +17937
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```
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