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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.
902 B
902 B
Name
memstat - show memory statistics
Synopsis
$ memstat
Options
-h
,--human-readable
: Print human-readable sizes
Examples
$ memstat
Kmalloc allocated: 7894528/10979648
Physical pages (in use) count: 172249088/1016643584
Physical pages (committed) count: 125521920
Physical pages (uncommitted) count: 718872576
Physical pages (total) count: 248204
Kmalloc call count: 77475
Kfree call count: 59575
Kmalloc/Kfree delta: +17900
$ memstat -h
Kmalloc allocated: 7.5 MiB (7,908,928 bytes) / 10.4 MiB (10,978,624 bytes)
Physical pages (in use) count: 164.8 MiB (172,838,912 bytes) / 969.5 MiB (1,016,643,584 bytes)
Physical pages (committed) count: 119.6 MiB (125,485,056 bytes)
Physical pages (uncommitted) count: 685.0 MiB (718,319,616 bytes)
Physical pages (total) count: 248204
Kmalloc call count: 78714
Kfree call count: 60777
Kmalloc/Kfree delta: +17937