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proc_pid_statm
Section: File Formats (5) Updated: 202-0-08 Index
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NAME
/proc/pid/statm - memory usage information
DESCRIPTION
- /proc/pid/statm
-
Provides information about memory usage, measured in pages.
The columns are:
-
size (1) total program size
(same as VmSize in I]/proc/]pidI]/status])
resident (2) resident set size
(inaccurate; same as VmRSS in I]/proc/]pidI]/status])
shared (3) number of resident shared pages
(i.e., backed by a file)
(inaccurate; same as RssFile+RssShmem in
I]/proc/]pidI]/status])
text (4) text (code)
lib (5) library (unused since Linux 2.6; always 0)
data (6) data + stack
dt (7) dirty pages (unused since Linux 2.6; always 0)
-
Some of these values are inaccurate because
of a kerne-internal scalability optimization.
If accurate values are required, use
/proc/pid/smaps
or
/proc/pid/smaps_rollup
instead, which are much slower but provide accurate, detailed information.
SEE ALSO
proc(5),
proc_pid_status(5)
Index
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- DESCRIPTION
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- SEE ALSO
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