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Groups > linux.debian.user > #227550
| From | Fabrice BAUZAC-STEHLY <noon@mykolab.com> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: "ps -o %mem" and free memory in Linux |
| Date | 2020-10-02 21:50 +0200 |
| Message-ID | <AVze2-7pN-7@gated-at.bofh.it> (permalink) |
| References | <AUeuZ-6ze-1@gated-at.bofh.it> <AUi5A-jZ-3@gated-at.bofh.it> <AUpA5-4Nh-3@gated-at.bofh.it> <AUpTs-4TS-21@gated-at.bofh.it> <AUqcO-50E-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Victor Sudakov writes:
> I summed up with awk the values of %mem, which are supposed to be "ratio
> of the process's resident set size to the physical memory", correct?
>
> In my understanding, the value of %mem should indicate how much physical
> memory is spent on the "individual" part of the process, otherwise the
> parameter is either useless or misdocumented.
No, in resident memory you can find memory private to a process as well
as memory shared between processes.
And in memory private to a process, you can find resident memory and
non-resident memory.
According to Linux's Documentation/filesystems/proc.txt, we can find
this information in /proc/PID/status:
VmData size of private data segments
e.g. VmData: 123004 kB
This looks like the amount of private memory, but I'm not sure.
--
Fabrice BAUZAC-STEHLY
PGP 015AE9B25DCB0511D200A75DE5674DEA514C891D
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"ps -o %mem" and free memory in Linux Victor Sudakov <vas@sibptus.ru> - 2020-09-29 05:30 +0200
Re: "ps -o %mem" and free memory in Linux Tixy <tixy@yxit.co.uk> - 2020-09-29 09:20 +0200
Re: "ps -o %mem" and free memory in Linux Victor Sudakov <vas@sibptus.ru> - 2020-09-29 17:20 +0200
Re: "ps -o %mem" and free memory in Linux Klaus Singvogel <deb-user-ml@singvogel.net> - 2020-09-29 17:40 +0200
Re: "ps -o %mem" and free memory in Linux Victor Sudakov <vas@sibptus.ru> - 2020-09-29 18:00 +0200
Re: "ps -o %mem" and free memory in Linux Fabrice BAUZAC-STEHLY <noon@mykolab.com> - 2020-10-02 21:50 +0200
Re: "ps -o %mem" and free memory in Linux <tomas@tuxteam.de> - 2020-09-29 11:20 +0200
Re: "ps -o %mem" and free memory in Linux Victor Sudakov <vas@sibptus.ru> - 2020-09-29 17:20 +0200
Re: "ps -o %mem" and free memory in Linux <tomas@tuxteam.de> - 2020-09-29 17:30 +0200
Re: "ps -o %mem" and free memory in Linux Victor Sudakov <vas@sibptus.ru> - 2020-09-29 18:00 +0200
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