In `atop`, does MEM (the percentage figure) reflect PSIZE or only RSIZE?
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When PSIZE is available, does atop use it to make the MEM figure more useful, or does the MEM figure in atop always reflect RSIZE (RSS)?
The manpage seems unhelpful.
MEM
The occupation percentage of this process related to the available capacity for this resource on system level.
memory atop
asked Feb 18 at 11:04
sourcejedi
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up vote
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favorite
When PSIZE is available, does atop use it to make the MEM figure more useful, or does the MEM figure in atop always reflect RSIZE (RSS)?
The manpage seems unhelpful.
MEM
The occupation percentage of this process related to the available capacity for this resource on system level.
memory atop
asked Feb 18 at 11:04
sourcejedi
18.9k32478
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
When PSIZE is available, does atop use it to make the MEM figure more useful, or does the MEM figure in atop always reflect RSIZE (RSS)?
The manpage seems unhelpful.
MEM
The occupation percentage of this process related to the available capacity for this resource on system level.
memory atop
asked Feb 18 at 11:04
sourcejedi
18.9k32478
When PSIZE is available, does atop use it to make the MEM figure more useful, or does the MEM figure in atop always reflect RSIZE (RSS)?
The manpage seems unhelpful.
MEM
The occupation percentage of this process related to the available capacity for this resource on system level.
memory atop
asked Feb 18 at 11:04
sourcejedi
18.9k32478
asked Feb 18 at 11:04
sourcejedi
18.9k32478
asked Feb 18 at 11:04
sourcejedi
18.9k32478
asked Feb 18 at 11:04
sourcejedi
18.9k32478
18.9k32478
add a comment |Â
add a comment |Â
1 Answer
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I tested on atop-2.3.0-8.fc27.x86_64.
RSIZE, not PSIZE, is used when sorting by memory usage (use the M key), and for the MEM column.
RSIZE PSIZE MEM
311.0M 260.2M 4%
303.3M 288.1M 4%
217.6M 123.1M 3%
More detailed output:
PID TID MINFLT MAJFLT VSTEXT VSLIBS VDATA VSTACK VSIZE RSIZE PSIZE VGROW RGROW SWAPSZ RUID EUID MEM CMD
1782 - 2413 0 16K 96480K 361.5M 288K 3.8G 311.0M 260.2M 10772K 9448K 0K alan alan 4% gnome-shell
1455 - 0 0 280K 30860K 340.8M 132K 1.0G 303.3M 288.1M 0K 0K 0K root root 4% packagekitd
13561 - 41988 34 196K 143.2M 298.0M 136K 2.2G 217.6M 123.1M 255.3M 139.0M 0K alan alan 3% Web Content
13333 - 25219 0 196K 119.6M 277.9M 144K 2.1G 190.9M 111.9M 0K 3560K 0K alan alan 2% Web Content
https://www.atoptool.nl/screenshots.php
The memory percentage (column MEM) shows the resident memory occupation by this process, because that is what matters when your system starts swapping.
https://www.atoptool.nl/download/case_leakage.pdf
The memory details (subcommand 'm') show the current RSS per process in the column RSIZE and (as a percentage of the total memory installed) in the column MEM.
answered Feb 18 at 11:04
sourcejedi
18.9k32478
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
0
down vote
accepted
I tested on atop-2.3.0-8.fc27.x86_64.
RSIZE, not PSIZE, is used when sorting by memory usage (use the M key), and for the MEM column.
RSIZE PSIZE MEM
311.0M 260.2M 4%
303.3M 288.1M 4%
217.6M 123.1M 3%
More detailed output:
PID TID MINFLT MAJFLT VSTEXT VSLIBS VDATA VSTACK VSIZE RSIZE PSIZE VGROW RGROW SWAPSZ RUID EUID MEM CMD
1782 - 2413 0 16K 96480K 361.5M 288K 3.8G 311.0M 260.2M 10772K 9448K 0K alan alan 4% gnome-shell
1455 - 0 0 280K 30860K 340.8M 132K 1.0G 303.3M 288.1M 0K 0K 0K root root 4% packagekitd
13561 - 41988 34 196K 143.2M 298.0M 136K 2.2G 217.6M 123.1M 255.3M 139.0M 0K alan alan 3% Web Content
13333 - 25219 0 196K 119.6M 277.9M 144K 2.1G 190.9M 111.9M 0K 3560K 0K alan alan 2% Web Content
https://www.atoptool.nl/screenshots.php
The memory percentage (column MEM) shows the resident memory occupation by this process, because that is what matters when your system starts swapping.
https://www.atoptool.nl/download/case_leakage.pdf
The memory details (subcommand 'm') show the current RSS per process in the column RSIZE and (as a percentage of the total memory installed) in the column MEM.
answered Feb 18 at 11:04
sourcejedi
18.9k32478
add a comment |Â
up vote
0
down vote
accepted
I tested on atop-2.3.0-8.fc27.x86_64.
RSIZE, not PSIZE, is used when sorting by memory usage (use the M key), and for the MEM column.
RSIZE PSIZE MEM
311.0M 260.2M 4%
303.3M 288.1M 4%
217.6M 123.1M 3%
More detailed output:
PID TID MINFLT MAJFLT VSTEXT VSLIBS VDATA VSTACK VSIZE RSIZE PSIZE VGROW RGROW SWAPSZ RUID EUID MEM CMD
1782 - 2413 0 16K 96480K 361.5M 288K 3.8G 311.0M 260.2M 10772K 9448K 0K alan alan 4% gnome-shell
1455 - 0 0 280K 30860K 340.8M 132K 1.0G 303.3M 288.1M 0K 0K 0K root root 4% packagekitd
13561 - 41988 34 196K 143.2M 298.0M 136K 2.2G 217.6M 123.1M 255.3M 139.0M 0K alan alan 3% Web Content
13333 - 25219 0 196K 119.6M 277.9M 144K 2.1G 190.9M 111.9M 0K 3560K 0K alan alan 2% Web Content
https://www.atoptool.nl/screenshots.php
The memory percentage (column MEM) shows the resident memory occupation by this process, because that is what matters when your system starts swapping.
https://www.atoptool.nl/download/case_leakage.pdf
The memory details (subcommand 'm') show the current RSS per process in the column RSIZE and (as a percentage of the total memory installed) in the column MEM.
answered Feb 18 at 11:04
sourcejedi
18.9k32478
add a comment |Â
up vote
0
down vote
accepted
up vote
0
down vote
accepted
I tested on atop-2.3.0-8.fc27.x86_64.
RSIZE, not PSIZE, is used when sorting by memory usage (use the M key), and for the MEM column.
RSIZE PSIZE MEM
311.0M 260.2M 4%
303.3M 288.1M 4%
217.6M 123.1M 3%
More detailed output:
PID TID MINFLT MAJFLT VSTEXT VSLIBS VDATA VSTACK VSIZE RSIZE PSIZE VGROW RGROW SWAPSZ RUID EUID MEM CMD
1782 - 2413 0 16K 96480K 361.5M 288K 3.8G 311.0M 260.2M 10772K 9448K 0K alan alan 4% gnome-shell
1455 - 0 0 280K 30860K 340.8M 132K 1.0G 303.3M 288.1M 0K 0K 0K root root 4% packagekitd
13561 - 41988 34 196K 143.2M 298.0M 136K 2.2G 217.6M 123.1M 255.3M 139.0M 0K alan alan 3% Web Content
13333 - 25219 0 196K 119.6M 277.9M 144K 2.1G 190.9M 111.9M 0K 3560K 0K alan alan 2% Web Content
https://www.atoptool.nl/screenshots.php
The memory percentage (column MEM) shows the resident memory occupation by this process, because that is what matters when your system starts swapping.
https://www.atoptool.nl/download/case_leakage.pdf
The memory details (subcommand 'm') show the current RSS per process in the column RSIZE and (as a percentage of the total memory installed) in the column MEM.
answered Feb 18 at 11:04
sourcejedi
18.9k32478
I tested on atop-2.3.0-8.fc27.x86_64.
RSIZE, not PSIZE, is used when sorting by memory usage (use the M key), and for the MEM column.
RSIZE PSIZE MEM
311.0M 260.2M 4%
303.3M 288.1M 4%
217.6M 123.1M 3%
More detailed output:
PID TID MINFLT MAJFLT VSTEXT VSLIBS VDATA VSTACK VSIZE RSIZE PSIZE VGROW RGROW SWAPSZ RUID EUID MEM CMD
1782 - 2413 0 16K 96480K 361.5M 288K 3.8G 311.0M 260.2M 10772K 9448K 0K alan alan 4% gnome-shell
1455 - 0 0 280K 30860K 340.8M 132K 1.0G 303.3M 288.1M 0K 0K 0K root root 4% packagekitd
13561 - 41988 34 196K 143.2M 298.0M 136K 2.2G 217.6M 123.1M 255.3M 139.0M 0K alan alan 3% Web Content
13333 - 25219 0 196K 119.6M 277.9M 144K 2.1G 190.9M 111.9M 0K 3560K 0K alan alan 2% Web Content
https://www.atoptool.nl/screenshots.php
The memory percentage (column MEM) shows the resident memory occupation by this process, because that is what matters when your system starts swapping.
https://www.atoptool.nl/download/case_leakage.pdf
The memory details (subcommand 'm') show the current RSS per process in the column RSIZE and (as a percentage of the total memory installed) in the column MEM.
answered Feb 18 at 11:04
sourcejedi
18.9k32478
answered Feb 18 at 11:04
sourcejedi
18.9k32478
answered Feb 18 at 11:04
sourcejedi
18.9k32478
answered Feb 18 at 11:04
sourcejedi
18.9k32478
18.9k32478
add a comment |Â
add a comment |Â
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