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edited Feb 25, 2023 at 8:37

stason

remove | grep python if you want all processes

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.
replace %0.3f with %0.2f if you want only 2 decimals for MBs
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.
replace %0.3f with %0.2f if you want only 2 decimals for MBs
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

remove | grep python if you want all processes

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.
replace %0.3f with %0.2f if you want only 2 decimals for MBs
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

added 61 characters in body

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edited Feb 25, 2023 at 8:20

stason

The want is to display top like output but having RSS in MBs and I'm adding also a desire to filter out only the program I want.The want is to display top like output but having RSS in MBs and I'm adding also a desire to filter out only the program I want.

a. withoutWithout headers (if you memorizedps's headers)

One time:

ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10'2**10; $_=qq[@F]' | column -t
Using watch to emulate like top, refreshing every 0.5 sec

watch -n 0.5 $'ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\'2**10; $_=qq[@F]\' | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10"2**10; \$_=qq[@F]" | column -t | grep python\''

b. withWith headers (for the rest of us):

One time:

(ps auxc | head -1; ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10'2**10; $_=qq[@F]') | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 $'(ps auxc | head -1; ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\'2**10; $_=qq[@F]\') | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'(ps auxc | head -1; ps auxc | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10"2**10; \$_=qq[@F]") | column -t\''

The want is to display top like output but having RSS in MBs and I'm adding also a desire to filter out only the program I want.

a. without headers

One time:

ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10' | column -t
Using watch to emulate like top, refreshing every 0.5 sec

watch -n 0.5 $'ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\' | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10" | column -t | grep python\''

b. with headers

One time:

(ps auxc | head -1; ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10') | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 $'(ps auxc | head -1; ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\') | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'(ps auxc | head -1; ps auxc | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10") | column -t\''

The want is to display top like output but having RSS in MBs and I'm adding also a desire to filter out only the program I want.

a. Without headers (if you memorizedps's headers)

One time:

ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10; $_=qq[@F]' | column -t
Using watch to emulate top, refreshing every 0.5 sec

watch -n 0.5 $'ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10; $_=qq[@F]\' | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10; \$_=qq[@F]" | column -t | grep python\''

b. With headers (for the rest of us):

One time:

(ps auxc | head -1; ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10; $_=qq[@F]') | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 $'(ps auxc | head -1; ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10; $_=qq[@F]\') | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'(ps auxc | head -1; ps auxc | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10; \$_=qq[@F]") | column -t\''

added 87 characters in body

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edited Feb 25, 2023 at 8:04

stason

One time:

ps auxc | grep python | perl -laeplae '$F[4]=sprintf'$F[5]=sprintf q[%0.3fMB], $F[4]$F[5]/2**10; print qq[@F]'2**10' | column -t | grep python
Using watch to emulate like top, refreshing every 0.5 sec

watch -n 0.5 'ps$'ps auxc | grep python | perl -laeplae "\$F[4]=sprintf\'$F[5]=sprintf q[%0.3fMB], \$F[4]$F[5]/2**10;2**10\' print| qq[@F]"column -t'

Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10" | column -t | grep python'python\''

One time:

(ps auxc | perlhead -ae1; 'pushps @x,qq[@F]auxc if| !@x;grep $F[5]=sprintfpython | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10; push @x,qq[@F] if $F[10]=~/python/; END {$,=qq[\n]; print @x}'2**10') | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 'ps$'(ps auxc | perlhead -ae "push @x,qq[@F]1; ifps !@x;;auxc \$F[5]=sprintf| q[%0.3fMB],\$F[5]/2**10;grep pushpython @x,qq[@F]| ifperl \$F[10]=~/python/;-plae END\'$F[5]=sprintf {\$q[%0.3fMB],=qq[\n]; print @x}"$F[5]/2**10\') | column -t'
makeMake an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps\'(ps auxc | perlhead -ae1; "pushps @x,qq[@F]auxc if| !@x;grep \$F[5]=sprintfpython | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10; push @x,qq[@F] if \$F[10]=~/python/; END {\$,=qq[\n]; print @x}"2**10") | column -t\''

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.

replace %0.3f with %0.2f if you want only 2 decimals for MBs
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

One time:

ps auxc | perl -lae '$F[4]=sprintf q[%0.3fMB], $F[4]/2**10; print qq[@F]' | column -t | grep python
Using watch to emulate like top, refreshing every 0.5 sec

watch -n 0.5 'ps auxc | perl -lae "\$F[4]=sprintf q[%0.3fMB], \$F[4]/2**10; print qq[@F]" | column -t | grep python'

One time:

ps auxc | perl -ae 'push @x,qq[@F] if !@x; $F[5]=sprintf q[%0.3fMB],$F[5]/2**10; push @x,qq[@F] if $F[10]=~/python/; END {$,=qq[\n]; print @x}' | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 'ps auxc | perl -ae "push @x,qq[@F] if !@x;; \$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10; push @x,qq[@F] if \$F[10]=~/python/; END {\$,=qq[\n]; print @x}" | column -t'
make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | perl -ae "push @x,qq[@F] if !@x; \$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10; push @x,qq[@F] if \$F[10]=~/python/; END {\$,=qq[\n]; print @x}" | column -t\''

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

One time:

ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10' | column -t
Using watch to emulate like top, refreshing every 0.5 sec

watch -n 0.5 $'ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\' | column -t'

Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'ps auxc | | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10" | column -t | grep python\''

One time:

(ps auxc | head -1; ps auxc | grep python | perl -plae '$F[5]=sprintf q[%0.3fMB],$F[5]/2**10') | column -t
Using watch to emulate top, refreshing every 0.5 sec:

watch -n 0.5 $'(ps auxc | head -1; ps auxc | grep python | perl -plae \'$F[5]=sprintf q[%0.3fMB],$F[5]/2**10\') | column -t'
Make an alias (bash 4.4 or higher)

alias watch-python=$'watch -n 0.5 \'(ps auxc | head -1; ps auxc | grep python | perl -plae "\$F[5]=sprintf q[%0.3fMB],\$F[5]/2**10") | column -t\''

replace 2**10 with 2**20 and MB with GB if you want GBs instead of MBs
replace python with another string that your program starts with. You can inspect the output of ps auxc to see what's the 10th (0-indexed) column says in case you get no output. a python program could be running with the name of the python script and not python itself for example, so make sure to use the name of the script instead.

replace %0.3f with %0.2f if you want only 2 decimals for MBs
replace watch -n 0.5 with watch -n 3 if you want to refresh every 3 seconds
these were tested with bash 5.1.16 - should work with most recent bash versions
if you tweak the ps flags in these examples the count of columns may change and the scripts may break.

deleted 156 characters in body

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edited Feb 25, 2023 at 7:35

stason

Source Link

answered Feb 25, 2023 at 7:20

stason