Memory utilization of HP Unix server assign to a variable

[Nair1980]

Hi All

I want to know how I can get the value of physical memory utilization in HP UNIX.

Even though I know many ways to get it, I am not able to call any of those methods from a script.

I want to know how I can get memory utilization value assigned to a variable from a script ???

Thanks in advance
Nair

[AwadheshPandey]

MEM=`swapinfo|grep mem|awk '{print $3}'`
echo $MEM

[Yogeeraj_1]

hi Nair,

you can also try:

echo phys_mem_pages/D | adb -k /stand/vmunix /dev/mem | tail -1 | awk '{printf("%.2f MB\n",$2*.004096)}'

or

mymem=$(echo phys_mem_pages/D | adb -k /stand/vmunix /dev/mem | tail -1 | awk '{printf("%.2f \n",$2*.004096)}')


e.g.

# mymem=$(echo phys_mem_pages/D | adb -k /stand/vmunix /dev/mem | tail -1 | awk '{printf("%.2f \n",$2*.004096)}')
# echo $mymem
7516.19


hope this helps too!

kind regards
yogeeraj

[Hein van den Heuvel]

Nair, it would help to know which way you intend to get the memory to know the best solution. If it is a homegrown program then a call to 'putenv' is appropriate.

To put the output of any command in a shell variable just use the old backticks are Awadhesh suggests, but the $() method Yogeeraj uses is now preferred.
Other example:
$ FREE=$(vmstat | awk '/[0..9]/ { print $5 / 256 }')
$ print $FREE
11721.5

[The division by 256 converts 4096 byte pages to megabytes (1024*1024 bytes) ]



When interested in memory usage, be sure to check out:

ftp://hprc.external.hp.com/memory.htm#Monitoring_Memory_Usage

Specifically, it suggests that the 'mem' line Awadhesh picks up is actually psuedo memory and not ready for immediate consumption/interpretation.

Awadhesh....
>> MEM=`swapinfo|grep mem|awk '{print $3}'`
echo $MEM
Lots of nits to pick... Sorry...
) swapinfo is not int he path for ordinary users
) why feed into grep, when awk can compare
) some joker sa might have named a swap device with the string 'mem' in there. Really should anchor searched as a habit.
It makes them safer and faster.
) The data returned is of debatable use.

suggested alternative (if useful at all!)

MEM=$(/usr/sbin/swapinfo| awk '/^mem/{print $3}')

Cheers!
Hein.

[Geoff Wild]

MEM=`echo "selclass qualifier memory;info;wait;infolog" | cstm | grep 'Total Configured' |head -1|awk '{print $5}'`


Rgds...Geoff

[Hein van den Heuvel]

Hi (again) Geoff,

That's a big, SLOW, hammer you show!

But isn't that column $4, not $5 for the number?

btw... similar comments as I had for Awadhesh.

It's not going to make a difference here, but in general... why feed into different processes work which awk will happily do itself? Be explicit about some paths?


$ total=$( echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | awk '/Total Configured/{print $4; exit}' )
$ print $total
16384

Cheers,
Hein.

[Geoff Wild]

Interesting:

# total=$( echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | awk '/Total Configured/{print $4; exit}' )

# echo $total
:

# total=$( echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | awk '/Total Configured/{print $5; exit}' )

# echo $total
16384

The base output looks like:

# echo "selclass qualifier memory;info;wait;infolog" | cstm | grep 'Total Configured'
Total Configured Memory : 16384 MB
Total Configured Memory : 16384 MB



Rgds...Geoff

PS: The Hammers...The Hammers are the name of what English football team....What English football team?

[Geoff Wild]

For 11.23 and higher, this works:

hexval=$(echo "phys_mem_pages/A" | adb /stand/vmunix /dev/kmem|tail +2|awk '{print $2}')
REAL_MEM=$(echo ${hexval}=D|adb)
mb=$(expr ${REAL_MEM} / 256)
echo $mb

16128

Rgds...Geoff

[Hein van den Heuvel]

Geoff, Interesting indeed. On the box i tried, the is no space in between "Memory:".
Looks like there is on yours.

I guess one would have to print $(NF-1) to catch both.

$ uname -a
HP-UX td194 B.11.31 U ia64 3426292962 unlimited-user license
:
Version D.01.00
Product Number B4708AA
:
Basic Memory Description

Module Type: MEMORY
Page Size: 4096 Bytes
Total Physical Memory: N/A
Total Configured Memory: 16384 MB
Total Deconfigured Memory: N/A

Hein.

[Nair1980]

Thank you all for solutions

I was requiring Utilized memory,So I taken in this way

TOTAL=$( echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | awk '/Total Configured/{print $5; exit}' )
FREE=$(vmstat | awk '/[0..9]/ { print $5 / 256 }')
((UTIL=TOTAL-FREE))
echo $UTIL


Thanks
Damu

[Nair1980]

TOTAL=$( echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | awk '/Total Configured/{print $5; exit}' )
FREE=$(vmstat | awk '/[0..9]/ { print $5 / 256 }')
((UTIL=TOTAL-FREE))
echo $UTIL