Sar command to find out total percentage of memory utilisation for a day.

Hi,
I am in a process of taking last 10 days average percentage of memory, CPU and Disk utilisation in solaris8.
Can any one help me regarding in this.
I found sar command and I got the details of CPU by using #sar -u -f sa23 command.
For memory If I try sar command with �r option , it gives only free memory details only.
#sar -r -f sa23
00:00:01 freemem freeswap
01:00:00 173009 14301230
Average 172860 14302592
Is there any way to find out total percentage of memory used?
And also
Total percentage of disk utilisation also in solaris8?

vvsha wrote:
# sar -r -f sa25
00:00:00 freemem freeswap
01:00:00 172847 14303687
02:00:00 172816 14301232
22:00:00 172680 14304828
23:00:01 172676 14304467
Average   172674 14302768
Average value of freemem is 172674.The average amount of free memory over the course of a day doesn't seem to be that useful. I'd want to look for the low points (see if we're close to running out during some periods).
Is this value in Megabytes?
# man sar
     -r    Report unused memory pages and disk blocks:
           freemem
                 average pages available to user processes.So it's in pages. You can use 'pagesize' to verify your page size. On modern SPARC systems, it will be 8KB.
from this value can we calculate total memory utilized for this day? like totalmem - freemem = usedmem Depending on what you mean by utilized, yes. Memory can be used for a disk cache, but that use is not shown by decreasing freemem. Uses that are counted are kernel reservations, runtime pages for applications, and direct memory allocations (malloc, etc.)
Darren

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