Task |
Description |
For Instructions |
Check file access. |
Display file access operation status by using the
sar command with the -a option. |
How to Check File Access (sar -a) |
Check buffer activity. |
Display buffer activity statistics by using
the sar command with the -b option. |
How to Check Buffer Activity (sar -b) |
Check system call statistics. |
Display system call statistics
by using the sar command with the -c option. |
How to Check System Call Statistics (sar -c) |
Check disk activity. |
Check disk activity
by using the sar command with the -d option. |
How to Check Disk Activity (sar -d) |
Check page-out and memory. |
Use the
sar command with the -g option to display page-out memory freeing activities. |
How to Check Page-Out and Memory (sar -g) |
Check kernel
memory allocation. |
The kernel memory allocation (KMA) allows a kernel subsystem to allocate and
free memory, as needed. Use the sar command with the -k option
to check KMA. |
How to Check Kernel Memory Allocation (sar -k) |
Check interprocess communication. |
Use the sar command with the -m option to
report interprocess communication activities. |
How to Check Interprocess Communication (sar -m) |
Check page-in activity. |
Use the sar command with the -p
option to report page-in activity. |
How to Check Page-In Activity (sar -p) |
Check queue activity. |
Use the sar command with the -q
option to check the following:
|
How to Check Queue Activity (sar -q) |
Check unused memory. |
Use the sar command with the -r
option to report the number of memory pages and swap file disk blocks
that are currently used. |
How to Check Unused Memory (sar -r) |
Check CPU utilization. |
Use the sar command with the -u option to
display CPU utilization statistics. |
How to Check CPU Utilization (sar -u) |
Check system table status. |
Use the sar command with the
-v option to report status on the following system tables:
Process
Inode
File
Shared memory record
|
How to Check System Table Status (sar -v) |
Check swapping activity. |
Use the
sar command with the -w option to check swapping activity. |
How to Check Swapping Activity (sar -w) |
Check terminal activity. |
Use the
sar command with the -y option to monitor terminal device activity. |
How to Check Terminal Activity (sar -y) |
Check overall system
performance. |
The sar -A command displays statistics from all options to provide overall system
performance information. |
How to Check Overall System Performance (sar -A) |
Set up automatic data collection. |
To set up your system to collect
data automatically and to run the sar commands, do the following:
|
How to Set Up Automatic Data Collection |