Dialog Mode of the Operating System Collector SAPOSCOL
Dialog Mode of the Operating System Collector SAPOSCOL Use SAPOSCOL has a dialog interface, Collector>, that you can start from the operating system input prompt with the command saposcol -d. You can enter various dialog commands here. Use the command help to obtain a list of the possible commands.
Displaying the Data in Shared Memory Collected by SAPOSCOL
You can use the dialog mode to call up the data that SAPOSCOL wrote to the shared memory. The most important command is dump, which is used to display various data collected by SAPOSCOL and stored in the shared memory, depending on parameters and options.
dump <Parameter> <option>
The following parameters are possible:
|
Parameter |
Meaning |
|
cpu |
CPU |
|
memory |
Memory |
|
top |
Largest CPU user |
|
disk |
Hard disk |
|
Filesystem |
File system |
|
lan |
LAN |
|
proc |
Monitoring of selected processes |
The following options are possible:
|
Option |
Meaning |
|
single |
Current value of a single selected parameter |
|
all |
Current value of all parameters available in shared memory |
|
sum |
Hourly averages for the last 24 hours of all parameters available in shared memory |
Note that not all of the parameters can be combined with all of the options.
There are also the following uses of the dump command:
|
Command |
Meaning |
|---|---|
|
dump config defined |
Configured operating system parameters |
|
dump config used |
Currently used operating system parameters |
|
dump hour |
dump hour Displays a list of the last 24 hours; each of the 24 entries has the format hour: <0-23> of day <Number>, where <Number> specifies whether SAPOSCOL has consistent data for that hour: 0: No data available 1: Current hour 2: Inconsistent data <date (YYYYMMDD)>: Data available |
To display the memory-related operating system data in the shared memory, enter the following command at the Collector> command line:
dump memory all
The following information is displayed:
Collector> dump memory all
Pages paged in / sec 1
Pages paged out / sec 0
KB paged in / sec 4
KB paged out / sec 0
freemem [KB] 13312
physmem [KB] 65536
swap configured [KB] 76348
swap total size [KB] 76348
swap free inside [KB] 72556
Controlling SAPOSCOL in Dialog Mode
You can control SAPOSCOL in dialog mode using the following commands at the Collector> input prompt:
|
Command |
Meaning |
|---|---|
|
detailson |
Sets the details flag |
|
detailsoff |
Cancels the details flag |
|
interval <n> |
Changes the collection interval to <n> seconds (Default = 10) |
|
leave |
Deletes the shared memory |
|
kill |
Stops the background process |
|
launch |
Starts a new collector |
|
force |
Forces a new collector to start (only in emergencies) |
|
status stat |
Displays the status of the SAPOSCOL process that is collecting data in the background |
The changed values are written to shared memory. SAPOSCOL reads these values directly before collecting data. The changes then take effect.
If you change the collection interval, the collector switches to the new interval only after the expiration of the old interval.
Ending Dialog Mode
To leave the dialog mode of SAPOSCOL, use the command quit or the command exit.