Managing processes' priority on Solaris 11

Oracle Solaris 11 allows us to change the priority of processes using the priocntl command either during the start of the process or after the process is run.

Getting ready

This recipe requires a virtual machine (VirtualBox or VMware) running Oracle Solaris 11 with 2 GB RAM at least. It is recommended that the system have more than one processor or core.

How to do it…

In the Introduction section, we talked about scheduling classes and this time, we will see more information on this subject. To begin, list the existing and active classes by executing the following command:

root@solaris11-1:~# priocntl -l
CONFIGURED CLASSES
==================
SYS (System Class)

TS (Time Sharing)
  Configured TS User Priority Range: -60 through 60

SDC (System Duty-Cycle Class)

FSS (Fair Share)
  Configured FSS User Priority Range: -60 through 60

FX (Fixed priority)
  Configured FX User Priority Range: 0 through 60

IA (Interactive)
  Configured IA User Priority Range...