For more information, see Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.4.
# priocntl -s -c class -i ID type ID list
Lets you set the upper limit on the user priority range and change the current priority.
Specifies the class, TS for time-sharing or RT for real-time, to which you are changing the process.
Uses a combination of ID type and ID list to identify the process or processes. ID type specifies the type of ID, such as the process ID or user ID. ID list identifies a list of process IDs or user IDs.
# ps -ecl | grep ID list
The following example shows how to change all the processes that belong to user 15249 to real-time processes.
# priocntl -s -c RT -i uid 15249 # ps -ecl | grep 15249