Linux Thread Priority

$ chrt -m
SCHED_OTHER min/max priority : 0/0
SCHED_FIFO min/max priority : 1/99
SCHED_RR min/max priority : 1/99
SCHED_BATCH min/max priority : 0/0
SCHED_IDLE min/max priority : 0/0
SCHED_DEADLINE min/max priority : 0/0

Linux priority value range (from Redhat)

top -H command will show you per thread information

A simple bash function to print the top statistics of yourapp($1) and threadname($2).

// usage topapp yourappname threadname
function topapp(){
    while [ 1 ]
    do
        sleep 0.1;
        local PID=`pidof $1`
        if [ $PID > 0 ]; then
                top -d 0.1 -H -p `pidof $1` | grep $2;
        fi
    done
}