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    SubjectRe: CFS Bandwidth Control - Test results of cgroups tasks pinned vs unpinnede
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    On Thu, 2011-09-15 at 23:25 +0530, Kamalesh Babulal wrote:

    > lb.sh
    > ------
    > #!/bin/bash
    >
    > rm -rf test*
    > rm -rf t*

    You're insane, right?

    > ITERATIONS=60 # No of Iterations to capture the details
    > NUM_CPUS=$(cat /proc/cpuinfo |grep -i proces|wc -l)
    >
    > NUM_HOGS=$((NUM_CPUS * 2)) # No of hogs threads to invoke
    >
    > echo "System has $NUM_CPUS cpus..... Spawing $NUM_HOGS cpu hogs ... for $ITERATIONS seconds.."
    > if [ ! -e while1.c ]
    > then
    > cat >> while1.c << EOF
    > int
    > main (int argc, char **argv)
    > {
    > while(1);
    > return (0);
    > }
    > EOF
    > fi
    >
    > for i in $(seq 1 $NUM_HOGS)
    > do
    > gcc -o while$i while1.c
    > if [ $? -ne 0 ]
    > then
    > echo "Looks like gcc is not present ... aborting"
    > exit
    > fi
    > done
    >
    > for i in $(seq 1 $NUM_HOGS)
    > do
    > ./while$i &

    You can kill the above two blocks by doing:

    while :; do :; done &

    > pids[$i]=$!
    > pids_old[$i]=`cat /proc/$!/sched |grep -i nr_migr|grep -iv cold|cut -d ":" -f2|sed 's/ //g'`
    > done


    and a fixup of the pkill muck.


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