diff options
Diffstat (limited to 'common')
| -rwxr-xr-x | common/scripts/is-cpu-isolated.sh | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/common/scripts/is-cpu-isolated.sh b/common/scripts/is-cpu-isolated.sh index f12259d..ecbab7e 100755 --- a/common/scripts/is-cpu-isolated.sh +++ b/common/scripts/is-cpu-isolated.sh @@ -115,15 +115,19 @@ isolate_cpu() { [ -d /dev/cpuset/gp ] || mkdir /dev/cpuset/gp [ -d /dev/cpuset/rt ] || mkdir /dev/cpuset/rt + # check if platform needs a prefix for cpuset + [ -f /dev/cpuset/gp/cpus ] && CPUSET_PREFIX="" + [ -f /dev/cpuset/gp/cpuset.cpus ] && CPUSET_PREFIX="cpuset." + # Give same mems to both - echo 0 > /dev/cpuset/gp/mems - echo 0 > /dev/cpuset/rt/mems + echo 0 > /dev/cpuset/gp/$CPUSET_PREFIX"mems" + echo 0 > /dev/cpuset/rt/$CPUSET_PREFIX"mems" # Setup the GP domain: CPU0 - echo $NON_ISOL_CPUS > /dev/cpuset/gp/cpus + echo $NON_ISOL_CPUS > /dev/cpuset/gp/$CPUSET_PREFIX"cpus" # Setup the NOHZ domain: CPU1 - echo $ISOL_CPU > /dev/cpuset/rt/cpus + echo $ISOL_CPU > /dev/cpuset/rt/$CPUSET_PREFIX"cpus" # Try to move all processes in top set to the GP set. for pid in `cat /dev/cpuset/tasks`; do @@ -141,13 +145,13 @@ isolate_cpu() { echo 0 > /dev/cpuset/sched_load_balance # Enable load balancing withing the GP domain - echo 1 > /dev/cpuset/gp/sched_load_balance + echo 1 > /dev/cpuset/gp/$CPUSET_PREFIX"sched_load_balance" # But disallow load balancing within the NOHZ domain - echo 0 > /dev/cpuset/rt/sched_load_balance + echo 0 > /dev/cpuset/rt/$CPUSET_PREFIX"sched_load_balance" # Quiesce CPU: i.e. migrate timers/hrtimers away - echo 1 > /dev/cpuset/rt/quiesce + echo 1 > /dev/cpuset/rt/$CPUSET_PREFIX"quiesce" stress -q --cpu $ISOL_CPU --timeout $STRESS_DURATION & @@ -156,7 +160,7 @@ isolate_cpu() { echo 1 > /sys/devices/system/cpu/cpu$ISOL_CPU/online # Setup the NOHZ domain again: CPU1 - echo $ISOL_CPU > /dev/cpuset/rt/cpus + echo $ISOL_CPU > /dev/cpuset/rt/$CPUSET_PREFIX"cpus" # Try to move all processes in top set to the GP set. for pid in `ps h -C stress -o pid`; do |