root@linaro-developer:~# bl-agitator -r -l 1000 -n
***bl-agitator***
CPU count: 4
CPU0: big freq 1000000 LITTLE freq 100000
CPU1: big freq 1000000 LITTLE freq 100000
CPU2: big freq 1000000 LITTLE freq 100000
CPU3: big freq 1000000 LITTLE freq 100000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
cpu3 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 53 period 212
failed to write scaling_setspeed, errno 22
cpu2 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 59 period 72
failed to write scaling_setspeed, errno 22
cpu1 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 49 period 44
failed to write scaling_setspeed, errno 22
cpu0 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 52 period 892
Time elapsed: 0:00:53.1000
root@linaro-developer:~#
Yes, it is still reproducible in the latest reference hwpack: https:/ /snapshots. linaro. org/precise/ restricted/ integrated- big.little- fastmodels/ latest/ hwpack_ linaro- vexpressdt- rtsm-reference_ 20120605- 77_armhf_ unsupported. tar.gz
root@linaro- developer: ~# bl-agitator -r -l 1000 -n developer: ~#
***bl-agitator***
CPU count: 4
CPU0: big freq 1000000 LITTLE freq 100000
CPU1: big freq 1000000 LITTLE freq 100000
CPU2: big freq 1000000 LITTLE freq 100000
CPU3: big freq 1000000 LITTLE freq 100000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
Random switcher seed 0 limit 1000
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
failed to write scaling_setspeed, errno 22
cpu3 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 53 period 212
failed to write scaling_setspeed, errno 22
cpu2 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 59 period 72
failed to write scaling_setspeed, errno 22
cpu1 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 49 period 44
failed to write scaling_setspeed, errno 22
cpu0 scaling_setspeed target 1000000 current 100000... FAIL
error on iteration 52 period 892
Time elapsed: 0:00:53.1000
root@linaro-