Subrata Modak wrote:
Avi,
Are you using some test cases to test this CPU Hotplug issue ? If yes,
can you please share them with us.
I'm running the attached script to exercise hotplug. As load I run 7
kvm guests (each an FC6 x86_64), a few of which are running a bash spin
loop (while :; do :; done).
--
error compiling committee.c: too many arguments to function
#!/usr/bin/python
import commands, time, random
processors = int(commands.getoutput('getconf _NPROCESSORS_CONF'))
def fname(cpu):
return '/sys/devices/system/cpu/cpu%s/online' % (cpu,)
def get_state(cpu):
return int(file(fname(cpu)).read())
def set_state(cpu, state):
file(fname(cpu), 'w').write(str(state))
try:
while True:
cpu = random.randint(1, processors - 1)
state = 1 - get_state(cpu)
set_state(cpu, state)
time.sleep(1)
except KeyboardInterrupt:
for cpu in range(1, processors):
if not get_state(cpu):
set_state(cpu, 1)
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