def residency(residency_counters, residency_counter_msr, sleep_time=3):
bsp_apicid = bits.bsp_apicid()
sockets = dict(
(skt_index, min(apic_list))
for skt_index, apic_list in bits.socket_apic_ids().iteritems())
rc = {}
rc_start = {}
delta = {}
def read_rc(apic_id):
return residency_counters(*(bits.rdmsr(apic_id, msr)
for msr in residency_counter_msr))
tsc = bits.rdmsr(bsp_apicid, 0x10)
for apic_id in sockets.itervalues():
rc_start[apic_id] = read_rc(apic_id)
bits.blocking_sleep(sleep_time * 1000 * 1000)
tsc = float(bits.rdmsr(bsp_apicid, 0x10) - tsc)
for apic_id in sockets.itervalues():
rc[apic_id] = read_rc(apic_id)
for apic_id in sockets.itervalues():
delta[apic_id] = residency_counters(
*((end - start) / tsc
for end, start in zip(rc[apic_id], rc_start[apic_id])))
return delta
def residency(residency_counters, residency_counter_msr, sleep_time=3):
bsp_apicid = bits.bsp_apicid()
sockets = dict((skt_index, min(apic_list)) for skt_index, apic_list in bits.socket_apic_ids().iteritems())
rc = {}
rc_start = {}
delta = {}
def read_rc(apic_id):
return residency_counters(*(bits.rdmsr(apic_id, msr) for msr in residency_counter_msr))
tsc = bits.rdmsr(bsp_apicid, 0x10)
for apic_id in sockets.itervalues():
rc_start[apic_id] = read_rc(apic_id)
bits.blocking_sleep(sleep_time*1000*1000)
tsc = float(bits.rdmsr(bsp_apicid, 0x10) - tsc)
for apic_id in sockets.itervalues():
rc[apic_id] = read_rc(apic_id)
for apic_id in sockets.itervalues():
delta[apic_id] = residency_counters(*((end - start) / tsc for end, start in zip(rc[apic_id], rc_start[apic_id])))
return delta
def cmd_cpu_sleep(args):
bits.blocking_sleep(args.usec)
