# SPDX-License-Identifier: GPL-2.0
from __future__ import print_function
data = {}
times = []
threads = []
cpus = []
def get_key(time, event, cpu, thread):
return "%d-%s-%d-%d" % (time, event, cpu, thread)
def store_key(time, cpu, thread):
if (time not in times):
times.append(time)
if (cpu not in cpus):
cpus.append(cpu)
if (thread not in threads):
threads.append(thread)
def store(time, event, cpu, thread, val, ena, run):
#print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" %
# (event, cpu, thread, time, val, ena, run))
store_key(time, cpu, thread)
key = get_key(time, event, cpu, thread)
data[key] = [ val, ena, run]
def get(time, event, cpu, thread):
key = get_key(time, event, cpu, thread)
return data[key][0]
def stat__cycles_k(cpu, thread, time, val, ena, run):
store(time, "cycles", cpu, thread, val, ena, run);
def stat__instructions_k(cpu, thread, time, val, ena, run):
store(time, "instructions", cpu, thread, val, ena, run);
def stat__cycles_u(cpu, thread, time, val, ena, run):
store(time, "cycles", cpu, thread, val, ena, run);
def stat__instructions_u(cpu, thread, time, val, ena, run):
store(time, "instructions", cpu, thread, val, ena, run);
def stat__cycles(cpu, thread, time, val, ena, run):
store(time, "cycles", cpu, thread, val, ena, run);
def stat__instructions(cpu, thread, time, val, ena, run):
store(time, "instructions", cpu, thread, val, ena, run);
def stat__interval(time):
for cpu in cpus:
for thread in threads:
cyc = get(time, "cycles", cpu, thread)
ins = get(time, "instructions", cpu, thread)
cpi = 0
if ins != 0:
cpi = cyc/float(ins)
print("%15f: cpu %d, thread %d -> cpi %f (%d/%d)" % (time/(float(1000000000)), cpu, thread, cpi, cyc, ins))
def trace_end():
pass
# XXX trace_end callback could be used as an alternative place
# to compute same values as in the script above:
#
# for time in times:
# for cpu in cpus:
# for thread in threads:
# cyc = get(time, "cycles", cpu, thread)
# ins = get(time, "instructions", cpu, thread)
#
# if ins != 0:
# cpi = cyc/float(ins)
#
# print("time %.9f, cpu %d, thread %d -> cpi %f" % (time/(float(1000000000)), cpu, thread, cpi))
x-2.6.38.y'>linux-2.6.38.y
| Hosts the 0x221E linux distro kernel. | Ubuntu |