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| # 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))
|
|
