mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
e985bf761d
Support both Python2 and Python3 in the stat-cpi.py script There may be differences in the ordering of output lines due to differences in dictionary ordering etc. However the format within lines should be unchanged. The use of 'from __future__' implies the minimum supported Python2 version is now v2.6 Signed-off-by: Seeteena Thoufeek <s1seetee@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20190222230619.17887-13-tonyj@suse.de Signed-off-by: Tony Jones <tonyj@suse.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
# 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))
|