openpilot/common/profiler.py

46 lines
1.4 KiB
Python

import time
class Profiler():
def __init__(self, enabled=False):
self.enabled = enabled
self.cp = {}
self.cp_ignored = []
self.iter = 0
self.start_time = time.time()
self.last_time = self.start_time
self.tot = 0.
def reset(self, enabled=False):
self.enabled = enabled
self.cp = {}
self.cp_ignored = []
self.iter = 0
self.start_time = time.time()
self.last_time = self.start_time
def checkpoint(self, name, ignore=False):
# ignore flag needed when benchmarking threads with ratekeeper
if not self.enabled:
return
tt = time.time()
if name not in self.cp:
self.cp[name] = 0.
if ignore:
self.cp_ignored.append(name)
self.cp[name] += tt - self.last_time
if not ignore:
self.tot += tt - self.last_time
self.last_time = tt
def display(self):
if not self.enabled:
return
self.iter += 1
print("******* Profiling %d *******" % self.iter)
for n, ms in sorted(self.cp.items(), key=lambda x: -x[1]):
if n in self.cp_ignored:
print("%30s: %9.2f avg: %7.2f percent: %3.0f IGNORED" % (n, ms*1000.0, ms*1000.0/self.iter, ms/self.tot*100))
else:
print("%30s: %9.2f avg: %7.2f percent: %3.0f" % (n, ms*1000.0, ms*1000.0/self.iter, ms/self.tot*100))
print("Iter clock: %2.6f TOTAL: %2.2f" % (self.tot/self.iter, self.tot))