/usr/lib/python2.7/dist-packages/debug_toolbar/panels/timer.py is in python-django-debug-toolbar 1:1.0.1-0+nmu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | from __future__ import absolute_import, unicode_literals
try:
import resource # Not available on Win32 systems
except ImportError:
resource = None
import time
from django.template.loader import render_to_string
from django.utils.translation import ugettext_lazy as _
from debug_toolbar.panels import Panel
class TimerPanel(Panel):
"""
Panel that displays the time a response took in milliseconds.
"""
def nav_subtitle(self):
stats = self.get_stats()
if hasattr(self, '_start_rusage'):
utime = self._end_rusage.ru_utime - self._start_rusage.ru_utime
stime = self._end_rusage.ru_stime - self._start_rusage.ru_stime
return _("CPU: %(cum)0.2fms (%(total)0.2fms)") % {
'cum': (utime + stime) * 1000.0,
'total': stats['total_time']
}
elif 'total_time' in stats:
return _("Total: %0.2fms") % stats['total_time']
else:
return ''
has_content = resource is not None
title = _("Time")
template = 'debug_toolbar/panels/timer.html'
@property
def content(self):
stats = self.get_stats()
rows = (
(_("User CPU time"), _("%(utime)0.3f msec") % stats),
(_("System CPU time"), _("%(stime)0.3f msec") % stats),
(_("Total CPU time"), _("%(total)0.3f msec") % stats),
(_("Elapsed time"), _("%(total_time)0.3f msec") % stats),
(_("Context switches"), _("%(vcsw)d voluntary, %(ivcsw)d involuntary") % stats),
)
return render_to_string(self.template, {'rows': rows})
def process_request(self, request):
self._start_time = time.time()
if self.has_content:
self._start_rusage = resource.getrusage(resource.RUSAGE_SELF)
def process_response(self, request, response):
stats = {}
if hasattr(self, '_start_time'):
stats['total_time'] = (time.time() - self._start_time) * 1000
if hasattr(self, '_start_rusage'):
self._end_rusage = resource.getrusage(resource.RUSAGE_SELF)
stats['utime'] = 1000 * self._elapsed_ru('ru_utime')
stats['stime'] = 1000 * self._elapsed_ru('ru_stime')
stats['total'] = stats['utime'] + stats['stime']
stats['vcsw'] = self._elapsed_ru('ru_nvcsw')
stats['ivcsw'] = self._elapsed_ru('ru_nivcsw')
stats['minflt'] = self._elapsed_ru('ru_minflt')
stats['majflt'] = self._elapsed_ru('ru_majflt')
# these are documented as not meaningful under Linux. If you're running BSD
# feel free to enable them, and add any others that I hadn't gotten to before
# I noticed that I was getting nothing but zeroes and that the docs agreed. :-(
#
# stats['blkin'] = self._elapsed_ru('ru_inblock')
# stats['blkout'] = self._elapsed_ru('ru_oublock')
# stats['swap'] = self._elapsed_ru('ru_nswap')
# stats['rss'] = self._end_rusage.ru_maxrss
# stats['srss'] = self._end_rusage.ru_ixrss
# stats['urss'] = self._end_rusage.ru_idrss
# stats['usrss'] = self._end_rusage.ru_isrss
self.record_stats(stats)
def _elapsed_ru(self, name):
return getattr(self._end_rusage, name) - getattr(self._start_rusage, name)
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