/usr/share/pyshared/debug_toolbar/panels/timer.py is in python-django-debug-toolbar 1:0+git201107220111-96e46c6-1.
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 84 85 86 87 88 89 90 91 92 93 | try:
import resource
except ImportError:
pass # Will fail on Win32 systems
import time
from django.template.loader import render_to_string
from django.utils.translation import ugettext_lazy as _
from debug_toolbar.panels import DebugPanel
class TimerDebugPanel(DebugPanel):
"""
Panel that displays the time a response took in milliseconds.
"""
name = 'Timer'
try: # if resource module not available, don't show content panel
resource
except NameError:
has_content = False
has_resource = False
else:
has_content = True
has_resource = True
def process_request(self, request):
self._start_time = time.time()
if self.has_resource:
self._start_rusage = resource.getrusage(resource.RUSAGE_SELF)
def process_response(self, request, response):
self.total_time = (time.time() - self._start_time) * 1000
if self.has_resource:
self._end_rusage = resource.getrusage(resource.RUSAGE_SELF)
def nav_title(self):
return _('Time')
def nav_subtitle(self):
# TODO l10n
if self.has_resource:
utime = self._end_rusage.ru_utime - self._start_rusage.ru_utime
stime = self._end_rusage.ru_stime - self._start_rusage.ru_stime
return 'CPU: %0.2fms (%0.2fms)' % ((utime + stime) * 1000.0, self.total_time)
else:
return 'TOTAL: %0.2fms' % (self.total_time)
def title(self):
return _('Resource Usage')
def url(self):
return ''
def _elapsed_ru(self, name):
return getattr(self._end_rusage, name) - getattr(self._start_rusage, name)
def content(self):
utime = 1000 * self._elapsed_ru('ru_utime')
stime = 1000 * self._elapsed_ru('ru_stime')
vcsw = self._elapsed_ru('ru_nvcsw')
ivcsw = self._elapsed_ru('ru_nivcsw')
minflt = self._elapsed_ru('ru_minflt')
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. :-(
#
# blkin = self._elapsed_ru('ru_inblock')
# blkout = self._elapsed_ru('ru_oublock')
# swap = self._elapsed_ru('ru_nswap')
# rss = self._end_rusage.ru_maxrss
# srss = self._end_rusage.ru_ixrss
# urss = self._end_rusage.ru_idrss
# usrss = self._end_rusage.ru_isrss
# TODO l10n on values
rows = (
(_('User CPU time'), '%0.3f msec' % utime),
(_('System CPU time'), '%0.3f msec' % stime),
(_('Total CPU time'), '%0.3f msec' % (utime + stime)),
(_('Elapsed time'), '%0.3f msec' % self.total_time),
(_('Context switches'), '%d voluntary, %d involuntary' % (vcsw, ivcsw)),
# ('Memory use', '%d max RSS, %d shared, %d unshared' % (rss, srss, urss + usrss)),
# ('Page faults', '%d no i/o, %d requiring i/o' % (minflt, majflt)),
# ('Disk operations', '%d in, %d out, %d swapout' % (blkin, blkout, swap)),
)
context = self.context.copy()
context.update({
'rows': rows,
})
return render_to_string('debug_toolbar/panels/timer.html', context)
|