def print_object(self, tobj):
"""
Print the gathered information of object `tobj` in human-readable
format.
"""
if tobj.death:
self.stream.write('%-32s ( free ) %-35s\n' % (
trunc(tobj.name, 32, left=1), trunc(tobj.repr, 35)))
else:
self.stream.write('%-32s 0x%08x %-35s\n' % (
trunc(tobj.name, 32, left=1),
tobj.id,
trunc(tobj.repr, 35)
))
if tobj.trace:
self.stream.write(_format_trace(tobj.trace))
for (timestamp, size) in tobj.snapshots:
self.stream.write(' %-30s %s\n' % (
pp_timestamp(timestamp), pp(size.size)
))
self._print_refs(size.refs, size.size)
if tobj.death is not None:
self.stream.write(' %-30s finalize\n' % (
pp_timestamp(tobj.death),
))
def print_class_details(self, fname, classname):
"""
Print detailed statistics and instances for the class `classname`. All
data will be written to the file `fname`.
"""
fobj = open(fname, "w")
fobj.write(self.header % (classname, self.style))
fobj.write("<h1>%s</h1>\n" % (classname))
sizes = [tobj.get_max_size() for tobj in self.index[classname]]
total = 0
for s in sizes:
total += s
data = {'cnt': len(self.index[classname]), 'cls': classname}
data['avg'] = pp(total / len(sizes))
data['max'] = pp(max(sizes))
data['min'] = pp(min(sizes))
fobj.write(self.class_summary % data)
fobj.write(self.charts[classname])
fobj.write("<h2>Coalesced Referents per Snapshot</h2>\n")
for snapshot in self.snapshots:
if classname in snapshot.classes:
merged = snapshot.classes[classname]['merged']
fobj.write(self.class_snapshot % {
'name': snapshot.desc, 'cls':classname, 'total': pp(merged.size)
})
if merged.refs:
self._print_refs(fobj, merged.refs, merged.size)
else:
fobj.write('<p>No per-referent sizes recorded.</p>\n')
fobj.write("<h2>Instances</h2>\n")
for tobj in self.index[classname]:
fobj.write('<table id="tl" width="100%" rules="rows">\n')
fobj.write('<tr><td id="hl" width="140px">Instance</td><td id="hl">%s at 0x%08x</td></tr>\n' % (tobj.name, tobj.id))
if tobj.repr:
fobj.write("<tr><td>Representation</td><td>%s </td></tr>\n" % tobj.repr)
fobj.write("<tr><td>Lifetime</td><td>%s - %s</td></tr>\n" % (pp_timestamp(tobj.birth), pp_timestamp(tobj.death)))
if tobj.trace:
trace = "<pre>%s</pre>" % (_format_trace(tobj.trace))
fobj.write("<tr><td>Instantiation</td><td>%s</td></tr>\n" % trace)
for (timestamp, size) in tobj.snapshots:
fobj.write("<tr><td>%s</td>" % pp_timestamp(timestamp))
if not size.refs:
fobj.write("<td>%s</td></tr>\n" % pp(size.size))
else:
fobj.write("<td>%s" % pp(size.size))
self._print_refs(fobj, size.refs, size.size)
fobj.write("</td></tr>\n")
fobj.write("</table>\n")
fobj.write(self.footer)
fobj.close()
def print_object(self, tobj: 'TrackedObject') -> None:
"""
Print the gathered information of object `tobj` in human-readable
format.
"""
if tobj.death:
self.stream.write(
'%-32s ( free ) %-35s\n' %
(trunc(tobj.name, 32, left=True), trunc(tobj.repr, 35)))
else:
self.stream.write('%-32s 0x%08x %-35s\n' % (trunc(
tobj.name, 32, left=True), tobj.id, trunc(tobj.repr, 35)))
if tobj.trace:
self.stream.write(_format_trace(tobj.trace))
for (timestamp, size) in tobj.snapshots:
self.stream.write(' %-30s %s\n' %
(pp_timestamp(timestamp), pp(size.size)))
self._print_refs(size.refs, size.size)
if tobj.death is not None:
self.stream.write(' %-30s finalize\n' %
(pp_timestamp(tobj.death), ))
def create_title_page(self, filename: str, title: str = '') -> None:
"""
Output the title page.
"""
fobj = open(filename, "w")
fobj.write(self.header % (title, self.style))
fobj.write("<h1>%s</h1>\n" % title)
fobj.write("<h2>Memory distribution over time</h2>\n")
fobj.write(self.charts['snapshots'])
fobj.write("<h2>Snapshots statistics</h2>\n")
fobj.write('<table id="nb">\n')
classlist = list(self.index.keys())
classlist.sort()
for snapshot in self.snapshots:
fobj.write('<tr><td>\n')
fobj.write('<table id="tl" rules="rows">\n')
fobj.write("<h3>%s snapshot at %s</h3>\n" %
(snapshot.desc
or 'Untitled', pp_timestamp(snapshot.timestamp)))
data = {}
data['sys'] = pp(snapshot.system_total.vsz)
data['tracked'] = pp(snapshot.tracked_total)
data['asizeof'] = pp(snapshot.asizeof_total)
data['overhead'] = pp(getattr(snapshot, 'overhead', 0))
fobj.write(self.snapshot_summary % data)
if snapshot.tracked_total:
fobj.write(self.snapshot_cls_header)
for classname in classlist:
if snapshot.classes:
info = snapshot.classes[classname].copy()
path = self.relative_path(self.links[classname])
info['cls'] = '<a href="%s">%s</a>' % (path, classname)
info['sum'] = pp(info['sum'])
info['avg'] = pp(info['avg'])
fobj.write(self.snapshot_cls % info)
fobj.write('</table>')
fobj.write('</td><td>\n')
if snapshot.tracked_total:
fobj.write(self.charts[snapshot])
fobj.write('</td></tr>\n')
fobj.write("</table>\n")
fobj.write(self.footer)
fobj.close()
def create_title_page(self, filename, title=''):
"""
Output the title page.
"""
fobj = open(filename, "w")
fobj.write(self.header % (title, self.style))
fobj.write("<h1>%s</h1>\n" % title)
fobj.write("<h2>Memory distribution over time</h2>\n")
fobj.write(self.charts['snapshots'])
fobj.write("<h2>Snapshots statistics</h2>\n")
fobj.write('<table id="nb">\n')
classlist = list(self.index.keys())
classlist.sort()
for snapshot in self.snapshots:
fobj.write('<tr><td>\n')
fobj.write('<table id="tl" rules="rows">\n')
fobj.write("<h3>%s snapshot at %s</h3>\n" % (
snapshot.desc or 'Untitled',
pp_timestamp(snapshot.timestamp)
))
data = {}
data['sys'] = pp(snapshot.system_total.vsz)
data['tracked'] = pp(snapshot.tracked_total)
data['asizeof'] = pp(snapshot.asizeof_total)
data['overhead'] = pp(getattr(snapshot, 'overhead', 0))
fobj.write(self.snapshot_summary % data)
if snapshot.tracked_total:
fobj.write(self.snapshot_cls_header)
for classname in classlist:
data = snapshot.classes[classname].copy()
path = self.relative_path(self.links[classname])
data['cls'] = '<a href="%s">%s</a>' % (path, classname)
data['sum'] = pp(data['sum'])
data['avg'] = pp(data['avg'])
fobj.write(self.snapshot_cls % data)
fobj.write('</table>')
fobj.write('</td><td>\n')
if snapshot.tracked_total:
fobj.write(self.charts[snapshot])
fobj.write('</td></tr>\n')
fobj.write("</table>\n")
fobj.write(self.footer)
fobj.close()
