def process_trace(filename):
trace = gc_nvp_common.parse_gc_trace(filename)
if len(trace):
keys = trace[0].keys()
print(', '.join(keys))
for entry in trace:
print(', '.join(map(lambda key: str(entry[key]), keys)))
def process_trace(filename):
trace = gc_nvp_common.parse_gc_trace(filename)
if len(trace):
keys = trace[0].keys()
print(', '.join(keys))
for entry in trace:
print(', '.join(map(lambda key: str(entry[key]), keys)))
def process_trace(filename):
trace = gc_nvp_common.parse_gc_trace(filename)
marksweeps = filter(lambda r: r['gc'] == 'ms', trace)
scavenges = filter(lambda r: r['gc'] == 's', trace)
globalgcs = filter(lambda r: r['gc'] != 's', trace)
charts = plot_all(plots, trace, filename)
def stats(out, prefix, trace, field):
n = len(trace)
total = calc_total(trace, field)
max = calc_max(trace, field)
if n > 0:
avg = total / n
else:
avg = 0
if n > 1:
dev = math.sqrt(
freduce(lambda t, r: t +
(r - avg)**2, field, trace, 0) / (n - 1))
else:
dev = 0
out.write('<tr><td>%s</td><td>%d</td><td>%d</td>'
'<td>%d</td><td>%d [dev %f]</td></tr>' %
(prefix, n, total, max, avg, dev))
def HumanReadable(size):
suffixes = ['bytes', 'kB', 'MB', 'GB']
power = 1
for i in range(len(suffixes)):
if size < power * 1024:
return "%.1f" % (float(size) / power) + " " + suffixes[i]
power *= 1024
def throughput(name, trace):
total_live_after = calc_total(trace, 'total_size_after')
total_live_before = calc_total(trace, 'total_size_before')
total_gc = calc_total(trace, 'pause')
if total_gc == 0:
return
out.write('GC %s Throughput (after): %s / %s ms = %s/ms<br/>' %
(name, HumanReadable(total_live_after), total_gc,
HumanReadable(total_live_after / total_gc)))
out.write('GC %s Throughput (before): %s / %s ms = %s/ms<br/>' %
(name, HumanReadable(total_live_before), total_gc,
HumanReadable(total_live_before / total_gc)))
with open(filename + '.html', 'w') as out:
out.write('<html><body>')
out.write('<table>')
out.write('<tr><td>Phase</td><td>Count</td><td>Time (ms)</td>')
out.write('<td>Max</td><td>Avg</td></tr>')
stats(out, 'Total in GC', trace, 'pause')
stats(out, 'Scavenge', scavenges, 'pause')
stats(out, 'MarkSweep', marksweeps, 'pause')
stats(out, 'Mark', filter(lambda r: r['mark'] != 0, trace), 'mark')
stats(out, 'Sweep', filter(lambda r: r['sweep'] != 0, trace), 'sweep')
stats(out, 'External', filter(lambda r: r['external'] != 0, trace),
'external')
out.write('</table>')
throughput('TOTAL', trace)
throughput('MS', marksweeps)
throughput('OLDSPACE', globalgcs)
out.write('<br/>')
for chart in charts:
out.write('<img src="%s">' % chart)
out.write('</body></html>')
print("%s generated." % (filename + '.html'))
def process_trace(filename):
trace = gc_nvp_common.parse_gc_trace(filename)
marksweeps = filter(lambda r: r['gc'] == 'ms', trace)
scavenges = filter(lambda r: r['gc'] == 's', trace)
globalgcs = filter(lambda r: r['gc'] != 's', trace)
charts = plot_all(plots, trace, filename)
def stats(out, prefix, trace, field):
n = len(trace)
total = calc_total(trace, field)
max = calc_max(trace, field)
if n > 0:
avg = total / n
else:
avg = 0
if n > 1:
dev = math.sqrt(freduce(lambda t,r: t + (r - avg) ** 2, field, trace, 0) /
(n - 1))
else:
dev = 0
out.write('<tr><td>%s</td><td>%d</td><td>%d</td>'
'<td>%d</td><td>%d [dev %f]</td></tr>' %
(prefix, n, total, max, avg, dev))
def HumanReadable(size):
suffixes = ['bytes', 'kB', 'MB', 'GB']
power = 1
for i in range(len(suffixes)):
if size < power*1024:
return "%.1f" % (float(size) / power) + " " + suffixes[i]
power *= 1024
def throughput(name, trace):
total_live_after = calc_total(trace, 'total_size_after')
total_live_before = calc_total(trace, 'total_size_before')
total_gc = calc_total(trace, 'pause')
if total_gc == 0:
return
out.write('GC %s Throughput (after): %s / %s ms = %s/ms<br/>' %
(name,
HumanReadable(total_live_after),
total_gc,
HumanReadable(total_live_after / total_gc)))
out.write('GC %s Throughput (before): %s / %s ms = %s/ms<br/>' %
(name,
HumanReadable(total_live_before),
total_gc,
HumanReadable(total_live_before / total_gc)))
with open(filename + '.html', 'w') as out:
out.write('<html><body>')
out.write('<table>')
out.write('<tr><td>Phase</td><td>Count</td><td>Time (ms)</td>')
out.write('<td>Max</td><td>Avg</td></tr>')
stats(out, 'Total in GC', trace, 'pause')
stats(out, 'Scavenge', scavenges, 'pause')
stats(out, 'MarkSweep', marksweeps, 'pause')
stats(out, 'Mark', filter(lambda r: r['mark'] != 0, trace), 'mark')
stats(out, 'Sweep', filter(lambda r: r['sweep'] != 0, trace), 'sweep')
stats(out,
'External',
filter(lambda r: r['external'] != 0, trace),
'external')
out.write('</table>')
throughput('TOTAL', trace)
throughput('MS', marksweeps)
throughput('OLDSPACE', globalgcs)
out.write('<br/>')
for chart in charts:
out.write('<img src="%s">' % chart)
out.write('</body></html>')
print "%s generated." % (filename + '.html')