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
|
# SPDX-License-Identifier: GPL-2.0
def idle_time(region):
if region.nr_accesses.samples > 0:
return 0
return region.age.usec
def pr_percentile(percentile, idle_time_us):
print('%3s %.3f'
% (percentile, idle_time_us / 1000000))
def pr_idle_time_dist(regions, percentile_interval):
regions = sorted(regions, key=lambda r: idle_time(r))
total_sz = sum([r.size() for r in regions])
if percentile_interval is None:
percentiles_to_print = [0, 1, 25, 50, 75, 99]
else:
percentiles_to_print = list(range(0, 100, percentile_interval))
percentile = 0
for r in regions:
percentile += r.size() * 100 / total_sz
while len(percentiles_to_print) > 0:
if percentile < percentiles_to_print[0]:
break
pr_percentile(percentiles_to_print[0], idle_time(r))
percentiles_to_print = percentiles_to_print[1:]
pr_percentile(100, idle_time(regions[-1]))
def main(records, cmdline_fields):
if len(cmdline_fields) == 2:
percentile_interval = int(cmdline_fields[1])
else:
percentile_interval = None
for ridx, record in enumerate(records):
for sidx, snapshot in enumerate(record.snapshots):
print('# %d-th record, %d-th snapshot' % (ridx, sidx))
print('# <memory size percentile> <idle time (seconds)>')
for region in snapshot.regions:
region.age.add_unset_unit(record.intervals)
pr_idle_time_dist(snapshot.regions, percentile_interval)
|
