-
-
Save marius92mc/54ccf2528b511540fcb553d19336f0be to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#! /usr/bin/env python | |
import fileinput | |
import argparse | |
from operator import itemgetter | |
parser = argparse.ArgumentParser() | |
parser.add_argument('--target-mb', action = 'store', dest = 'target_mb', default = 61000, type = int) | |
parser.add_argument('vmtouch_output_file', action = 'store', nargs = '+') | |
args = parser.parse_args() | |
entries = [] | |
last_fl_name = None | |
for line in open(args.vmtouch_output_file[0]): | |
line = line.strip() | |
if line.startswith('['): | |
# this is a mem info row | |
if not last_fl_name: | |
continue | |
currently_paged_percent = line.rsplit(' ', 1)[-1] | |
num, denom = map(float, currently_paged_percent.split('/')) | |
if num and denom: | |
bytes = denom * 4096 | |
mb = bytes / (1024 * 1024) | |
entries.append((last_fl_name, num / denom, mb)) | |
elif line.startswith('.') or line.startswith('/'): | |
last_fl_name = line | |
sorted_entries = sorted(entries, key = itemgetter(1), reverse = True) | |
loaded_mb = 0 | |
to_page_in = [] | |
for entry in sorted_entries: | |
if loaded_mb <= args.target_mb: | |
loaded_mb += entry[-1] | |
to_page_in.append(entry[0]) | |
print 'vmtouch -m 5G -vt', ' '.join(to_page_in) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Mentioned here, at Data Storage section.