aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/testing/selftests/damon/sysfs_update_schemes_tried_regions_hang.py
blob: 28c887a0108fde91c252c8b1a92fb27e3a0db337 (plain) (blame)
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
#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0

import subprocess
import time

import _damon_sysfs

def main():
    proc = subprocess.Popen(['sleep', '2'])
    kdamonds = _damon_sysfs.Kdamonds([_damon_sysfs.Kdamond(
            contexts=[_damon_sysfs.DamonCtx(
                ops='vaddr',
                targets=[_damon_sysfs.DamonTarget(pid=proc.pid)],
                schemes=[_damon_sysfs.Damos(
                    access_pattern=_damon_sysfs.DamosAccessPattern(
                        nr_accesses=[200, 200]))] # schemes
                )] # contexts
            )]) # kdamonds

    err = kdamonds.start()
    if err != None:
        print('kdamond start failed: %s' % err)
        exit(1)

    while proc.poll() == None:
        err = kdamonds.kdamonds[0].update_schemes_tried_bytes()
        if err != None:
            print('tried bytes update failed: %s' % err)
            exit(1)

if __name__ == '__main__':
    main()