rv_wwnr_printk.tc

 1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0-or-later
 3# description: Test wwnr monitor with printk reactor
 4# requires: available_reactors wwnr:monitor printk:reactor stress-ng:program
 5
 6load() { # returns true if there was a reaction
 7	local lines_before num
 8	num=$((($(nproc) + 1) / 2))
 9	lines_before=$(dmesg | wc -l)
10	stress-ng --cpu-sched "$num" --timer "$num" -t 5 -q
11	dmesg | tail -n $((lines_before + 1)) | grep -q "rv: monitor wwnr does not allow event"
12}
13
14echo 1 > monitors/wwnr/enable
15echo printk > monitors/wwnr/reactors
16
17load
18
19echo 0 > monitoring_on
20! load
21echo 1 > monitoring_on
22
23load
24
25echo 0 > reacting_on
26! load
27echo 1 > reacting_on
28
29echo nop > monitors/wwnr/reactors
30echo 0 > monitors/wwnr/enable