1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0+
3 #
4 # Kernel-version-dependent shell functions for the rest of the scripts.
5 #
6 # Copyright (C) IBM Corporation, 2013
7 #
8 # Authors: Paul E. McKenney <paulmck@linux.ibm.com>
9
10 # rcutorture_param_n_barrier_cbs bootparam-string
11 #
12 # Adds n_barrier_cbs rcutorture module parameter if not already specified.
13 rcutorture_param_n_barrier_cbs () {
14 if echo $1 | grep -q "rcutorture\.n_barrier_cbs"
15 then
16 :
17 else
18 echo rcutorture.n_barrier_cbs=4
19 fi
20 }
21
22 # rcutorture_param_onoff bootparam-string config-file
23 #
24 # Adds onoff rcutorture module parameters to kernels having it.
25 rcutorture_param_onoff () {
26 if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
27 then
28 echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2
29 echo rcutorture.onoff_interval=1000 rcutorture.onoff_holdoff=30
30 fi
31 }
32
33 # rcutorture_param_stat_interval bootparam-string
34 #
35 # Adds stat_interval rcutorture module parameter if not already specified.
36 rcutorture_param_stat_interval () {
37 if echo $1 | grep -q "rcutorture\.stat_interval"
38 then
39 :
40 else
41 echo rcutorture.stat_interval=15
42 fi
43 }
44
45 # per_version_boot_params bootparam-string config-file seconds
46 #
47 # Adds per-version torture-module parameters to kernels supporting them.
48 per_version_boot_params () {
49 echo `rcutorture_param_onoff "$1" "$2"` \
50 `rcutorture_param_n_barrier_cbs "$1"` \
51 `rcutorture_param_stat_interval "$1"` \
52 rcutorture.shutdown_secs=$3 \
53 rcutorture.test_no_idle_hz=1 \
54 rcutorture.verbose=1 \
55 $1
56 }
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.