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1 | #!/bin/bash |
2 | # | |
3 | # Kernel-version-dependent shell functions for the rest of the scripts. | |
4 | # | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 2 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
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16 | # along with this program; if not, you can access it online at |
17 | # http://www.gnu.org/licenses/gpl-2.0.html. | |
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18 | # |
19 | # Copyright (C) IBM Corporation, 2013 | |
20 | # | |
21 | # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | |
22 | ||
23 | # rcutorture_param_n_barrier_cbs bootparam-string | |
24 | # | |
25 | # Adds n_barrier_cbs rcutorture module parameter to kernels having it. | |
26 | rcutorture_param_n_barrier_cbs () { | |
27 | if echo $1 | grep -q "rcutorture\.n_barrier_cbs" | |
28 | then | |
a5afdeb1 | 29 | : |
4275be83 | 30 | else |
a5afdeb1 | 31 | echo rcutorture.n_barrier_cbs=4 |
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32 | fi |
33 | } | |
34 | ||
35 | # rcutorture_param_onoff bootparam-string config-file | |
36 | # | |
37 | # Adds onoff rcutorture module parameters to kernels having it. | |
38 | rcutorture_param_onoff () { | |
39 | if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2" | |
40 | then | |
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41 | echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2 |
42 | echo rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30 | |
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43 | fi |
44 | } | |
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45 | |
46 | # per_version_boot_params bootparam-string config-file seconds | |
47 | # | |
48 | # Adds per-version torture-module parameters to kernels supporting them. | |
49 | per_version_boot_params () { | |
50 | echo $1 `rcutorture_param_onoff "$1" "$2"` \ | |
51 | `rcutorture_param_n_barrier_cbs "$1"` \ | |
52 | rcutorture.stat_interval=15 \ | |
53 | rcutorture.shutdown_secs=$3 \ | |
54 | rcutorture.rcutorture_runnable=1 \ | |
55 | rcutorture.test_no_idle_hz=1 \ | |
56 | rcutorture.verbose=1 | |
57 | } |