Commit | Line | Data |
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045880fb | 1 | # Copyright (C) 2009 Benjamin Poirier |
36cf2b17 | 2 | # Copyright (C) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
045880fb BP |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 2 of the License, or | |
7 | # (at your option) any later version. | |
8 | ||
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | ||
14 | # You should have received a copy of the GNU General Public License along | |
15 | # with this program; if not, write to the Free Software Foundation, Inc., | |
16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
17 | ||
36cf2b17 | 18 | DEBUGFSROOT=$(awk '{if ($3 == "debugfs") print $2}' /proc/mounts | head -n 1) |
80bb2806 | 19 | MARKERSROOT=${DEBUGFSROOT}/ltt/markers |
efd72b5d | 20 | DEFAULTMODULES="ltt-trace-control ltt-marker-control ltt-tracer ltt-relay ltt-kprobes ltt-userspace-event ltt-statedump ipc-trace kernel-trace mm-trace net-trace fs-trace jbd2-trace syscall-trace trap-trace block-trace rcu-trace" |
80bb2806 | 21 | |
045880fb BP |
22 | usage () { |
23 | echo "Usage: $0 [OPTION]..." > /dev/stderr | |
24 | echo "Connect lttng markers" > /dev/stderr | |
25 | echo "" > /dev/stderr | |
26 | echo "Options:" > /dev/stderr | |
27 | printf "\t-l Also activate locking markers (high traffic)\n" > /dev/stderr | |
28 | printf "\t-n Also activate detailed network markers (large size)\n" > /dev/stderr | |
a4dc603f | 29 | printf "\t-i Also activate input subsystem events (security implication: records keyboard inputs)\n" > /dev/stderr |
045880fb BP |
30 | echo "" > /dev/stderr |
31 | printf "\t-q Quiet mode, suppress output\n" > /dev/stderr | |
32 | printf "\t-h Print this help\n" > /dev/stderr | |
33 | echo "" > /dev/stderr | |
34 | } | |
35 | ||
efd72b5d AM |
36 | if [ "$(id -u)" != "0" ]; then |
37 | echo "Error: This script needs to be run as root." > /dev/stderr | |
38 | exit 1; | |
39 | fi | |
40 | ||
fde9c319 | 41 | if [ ! "${DEBUGFSROOT}" ]; then |
045880fb BP |
42 | echo "Error: debugfs not mounted" > /dev/stderr |
43 | exit 1; | |
44 | fi | |
45 | ||
fde9c319 | 46 | if [ ! -d "${MARKERSROOT}" ]; then |
efd72b5d AM |
47 | #Try loading the kernel modules first |
48 | for i in ${DEFAULTMODULES}; do | |
49 | modprobe $i | |
50 | done | |
51 | if [ ! -d "${MARKERSROOT}" ]; then | |
52 | echo "Error: LTT trace controller not found (did you compile and load LTTng?)" > /dev/stderr | |
53 | exit 1; | |
54 | fi | |
045880fb BP |
55 | fi |
56 | ||
57 | while getopts "lnqh" options; do | |
fde9c319 | 58 | case ${options} in |
045880fb BP |
59 | l) LOCKING="0";; |
60 | n) NETWORK="0";; | |
61 | q) QUIET="0";; | |
a4dc603f | 62 | i) INPUT="0";; |
045880fb BP |
63 | h) usage; |
64 | exit 0;; | |
65 | \?) usage; | |
66 | exit 1;; | |
80bb2806 | 67 | esac |
68 | done | |
fde9c319 | 69 | shift $((${OPTIND} - 1)) |
045880fb BP |
70 | |
71 | ||
fde9c319 | 72 | if [ ! ${LOCKING} ]; then |
045880fb | 73 | TESTS="${TESTS} -name lockdep -prune -o -name locking -prune -o" |
efd72b5d AM |
74 | else |
75 | modprobe lockdep-trace | |
045880fb BP |
76 | fi |
77 | ||
fde9c319 | 78 | if [ ! ${NETWORK} ]; then |
045880fb | 79 | TESTS="${TESTS} -path '*/net/*_extended' -prune -o" |
efd72b5d AM |
80 | else |
81 | modprobe net-extended-trace | |
045880fb BP |
82 | fi |
83 | ||
a4dc603f MD |
84 | if [ ! ${INPUT} ]; then |
85 | TESTS="${TESTS} -name input -prune -o" | |
86 | fi | |
87 | ||
6e8902bf | 88 | (eval "find '${MARKERSROOT}' ${TESTS} -name metadata -prune -o -name enable -print") | while read -r marker; do |
fde9c319 | 89 | if [ ! ${QUIET} ]; then |
045880fb BP |
90 | echo "Connecting ${marker%/enable}" |
91 | fi | |
fde9c319 | 92 | echo 1 > ${marker} |
d7a3410b | 93 | done |