blob: 25fc899461a291734f82f320b82af95a9e4943bd (
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
#!/bin/sh
#
# Bootchart logger script
# Ziga Mahkovec <ziga.mahkovec@klika.si>
#
# Modified heavily for Alpine Linux bootcharting
# Timo Teras <timo.teras@iki.fi>
#
# This script is used for data collection for the bootchart
# boot performance visualization tool (http://www.bootchart.org).
#
# This script is tied to Alpine Init scripts and charts the
# bootup procedure only.
#
PATH="/sbin:/bin:/usr/sbin:/usr/bin:$PATH"
# Configuration for bootchartd, the bootchart logger script.
TMPFS_SIZE=32m
SAMPLE_PERIOD=0.2
PROCESS_ACCOUNTING="yes"
BOOTLOG_DEST=/var/log/bootchart.tgz
LOGDIR=/bootchart
EXIT_PROC="mingetty agetty rungetty getty fgetty"
# Monitoring commands
log_cmd_1="cat /proc/stat"
log_target_1=proc_stat.log
# /proc/diskstats is available in 2.6 kernels
log_cmd_2="cat /proc/diskstats"
log_target_2=proc_diskstats.log
log_cmd_3="cat /proc/[1-9]*/stat 2>/dev/null"
log_target_3=proc_ps.log
# Uncomment this line for diskless stations
#log_cmd_4="cat /proc/net/dev"
#log_target_4=proc_netdev.log
max_log=3
do_logging()
{
# Enable process accounting if configured
if [ "$PROCESS_ACCOUNTING" = "yes" ]; then
[ -e kernel_pacct ] || : > kernel_pacct
accton kernel_pacct
fi
# open file descriptors
i=1
while [ $i -le $max_log ]; do
eval target=\"\$log_target_$i\"
if [ -z "$target" ]; then
max_log=$i
break
fi
fd=$((2 + $i))
eval exec $fd'>>$target'
eval log_fd_$i=$fd
i=$(($i + 1))
done
not_stop_logging=true
while $not_stop_logging && \
{ ! pidof $EXIT_PROC >/dev/null; }; do
if [ -r /proc/uptime ]; then
# Write the time (in jiffies).
read uptime < /proc/uptime
uptime=${uptime%% [0-9]*}
uptime=${uptime%.*}${uptime#*.}
i=1
while [ $i -le $max_log ]; do
eval fd=\$log_fd_$i\; cmd=\$log_cmd_$i
{
echo $uptime
# Log the command output
eval $cmd
echo
} > $fd 2>&1
i=$(($i + 1))
done
fi
sleep $SAMPLE_PERIOD
done
# close file descriptors
i=1
while [ $i -le $max_log ]; do
eval fd=\$log_fd_$i
eval exec $fd'>&-'
i=$(($i + 1))
done
[ -e kernel_pacct ] && accton
}
# Stop the boot logger. The lock file is removed to force the loggers in
# background to exit. Some final log files are created and then all log files
# from the tmpfs are packaged and stored in $BOOTLOG_DEST.
finalize()
{
# Stop process accounting if configured
local pacct=
[ -e kernel_pacct ] && pacct=kernel_pacct
# Write system information
# Log some basic information about the system.
(
echo "version = $VERSION"
echo "title = Boot chart for $( hostname | sed q ) ($( date ))"
echo "system.uname = $( uname -srvm | sed q )"
if [ -f /etc/alpine-release ]; then
echo "system.release = $( sed q /etc/alpine-release )"
elif [ -f /etc/gentoo-release ]; then
echo "system.release = $( sed q /etc/gentoo-release )"
elif [ -f /etc/SuSE-release ]; then
echo "system.release = $( sed q /etc/SuSE-release )"
elif [ -f /etc/debian_version ]; then
echo "system.release = Debian GNU/$( uname -s ) $( cat /etc/debian_version )"
elif [ -f /etc/frugalware-release ]; then
echo "system.release = $( sed q /etc/frugalware-release )"
elif [ -f /etc/pardus-release ]; then
echo "system.release = $( sed q /etc/pardus-release )"
else
echo "system.release = $( sed 's/\\.//g;q' /etc/issue )"
fi
# Get CPU count
local cpucount=$(grep -c '^processor' /proc/cpuinfo)
if [ $cpucount -gt 1 -a -n "$(grep 'sibling.*2' /proc/cpuinfo)" ]; then
# Hyper-Threading enabled
cpucount=$(( $cpucount / 2 ))
fi
if grep -q '^model name' /proc/cpuinfo; then
echo "system.cpu = $( grep '^model name' /proc/cpuinfo | sed q )"\
"($cpucount)"
else
echo "system.cpu = $( grep '^cpu' /proc/cpuinfo | sed q )"\
"($cpucount)"
fi
echo "system.kernel.options = $( sed q /proc/cmdline )"
) >> header
# Package log files
tar -zcf "$BOOTLOG_DEST" header $pacct *.log
rm "$LOGDIR"/*
rmdir "$LOGDIR"
}
case "$1" in
start-initfs)
NEWROOT="$2"
(
cleanup=true
trap "not_stop_logging=false" USR1
trap "cleanup=false; not_stop_logging=false" USR2
mkdir "$LOGDIR"
cd "$LOGDIR"
do_logging
if $cleanup; then
sleep $SAMPLE_PERIOD
finalize
fi
) &
echo $! > $LOGDIR/bootchart.pid
;;
stop-initfs)
NEWROOT="$2"
cd "$LOGDIR"
mkdir "$NEWROOT$LOGDIR"
cp /sbin/bootchartd $NEWROOT/sbin
PID=$(cat bootchart.pid)
kill -USR2 $PID
wait $PID
mv * "$NEWROOT$LOGDIR"
;;
start-rootfs)
(
trap "not_stop_logging=false" USR1
cd "$LOGDIR"
do_logging
finalize
) &
shift
exec "$@"
;;
esac
exit 0
|
