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
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Return true if perf_event_paranoid is > $1 and not running as root.
function ParanoidAndNotRoot()
{
[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
}
# $1 name $2 extra_opt
check_no_args()
{
echo -n "Checking $1 output: no args "
perf stat $2 true
commachecker --no-args
echo "[Success]"
}
check_system_wide()
{
echo -n "Checking $1 output: system wide "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -a $2 true
commachecker --system-wide
echo "[Success]"
}
check_system_wide_no_aggr()
{
echo -n "Checking $1 output: system wide no aggregation "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat -A -a --no-merge $2 true
commachecker --system-wide-no-aggr
echo "[Success]"
}
check_interval()
{
echo -n "Checking $1 output: interval "
perf stat -I 1000 $2 true
commachecker --interval
echo "[Success]"
}
check_event()
{
echo -n "Checking $1 output: event "
perf stat -e cpu-clock $2 true
commachecker --event
echo "[Success]"
}
check_per_core()
{
echo -n "Checking $1 output: per core "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-core -a $2 true
commachecker --per-core
echo "[Success]"
}
check_per_thread()
{
echo -n "Checking $1 output: per thread "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-thread -p $$ $2 true
commachecker --per-thread
echo "[Success]"
}
check_per_cache_instance()
{
echo -n "Checking $1 output: per cache instance "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-cache -a $2 true
commachecker --per-cache
echo "[Success]"
}
check_per_cluster()
{
echo -n "Checking $1 output: per cluster "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-cluster -a $2 true
echo "[Success]"
}
check_per_die()
{
echo -n "Checking $1 output: per die "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-die -a $2 true
commachecker --per-die
echo "[Success]"
}
check_per_node()
{
echo -n "Checking $1 output: per node "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-node -a $2 true
commachecker --per-node
echo "[Success]"
}
check_per_socket()
{
echo -n "Checking $1 output: per socket "
if ParanoidAndNotRoot 0
then
echo "[Skip] paranoid and not root"
return
fi
perf stat --per-socket -a $2 true
commachecker --per-socket
echo "[Success]"
}
check_metric_only()
{
echo -n "Checking $1 output: metric only "
if [ "$(uname -m)" = "s390x" ] && ! grep '^facilities' /proc/cpuinfo | grep -qw 67
then
echo "[Skip] CPU-measurement counter facility not installed"
return
fi
perf stat --metric-only $2 -e instructions,cycles true
commachecker --metric-only
echo "[Success]"
}
# The perf stat options for per-socket, per-core, per-die
# and -A ( no_aggr mode ) uses the info fetched from this
# directory: "/sys/devices/system/cpu/cpu*/topology". For
# example, socket value is fetched from "physical_package_id"
# file in topology directory.
# Reference: cpu__get_topology_int in util/cpumap.c
# If the platform doesn't expose topology information, values
# will be set to -1. For example, incase of pSeries platform
# of powerpc, value for "physical_package_id" is restricted
# and set to -1. Check here validates the socket-id read from
# topology file before proceeding further
FILE_LOC="/sys/devices/system/cpu/cpu*/topology/"
FILE_NAME="physical_package_id"
function check_for_topology()
{
if ! ParanoidAndNotRoot 0
then
socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1`
[ -z $socket_file ] && {
echo 0
return
}
socket_id=`cat $socket_file`
[ $socket_id == -1 ] && {
echo 1
return
}
fi
echo 0
}
|
