tests/shell/stat%2Bjson_output.sh

0001 #!/bin/bash
0002 # perf stat JSON output linter
0003 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
0004 # Checks various perf stat JSON output commands for the
0005 # correct number of fields.
0006
0007 set -e
0008
0009 pythonchecker=$(dirname $0)/lib/perf_json_output_lint.py
0010 if [ "x$PYTHON" == "x" ]
0011 then
0012         if which python3 > /dev/null
0013         then
0014                 PYTHON=python3
0015         elif which python > /dev/null
0016         then
0017                 PYTHON=python
0018         else
0019                 echo Skipping test, python not detected please set environment variable PYTHON.
0020                 exit 2
0021         fi
0022 fi
0023
0024 # Return true if perf_event_paranoid is > $1 and not running as root.
0025 function ParanoidAndNotRoot()
0026 {
0027          [ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ]
0028 }
0029
0030 check_no_args()
0031 {
0032         echo -n "Checking json output: no args "
0033         perf stat -j true 2>&1 | $PYTHON $pythonchecker --no-args
0034         echo "[Success]"
0035 }
0036
0037 check_system_wide()
0038 {
0039         echo -n "Checking json output: system wide "
0040         if ParanoidAndNotRoot 0
0041         then
0042                 echo "[Skip] paranoia and not root"
0043                 return
0044         fi
0045         perf stat -j -a true 2>&1 | $PYTHON $pythonchecker --system-wide
0046         echo "[Success]"
0047 }
0048
0049 check_system_wide_no_aggr()
0050 {
0051         echo -n "Checking json output: system wide "
0052         if ParanoidAndNotRoot 0
0053         then
0054                 echo "[Skip] paranoia and not root"
0055                 return
0056         fi
0057         echo -n "Checking json output: system wide no aggregation "
0058         perf stat -j -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr
0059         echo "[Success]"
0060 }
0061
0062 check_interval()
0063 {
0064         echo -n "Checking json output: interval "
0065         perf stat -j -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval
0066         echo "[Success]"
0067 }
0068
0069
0070 check_event()
0071 {
0072         echo -n "Checking json output: event "
0073         perf stat -j -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event
0074         echo "[Success]"
0075 }
0076
0077 check_per_core()
0078 {
0079         echo -n "Checking json output: per core "
0080         if ParanoidAndNotRoot 0
0081         then
0082                 echo "[Skip] paranoia and not root"
0083                 return
0084         fi
0085         perf stat -j --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core
0086         echo "[Success]"
0087 }
0088
0089 check_per_thread()
0090 {
0091         echo -n "Checking json output: per thread "
0092         if ParanoidAndNotRoot 0
0093         then
0094                 echo "[Skip] paranoia and not root"
0095                 return
0096         fi
0097         perf stat -j --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread
0098         echo "[Success]"
0099 }
0100
0101 check_per_die()
0102 {
0103         echo -n "Checking json output: per die "
0104         if ParanoidAndNotRoot 0
0105         then
0106                 echo "[Skip] paranoia and not root"
0107                 return
0108         fi
0109         perf stat -j --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die
0110         echo "[Success]"
0111 }
0112
0113 check_per_node()
0114 {
0115         echo -n "Checking json output: per node "
0116         if ParanoidAndNotRoot 0
0117         then
0118                 echo "[Skip] paranoia and not root"
0119                 return
0120         fi
0121         perf stat -j --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node
0122         echo "[Success]"
0123 }
0124
0125 check_per_socket()
0126 {
0127         echo -n "Checking json output: per socket "
0128         if ParanoidAndNotRoot 0
0129         then
0130                 echo "[Skip] paranoia and not root"
0131                 return
0132         fi
0133         perf stat -j --per-socket -a true 2>&1 | $PYTHON $pythonchecker --per-socket
0134         echo "[Success]"
0135 }
0136
0137 check_no_args
0138 check_system_wide
0139 check_system_wide_no_aggr
0140 check_interval
0141 check_event
0142 check_per_core
0143 check_per_thread
0144 check_per_die
0145 check_per_node
0146 check_per_socket
0147 exit 0