170 строки
3.3 KiB
Bash
Executable File
170 строки
3.3 KiB
Bash
Executable File
#!/bin/bash
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# perf stat CSV output linter
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# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
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# Tests various perf stat CSV output commands for the
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# correct number of fields and the CSV separator set to ','.
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set -e
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function commachecker()
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{
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local -i cnt=0
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local exp=0
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case "$1"
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in "--no-args") exp=6
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;; "--system-wide") exp=6
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;; "--event") exp=6
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;; "--interval") exp=7
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;; "--per-thread") exp=7
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;; "--system-wide-no-aggr") exp=7
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[ $(uname -m) = "s390x" ] && exp='^[6-7]$'
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;; "--per-core") exp=8
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;; "--per-socket") exp=8
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;; "--per-node") exp=8
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;; "--per-die") exp=8
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esac
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while read line
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do
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# Check for lines beginning with Failed
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x=${line:0:6}
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[ "$x" = "Failed" ] && continue
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# Count the number of commas
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x=$(echo $line | tr -d -c ',')
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cnt="${#x}"
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# echo $line $cnt
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[[ ! "$cnt" =~ $exp ]] && {
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echo "wrong number of fields. expected $exp in $line" 1>&2
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exit 1;
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}
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done
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return 0
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}
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# Return true if perf_event_paranoid is > $1 and not running as root.
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function ParanoidAndNotRoot()
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{
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[ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ]
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}
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check_no_args()
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{
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echo -n "Checking CSV output: no args "
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perf stat -x, true 2>&1 | commachecker --no-args
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echo "[Success]"
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}
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check_system_wide()
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{
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echo -n "Checking CSV output: system wide "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, -a true 2>&1 | commachecker --system-wide
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echo "[Success]"
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}
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check_system_wide_no_aggr()
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{
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echo -n "Checking CSV output: system wide "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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echo -n "Checking CSV output: system wide no aggregation "
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perf stat -x, -A -a --no-merge true 2>&1 | commachecker --system-wide-no-aggr
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echo "[Success]"
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}
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check_interval()
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{
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echo -n "Checking CSV output: interval "
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perf stat -x, -I 1000 true 2>&1 | commachecker --interval
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echo "[Success]"
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}
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check_event()
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{
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echo -n "Checking CSV output: event "
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perf stat -x, -e cpu-clock true 2>&1 | commachecker --event
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echo "[Success]"
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}
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check_per_core()
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{
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echo -n "Checking CSV output: per core "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, --per-core -a true 2>&1 | commachecker --per-core
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echo "[Success]"
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}
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check_per_thread()
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{
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echo -n "Checking CSV output: per thread "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, --per-thread -a true 2>&1 | commachecker --per-thread
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echo "[Success]"
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}
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check_per_die()
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{
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echo -n "Checking CSV output: per die "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, --per-die -a true 2>&1 | commachecker --per-die
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echo "[Success]"
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}
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check_per_node()
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{
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echo -n "Checking CSV output: per node "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, --per-node -a true 2>&1 | commachecker --per-node
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echo "[Success]"
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}
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check_per_socket()
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{
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echo -n "Checking CSV output: per socket "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x, --per-socket -a true 2>&1 | commachecker --per-socket
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echo "[Success]"
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}
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check_no_args
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check_system_wide
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check_system_wide_no_aggr
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check_interval
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check_event
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check_per_core
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check_per_thread
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check_per_die
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check_per_node
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check_per_socket
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exit 0
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