mirror of
https://github.com/systemd/systemd.git
synced 2024-11-05 15:21:37 +03:00
342 lines
11 KiB
Bash
Executable File
342 lines
11 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -ex
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set -o pipefail
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at_exit() {
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if [ $? -ne 0 ]; then
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# We're exiting with a non-zero EC, let's dump test artifacts
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# for easier debugging
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[ -f "$straceLog" ] && cat "$straceLog"
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[ -f "$journalLog" ] && cat "$journalLog"
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fi
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}
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trap at_exit EXIT
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systemd-analyze log-level debug
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systemd-analyze log-target journal
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# Log files
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straceLog='strace.log'
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journalLog='journal.log'
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# Systemd config files
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testUnit='numa-test.service'
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testUnitFile="/run/systemd/system/$testUnit"
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testUnitNUMAConf="$testUnitFile.d/numa.conf"
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# Sleep constants (we should probably figure out something better but nothing comes to mind)
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journalSleep=5
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sleepAfterStart=1
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# Journal cursor for easier navigation
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journalCursorFile="jounalCursorFile"
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startStrace() {
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coproc strace -qq -p 1 -o $straceLog -e set_mempolicy -s 1024 $1
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# Wait for strace to properly "initialize"
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sleep $sleepAfterStart
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}
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stopStrace() {
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kill -s TERM $COPROC_PID
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# Make sure the strace process is indeed dead
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while kill -0 $COPROC_PID 2>/dev/null; do sleep 0.1; done
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}
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startJournalctl() {
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# Save journal's cursor for later navigation
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journalctl --no-pager --cursor-file="$journalCursorFile" -n0 -ocat
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}
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stopJournalctl() {
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local unit="${1:-init.scope}"
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# Using journalctl --sync should be better than using SIGRTMIN+1, as
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# the --sync wait until the synchronization is complete
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echo "Force journald to write all queued messages"
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journalctl --sync
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journalctl -u $unit --cursor-file="$journalCursorFile" > "$journalLog"
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}
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checkNUMA() {
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# NUMA enabled system should have at least NUMA node0
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test -e /sys/devices/system/node/node0
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}
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writePID1NUMAPolicy() {
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echo [Manager] > $confDir/numa.conf
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echo NUMAPolicy=$1 >> $confDir/numa.conf
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echo NUMAMask=$2>> $confDir/numa.conf
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}
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writeTestUnit() {
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mkdir -p $testUnitFile.d/
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echo [Service] > $testUnitFile
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echo ExecStart=/bin/sleep 3600 >> $testUnitFile
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}
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writeTestUnitNUMAPolicy() {
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echo [Service] > $testUnitNUMAConf
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echo NUMAPolicy=$1 >> $testUnitNUMAConf
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echo NUMAMask=$2>> $testUnitNUMAConf
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systemctl daemon-reload
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}
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pid1ReloadWithStrace() {
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startStrace
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systemctl daemon-reload
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sleep $sleepAfterStart
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stopStrace
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}
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pid1ReloadWithJournal() {
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startJournalctl
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systemctl daemon-reload
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stopJournalctl
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}
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pid1StartUnitWithStrace() {
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startStrace '-f'
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systemctl start $1
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sleep $sleepAfterStart
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stopStrace
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}
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pid1StartUnitWithJournal() {
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startJournalctl
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systemctl start $1
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sleep $sleepAfterStart
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stopJournalctl
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}
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pid1StopUnit() {
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systemctl stop $1
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}
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systemctlCheckNUMAProperties() {
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local LOGFILE="$(mktemp)"
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systemctl show -p NUMAPolicy $1 > "$LOGFILE"
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grep "NUMAPolicy=$2" "$LOGFILE"
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> "$LOGFILE"
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if [ -n $3 ]; then
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systemctl show -p NUMAMask $1 > "$LOGFILE"
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grep "NUMAMask=$3" "$LOGFILE"
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fi
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}
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writeTestUnit
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# Create systemd config drop-in directory
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confDir="/run/systemd/system.conf.d/"
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mkdir -p "$confDir"
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if ! checkNUMA; then
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echo >&2 "NUMA is not supported on this machine, switching to a simple sanity check"
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echo "PID1 NUMAPolicy=default && NUMAMask=0 check without NUMA support"
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writePID1NUMAPolicy "default" "0"
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startJournalctl
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systemctl daemon-reload
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stopJournalctl
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grep "NUMA support not available, ignoring" "$journalLog"
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echo "systemd-run NUMAPolicy=default && NUMAMask=0 check without NUMA support"
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runUnit='numa-systemd-run-test.service'
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startJournalctl
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systemd-run -p NUMAPolicy=default -p NUMAMask=0 --unit $runUnit sleep 1000
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sleep $sleepAfterStart
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pid1StopUnit $runUnit
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stopJournalctl $runUnit
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grep "NUMA support not available, ignoring" "$journalLog"
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else
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echo "PID1 NUMAPolicy support - Default policy w/o mask"
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writePID1NUMAPolicy "default"
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pid1ReloadWithStrace
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# Kernel requires that nodemask argument is set to NULL when setting default policy
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grep "set_mempolicy(MPOL_DEFAULT, NULL" $straceLog
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echo "PID1 NUMAPolicy support - Default policy w/ mask"
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writePID1NUMAPolicy "default" "0"
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pid1ReloadWithStrace
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grep "set_mempolicy(MPOL_DEFAULT, NULL" $straceLog
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echo "PID1 NUMAPolicy support - Bind policy w/o mask"
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writePID1NUMAPolicy "bind"
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pid1ReloadWithJournal
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grep "Failed to set NUMA memory policy: Invalid argument" $journalLog
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echo "PID1 NUMAPolicy support - Bind policy w/ mask"
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writePID1NUMAPolicy "bind" "0"
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pid1ReloadWithStrace
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grep -P "set_mempolicy\(MPOL_BIND, \[0x0*1\]" $straceLog
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echo "PID1 NUMAPolicy support - Interleave policy w/o mask"
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writePID1NUMAPolicy "interleave"
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pid1ReloadWithJournal
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grep "Failed to set NUMA memory policy: Invalid argument" $journalLog
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echo "PID1 NUMAPolicy support - Interleave policy w/ mask"
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writePID1NUMAPolicy "interleave" "0"
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pid1ReloadWithStrace
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grep -P "set_mempolicy\(MPOL_INTERLEAVE, \[0x0*1\]" $straceLog
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echo "PID1 NUMAPolicy support - Preferred policy w/o mask"
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writePID1NUMAPolicy "preferred"
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pid1ReloadWithJournal
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# Preferred policy with empty node mask is actually allowed and should reset allocation policy to default
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! grep "Failed to set NUMA memory policy: Invalid argument" $journalLog
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echo "PID1 NUMAPolicy support - Preferred policy w/ mask"
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writePID1NUMAPolicy "preferred" "0"
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pid1ReloadWithStrace
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grep -P "set_mempolicy\(MPOL_PREFERRED, \[0x0*1\]" $straceLog
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echo "PID1 NUMAPolicy support - Local policy w/o mask"
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writePID1NUMAPolicy "local"
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pid1ReloadWithStrace
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# Kernel requires that nodemask argument is set to NULL when setting default policy
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# The unpatched versions of strace don't recognize the MPOL_LOCAL constant and
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# return a numerical constant instead (with a comment):
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# set_mempolicy(0x4 /* MPOL_??? */, NULL, 0) = 0
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# Let's cover this scenario as well
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grep -E "set_mempolicy\((MPOL_LOCAL|0x4 [^,]*), NULL" $straceLog
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echo "PID1 NUMAPolicy support - Local policy w/ mask"
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writePID1NUMAPolicy "local" "0"
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pid1ReloadWithStrace
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grep -E "set_mempolicy\((MPOL_LOCAL|0x4 [^,]*), NULL" $straceLog
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echo "Unit file NUMAPolicy support - Default policy w/o mask"
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writeTestUnitNUMAPolicy "default"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "default"
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pid1StopUnit $testUnit
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grep "set_mempolicy(MPOL_DEFAULT, NULL" $straceLog
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echo "Unit file NUMAPolicy support - Default policy w/ mask"
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writeTestUnitNUMAPolicy "default" "0"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "default" "0"
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pid1StopUnit $testUnit
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# Maks must be ignored
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grep "set_mempolicy(MPOL_DEFAULT, NULL" $straceLog
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echo "Unit file NUMAPolicy support - Bind policy w/o mask"
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writeTestUnitNUMAPolicy "bind"
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pid1StartUnitWithJournal $testUnit
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pid1StopUnit $testUnit
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grep "numa-test.service: Main process exited, code=exited, status=242/NUMA" $journalLog
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echo "Unit file NUMAPolicy support - Bind policy w/ mask"
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writeTestUnitNUMAPolicy "bind" "0"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "bind" "0"
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pid1StopUnit $testUnit
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grep -P "set_mempolicy\(MPOL_BIND, \[0x0*1\]" $straceLog
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echo "Unit file NUMAPolicy support - Interleave policy w/o mask"
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writeTestUnitNUMAPolicy "interleave"
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pid1StartUnitWithStrace $testUnit
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pid1StopUnit $testUnit
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grep "numa-test.service: Main process exited, code=exited, status=242/NUMA" $journalLog
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echo "Unit file NUMAPolicy support - Interleave policy w/ mask"
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writeTestUnitNUMAPolicy "interleave" "0"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "interleave" "0"
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pid1StopUnit $testUnit
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grep -P "set_mempolicy\(MPOL_INTERLEAVE, \[0x0*1\]" $straceLog
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echo "Unit file NUMAPolicy support - Preferred policy w/o mask"
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writeTestUnitNUMAPolicy "preferred"
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pid1StartUnitWithJournal $testUnit
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systemctlCheckNUMAProperties $testUnit "preferred"
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pid1StopUnit $testUnit
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! grep "numa-test.service: Main process exited, code=exited, status=242/NUMA" $journalLog
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echo "Unit file NUMAPolicy support - Preferred policy w/ mask"
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writeTestUnitNUMAPolicy "preferred" "0"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "preferred" "0"
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pid1StopUnit $testUnit
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grep -P "set_mempolicy\(MPOL_PREFERRED, \[0x0*1\]" $straceLog
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echo "Unit file NUMAPolicy support - Local policy w/o mask"
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writeTestUnitNUMAPolicy "local"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "local"
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pid1StopUnit $testUnit
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grep -E "set_mempolicy\((MPOL_LOCAL|0x4 [^,]*), NULL" $straceLog
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echo "Unit file NUMAPolicy support - Local policy w/ mask"
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writeTestUnitNUMAPolicy "local" "0"
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pid1StartUnitWithStrace $testUnit
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systemctlCheckNUMAProperties $testUnit "local" "0"
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pid1StopUnit $testUnit
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# Maks must be ignored
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grep -E "set_mempolicy\((MPOL_LOCAL|0x4 [^,]*), NULL" $straceLog
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echo "Unit file CPUAffinity=NUMA support"
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writeTestUnitNUMAPolicy "bind" "0"
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echo "CPUAffinity=numa" >> $testUnitNUMAConf
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systemctl daemon-reload
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systemctl start $testUnit
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systemctlCheckNUMAProperties $testUnit "bind" "0"
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pid=$(systemctl show --value -p MainPID $testUnit)
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cpulist=$(cat /sys/devices/system/node/node0/cpulist)
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affinity_systemd=$(systemctl show --value -p CPUAffinity $testUnit)
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[ $cpulist = $affinity_systemd ]
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pid1StopUnit $testUnit
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echo "systemd-run NUMAPolicy support"
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runUnit='numa-systemd-run-test.service'
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systemd-run -p NUMAPolicy=default --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "default"
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=default -p NUMAMask=0 --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "default" ""
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=bind -p NUMAMask=0 --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "bind" "0"
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=interleave -p NUMAMask=0 --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "interleave" "0"
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=preferred -p NUMAMask=0 --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "preferred" "0"
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=local --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "local"
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=local -p NUMAMask=0 --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "local" ""
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pid1StopUnit $runUnit
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systemd-run -p NUMAPolicy=local -p NUMAMask=0 -p CPUAffinity=numa --unit $runUnit sleep 1000
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systemctlCheckNUMAProperties $runUnit "local" ""
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systemctl cat $runUnit | grep -q 'CPUAffinity=numa'
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pid1StopUnit $runUnit
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fi
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# Cleanup
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rm -rf $testDir
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rm -rf $confDir
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systemctl daemon-reload
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systemd-analyze log-level info
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echo OK > /testok
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exit 0
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