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Fri, 09 Feb 2024 01:12:21 -0800 (PST) From: Nicholas Piggin To: Thomas Huth Subject: [kvm-unit-tests PATCH v4 5/8] arch-run: rename migration variables Date: Fri, 9 Feb 2024 19:11:31 +1000 Message-ID: <20240209091134.600228-6-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240209091134.600228-1-npiggin@gmail.com> References: <20240209091134.600228-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , linux-s390@vger.kernel.org, Nico Boehr , Janosch Frank , kvm@vger.kernel.org, David Hildenbrand , linuxppc-dev@lists.ozlabs.org, Shaoqin Huang , Nicholas Piggin , Andrew Jones , Eric Auger , Marc Hartmayer , kvm-riscv@lists.infradead.org, kvmarm@lists.linux.dev, Paolo Bonzini , Claudio Imbrenda , Alexandru Elisei Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Using 1 and 2 for source and destination is confusing, particularly now with multiple migrations that flip between them. Do a rename pass to 'src' and 'dst' to tidy things up. Acked-by: Thomas Huth Signed-off-by: Nicholas Piggin --- scripts/arch-run.bash | 111 +++++++++++++++++++++--------------------- 1 file changed, 56 insertions(+), 55 deletions(-) diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash index c2002d7a..c98429e8 100644 --- a/scripts/arch-run.bash +++ b/scripts/arch-run.bash @@ -132,27 +132,27 @@ run_migration () migcmdline=$@ trap 'trap - TERM ; kill 0 ; exit 2' INT TERM - trap 'rm -f ${migout1} ${migout2} ${migout_fifo1} ${migout_fifo2} ${migsock} ${qmp1} ${qmp2} ${fifo}' RETURN EXIT - - migsock=$(mktemp -u -t mig-helper-socket.XXXXXXXXXX) - migout1=$(mktemp -t mig-helper-stdout1.XXXXXXXXXX) - migout_fifo1=$(mktemp -u -t mig-helper-fifo-stdout1.XXXXXXXXXX) - migout2=$(mktemp -t mig-helper-stdout2.XXXXXXXXXX) - migout_fifo2=$(mktemp -u -t mig-helper-fifo-stdout2.XXXXXXXXXX) - qmp1=$(mktemp -u -t mig-helper-qmp1.XXXXXXXXXX) - qmp2=$(mktemp -u -t mig-helper-qmp2.XXXXXXXXXX) - fifo=$(mktemp -u -t mig-helper-fifo.XXXXXXXXXX) - qmpout1=/dev/null - qmpout2=/dev/null - - mkfifo ${migout_fifo1} - mkfifo ${migout_fifo2} + trap 'rm -f ${src_out} ${dst_out} ${src_outfifo} ${dst_outfifo} ${dst_incoming} ${src_qmp} ${dst_qmp} ${dst_infifo}' RETURN EXIT + + dst_incoming=$(mktemp -u -t mig-helper-socket-incoming.XXXXXXXXXX) + src_out=$(mktemp -t mig-helper-stdout1.XXXXXXXXXX) + src_outfifo=$(mktemp -u -t mig-helper-fifo-stdout1.XXXXXXXXXX) + dst_out=$(mktemp -t mig-helper-stdout2.XXXXXXXXXX) + dst_outfifo=$(mktemp -u -t mig-helper-fifo-stdout2.XXXXXXXXXX) + src_qmp=$(mktemp -u -t mig-helper-qmp1.XXXXXXXXXX) + dst_qmp=$(mktemp -u -t mig-helper-qmp2.XXXXXXXXXX) + dst_infifo=$(mktemp -u -t mig-helper-fifo-stdin.XXXXXXXXXX) + src_qmpout=/dev/null + dst_qmpout=/dev/null + + mkfifo ${src_outfifo} + mkfifo ${dst_outfifo} eval "$migcmdline" \ - -chardev socket,id=mon1,path=${qmp1},server=on,wait=off \ - -mon chardev=mon1,mode=control > ${migout_fifo1} & + -chardev socket,id=mon,path=${src_qmp},server=on,wait=off \ + -mon chardev=mon,mode=control > ${src_outfifo} & live_pid=$! - cat ${migout_fifo1} | tee ${migout1} & + cat ${src_outfifo} | tee ${src_out} & # Start the first destination QEMU machine in advance of the test # reaching the migration point, since we expect at least one migration. @@ -162,7 +162,7 @@ run_migration () while ps -p ${live_pid} > /dev/null ; do # Wait for test exit or further migration messages. - if ! grep -q -i "Now migrate the VM" < ${migout1} ; then + if ! grep -q -i "Now migrate the VM" < ${src_out} ; then sleep 0.1 else do_migration || return $? @@ -184,80 +184,81 @@ do_migration () # We have to use cat to open the named FIFO, because named FIFO's, # unlike pipes, will block on open() until the other end is also # opened, and that totally breaks QEMU... - mkfifo ${fifo} + mkfifo ${dst_infifo} eval "$migcmdline" \ - -chardev socket,id=mon2,path=${qmp2},server=on,wait=off \ - -mon chardev=mon2,mode=control -incoming unix:${migsock} \ - < <(cat ${fifo}) > ${migout_fifo2} & + -chardev socket,id=mon,path=${dst_qmp},server=on,wait=off \ + -mon chardev=mon,mode=control -incoming unix:${dst_incoming} \ + < <(cat ${dst_infifo}) > ${dst_outfifo} & incoming_pid=$! - cat ${migout_fifo2} | tee ${migout2} & + cat ${dst_outfifo} | tee ${dst_out} & # The test must prompt the user to migrate, so wait for the # "Now migrate VM" console message. - while ! grep -q -i "Now migrate the VM" < ${migout1} ; do + while ! grep -q -i "Now migrate the VM" < ${src_out} ; do if ! ps -p ${live_pid} > /dev/null ; then echo "ERROR: Test exit before migration point." >&2 - echo > ${fifo} - qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null - qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null + echo > ${dst_infifo} + qmp ${src_qmp} '"quit"'> ${src_qmpout} 2>/dev/null + qmp ${dst_qmp} '"quit"'> ${dst_qmpout} 2>/dev/null return 3 fi sleep 0.1 done # Wait until the destination has created the incoming and qmp sockets - while ! [ -S ${migsock} ] ; do sleep 0.1 ; done - while ! [ -S ${qmp2} ] ; do sleep 0.1 ; done + while ! [ -S ${dst_incoming} ] ; do sleep 0.1 ; done + while ! [ -S ${dst_qmp} ] ; do sleep 0.1 ; done - qmp ${qmp1} '"migrate", "arguments": { "uri": "unix:'${migsock}'" }' > ${qmpout1} + qmp ${src_qmp} '"migrate", "arguments": { "uri": "unix:'${dst_incoming}'" }' > ${src_qmpout} # Wait for the migration to complete - migstatus=`qmp ${qmp1} '"query-migrate"' | grep return` + migstatus=`qmp ${src_qmp} '"query-migrate"' | grep return` while ! grep -q '"completed"' <<<"$migstatus" ; do sleep 0.1 - if ! migstatus=`qmp ${qmp1} '"query-migrate"'`; then + if ! migstatus=`qmp ${src_qmp} '"query-migrate"'`; then echo "ERROR: Querying migration state failed." >&2 - echo > ${fifo} - qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null + echo > ${dst_infifo} + qmp ${dst_qmp} '"quit"'> ${dst_qmpout} 2>/dev/null return 2 fi migstatus=`grep return <<<"$migstatus"` if grep -q '"failed"' <<<"$migstatus"; then echo "ERROR: Migration failed." >&2 - echo > ${fifo} - qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null - qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null + echo > ${dst_infifo} + qmp ${src_qmp} '"quit"'> ${src_qmpout} 2>/dev/null + qmp ${dst_qmp} '"quit"'> ${dst_qmpout} 2>/dev/null return 2 fi done - qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null + qmp ${src_qmp} '"quit"'> ${src_qmpout} 2>/dev/null # keypress to dst so getchar completes and test continues - echo > ${fifo} - rm ${fifo} + echo > ${dst_infifo} + rm ${dst_infifo} # Ensure the incoming socket is removed, ready for next destination - if [ -S ${migsock} ] ; then + if [ -S ${dst_incoming} ] ; then echo "ERROR: Incoming migration socket not removed after migration." >& 2 - qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null + qmp ${dst_qmp} '"quit"'> ${dst_qmpout} 2>/dev/null return 2 fi wait ${live_pid} ret=$? - # Now flip the variables because dest becomes source + # Now flip the variables because destination machine becomes source + # for the next migration. live_pid=${incoming_pid} - tmp=${migout1} - migout1=${migout2} - migout2=${tmp} - tmp=${migout_fifo1} - migout_fifo1=${migout_fifo2} - migout_fifo2=${tmp} - tmp=${qmp1} - qmp1=${qmp2} - qmp2=${tmp} + tmp=${src_out} + src_out=${dst_out} + dst_out=${tmp} + tmp=${src_outfifo} + src_outfifo=${dst_outfifo} + dst_outfifo=${tmp} + tmp=${src_qmp} + src_qmp=${dst_qmp} + dst_qmp=${tmp} return $ret } @@ -280,8 +281,8 @@ run_panic () qmp=$(mktemp -u -t panic-qmp.XXXXXXXXXX) # start VM stopped so we don't miss any events - eval "$@" -chardev socket,id=mon1,path=${qmp},server=on,wait=off \ - -mon chardev=mon1,mode=control -S & + eval "$@" -chardev socket,id=mon,path=${qmp},server=on,wait=off \ + -mon chardev=mon,mode=control -S & panic_event_count=$(qmp_events ${qmp} | jq -c 'select(.event == "GUEST_PANICKED")' | wc -l) if [ "$panic_event_count" -lt 1 ]; then -- 2.42.0