sonic-buildimage/files/scripts/syncd.sh
shlomibitton bca8a244c6
[202012] [Fastboot] Delay LLDP service for better fastboot performance (#10568) (#10744)
This PR is to backport a fix #10568
This PR is dependent on PR: #10745

- Why I did it
Profiling the system state on init after fast-reboot during create_switch function execution, it is possible to see few python scripts running at the same time.
This parallel execution consume CPU time and the duration of create_switch is longer than it should be.
Following this finding, and the motivation to ensure these services will not interfere in the future, LLDP is delayed in 90 seconds until the system finish the init flow after fastboot.

- How I did it
Add a timer for LLDP service.
Copy the timer file to the host bin image.

- How to verify it
Run fast-reboot on MLNX platform and observe faster create_switch execution time.
2022-05-15 15:05:29 +03:00

125 lines
3.4 KiB
Bash
Executable File

#!/bin/bash
. /usr/local/bin/syncd_common.sh
function startplatform() {
# platform specific tasks
# start mellanox drivers regardless of
# boot type
if [[ x"$sonic_asic_platform" == x"mellanox" ]]; then
BOOT_TYPE=`getBootType`
if [[ x"$WARM_BOOT" == x"true" || x"$BOOT_TYPE" == x"fast" ]]; then
export FAST_BOOT=1
fi
if [[ x"$WARM_BOOT" != x"true" ]]; then
if [[ x"$(/bin/systemctl is-active pmon)" == x"active" ]]; then
/bin/systemctl stop pmon
debug "pmon is active while syncd starting, stop it first"
fi
fi
debug "Starting Firmware update procedure"
/usr/bin/mst start --with_i2cdev
/usr/bin/mlnx-fw-upgrade.sh
/etc/init.d/sxdkernel start
debug "Firmware update procedure ended"
fi
if [[ x"$WARM_BOOT" != x"true" ]]; then
if [ x$sonic_asic_platform == x'cavium' ]; then
/etc/init.d/xpnet.sh start
fi
fi
}
function waitplatform() {
if [[ x"$sonic_asic_platform" == x"mellanox" ]]; then
debug "Starting pmon service..."
/bin/systemctl start pmon
debug "Started pmon service"
fi
if [[ x"$BOOT_TYPE" = @(x"fast"|x"warm"|x"fastfast") ]]; then
debug "LLDP service is delayed by a timer for better fast/warm boot performance"
else
debug "Starting lldp service..."
/bin/systemctl start lldp
debug "Started lldp service"
fi
}
function stopplatform1() {
if [[ x$sonic_asic_platform == x"mellanox" ]] && [[ x$TYPE == x"cold" ]]; then
debug "Stopping pmon service ahead of syncd..."
/bin/systemctl stop pmon
debug "Stopped pmon service"
fi
if [[ x$sonic_asic_platform != x"mellanox" ]] || [[ x$TYPE != x"cold" ]]; then
debug "${TYPE} shutdown syncd process ..."
/usr/bin/docker exec -i syncd$DEV /usr/bin/syncd_request_shutdown --${TYPE}
# wait until syncd quits gracefully or force syncd to exit after
# waiting for 20 seconds
start_in_secs=${SECONDS}
end_in_secs=${SECONDS}
timer_threshold=20
while docker top syncd$DEV | grep -q /usr/bin/syncd \
&& [[ $((end_in_secs - start_in_secs)) -le $timer_threshold ]]; do
sleep 0.1
end_in_secs=${SECONDS}
done
if [[ $((end_in_secs - start_in_secs)) -gt $timer_threshold ]]; then
debug "syncd process in container syncd$DEV did not exit gracefully"
fi
/usr/bin/docker exec -i syncd$DEV /bin/sync
debug "Finished ${TYPE} shutdown syncd process ..."
fi
}
function stopplatform2() {
# platform specific tasks
if [[ x"$WARM_BOOT" != x"true" ]]; then
if [ x$sonic_asic_platform == x'mellanox' ]; then
/etc/init.d/sxdkernel stop
/usr/bin/mst stop
elif [ x$sonic_asic_platform == x'cavium' ]; then
/etc/init.d/xpnet.sh stop
/etc/init.d/xpnet.sh start
fi
fi
}
OP=$1
DEV=$2
SERVICE="syncd"
PEER="swss"
DEBUGLOG="/tmp/swss-syncd-debug$DEV.log"
LOCKFILE="/tmp/swss-syncd-lock$DEV"
NAMESPACE_PREFIX="asic"
if [ "$DEV" ]; then
NET_NS="$NAMESPACE_PREFIX$DEV" #name of the network namespace
SONIC_DB_CLI="sonic-db-cli -n $NET_NS"
else
NET_NS=""
SONIC_DB_CLI="sonic-db-cli"
fi
case "$1" in
start|wait|stop)
$1
;;
*)
echo "Usage: $0 {start|wait|stop}"
exit 1
;;
esac