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| -rw-r--r-- | samples/pktgen/functions.sh | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/samples/pktgen/functions.sh b/samples/pktgen/functions.sh index 205e4cde4601..f8bb3cd0f4ce 100644 --- a/samples/pktgen/functions.sh +++ b/samples/pktgen/functions.sh @@ -119,3 +119,46 @@ function root_check_run_with_sudo() { err 4 "cannot perform sudo run of $0" fi } + +# Exact input device's NUMA node info +function get_iface_node() +{ + local node=$(</sys/class/net/$1/device/numa_node) + if [[ $node == -1 ]]; then + echo 0 + else + echo $node + fi +} + +# Given an Dev/iface, get its queues' irq numbers +function get_iface_irqs() +{ + local IFACE=$1 + local queues="${IFACE}-.*TxRx" + + irqs=$(grep "$queues" /proc/interrupts | cut -f1 -d:) + [ -z "$irqs" ] && irqs=$(grep $IFACE /proc/interrupts | cut -f1 -d:) + [ -z "$irqs" ] && irqs=$(for i in `ls -Ux /sys/class/net/$IFACE/device/msi_irqs` ;\ + do grep "$i:.*TxRx" /proc/interrupts | grep -v fdir | cut -f 1 -d : ;\ + done) + [ -z "$irqs" ] && err 3 "Could not find interrupts for $IFACE" + + echo $irqs +} + +# Given a NUMA node, return cpu ids belonging to it. +function get_node_cpus() +{ + local node=$1 + local node_cpu_list + local node_cpu_range_list=`cut -f1- -d, --output-delimiter=" " \ + /sys/devices/system/node/node$node/cpulist` + + for cpu_range in $node_cpu_range_list + do + node_cpu_list="$node_cpu_list "`seq -s " " ${cpu_range//-/ }` + done + + echo $node_cpu_list +} |