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#!/bin/bash
dump_dev() {
DEV=$1
DEV_NAME=`basename $DEV`
QPATH=/sys/block/$DEV_NAME/queue
DBGFS=/sys/kernel/debug/block/$DEV_NAME/
[ ! -d $DBGFS/hctx0 ] && return
echo "queue mapping for $DEV"
HCTXS=`ls -d -v $DBGFS/hctx*`
for HCTX in $HCTXS; do
HCTXB=`basename $HCTX`
TYPE=`cat $HCTX/type`
CPUS=`cd $HCTX;ls -d -v cpu*`
#echo $HCTX $CPUS
CPU_SEQ=""
for CPU in $CPUS; do
NO=`echo $CPU | tr -d cpu`
CPU_SEQ+="$NO "
done
echo -e "\t$HCTXB: $TYPE $CPU_SEQ"
done
}
DBG_TOP=/sys/kernel/debug/block/
DEVS=""
if [ $# -eq 0 ]; then
for DEV in `ls $DBG_TOP`; do
DEVS+="/dev/"$DEV
DEVS+=" "
done
else
DEVS=$@
fi
for DEV in $DEVS; do
dump_dev $DEV
done
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