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Diffstat (limited to 'samples/bpf/do_hbm_test.sh')
-rwxr-xr-xsamples/bpf/do_hbm_test.sh36
1 files changed, 16 insertions, 20 deletions
diff --git a/samples/bpf/do_hbm_test.sh b/samples/bpf/do_hbm_test.sh
index ffe4c0607341..7f4f722787d5 100755
--- a/samples/bpf/do_hbm_test.sh
+++ b/samples/bpf/do_hbm_test.sh
@@ -10,7 +10,7 @@
Usage() {
echo "Script for testing HBM (Host Bandwidth Manager) framework."
echo "It creates a cgroup to use for testing and load a BPF program to limit"
- echo "egress or ingress bandwidht. It then uses iperf3 or netperf to create"
+ echo "egress or ingress bandwidth. It then uses iperf3 or netperf to create"
echo "loads. The output is the goodput in Mbps (unless -D was used)."
echo ""
echo "USAGE: $name [out] [-b=<prog>|--bpf=<prog>] [-c=<cc>|--cc=<cc>]"
@@ -91,6 +91,16 @@ qdisc=""
flags=""
do_stats=0
+BPFFS=/sys/fs/bpf
+function config_bpffs () {
+ if mount | grep $BPFFS > /dev/null; then
+ echo "bpffs already mounted"
+ else
+ echo "bpffs not mounted. Mounting..."
+ mount -t bpf none $BPFFS
+ fi
+}
+
function start_hbm () {
rm -f hbm.out
echo "./hbm $dir -n $id -r $rate -t $dur $flags $dbg $prog" > hbm.out
@@ -102,7 +112,7 @@ function start_hbm () {
processArgs () {
for i in $args ; do
case $i in
- # Support for upcomming ingress rate limiting
+ # Support for upcoming ingress rate limiting
#in) # support for upcoming ingress rate limiting
# dir="-i"
# dir_name="in"
@@ -192,6 +202,7 @@ processArgs () {
}
processArgs
+config_bpffs
if [ $debug_flag -eq 1 ] ; then
rm -f hbm_out.log
@@ -201,7 +212,7 @@ hbm_pid=$(start_hbm)
usleep 100000
host=`hostname`
-cg_base_dir=/sys/fs/cgroup
+cg_base_dir=/sys/fs/cgroup/unified
cg_dir="$cg_base_dir/cgroup-test-work-dir/hbm$id"
echo $$ >> $cg_dir/cgroup.procs
@@ -411,23 +422,8 @@ fi
sleep 1
-# Detach any BPF programs that may have lingered
-ttx=`bpftool cgroup tree | grep hbm`
-v=2
-for x in $ttx ; do
- if [ "${x:0:36}" == "/sys/fs/cgroup/cgroup-test-work-dir/" ] ; then
- cg=$x ; v=0
- else
- if [ $v -eq 0 ] ; then
- id=$x ; v=1
- else
- if [ $v -eq 1 ] ; then
- type=$x ; bpftool cgroup detach $cg $type id $id
- v=0
- fi
- fi
- fi
-done
+# Detach any pinned BPF programs that may have lingered
+rm -rf $BPFFS/hbm*
if [ $use_netperf -ne 0 ] ; then
if [ "$server" == "" ] ; then