diff options
Diffstat (limited to 'samples/bpf/do_hbm_test.sh')
| -rwxr-xr-x | samples/bpf/do_hbm_test.sh | 36 |
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 |
