selftests/net: give more time to udpgro bg processes to complete startup

In some conditions, background processes in udpgro don't have enough
time to set up the sockets. When foreground processes start, this
results in the test failing with "./udpgso_bench_tx: sendmsg: Connection
refused". For instance, this happens from time to time on a Qualcomm
SA8540P SoC running CentOS Stream 9.

To fix this, increase the time given to background processes to
complete the startup before foreground processes start.

Signed-off-by: Adrien Thierry <athierry@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh
index ebbd0b2..6a443ca 100755 (executable)
--- a/tools/testing/selftests/net/udpgro.sh
+++ b/tools/testing/selftests/net/udpgro.sh
@@ -50,7 +50,7 @@ run_one() {
                echo "failed" &
 
        # Hack: let bg programs complete the startup
-       sleep 0.1
+       sleep 0.2
        ./udpgso_bench_tx ${tx_args}
        ret=$?
        wait $(jobs -p)
@@ -117,7 +117,7 @@ run_one_2sock() {
                echo "failed" &
 
        # Hack: let bg programs complete the startup
-       sleep 0.1
+       sleep 0.2
        ./udpgso_bench_tx ${tx_args} -p 12345
        sleep 0.1
        # first UDP GSO socket should be closed at this point

diff --git a/tools/testing/selftests/net/udpgro_bench.sh b/tools/testing/selftests/net/udpgro_bench.sh
index fad2d1a..8a1109a 100755 (executable)
--- a/tools/testing/selftests/net/udpgro_bench.sh
+++ b/tools/testing/selftests/net/udpgro_bench.sh
@@ -39,7 +39,7 @@ run_one() {
        ip netns exec "${PEER_NS}" ./udpgso_bench_rx -t ${rx_args} -r &
 
        # Hack: let bg programs complete the startup
-       sleep 0.1
+       sleep 0.2
        ./udpgso_bench_tx ${tx_args}
 }
 

diff --git a/tools/testing/selftests/net/udpgro_frglist.sh b/tools/testing/selftests/net/udpgro_frglist.sh
index 832c738..7fe85ba 100755 (executable)
--- a/tools/testing/selftests/net/udpgro_frglist.sh
+++ b/tools/testing/selftests/net/udpgro_frglist.sh
@@ -44,7 +44,7 @@ run_one() {
        ip netns exec "${PEER_NS}" ./udpgso_bench_rx ${rx_args} -r &
 
        # Hack: let bg programs complete the startup
-       sleep 0.1
+       sleep 0.2
        ./udpgso_bench_tx ${tx_args}
 }