From: Alice Mikityanska <[email protected]>
Debug kernels on upstream CI runners run slower and generate fewer BIG
TCP packets, making the test flaky on upstream CI runners. Lower the
default threshold for those kernels.
Fixes: 5cb53743e1ff ("selftests: net: Add a test for BIG TCP in UDP tunnels")
Signed-off-by: Alice Mikityanska <[email protected]>
---
tools/testing/selftests/net/big_tcp_tunnels.sh | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/big_tcp_tunnels.sh
b/tools/testing/selftests/net/big_tcp_tunnels.sh
index 9b7d0456bcc1..e0b41f394ebb 100755
--- a/tools/testing/selftests/net/big_tcp_tunnels.sh
+++ b/tools/testing/selftests/net/big_tcp_tunnels.sh
@@ -17,11 +17,18 @@ CLIENT_IP6="2001:db8::1:2"
CLIENT_IP4_TUN="192.168.2.2"
CLIENT_IP6_TUN="2001:db8::2:2"
-: "${PACKETS_THRESHOLD:=1000}"
-
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+if [ -z "$PACKETS_THRESHOLD" ]; then
+ if [ "$KSFT_MACHINE_SLOW" = yes ]; then
+ echo 'Debug kernel detected, lowering the default threshold'
+ PACKETS_THRESHOLD=100
+ else
+ PACKETS_THRESHOLD=1000
+ fi
+fi
+
setup() {
ip netns add "$SERVER_NS"
ip netns add "$CLIENT_NS"
--
2.55.0
