linux-kernel - [PATCH net-next 3/3] selftests: mptcp: reset the last TS before the first test

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Message-Id: <20240902-net-next-mptcp-ksft-subtest-time-v1-3-f1ed499a11b1@kernel.org>
Date: Mon, 02 Sep 2024 13:13:06 +0200
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Subject: [PATCH net-next 3/3] selftests: mptcp: reset the last TS before
 the first test

Just to slightly improve the precision of the duration of the first
test.

In mptcp_join.sh, the last append_prev_results is now done as soon as
the last test is over: this will add the last result in the list, and
get a more precise time for this last test.

Reviewed-by: Mat Martineau <martineau@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/mptcp/mptcp_connect.sh | 2 ++
 tools/testing/selftests/net/mptcp/mptcp_join.sh    | 3 ++-
 tools/testing/selftests/net/mptcp/mptcp_sockopt.sh | 1 +
 tools/testing/selftests/net/mptcp/pm_netlink.sh    | 2 ++
 tools/testing/selftests/net/mptcp/simult_flows.sh  | 1 +
 tools/testing/selftests/net/mptcp/userspace_pm.sh  | 1 +
 6 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index f61e2f5870ea..49d90c4dbc01 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -847,6 +847,8 @@ stop_if_error()
 make_file "$cin" "client"
 make_file "$sin" "server"
 
+mptcp_lib_subtests_last_ts_reset
+
 check_mptcp_disabled
 
 stop_if_error "The kernel configuration is not valid for MPTCP"
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index a4762c49a878..c31387b74010 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3883,9 +3883,11 @@ if [ ${#tests[@]} -eq 0 ]; then
 	tests=("${all_tests_names[@]}")
 fi
 
+mptcp_lib_subtests_last_ts_reset
 for subtests in "${tests[@]}"; do
 	"${subtests}"
 done
+append_prev_results
 
 if [ ${ret} -ne 0 ]; then
 	echo
@@ -3896,7 +3898,6 @@ if [ ${ret} -ne 0 ]; then
 	echo
 fi
 
-append_prev_results
 mptcp_lib_result_print_all_tap
 
 exit $ret
diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
index 68899a303a1a..5e8d5b83e2d0 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
@@ -349,6 +349,7 @@ init
 make_file "$cin" "client" 1
 make_file "$sin" "server" 1
 trap cleanup EXIT
+mptcp_lib_subtests_last_ts_reset
 
 run_tests $ns1 $ns2 10.0.1.1
 run_tests $ns1 $ns2 dead:beef:1::1
diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index 2757378b1b13..2e6648a2b2c0 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -137,6 +137,8 @@ check()
 	fi
 }
 
+mptcp_lib_subtests_last_ts_reset
+
 check "show_endpoints" "" "defaults addr list"
 
 default_limits="$(get_limits)"
diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh
index f74e1c3c126d..8fa77c8e9b65 100755
--- a/tools/testing/selftests/net/mptcp/simult_flows.sh
+++ b/tools/testing/selftests/net/mptcp/simult_flows.sh
@@ -286,6 +286,7 @@ while getopts "bcdhi" option;do
 done
 
 setup
+mptcp_lib_subtests_last_ts_reset
 run_test 10 10 0 0 "balanced bwidth"
 run_test 10 10 1 25 "balanced bwidth with unbalanced delay"
 
diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh
index 9cb05978269d..3651f73451cf 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -150,6 +150,7 @@ mptcp_lib_events "${ns2}" "${client_evts}" client_evts_pid
 server_evts=$(mktemp)
 mptcp_lib_events "${ns1}" "${server_evts}" server_evts_pid
 sleep 0.5
+mptcp_lib_subtests_last_ts_reset
 
 print_title "Init"
 print_test "Created network namespaces ns1, ns2"

-- 
2.45.2