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Date: Fri, 16 Sep 2022 17:44:02 -0300
From: Victor Nogueira <victor@...atatu.com>
To: Zhengchao Shao <shaozhengchao@...wei.com>
Cc: netdev@...r.kernel.org, cake@...ts.bufferbloat.net,
linux-kselftest@...r.kernel.org, jhs@...atatu.com,
xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
toke@...e.dk, vinicius.gomes@...el.com, stephen@...workplumber.org,
shuah@...nel.org, zhijianx.li@...el.com, weiyongjun1@...wei.com,
yuehaibing@...wei.com
Subject: Re: [PATCH net-next 13/18] selftests/tc-testings: add selftests for
netem qdisc
On Fri, Sep 16, 2022 at 12:04 AM Zhengchao Shao
<shaozhengchao@...wei.com> wrote:
>
> Test cb28: Create NETEM with default setting
> Test a089: Create NETEM with limit flag
> Test 3449: Create NETEM with delay time
> Test 3782: Create NETEM with distribution and corrupt flag
> Test a932: Create NETEM with distribution and duplicate flag
> Test e01a: Create NETEM with distribution and loss state flag
> Test ba29: Create NETEM with loss gemodel flag
> Test 0492: Create NETEM with reorder flag
> Test 7862: Create NETEM with rate limit
> Test 7235: Create NETEM with multiple slot rate
> Test 5439: Create NETEM with multiple slot setting
> Test 5029: Change NETEM with loss state
> Test 3785: Replace NETEM with delay time
> Test 4502: Delete NETEM with handle
> Test 0785: Show NETEM class
>
> Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
> ---
> .../tc-testing/tc-tests/qdiscs/netem.json | 372 ++++++++++++++++++
> 1 file changed, 372 insertions(+)
> create mode 100644 tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json
>
> diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json
> new file mode 100644
> index 000000000000..c8ce7883bd9f
> --- /dev/null
> +++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json
> @@ -0,0 +1,372 @@
> +[
> + {
> + "id": "cb28",
> + "name": "Create NETEM with default setting",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ limit",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "a089",
> + "name": "Create NETEM with limit flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem limit 200",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ limit 200",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "3449",
> + "name": "Create NETEM with delay time",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "3782",
> + "name": "Create NETEM with distribution and corrupt flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal corrupt 1%",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms 10ms corrupt 1%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "a932",
> + "name": "Create NETEM with distribution and duplicate flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal duplicate 1%",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms 10ms duplicate 1%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "a932",
Be careful, you are using ID a932 in the previous test case.
> + "name": "Create NETEM with distribution and loss flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution pareto loss 1%",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms 10ms loss 1%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "e01a",
> + "name": "Create NETEM with distribution and loss state flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution paretonormal loss state 1",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms 10ms loss state p13 1% p31 99% p32 0% p23 100% p14 0%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "ba29",
> + "name": "Create NETEM with loss gemodel flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem loss gemodel 1%",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*loss gemodel p 1%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "0492",
> + "name": "Create NETEM with reorder flag",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms reorder 2% gap 100",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*reorder 2%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "7862",
> + "name": "Create NETEM with rate limit",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem rate 20000",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*rate 20Kbit",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "7235",
> + "name": "Create NETEM with multiple slot rate",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem slot 10 200 packets 2000 bytes 9000",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*slot 10ns 200ns packets 2000 bytes 9000",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "5439",
> + "name": "Create NETEM with multiple slot setting",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem slot distribution pareto 1ms 0.1ms",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*slot distribution 1ms 100us",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "5029",
> + "name": "Change NETEM with loss state",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true",
> + "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal loss 1%"
> + ],
> + "cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal loss 2%",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*loss 2%",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "3785",
> + "name": "Replace NETEM with delay time",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true",
> + "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal loss 1%"
> + ],
> + "cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root netem delay 200ms 10ms",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 200ms 10ms",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "4502",
> + "name": "Delete NETEM with handle",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true",
> + "$TC qdisc add dev $DUMMY handle 1: root netem delay 100ms 10ms distribution normal"
> + ],
> + "cmdUnderTest": "$TC qdisc del dev $DUMMY handle 1: root",
> + "expExitCode": "0",
> + "verifyCmd": "$TC qdisc show dev $DUMMY",
> + "matchPattern": "qdisc netem 1: root refcnt [0-9]+ .*delay 100ms 10ms",
> + "matchCount": "0",
> + "teardown": [
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + },
> + {
> + "id": "0785",
> + "name": "Show NETEM class",
> + "category": [
> + "qdisc",
> + "netem"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$IP link add dev $DUMMY type dummy || /bin/true"
> + ],
> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root netem",
> + "expExitCode": "0",
> + "verifyCmd": "$TC class show dev $DUMMY",
> + "matchPattern": "class netem 1:",
> + "matchCount": "0",
> + "teardown": [
> + "$TC qdisc del dev $DUMMY handle 1: root",
> + "$IP link del dev $DUMMY type dummy"
> + ]
> + }
> +]
> --
> 2.17.1
>
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