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Commit 424c5bd4 authored by Vlad Buslov's avatar Vlad Buslov Committed by David S. Miller
Browse files

selftests: concurrency: add test to verify concurrent replace 



Implement test that verifies concurrent replacement of rules by executing
10 tc instances that replace flower filters in same handle range.

Extend tdc_multibatch.py script with new optional CLI argument that is used
to generate all batch files with same filter handle range.

Signed-off-by: default avatarVlad Buslov <vladbu@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4ba21de2

tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json

+25 −0
Original line number Diff line number Diff line
@@ -71,5 +71,30 @@ 
            "$TC qdisc del dev $DEV2 ingress",

            "/bin/rm -rf $BATCH_DIR"

        ]

    },

    {

        "id": "14be",

        "name": "Concurrently replace same range of 100k flower filters from 10 tc instances",

        "category": [

            "filter",

            "flower",

            "concurrency"

        ],

        "setup": [

            "/bin/mkdir $BATCH_DIR",

            "$TC qdisc add dev $DEV2 ingress",

            "./tdc_multibatch.py $DEV2 $BATCH_DIR 100000 1 add",

            "$TC -b $BATCH_DIR/add_0",

            "./tdc_multibatch.py -d $DEV2 $BATCH_DIR 100000 10 replace"

        ],

        "cmdUnderTest": "find $BATCH_DIR/replace* -print | xargs -n 1 -P 10 $TC -b",

        "expExitCode": "0",

        "verifyCmd": "$TC -s filter show dev $DEV2 ingress",

        "matchPattern": "filter protocol ip pref 1 flower chain 0 handle",

        "matchCount": "100000",

        "teardown": [

            "$TC qdisc del dev $DEV2 ingress",

            "/bin/rm -rf $BATCH_DIR"

        ]

    }

]

tools/testing/selftests/tc-testing/tdc_multibatch.py

+8 −1
Original line number Diff line number Diff line
@@ -21,6 +21,11 @@ parser.add_argument( 
    "operation",

    choices=['add', 'del', 'replace'],

    help="operation to perform on filters")

parser.add_argument(

    "-d",

    "--duplicate_handles",

    action="store_true",

    help="duplicate filter handle range in all files")

args = parser.parse_args()



device = args.device
@@ -29,10 +34,12 @@ file_prefix = args.operation + "_" 
num_filters = args.num_filters

num_files = args.num_files

operation = args.operation

duplicate_handles = args.duplicate_handles

handle = 1



for i in range(num_files):

    file = dir + '/' + file_prefix + str(i)

    os.system("./tdc_batch.py -n {} -a {} -e {} -m {} {} {}".format(

        num_filters, handle, operation, i, device, file))

    if not duplicate_handles:

        handle += num_filters