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selftests: concurrency: add test to verify concurrent delete

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Implement test that verifies concurrent deletion of rules by executing 10
tc instances that delete flower filters in same handle range. In this case
only one tc instance succeeds in deleting a filter with particular handle.
To mitigate expected failures of all other instances, run tc with 'force'
option to continue processing batch file in case of errors and expect xargs
to return code '123' that indicates that invocation of command(s) exited
with error in range 1-125.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Buslov 2019-02-22 16:00:45 +02:00 committed by David S. Miller
parent 424c5bd46a
commit a788b302c5
1 changed files with 25 additions and 0 deletions
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25
tools/testing/selftests/tc-testing/tc-tests/filters/concurrency.json
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@ -96,5 +96,30 @@
"$TC qdisc del dev $DEV2 ingress",
"/bin/rm -rf $BATCH_DIR"
]
},
{
"id": "0c44",
"name": "Concurrently delete 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 del"
],
"cmdUnderTest": "find $BATCH_DIR/del* -print | xargs -n 1 -P 10 $TC -f -b",
"expExitCode": "123",
"verifyCmd": "$TC -s filter show dev $DEV2 ingress",
"matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
"matchCount": "0",
"teardown": [
"$TC qdisc del dev $DEV2 ingress",
"/bin/rm -rf $BATCH_DIR"
]
}
]