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| H A D | test_sockmap.c | 328aa08a Wed May 13 14:14:44 CDT 2020 John Fastabend <john.fastabend@gmail.com> bpf: Selftests, break down test_sockmap into subtests
At the moment test_sockmap runs all 800+ tests ungrouped which is not
ideal because it makes it hard to see what is failing but also more
importantly its hard to confirm all cases are tested. Additionally,
after inspecting we noticed the runtime is bloated because we run
many duplicate tests. Worse some of these tests are known error cases
that wait for the recvmsg handler to timeout which creats long delays.
Also we noted some tests were not clearing their options and as a
result the following tests would run with extra and incorrect options.
Fix this by reorganizing test code so its clear what tests are running
and when. Then it becomes easy to remove duplication and run tests with
only the set of send/recv patterns that are relavent.
To accomplish this break test_sockmap into subtests and remove
unnecessary duplication. The output is more readable now and
the runtime reduced.
Now default output prints subtests like this,
$ ./test_sockmap
# 1/ 6 sockmap:txmsg test passthrough:OK
...
#22/ 1 sockhash:txmsg test push/pop data:OK
Pass: 22 Fail: 0
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/158939728384.15176.13601520183665880762.stgit@john-Precision-5820-Tower
328aa08a Wed May 13 14:14:44 CDT 2020 John Fastabend <john.fastabend@gmail.com> bpf: Selftests, break down test_sockmap into subtests
At the moment test_sockmap runs all 800+ tests ungrouped which is not
ideal because it makes it hard to see what is failing but also more
importantly its hard to confirm all cases are tested. Additionally,
after inspecting we noticed the runtime is bloated because we run
many duplicate tests. Worse some of these tests are known error cases
that wait for the recvmsg handler to timeout which creats long delays.
Also we noted some tests were not clearing their options and as a
result the following tests would run with extra and incorrect options.
Fix this by reorganizing test code so its clear what tests are running
and when. Then it becomes easy to remove duplication and run tests with
only the set of send/recv patterns that are relavent.
To accomplish this break test_sockmap into subtests and remove
unnecessary duplication. The output is more readable now and
the runtime reduced.
Now default output prints subtests like this,
$ ./test_sockmap
# 1/ 6 sockmap:txmsg test passthrough:OK
...
#22/ 1 sockhash:txmsg test push/pop data:OK
Pass: 22 Fail: 0
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/158939728384.15176.13601520183665880762.stgit@john-Precision-5820-Tower
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