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Date:   Tue, 30 Apr 2019 23:21:01 +1000
From:   Michael Ellerman <>
To:     Daniel Borkmann <>
Subject: selftests/bpf/test_tag takes ~30 minutes?

Hi Daniel,

I'm running selftests/bpf/test_tag and it's taking roughly half an hour
to complete, is that expected?

I don't really grok what the test is doing TBH, but it does appear to be
doing it 5 times :)

	for (i = 0; i < 5; i++) {
		do_test(&tests, 2, -1,     bpf_gen_imm_prog);
		do_test(&tests, 3, fd_map, bpf_gen_map_prog);

Could we make it just do one iteration by default? That would hopefully
reduce the runtime by quite a bit. It could take a parameter to run the
longer version perhaps?


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