Daniel Borkmann <daniel@xxxxxxxxxxxxx> writes:
> On 04/30/2019 03:21 PM, Michael Ellerman wrote:
>> 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?
>
> On my 2.5 years old laptop it's taking 16 seconds. ;)
Hrm. I guess I need to dig into why it's taking so long then :)
Today it takes 10s on the same machine :/
Is it affected by the BPF JIT being enabled/disabled?
cheers
