On 03/30/2019 01:16 AM, Alexei Starovoitov wrote: > Add 3 basic tests that stress verifier scalability. > > test_verif_scale1.c calls non-inlined jhash() function 90 times on > different position in the packet. > This test simulates network packet parsing. > jhash function is ~140 instructions and main program is ~1200 insns. > > test_verif_scale2.c force inlines jhash() function 90 times. > This program is ~15k instructions long. > > test_verif_scale3.c calls non-inlined jhash() function 90 times on > But this time jhash has to process 32-bytes from the packet > instead of 14-bytes in tests 1 and 2. > jhash function is ~230 insns and main program is ~1200 insns. > > $ test_progs -s > can be used to see verifier stats. > > Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> Do you also have some test cases with actual 1M insns resp. such that hit the new complexity limit to check timing / resources it consumes? I think these would be good to have as well as part of selftests.
