On Mon, Aug 24, 2020 at 3:28 PM Yonghong Song <yhs@xxxxxx> wrote: > > Currently test_sk_assign failed verifier with llvm11/llvm12. > During debugging, I found the default verifier output is > truncated like below > Verifier analysis: > > Skipped 2200 bytes, use 'verb' option for the full verbose log. > [...] > off=23,r=34,imm=0) R5=inv0 R6=ctx(id=0,off=0,imm=0) R7=pkt(id=0,off=0,r=34,imm=0) R10=fp0 > 80: (0f) r7 += r2 > last_idx 80 first_idx 21 > regs=4 stack=0 before 78: (16) if w3 == 0x11 goto pc+1 > when I am using "./test_progs -vv -t assign". > > The reason is tc verbose mode is not enabled. > > This patched enabled tc verbose mode and the output looks like below > Verifier analysis: > > 0: (bf) r6 = r1 > 1: (b4) w0 = 2 > 2: (61) r1 = *(u32 *)(r6 +80) > 3: (61) r7 = *(u32 *)(r6 +76) > 4: (bf) r2 = r7 > 5: (07) r2 += 14 > 6: (2d) if r2 > r1 goto pc+61 > R0_w=inv2 R1_w=pkt_end(id=0,off=0,imm=0) R2_w=pkt(id=0,off=14,r=14,imm=0) > ... > > Signed-off-by: Yonghong Song <yhs@xxxxxx> Applied. Thanks
