Jiong Wang wrote:
It will be great if you could test the latest set on PowerPC to see if
there is any regression for example for those under test_progs and
test_verifier.
With test_bpf, I am seeing a few failures with this patchset.
And it will be even greater if you also use latest llvm snapshot for the
testing, which then will enable test_progs_32 etc.
Is a newer llvm a dependency? Or, is this also expected to work with
older llvm levels?
The set of tests that are failing are listed further below. I looked
into MUL_X2 and it looks like zero extension for the two initial ALU32
loads (-1) are being removed, resulting in the failure.
I didn't get to look into this in detail -- am I missing something?
- Naveen
---
$ cat ~/jit_fail.out | grep -v "JIT code" | grep -B4 FAIL
test_bpf: #38 INT: MUL_X2 Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=9 proglen=64 pass=3 image=d000000006bfca9c from=insmod pid=8923
jited:1 ret -1 != 1 FAIL (1 times)
test_bpf: #39 INT: MUL32_X
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=9 proglen=64 pass=3 image=d000000006c335fc from=insmod pid=8923
jited:1 ret -1 != 1 FAIL (1 times)
test_bpf: #49 INT: shifts by register
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=30 proglen=192 pass=3 image=d000000006eb80e4 from=insmod pid=8923
jited:1 ret -1234 != -1 FAIL (1 times)
test_bpf: #68 ALU_MOV_K: 0x0000ffffffff0000 = 0x00000000ffffffff
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=76 pass=3 image=d000000007290e48 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #75 ALU_ADD_X: 2 + 4294967294 = 0
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=64 pass=3 image=d0000000074537b0 from=insmod pid=8923
jited:1 ret 0 != 1 FAIL (1 times)
test_bpf: #82 ALU_ADD_K: 4294967294 + 2 = 0
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=8 proglen=60 pass=3 image=d00000000761af8c from=insmod pid=8923
jited:1 ret 0 != 1 FAIL (1 times)
test_bpf: #83 ALU_ADD_K: 0 + (-1) = 0x00000000ffffffff
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=64 pass=3 image=d0000000076579dc from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #86 ALU_ADD_K: 0 + 0x80000000 = 0x80000000
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=64 pass=3 image=d000000007719958 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #87 ALU_ADD_K: 0 + 0x80008000 = 0x80008000
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=72 pass=3 image=d000000007752510 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #118 ALU_MUL_K: 1 * (-1) = 0x00000000ffffffff
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=10 proglen=64 pass=3 image=d000000007f184f8 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #371 JNE signed compare, test 1
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=8 proglen=60 pass=3 image=d000000002394ab8 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
test_bpf: #372 JNE signed compare, test 2
Pass 1: shrink = 0, seen = 0x0
Pass 2: shrink = 0, seen = 0x0
flen=8 proglen=60 pass=3 image=d0000000023d98b4 from=insmod pid=8923
jited:1 ret 2 != 1 FAIL (1 times)
Pass 1: shrink = 0, seen = 0x18
Pass 2: shrink = 0, seen = 0x18
flen=13 proglen=92 pass=3 image=d0000000025105f8 from=insmod pid=8923
jited:1 12 PASS
test_bpf: Summary: 366 PASSED, 12 FAILED, [366/366 JIT'ed]
