Successfully identified regression in *llvm* in CI configuration
tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O3. So far, this commit has
regressed CI configurations:
- tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O3
Culprit:
<cut>
commit 0fb299072c5b26396ab84002445570f296be44b3
Author: Jez Ng <je...@fb.com>
Date: Sun Jul 11 21:34:31 2021 -0400
[lld-macho][nfc] Fix YAML input in compact-unwind-sym-relocs.s
* Adjust strsize so llvm-objdump doesn't complain about it extending
past the end of file
* Remove symbol that was referencing a deleted section
* Adjust n_sect of the remaining `_main` symbol to point at the right
section
</cut>
Results regressed to (for first_bad == 0fb299072c5b26396ab84002445570f296be44b3)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer:
-5
# build_llvm true:
-3
# true:
0
# benchmark -- -O3
artifacts/build-0fb299072c5b26396ab84002445570f296be44b3/results_id:
1
# 433.milc,milc_base.default regressed by 105
# 433.milc,[.] mult_su3_mat_vec regressed by 132
from (for last_good == a7b7b5dfe5a931a76cbe8410e5a9f55beea73c8e)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer:
-5
# build_llvm true:
-3
# true:
0
# benchmark -- -O3
artifacts/build-a7b7b5dfe5a931a76cbe8410e5a9f55beea73c8e/results_id:
1
Artifacts of last_good build:
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/build-a7b7b5dfe5a931a76cbe8410e5a9f55beea73c8e/
Results ID of last_good:
tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O3/2801
Artifacts of first_bad build:
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/build-0fb299072c5b26396ab84002445570f296be44b3/
Results ID of first_bad:
tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O3/2794
Build top page/logs:
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-llvm-0fb299072c5b26396ab84002445570f296be44b3
cd investigate-llvm-0fb299072c5b26396ab84002445570f296be44b3
git clone https://git.linaro.org/toolchain/jenkins-scripts
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/manifests/build-baseline.sh
--fail
curl -o artifacts/manifests/build-parameters.sh
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/manifests/build-parameters.sh
--fail
curl -o artifacts/test.sh
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/test.sh
--fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_bmk-build.sh @@ artifacts/manifests/build-baseline.sh
# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/
--exclude /llvm/ ./ ./bisect/baseline/
cd llvm
# Reproduce first_bad build
git checkout --detach 0fb299072c5b26396ab84002445570f296be44b3
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach a7b7b5dfe5a931a76cbe8410e5a9f55beea73c8e
../artifacts/test.sh
cd ..
</cut>
History of pending regressions and results:
https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/ci/tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O3
Artifacts:
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/artifact/artifacts/
Build log:
https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-aarch64-spec2k6-O3/12/consoleText
Full commit (up to 1000 lines):
<cut>
commit 0fb299072c5b26396ab84002445570f296be44b3
Author: Jez Ng <je...@fb.com>
Date: Sun Jul 11 21:34:31 2021 -0400
[lld-macho][nfc] Fix YAML input in compact-unwind-sym-relocs.s
* Adjust strsize so llvm-objdump doesn't complain about it extending
past the end of file
* Remove symbol that was referencing a deleted section
* Adjust n_sect of the remaining `_main` symbol to point at the right
section
---
lld/test/MachO/compact-unwind-sym-relocs.s | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/lld/test/MachO/compact-unwind-sym-relocs.s
b/lld/test/MachO/compact-unwind-sym-relocs.s
index e87c3330841a..ff0896fd0daf 100644
--- a/lld/test/MachO/compact-unwind-sym-relocs.s
+++ b/lld/test/MachO/compact-unwind-sym-relocs.s
@@ -76,7 +76,7 @@ LoadCommands:
content:
'0000000000000000010000000000020200000000000000000000000000000000'
relocations:
- address: 0x00000000
- symbolnum: 1
+ symbolnum: 0
pcrel: false
length: 3
extern: true
@@ -86,16 +86,11 @@ LoadCommands:
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 520
- nsyms: 2
+ nsyms: 1
stroff: 552
- strsize: 24
+ strsize: 8
LinkEditData:
NameList:
- - n_strx: 8
- n_type: 0x0E
- n_sect: 2
- n_desc: 0
- n_value: 8
- n_strx: 2
n_type: 0x0F
n_sect: 1
</cut>
_______________________________________________
linaro-toolchain mailing list
linaro-toolchain@lists.linaro.org
https://lists.linaro.org/mailman/listinfo/linaro-toolchain
