Successfully identified regression in *gcc* in CI configuration
tcwg_bmk_gnu_tx1/gnu-master-aarch64-spec2k6-O3_LTO. So far, this commit has
regressed CI configurations:
- tcwg_bmk_gnu_tx1/gnu-master-aarch64-spec2k6-O3_LTO
Culprit:
<cut>
commit 39ed6a88c74db5412652f0167d03f71eca4f02fc
Author: Ian Lance Taylor <i...@golang.org>
Date: Tue May 18 18:28:17 2021 -0700
libgo: use Windows line endings in testwinsignal
</cut>
Results regressed to (for first_bad == 39ed6a88c74db5412652f0167d03f71eca4f02fc)
# 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
# true:
0
# benchmark -O3_LTO --
artifacts/build-39ed6a88c74db5412652f0167d03f71eca4f02fc/results_id:
1
# 453.povray,povray_base.default regressed by 103
from (for last_good == 01b2864757540d24c4e717a77b40b29369c064b2)
# 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
# true:
0
# benchmark -O3_LTO --
artifacts/build-01b2864757540d24c4e717a77b40b29369c064b2/results_id:
1
Artifacts of last_good build:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/artifact/artifacts/build-01b2864757540d24c4e717a77b40b29369c064b2/
Results ID of last_good:
tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-master-aarch64-spec2k6-O3_LTO/1130
Artifacts of first_bad build:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/artifact/artifacts/build-39ed6a88c74db5412652f0167d03f71eca4f02fc/
Results ID of first_bad:
tx1_64/tcwg_bmk_gnu_tx1/bisect-gnu-master-aarch64-spec2k6-O3_LTO/1096
Build top page/logs:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-gcc-39ed6a88c74db5412652f0167d03f71eca4f02fc
cd investigate-gcc-39ed6a88c74db5412652f0167d03f71eca4f02fc
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_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/artifact/artifacts/manifests/build-baseline.sh
--fail
curl -o artifacts/manifests/build-parameters.sh
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/artifact/artifacts/manifests/build-parameters.sh
--fail
curl -o artifacts/test.sh
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/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
cd gcc
# Reproduce first_bad build
git checkout --detach 39ed6a88c74db5412652f0167d03f71eca4f02fc
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 01b2864757540d24c4e717a77b40b29369c064b2
../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_gnu_tx1/gnu-master-aarch64-spec2k6-O3_LTO
Artifacts:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/artifact/artifacts/
Build log:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tx1-gnu-master-aarch64-spec2k6-O3_LTO/16/consoleText
Full commit (up to 1000 lines):
<cut>
commit 39ed6a88c74db5412652f0167d03f71eca4f02fc
Author: Ian Lance Taylor <i...@golang.org>
Date: Tue May 18 18:28:17 2021 -0700
libgo: use Windows line endings in testwinsignal
---
libgo/go/runtime/testdata/testwinsignal/main.go | 38 ++++++++++++-------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/libgo/go/runtime/testdata/testwinsignal/main.go
b/libgo/go/runtime/testdata/testwinsignal/main.go
index 1e7c9475fd6..d8cd884ffac 100644
--- a/libgo/go/runtime/testdata/testwinsignal/main.go
+++ b/libgo/go/runtime/testdata/testwinsignal/main.go
@@ -1,19 +1,19 @@
-package main
-
-import (
- "fmt"
- "os"
- "os/signal"
- "time"
-)
-
-func main() {
- c := make(chan os.Signal, 1)
- signal.Notify(c)
-
- fmt.Println("ready")
- sig := <-c
-
- time.Sleep(time.Second)
- fmt.Println(sig)
-}
+package main
+
+import (
+ "fmt"
+ "os"
+ "os/signal"
+ "time"
+)
+
+func main() {
+ c := make(chan os.Signal, 1)
+ signal.Notify(c)
+
+ fmt.Println("ready")
+ sig := <-c
+
+ time.Sleep(time.Second)
+ fmt.Println(sig)
+}
</cut>
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