Successfully identified regression in *llvm* in CI configuration tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O2. So far, this commit has regressed CI configurations: - tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O2

Culprit: <cut> commit 2db8461a9492cb64046a085f35048b9c4e45bfc2 Author: Raphael Isemann teemperor@gmail.com Date: Tue Aug 10 16:15:57 2021 +0200

[lldb][NFC] Fix inversed documentation of Process::GetID/SetID </cut>

Results regressed to (for first_bad == 2db8461a9492cb64046a085f35048b9c4e45bfc2) # 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 -- -O2 artifacts/build-2db8461a9492cb64046a085f35048b9c4e45bfc2/results_id: 1 # 453.povray,[.] _ZN3povL24All_Sphere_IntersectionsEPNS_13Objec regressed by 116

from (for last_good == 9900af52f6b186a260d83321791177728fb369c5) # 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 -- -O2 artifacts/build-9900af52f6b186a260d83321791177728fb369c5/results_id: 1

Artifacts of last_good build: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Results ID of last_good: tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O2/3417 Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Results ID of first_bad: tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O2/3391 Build top page/logs: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a...

Configuration details:

Reproduce builds: <cut> mkdir investigate-llvm-2db8461a9492cb64046a085f35048b9c4e45bfc2 cd investigate-llvm-2db8461a9492cb64046a085f35048b9c4e45bfc2

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-a... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... --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 2db8461a9492cb64046a085f35048b9c4e45bfc2 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach 9900af52f6b186a260d83321791177728fb369c5 ../artifacts/test.sh

cd .. </cut>

History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...

Artifacts: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Build log: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a...

Full commit (up to 1000 lines): <cut> commit 2db8461a9492cb64046a085f35048b9c4e45bfc2 Author: Raphael Isemann teemperor@gmail.com Date: Tue Aug 10 16:15:57 2021 +0200

[lldb][NFC] Fix inversed documentation of Process::GetID/SetID --- lldb/include/lldb/Target/Process.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lldb/include/lldb/Target/Process.h b/lldb/include/lldb/Target/Process.h index aaa2470d2931..8dcc15b1667b 100644 --- a/lldb/include/lldb/Target/Process.h +++ b/lldb/include/lldb/Target/Process.h @@ -536,13 +536,13 @@ public:

uint32_t GetAddressByteSize() const;

+ /// Returns the pid of the process or LLDB_INVALID_PROCESS_ID if there is + /// no known pid. + lldb::pid_t GetID() const { return m_pid; } + /// Sets the stored pid. /// /// This does not change the pid of underlying process. - lldb::pid_t GetID() const { return m_pid; } - - /// Returns the pid of the process or LLDB_INVALID_PROCESS_ID if there is - /// no known pid. void SetID(lldb::pid_t new_pid) { m_pid = new_pid; }

uint32_t GetUniqueID() const { return m_process_unique_id; } </cut>