linaro-toolchain

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5599 discussions

by Peter Maydell

Progress: * UM-2 [QEMU upstream maintainership] - post-holiday catchup on email and code review - respin and resend of a patch fixing a bug in rdma code - sent a target-arm pull request * QEMU-292 [ARMv8.3 FEAT_NV, Nested Virtualization] - did an initial read-through of the relevant portions of the Arm ARM to identify the work required here thanks -- PMM

1 year, 8 months

Re: [Linaro-TCWG-CI] llvmorg-18-init-8757-gfd311126349b: Failure on aarch64

by Nick Desaulniers

Thanks for the report. Looks like Nathan has reported this, too (as have Google3 folks): https://github.com/llvm/llvm-project/commit/fd311126349b8fe1684d62154a9fa5a… On Wed, Oct 18, 2023 at 7:31 PM <ci_notify(a)linaro.org> wrote: > > Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain(a)lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. > > In CI config tcwg_kernel/llvm-master-aarch64-stable-defconfig after: > > | commit llvmorg-18-init-8757-gfd311126349b > | Author: Florian Hahn <flo(a)fhahn.com> > | Date: Tue Oct 17 19:17:40 2023 +0100 > | > | [VPlan] Insert Trunc/Exts for reductions directly in VPlan. > | > | Update the code to create Trunc/Ext recipes directly in > | adjustRecipesForReductions instead of fixing it up later in > | fixReductions. > | > | This explicitly models the required conversions and also makes sure they > | ... 2 lines of the commit log omitted. > > Results changed to > # reset_artifacts: > -10 > # build_abe binutils: > -9 > # build_kernel_llvm: > -5 > # build_abe qemu: > -2 > # linux_n_obj: > 8020 > # First few build errors in logs: > > # 00:12:40 clang: error: clang frontend command failed with exit code 134 (use -v to see invocation) > # 00:12:40 make[5]: *** [scripts/Makefile.build:243: drivers/platform/chrome/cros_ec_i2c.o] Error 1 > # 00:13:18 make[4]: *** [scripts/Makefile.build:480: drivers/platform/chrome] Error 2 > # 00:13:18 make[3]: *** [scripts/Makefile.build:480: drivers/platform] Error 2 > # 00:13:37 clang: error: clang frontend command failed with exit code 134 (use -v to see invocation) > # 00:13:37 make[7]: *** [scripts/Makefile.build:243: drivers/net/ethernet/intel/igb/igb_main.o] Error 1 > # 00:13:46 make[6]: *** [scripts/Makefile.build:480: drivers/net/ethernet/intel/igb] Error 2 > # 00:13:53 make[5]: *** [scripts/Makefile.build:480: drivers/net/ethernet/intel] Error 2 > # 00:16:54 make[4]: *** [scripts/Makefile.build:480: drivers/net/ethernet] Error 2 > # 00:16:54 make[3]: *** [scripts/Makefile.build:480: drivers/net] Error 2 > > From > # reset_artifacts: > -10 > # build_abe binutils: > -9 > # build_kernel_llvm: > -5 > # build_abe qemu: > -2 > # linux_n_obj: > 9166 > # linux build successful: > all > # linux boot successful: > boot > > The configuration of this build is: > CI config tcwg_kernel/llvm-master-aarch64-stable-defconfig > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig… > Reference build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig… > > Reproduce last good and first bad builds: https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/s… > > Full commit : https://github.com/llvm/llvm-project/commit/fd311126349b8fe1684d62154a9fa5a… > > Latest bug report status : https://linaro.atlassian.net/browse/LLVM-1007 > > List of configurations that regressed due to this commit : > * tcwg_kernel > ** llvm-master-aarch64-stable-defconfig > *** Failure > *** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/s… > *** https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig… -- Thanks, ~Nick Desaulniers

1 year, 8 months

[ACTIVITY] Report for week #41

by Thiago Jung Bauermann

Hello, # TCWG CI - Flakiness in gdb.base/gdb-sigterm.exp causes false positives on tcwg_check_gdb--master-arm-precommit, so started investigating its failures. - Investigated regressions reported by the CI: - GCC regression GNU-935: Not a real regression, just already existing failures being reported for a new version of the C++ standard. - linux-next regression GNU-936: Fixed in the newest linux-next tree. - GCC regression GNU-962: Opened GCC bug 111802 ("New analyser diagram failures since commit b365e9d57ad4"). - GCC regression GNU-965: Arm already opened GCC bug 111784 ("[14 Regression] aarch64: ldp_stp_{15,16,17,18}.c test failures since r14-4579.") about this issue. - GCC regression GNU-966: This problem has been fixed in trunk. - linux-next regression GNU-967: A patch was sent to fix the error. # [GNU-767] Support changing SVE vector length in remote debugging - Working on adapting gdbserver's regcache to support registers with a variable size. - Also enabling the target description XML to express vector register sizes in terms of another register. -- Thiago

1 year, 8 months

Re: WoA machines in the lab

by Lina Iyer

+ linaro-toolchain(a)lists.linaro.org Could someone help with this information in Maxim's absence ? Thanks, Lina On Tue, Oct 10 2023 at 10:07 -0600, Lina Iyer wrote: >Hi Maxim, > >Do you have a list of machines and who provided us with those machines >that we use for WoA projects? I see the list in [1] but not where we got >them from. Marcus from MS was asking for a list of MS provided machines >that we have in use. > >Thanks, >Lina > >[1]. >https://linaro.atlassian.net/wiki/spaces/TCWG/pages/22395192116/Accessing+W…

1 year, 8 months

Fwd: [Linaro-TCWG-CI] llvmorg-18-init-7933-ge13bed4c5f35: slowed down by 6% - 464.h264ref on aarch64 O2

by Maxim Kuvyrkov

Hi Dmitriy, Linaro Benchmarking CI has flagged several interesting code-speed and code-size regressions for your patch -- see [1]. In particular, could you check if below regressions can be avoided: - grew in size by 21% - 473.astar:[.] _ZN7way2obj12releasepointEii - slowed down by 61% - 505.mcf_r:[.] price_out_impl Both of these are for 32-bit ARM, but AArch64 also has code-speed and code-size regressions. Let me know if you need any assistance in reproducing these problems. [1] https://linaro.atlassian.net/browse/LLVM-1001 Kind regards, -- Maxim Kuvyrkov https://www.linaro.org > Begin forwarded message: > > From: ci_notify(a)linaro.org > Subject: [Linaro-TCWG-CI] llvmorg-18-init-7933-ge13bed4c5f35: slowed down by 6% - 464.h264ref on aarch64 O2 > Date: October 8, 2023 at 04:26:39 GMT+4 > To: maxim.kuvyrkov(a)linaro.org > Reply-To: linaro-toolchain(a)lists.linaro.org > > Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain(a)lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. > > In CI config tcwg_bmk-code_speed-spec2k6/llvm-aarch64-master-O2 after: > > | commit llvmorg-18-init-7933-ge13bed4c5f35 > | Author: Dmitriy Smirnov <dmitriy.smirnov(a)arm.com> > | Date: Fri Oct 6 11:15:00 2023 +0100 > | > | [PATCH] [llvm] [InstCombine] Canonicalise ADD+GEP > | > | This patch tries to canonicalise add + gep to gep + gep. > | > | Co-authored-by: Paul Walker <paul.walker(a)arm.com> > | > | Reviewed By: nikic > | ... 2 lines of the commit log omitted. > > the following benchmarks slowed down by more than 3%: > - slowed down by 6% - 464.h264ref - from 11126 to 11766 perf samples > the following hot functions slowed down by more than 15% (but their benchmarks slowed down by less than 3%): > - slowed down by 44% - 464.h264ref:[.] FastFullPelBlockMotionSearch - from 1531 to 2206 perf samples > > The configuration of this build is: > Below reproducer instructions can be used to re-build both "first_bad" and "last_good" cross-toolchains used in this bisection. Naturally, the scripts will fail when triggerring benchmarking jobs if you don\'t have access to Linaro TCWG CI. > > Configuration: > - Benchmark: > - Toolchain: Clang + Glibc + LLVM Linker > - Version: all components were built from their tip of trunk > - Target: aarch64-linux-gnu > - Compiler flags: O2 > - Hardware: NVidia TX1 4x Cortex-A57 > > This benchmarking CI is work-in-progress, and we welcome feedback and suggestions at linaro-toolchain(a)lists.linaro.org . In our improvement plans is to add support for SPEC CPU2017 benchmarks and provide "perf report/annotate" data behind these reports. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : https://ci.linaro.org/job/tcwg_bmk-code_speed-spec2k6--llvm-aarch64-master-… > Reference build : https://ci.linaro.org/job/tcwg_bmk-code_speed-spec2k6--llvm-aarch64-master-… > > Reproduce last good and first bad builds: https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/s… > > Full commit : https://github.com/llvm/llvm-project/commit/e13bed4c5f3544c076ce57e36d9a11e… > > Latest bug report status : https://linaro.atlassian.net/browse/LLVM-1001 > > List of configurations that regressed due to this commit : > * tcwg_bmk-code_speed-spec2k6 > ** llvm-aarch64-master-O2 > *** slowed down by 6% - 464.h264ref > *** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/s… > *** https://ci.linaro.org/job/tcwg_bmk-code_speed-spec2k6--llvm-aarch64-master-…

1 year, 8 months

[ACTIVITY] Report for weeks #37 to #40

by Thiago Jung Bauermann

Hello, Attended two events in a row in September, so had a bit of a time crunch and the weekly report fell through the cracks... # TCWG CI - Investigated and fixed a few false positives in the GDB precommit CI which were caused by random failures in gdb.threads/process-dies-while-detaching.exp. Posted upstream and later committed patch fixing the testcase to be more stable. - After conversations during GNU Tools Cauldron and following Maxim's suggestion, changed Linaro's CI to use the read1 library while running the GDB testsuite to improve the stability of its results. - After review from Tom Tromey, posted v2 and later committed a patch which adds '--with-additional-debug-dirs' configure option. - Committed a couple of changes to our CI scripts which make sure that the kernel.yama.ptrace_scope and kernel.core_pattern sysctls have correct values for running the GDB testsuite. # [GNU-767] Support changing SVE vector length in remote debugging - Now that Luis pushed his SME and SME2 patches, merged current GDB main branch into my local branch. It builds but doesn't work yet. # GDB Upstream - Reviewed patch series "[PATCH v3 0/4] Dynamic properties of pointers". - Investigated upstream bugzilla "18898 - Cannot specify non-default list of directories as argument of --with-auto-load-dir on Windows", but concluded it's an autoconf limitation that isn't easy to fix. # Misc - Prepared for Linaro's Employees Meeting. - Attended GNU Tools Cauldron. - Took a few days of vacation. -- Thiago

1 year, 8 months

Re: [Linaro-TCWG-CI] 13 patches in glibc: FAIL: 7 regressions

by Maxim Kuvyrkov

Hi Arjun, Please ignore this report. We had a new machine added to the testing pool, and it behaved differently than the others. -- Maxim Kuvyrkov https://www.linaro.org > On Oct 4, 2023, at 22:30, ci_notify(a)linaro.org wrote: > > Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain(a)lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. > > In CI config tcwg_glibc_check/master-arm after: > > | 13 patches in glibc > | Patchwork URL: https://patchwork.sourceware.org/patch/76970 > | 72a0ec189c Move 'rpc' routines from 'inet' into 'nss' > | e9e10ad39b Move 'protocols' routines from 'inet' into 'nss' > | e0694af485 Move 'networks' routines from 'inet' into 'nss' > | 547bcf6d44 Move 'netgroup' routines from 'inet' into 'nss' > | 6c43eb641a Move 'hosts' routines from 'inet' into 'nss' > | ... and 8 more patches in glibc > | ... applied on top of baseline commit: > | 1056e5b4c3 tunables: Terminate if end of input is reached (CVE-2023-4911) > > FAIL: 7 regressions > > regressions.sum: > === glibc tests === > > Running glibc:io ... > FAIL: io/tst-close_range > > Running glibc:misc ... > FAIL: misc/tst-epoll > FAIL: misc/tst-epoll-time64 > FAIL: misc/tst-mount > FAIL: misc/tst-process_mrelease > ... and 6 more entries > > You can find the failure logs in *.log.1.xz files in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/802/artifa… . > The full lists of regressions and progressions are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/802/artifa… . > The list of [ignored] baseline and flaky failures are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/802/artifa… . > > > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/802/artifa… > Reference build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-build/650/artifact/a…

1 year, 8 months

Re: [Linaro-TCWG-CI] glibc patch #77093: FAIL: 5 regressions

by Maxim Kuvyrkov

Hi Joe, Please ignore this report. We had a new machine added to the testing pool, and it behaved differently than the others. -- Maxim Kuvyrkov https://www.linaro.org > On Oct 4, 2023, at 22:32, ci_notify(a)linaro.org wrote: > > Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain(a)lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. > > In CI config tcwg_glibc_check/master-arm after: > > | glibc patch https://patchwork.sourceware.org/patch/77093 > | Author: Joe Ramsay <Joe.Ramsay(a)arm.com> > | Date: Wed Oct 4 11:58:09 2023 +0100 > | > | aarch64: Improve vecmath sin routines > | > | * Update ULP comment reflecting a new observed max in [-pi/2, pi/2] > | * Use the same polynomial in AdvSIMD and SVE, rather than FTRIG instructions > | * Improve register use near special-case branch > | > | Also use overloaded intrinsics for SVE. > | ... applied on top of baseline commit: > | 1056e5b4c3 tunables: Terminate if end of input is reached (CVE-2023-4911) > > FAIL: 5 regressions > > regressions.sum: > === glibc tests === > > Running glibc:io ... > FAIL: io/tst-close_range > > Running glibc:misc ... > FAIL: misc/tst-epoll > FAIL: misc/tst-epoll-time64 > FAIL: misc/tst-mount > FAIL: misc/tst-process_mrelease > ... and 2 more entries > > You can find the failure logs in *.log.1.xz files in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/810/artifa… . > The full lists of regressions and progressions are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/810/artifa… . > The list of [ignored] baseline and flaky failures are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/810/artifa… . > > > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/810/artifa… > Reference build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-build/650/artifact/a…

1 year, 8 months

Re: [Linaro-TCWG-CI] glibc patch #77054: FAIL: 5 regressions

by Maxim Kuvyrkov

Hi Siddhesh, Please ignore this report. We had a new machine added to the testing pool, and it behaved differently than the others. -- Maxim Kuvyrkov https://www.linaro.org > On Oct 4, 2023, at 22:33, ci_notify(a)linaro.org wrote: > > Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain(a)lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. > > In CI config tcwg_glibc_check/master-arm after: > > | glibc patch https://patchwork.sourceware.org/patch/77054 > | Author: Siddhesh Poyarekar <siddhesh(a)sourceware.org> > | Date: Tue Oct 3 16:11:50 2023 -0400 > | > | Make all malloc tunables SXID_ERASE > | > | The malloc tunables were made SXID_IGNORE to mimic the environment > | variables they aliased, in order to maintain compatibility. This > | allowed alteration of allocator behaviour across setuid boundaries, > | where a setuid program may ignore the tunable but its non-setuid child > | can read it and adjust allocator behaviour accordingly. > | ... 10 lines of the commit log omitted. > | ... applied on top of baseline commit: > | 1056e5b4c3 tunables: Terminate if end of input is reached (CVE-2023-4911) > > FAIL: 5 regressions > > regressions.sum: > === glibc tests === > > Running glibc:io ... > FAIL: io/tst-close_range > > Running glibc:misc ... > FAIL: misc/tst-epoll > FAIL: misc/tst-epoll-time64 > FAIL: misc/tst-mount > FAIL: misc/tst-process_mrelease > ... and 2 more entries > > You can find the failure logs in *.log.1.xz files in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/806/artifa… . > The full lists of regressions and progressions are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/806/artifa… . > The list of [ignored] baseline and flaky failures are in > - https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/806/artifa… . > > > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-precommit/806/artifa… > Reference build : https://ci.linaro.org/job/tcwg_glibc_check--master-arm-build/650/artifact/a…

1 year, 8 months

Regarding installation

by Ashu Jain

We are installing SDK we need some details regarding linaro toolchain

1 year, 8 months

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