== Progress == (4/10)
* TCWG-372 fix Cbuildv2 parsing to handle the new binutils-gdb repository (4/10)
- Completed Card with following commits.
commit e6e39f5d1f7963332b3d7dd2e4400de91847219c
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 16:08:17 2013 -0600
Correct get_toolname to work with unified repo: binutils-gdb.git
Secondary fixes required:
- Set config/binutils.conf and config/gdb.conf to use unified repo
binutils-gdb.git.
- Re-enable binutils-gdb.git in config/sources.conf.
- get_toolname now calls get_git_tool and determines the actual toolname
for binutils and gdb from the branch name if the repository is unified.
- Made all other usages of get_git_tool use get_toolname instead.
- checkout() now uses ${repo} as returned from get_git_repo as the git
repository instead of ${tool}.git. This allows a unified repository to
only be checked out once.
- The git parser now determines whether an http:// in a url means a git
service or an svn service.
- The git parser now returns branch names for launchpad urls with branches
in the url.
- The git parser now returns the tool name properly for an svn service.
- The git parser testsuite now has testcases for all new additions.
Also
- Added --snapshots functionality to allow specifying an existing snapshots
directory.
- Add testcases to test.sh to test --snapshots functionality.
- Changes test.sh --snapshots directive to --md5sums to avoid confusion
with cbuild2.sh --snapshots.
* TCWG-323 Interface hardening (5/10)
- Card in progress with following commits:
commit cc7193d8ddb86c4ed7d16086f8ee968ae4bae87f
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Thu Dec 12 11:40:00 2013 -0600
cbuild2.sh: All error exit paths should use build_failure().
commit 2a4ec7fa0b7c48e0c6e05a7549f64e3336022f45
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Dec 11 14:08:51 2013 -0600
cbuild2.sh: Added check_directive() to unify bounds checking.
Also added accompanying top-level test.sh fragments to test
check_directive.
Change-Id: Ia42a4b241a5ca62d41dccf1d8e023980ad0a04d0
commit c9ec21200260bdb26d9fe9b26d7ce390579a0ca2
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Dec 11 13:07:15 2013 -0600
test.sh: Fixed to work with a temporary host.conf file.
Require change due to commit 3b5c576630a8ac08cd3b9ab9eab781308549a858
which requires a host.conf file for finding the cbuild topdir.
Change-Id: I991bb5f2a7949267bf69fba093d6becd202ad138
commit 16a45027be798b06160916234713f5dc35b2ecbb
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 18:16:09 2013 -0600
cbuild2.sh: Bounds check --set input.
Change-Id: I8ebffd1809b17962aef58f2a08277d5f639d7e3e
commit d7ee602c24231e24457c93208f749cbdd0357115
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 18:03:04 2013 -0600
cbuild2.sh: Remove --srcdir. It didn't do anything.
Change-Id: I5b99c7ae8dc542cb62516104bd0bf9d1888afc52
commit 53e9c74966442c41cc9512f27f46ef849d62bcc8
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 17:58:54 2013 -0600
cbuild2.sh: Remove --dispatch support. It didn't do anything.
commit 289ade38f100872653218da4792fbb1650d3b231
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Dec 11 10:27:37 2013 -0600
cbuild2.sh: Bounds check --release switch.
Change-Id: I90804ea02b995d476b148fb68db955d164bc674c
commit 9bae259ebbff193e29899edf8a47190747d2bc1b
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Dec 11 10:09:00 2013 -0600
lib/configure.sh: Add missing closing "
Change-Id: I9eee9a934a6cbb60bd1e2db6b0af9faf19fa5188
commit 16a45027be798b06160916234713f5dc35b2ecbb
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 18:16:09 2013 -0600
cbuild2.sh: Bounds check --set input.
Change-Id: I8ebffd1809b17962aef58f2a08277d5f639d7e3e
commit d7ee602c24231e24457c93208f749cbdd0357115
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 18:03:04 2013 -0600
cbuild2.sh: Remove --srcdir. It didn't do anything.
Change-Id: I5b99c7ae8dc542cb62516104bd0bf9d1888afc52
commit 53e9c74966442c41cc9512f27f46ef849d62bcc8
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 10 17:58:54 2013 -0600
cbuild2.sh: Remove --dispatch support. It didn't do anything.
Change-Id: I4b6ee8db0d3e74510b95c816469b0c100207972f
* Misc (1/10)
- Now using gerrit with git review for handling cbuildv2 development.
- Reviewed V Chong's proposed outline for toolchain documentation and
made suggestions and edits.
== Plan ==
* Move onto working primarily on glibc Jira cards.
== Issues ==
* Lab migration took cbuild.validation.linaro.org down for several
unplanned days and therefore toolchain sources were unavailable during
that time. I made do by adding some features into cbuildv2 to use
alternative snapshots directories.
== This week ==
- Completed backport of 202259, 202407, 202020, 201261 and 201263
- Submitted merge requesSt for completed backports
== Next week ==
- Begin work on other assigned backports
== Future ==
Document missing features of cbuild for backports
== Progress ==
* Pragma Vectorize
- Comparing pragma OMP to mimic for vectorize
- Implementing the lexer/parser
- http://llvm.org/PR18086
* Android LLVM
- Wasting time for the last time with Odroid XU and Android
- Will focus on Nexus 4, 5 and 7
* Integrated AS
- Changed to enabled by default
- Discussing some bugs found on Android unwind library (inline asm)
- http://llvm.org/PR18231
* Release 3.4
- There were some muddled merges, folks are trying to fix
- Bero found a serious bug, seems to be result of the bad merge
- http://llvm.org/PR18201
- Tested RC2, waiting for RC3
* Background
- Discussions, lots of patch reviews
* Time
- CARD-862 8/10
- Others 2/10
== Plan ==
* Continue implementing pragma vectorize in Clang
* Wait for the next release candidate, test, benchmark
* Follow up in the IAS issues raised
* If RemoteChild is gone by then, continue the MCJIT refactoring
* Have a look at TableGen users
== Issues ==
I saw a black cat, under a ladder, with a hockey mask...
== Progress ==
* Bugfixing and testing QEMU AArch64 FP patches (7/10, VIRT-183)
* Debugging and submitting a patch for issue with Ruby and ARM pointer
encryption (2/10)
* Other miscellaneous work: glibc patch review, binutils testsuite
patch, expenses (1/10)
== Issues ==
* None
== Plan ==
* 2 day week next week then off until Jan 8th
* Wrap up qemu work to a good state to handover
--
Will Newton
Toolchain Working Group, Linaro
== Progress ==
- cross-validation: (1/10). Follow-up, minor maintenance and
discussions on a few regressions. Now able to share top-level
reports.
- backports (1/10):
* multilib_defaults for 4.7
* committed all approved backport
* helped Michael solve some conflicts
- disable peeling: (3/10)
* confirmed it is now done by default on trunk, as part
-fvect-cost-model=XXX.
* Looked at benchmarks, comparing
-fvect-cost-model=cheap (default) and
-fvect-cost-model=unlimited.
- benchmarks on trunk (1/10): observed some variations from one month to
another on a few cases (checked June-November). This confirms
the need to run benchmarks regularly on trunk, in addition to
release branches.
- cbuild2 (3/10): continued working on source release. Submitted a few
small patches for review+integration.
- misc (1/10): various conf-calls and meetings.
== Next ==
- Make 2013.12 releases
- cbuild2: continue testing, try to make 4.7 source release
- libsanitizer on AArch64: resume work
== Issues ==
* Tcpanda03 seems unusable.
== Progress ==
* LRA on AArch32:
o TCWG-345 : Analyse performance of LRA for ARM. (5/10)
- Installed Saucy on Chromebook, lot of time wasted due to defective SD card
- Frequency governor now set to performance.
- Benchmark setting ongoing
- Tcpand03 SSH access re-enabled, board setting seems ok, but respawned
benchmarks are stuck and the board is no more reachable
o TCWG-343 : Make LRA the default for the ARM backend (2/10)
- Reduce iWMMXT testcase, analysis ongoing.
- Trunk testsuite with LRA shows a couple new faillures.
* Reviewed some merge requests. (1/10)
* Loop specialization patch review started. (1/10)
* Various meetings. (1/10)
== Next ==
* Continue LRA, merge and patch reviews.
== Progress ==
* Updated, tested and submitted new patches for a couple of gdb
testsuite failure on arm. [TCWG-269] [TCWG-34] [1/10]
* Performed GDB git repository testing suite results comparison:
[TCWG-34] [2/10]
Compared results and prepared googldocsheets for the following:
arm-native Vs arm-remote
arm-native Vs x86-native
arm-remote Vs x86-remote
* Investigated difference/failures in arm-native vs arm-remote
comparison sheet. [TCWG-34] [5/10]
Re-ran timeout failures with different values of timeouts.
Figured out causes of failures.
Figured out why some tests exit without emitting any logical result.
* In response to comments upstream tried to figure out alternate fix for
dwarf2 fortran parameter test. [TCWG-267] [TCWG-34] [1/10]
* Miscellaneous activities [1/10]
== Plan ==
* Analyze new failures in arm-native Vs x86-native and arm-remote Vs
x86-remote test results.
* Fix test suite failures and submit patches if any.
* Spend some time pining/updating/re-submit previous patches.
== Progress ==
- libssp gcc
Initiated mails for upstream discussion on supporting global and TLS
based libssp ABI for Aarch64. Now waiting for feedback from ARM
maintainers.
- Built few benchmarks with Linaro tool chain binaries. Faced some
openmp failures, compiler disabled for libgomp. Looking to rebuild
the linaro cross tool chain.
- Rebased glibc trunk and ran cross glibc tests on V8 foundation
model. With TLS SSP patch glibc's libresolve.so fails to build
because the stage 1 GCC compiler emits global stack_chk_guard. The
glibc dos not export global stack_chk_gaurd, when TLS based stack
guard is set. Now looking at supporting and test both TLS and global
stack guard ABI, but before that waiting for confirmation from ARM
maintainers.
- Reinstalled linux 13.04 ubuntu on my laptop
- Tested the patch
http://gcc.gnu.org/ml/gcc-patches/2013-12/msg00170.html for
aarch64-none-elf target. No regressions found.
== Plan ==
- Continue upstream discussions and post RFC patches for glibc and gcc libssp
- Explore on cbuildv2
- Cross Build few openmp benchmarks
== Issues ==
* None.
== Progress ==
* 1.5 days off.
* Misc update for Linaro crosstool-ng
- Re-enable parallel build for do_cc_core.
- Add linaro-armeb-none-eabi config.
- Update all CT_TOOLCHAIN_PKGVERSION to "Linaro GCC 2013.11"
* Share toolchain binaries configures to cbuild2 group.
* Backporting r200103 and r205509 to linaro 4.8.
* Collect Spec2k INT results with -fno-move-loop-invariants and
-fira-loop-pressure on X86-64 and ARM Chrome book. Performance of
different cases waves from -2% - 2%. But the overall performance
changes < 0.5%.
== Plan ==
* Continue on CCMP.
== Progress ==
* Setup new git mirror of new binutils-gdb.git repository, and
added a cron job to update it every 10 minutes. (#369, .5/10)
* Started modifying Cbuildv2 to use new binutils-gdb
repository, which changes how we parse URLs. (.5/10)
* Modified Cbuildv2 to produce fully statically linked binaries so
32bit ones run on any distro, including 64 bit. (#368, 3.5/10)
* Worked with LAVA team to set up a private Jenkins for TCWG use
only to protect test and benchmark data. (#379, 2/10)
* Fixed Cbuildv2 bug where the dryrun function wasn't properly
trapping configure and build errors. (.5/10)
* Meetings & Card maintainance. (2/10)
* Quick winter camping trip at the hot springs for my bday, hit -38C !
== Plan ==
* More tweaks to source and binary tarball creation.
* Finish modifying Cbuildv2 to use new binutils-gdb repository.
* Fix all the minor bugs caused by properly trapping errors from
dryrun function.
* Make the new Jenkins build in a 32 bit chroot on the TCWG build
machines
* Figure out why Jenkins doesn't import the Junit files.
* Copy .sum files to remote host.
* If new Arndale or APM boards arrive this week like promised,
start evaluating them.
* Get the S&M team to start using Gerrit for merge requests for
Cbuildv2.
== Progress ==
* TCWG-367 drop --dostep, add --checkout (1/10)
Completed with following git commits:
commit 2d4d7588c1b05801ee5e1a924c8641ff7c322c07
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Fri Dec 6 11:46:40 2013 -0600
cbuild2.sh: remove --dostep. It's no longer supported.
Also added testcase to make sure it returns an error.
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Fri Dec 6 10:57:34 2013 -0600
Add cbuild2 --checkout <package>|all support with tests
* misc (1/10)
commit 9fb1c4404f8065ef844154e614ff4e7086fce176
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Thu Dec 5 12:21:20 2013 -0600
lib/package.sh: git status should be run in the current directory.
commit 7bb4a9ce8ef440655fe45e6819b57da8d61e8728
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Dec 4 11:47:56 2013 -0600
lib/package.sh: git st should be git status.
* TCWG-356 Unify GIT URL parsing (5/10)
* TCWG-359 Change branch character (2/10)
Closed with following git commits:
commit c9368930e6fb1ad46d08c2dbcc34d8167344ad28
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Tue Dec 3 16:29:00 2013 -0600
Finish git parser refactoring, use stamp functions, complete
dryrun wrapping.
commit eabbc74e48bc8c3a4addbc53ec6a492521193a0c
Author: Ryan S. Arnold <ryan.arnold(a)linaro.org>
Date: Wed Nov 27 16:31:20 2013 -0600
Working additions for git parser refactor and stamping.
== Issues ==
*misc (1/10)
- Discovered a bug in glibc when using upstream (4.9) gcc that isn't
present in 4.8. This might have something to do with how binutils
interacts with the compiler instead of simply a compiler issue:
elf/dl-addr.c:152: multiple definition of `_dl_addr_inside_object'
elf/dl-open.c:746: first defined here
== Plan ==
* Create card for new glibc multiple definition problem,
* Start working on glibc related cards
== This week ==
- Completed backport of 197997
- Completed backport of 203774
- Worked on GCC 4.8 FSF Release Branch Merge and initiated merge request
and build
== Next week ==
- Work on GCC 4.7 Release branch Merge
- Begin work on other assigned backports
== Future ==
Document missing features of cbuild for backports
== Progress ==
* MCJIT (2/10)
- Disabling Remote MCJIT for now, just to add the self-hosting bot
- Working on a more robust message passing interface
- http://llvm.org/bugs/show_bug.cgi?id=18057
- Progress stalled, waiting for changes to child process handler
* Buildbots (2/10)
- Adding Chromebook self-hosting buildbot
- http://lab.llvm.org:8011/buildslaves/linaro-chrome-02
- Adding Odroid XU check-all buildbot
- http://lab.llvm.org:8011/buildslaves/linaro-odroidxu-01
* Vectorizer (2/10)
- Implemented #pragma vectorize enable in LLVM
- http://llvm.org/bugs/show_bug.cgi?id=18086
- Adding support in Clang to add metadata to IR for all three pragmas
* Android (1/10)
- Trying LLVM kernel on XU again
- Managed to get adb/astboot to work
- Custom kernels won't boot, Tinti will create a full image (CM+LLVM)
* Release 3.4 RC2 (1/10)
- Testing, no regressions
- Some benchmarking regressions, investigating
- http://llvm.org/pre-releases/3.4/rc2/
* Background (2/10)
- Reviewing patches, discussions, meetings, etc
== Plan ==
* Continue implementing pragma vectorize on Clang
* Further release 3.4 testing and benchmarking
* Continue investigating benchmark results for 3.4
* Re-start MCJIT MPI once changes to the child process handlers are in
Hi,
According the debian bug report [1], it is not possible to use std::future
on armv5 targetting toolchains. This is because libstdc++ will only enable
std::future if ATOMIC_INT_LOCK_FREE > 1. There is no LDREX for armv5 and
older, so this definition is set to ATOMIC_INT_LOCK_FREE when compiling for
ARMv4t or ARMv5.
My impression is that you should be able to use the kernel helpers for
atomic operations in lockfree (?) manner, so the ATOMIC_INT_LOCK_FREE
definition is probably incorrect on older arm archs then?
Riku
[1] http://bugs.debian.org/727621
== Progress ==
* Disable peeling:
- spawned benchmarking jobs using recent trunk and another older
one to check for performance regressions.
- locally generated the code for the same benchmark to analyze the
differences
* cbuildv2:
- retried to create 4.8-2013.11 source release. Identified a couple
of minor issues, reported to Rob.
- for 4.7-2013.11, need support for subdir in git URLs, fix on-ongoing by Ryan
* Backports:
- gave some support to Michael
- a few have been reviewed/accepted.
* libsanitizer: little progress this week; advised to take a look at
recent LLVM sources.
* trunk validation: filed some bugzilla reports; 2 of them fixed by Kyrill.
== Next ==
* Disable peeling:
- check benchmarks results
- check code generation
* cbuildv2: re-do source releases 4.8 and 4.7 2013.11
* Backports:
- commit already approved ones, once cbuildv2 releases are OK
- see which ones can be easily added
- work on MULTILIB_DEFAULTS backport for 4.7
== Issues ==
* None.
== Progress ==
* LRA on AArch32:
o TCWG-342 : UPSTREAM: LRA issue in gfortran with store minmaxsi
- Committed as rev205526 .
- Card resolved.
o TCWG-344 : UPSTREAM: Thumb bootstrap failure with LRA
- Committed THUMB_SECONDARY_INPUT_RELOAD_CLASS patch as rev205527.
- Committed PR58785 patch as rev205581.
- Card resolved.
o TCWG-345 : Analyse performance of LRA for ARM
- Gathered results and analysis still ongoing.
o Working on a new failure with iWMMXT (LRA loops during constraints solving).
* Reviewed some merge requests.
== Next ==
* Continue on LRA
* Loop specialization patch review.
== Progress ==
* Investigated remaining testsuite failures in ARM process record/replay.
* Tested VFP, SIMD and other advance instruction types recording.
* Ran GDB testsuite in various configurations on gdb7_6_1 code base
and latest git repo.
* Learnt some prologue and epilogue analysis heuristics for resolving
process record bugs in arm.
== Plan ==
* Analyze test results from gdb testsuite runs in various configs and
update JIRA issues.
* Complete testing of VFP, SIMD and other advance instruction types
recording patch and Send updated patch.
* Try to find a epilogue analysis heuristics for resolving reverse
stepping issues in solib code.
== This week ==
- Completed backport of 202872
- Final checkin to upstream GCC SVN will be complete by Christophe Lyon
== Next week ==
- Begin work on other assigned backports
== Future ==
Document missing features of cbuild for backports
== Progress ==
- libssp gcc
Posted RFC V2 patch to community. Updated comments from Richard and
wating for some feed backs.
- Libssp glibc
- Sent out a patch for stack_chk_guard in Aarch64 along with TLS
stack guard support.
== Plan ==
- post RFC patches for glibc and gcc libssp
- explore on cbuildv2
29-11-2013 Friday - Leave (AMD internal event) .
== Progress ==
* Setup 64 bit centos-5 and suse-10 chroots for testing binary
tarballs, and used them to verify the Cbuildv2 produced ones
compile 'Hello World!", and run on a real target.
* Got remote chromebook testing working in TCWG build farm.
* Worked on getting GDB remote testing with gdbserver working.
* Did build and test run on aarch64 APM board of GCC
linaro-4.8-branch.
* Changed Cbuildv2 to disable parallel make jobs when building GCC
native on ARM or AARCH64 platforms, as the hardware can't handle
the load.
* Got the LSB tools installed and researched what they do.
* Debugged why 32 bit binary tarballs made in a chroot won't run
when installed on multiple x86_64 systems. Works now by statically
linking everything.
* Got test results, converted to Junit format for Jenkins.
* More TCWG build farm admin issues.
== Plan ==
* Continue working on GDB remote testing in the build farm.
* More tweaks for binary releases.
* Continue trying to get GCC trunk to build on APM board.
* Figure out why Jenkins doesn't import the Junit files.
* Probably more TCWG build farm admin issues, which is probably
a continuing task, so I'll stop listing it every week.
== Issues ==
* If I try to monitor a Jenkin's build via the "Console", it
crashes my browser as the logs get huge.
* Long weekend for Thanksgiving holiday means short work week...
== Leave ==
* Off this coming Thursday for my birthday...
== Progress ==
- cbuild2 benchmarking
- Resolved access issues and imported into repository
- continuing with the missing implementations
- 64bit division for ARMv7-A
- Algorithm is committed to trunk
- enablement patch is posted for review
- trunk bootstrapping issue
- Setup foundation model and resolved space and kernel panic issues
- There is a assembler compatibility issue with older assembler
(-mabi=lp64); trying with the latest binutils
- AARCH64 bootstrapping in progress with this
- AARCH32 bootstraps with glibc but ran into issues with eglibc.
== Plan ==
- Address zero/extension review comments
- investigative bootstrapping issues
- continue with cbuild2 benchmarking
== Issues ==
* None.
== Progress ==
* Commit the fix for test case (lp1243022.c) by skipping arm-neon.
* Spawn arm-none-eabi build for Linaro 2013.11 release.
* Report PR59282: SPEC2K 252.eon ICE.
* Rebase conditional compare patch to trunk and tests.
- Update simplify_while_replacing to skip swapping compare in
conditional compare.
- Check whether operands of gen_ccmp_next clobber cc or not.
- Add a short description about the over all algorithm.
* Investigating loop-invariant impact on SPEC2K INT for x86-64 and
ARM. Testing is ongoing,
== Plan ==
* Continue on CCMP.
== Planed leaves ==
* Dec 3 & 5: Annual leaves
== Progress ==
* Buildbots
- Work-around for ClamAV (r195646), new bot in!
- http://lab.llvm.org:8011/buildslaves/linaro-chrome-03
- After a week stable, I'll deactivate the old chromebook and re-fit it
- Looking at MCJIT random breakages on A15 self-hosting tests
- http://llvm.org/PR18057
- Proposed a fix, http://llvm-reviews.chandlerc.com/D2287
- Installed Arch on the ODroid XU, running a local buildbot on it
- Investigating llvm-rtdyld but in reading debug information
- http://llvm.org/PR18085
* Vectorizer
- Mapping, discussing and proposing implementation for pragmas
- http://llvm.org/PR18086
- http://llvm-reviews.chandlerc.com/D2289
* Release 3.4 RC1
- Running benchmarks comparing 3.3 with 3.4
- EEMBC within noise levels for geomean
- O3: ~0.2% faster, ~0.7% bigger
- Os: ~1.3% slower, ~0.6% bigger
- Phoronix, ImageMagick: OK within std dev
* LLVMAndroid
- Tinti compiled the kernel 3.4 and some libs with LLVM
- Trying to put Android on the ODroid XU (the official one is quite poor)
- XU redirected to set as a buildbot, once ready, I'll use the other
for Android
* Background
- Lots of patch reviews, discussions
- Helping Graphics WG with Clover
== Issues ==
Still ill because of implant, on/off throughout the week.
== Plan ==
* Put the self-hosting bot up once it's fixed
* Fix the XU bot
* Try LLVM Android on XU again
* Continue with the simple vectorization pragmas
* Waiting on benchmark test-suite mode to create a new benchmark test-suite
