> On Jul 17, 2023, at 2:46 AM, kernel test robot <oliver.sang@xxxxxxxxx> wrote: > > > hi, Chuck Lever, > > we reported a 3.0% improvement of stress-ng.handle.ops_per_sec for this commit > on > https://lore.kernel.org/oe-lkp/202307132153.a52cdb2d-oliver.sang@xxxxxxxxx/ > > but now we noticed a regression, detail as below, FYI > > Hello, > > kernel test robot noticed a -15.5% regression of will-it-scale.per_thread_ops on: > > > commit: a1a690e009744e4526526b2f838beec5ef9233cc ("[PATCH v7 3/3] shmem: stable directory offsets") > url: https://github.com/intel-lab-lkp/linux/commits/Chuck-Lever/libfs-Add-directory-operations-for-stable-offsets/20230701-014925 > base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/all/168814734331.530310.3911190551060453102.stgit@xxxxxxxxxxxxxxxxxxxxx/ > patch subject: [PATCH v7 3/3] shmem: stable directory offsets > > testcase: will-it-scale > test machine: 104 threads 2 sockets (Skylake) with 192G memory > parameters: > > nr_task: 16 > mode: thread > test: unlink2 > cpufreq_governor: performance > > > In addition to that, the commit also has significant impact on the following tests: > > +------------------+-------------------------------------------------------------------------------------------------+ > | testcase: change | will-it-scale: will-it-scale.per_thread_ops -40.0% regression | > | test machine | 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory | > | test parameters | cpufreq_governor=performance | > | | mode=thread | > | | nr_task=16 | > | | test=unlink2 | > +------------------+-------------------------------------------------------------------------------------------------+ > | testcase: change | stress-ng: stress-ng.handle.ops_per_sec 3.0% improvement | > | test machine | 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory | > | test parameters | class=filesystem | > | | cpufreq_governor=performance | > | | disk=1SSD | > | | fs=ext4 | > | | nr_threads=10% | > | | test=handle | > | | testtime=60s | > +------------------+-------------------------------------------------------------------------------------------------+ > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-lkp/202307171436.29248fcf-oliver.sang@xxxxxxxxx > > > Details are as below: > --------------------------------------------------------------------------------------------------> > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > sudo bin/lkp install job.yaml # job file is attached in this email I'm trying to reproduce the regression here, but the reproducer fails at this step with: ==> Installing package will-it-scale with /export/xfs/lkp-tests/sbin/pacman-LKP -U... warning: source_date_epoch_from_changelog set but %changelog is missing Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.Py4eQi + umask 022 + cd /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILD + '[' /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64 '!=' / ']' + rm -rf /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64 ++ dirname /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64 + mkdir -p /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT + mkdir /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64 + CFLAGS='-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4' + export CFLAGS + CXXFLAGS='-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4' + export CXXFLAGS + FFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules' + export FFLAGS + FCFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules' + export FCFLAGS + LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro + export LDFLAGS + LT_SYS_LIBRARY_PATH=/usr/lib64: + export LT_SYS_LIBRARY_PATH + CC=gcc + export CC + CXX=g++ + export CXX + cp -a /export/xfs/lkp-tests/programs/will-it-scale/pkg/will-it-scale-lkp/lkp /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64 + /usr/lib/rpm/check-buildroot + /usr/lib/rpm/redhat/brp-ldconfig + /usr/lib/rpm/brp-compress + /usr/lib/rpm/brp-strip /usr/bin/strip + /usr/lib/rpm/brp-strip-comment-note /usr/bin/strip /usr/bin/objdump /usr/bin/objdump: '/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/writeseek2/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/dup1_threads': No such file /usr/bin/strip: '/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/writeseek2/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/dup1_threads': No such file /usr/bin/objdump: '/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x8/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/brk1_processes': No such file /usr/bin/strip: '/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x8/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/brk1_processes': No such file /usr/bin/objdump: '/export/xfs/lkp-tests/programs/will-it-sc_processes': No such file /usr/bin/strip: '/export/xfs/lkp-tests/programs/will-it-sc_processes': No such file /usr/bin/objdump: '6_64/lkp/benchmarks/will-it-scale/pread2_threads': No such file /usr/bin/strip: '6_64/lkp/benchmarks/will-it-scale/pread2_threads': No such file /usr/bin/objdump: 'ale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/poll2_processes': No such file /usr/bin/strip: 'ale/pkg/rpm_build/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/poll2_processes': No such file + /usr/lib/rpm/redhat/brp-strip-lto /usr/bin/strip + /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip + /usr/lib/rpm/check-rpaths + /usr/lib/rpm/redhat/brp-mangle-shebangs mangling shebang in /lkp/benchmarks/python3/bin/python3.8-config from /bin/sh to #!/usr/bin/sh *** ERROR: ambiguous python shebang in /lkp/benchmarks/python3/lib/python3.8/encodings/rot_13.py: #!/usr/bin/env python. Change it to python3 (or python2) explicitly. mangling shebang in /lkp/benchmarks/python3/lib/python3.8/lib2to3/pgen2/token.py from /usr/bin/env python3 to #!/usr/bin/python3 *** ERROR: ambiguous python shebang in /lkp/benchmarks/python3/lib/python3.8/lib2to3/tests/data/different_encoding.py: #!/usr/bin/env python. Change it to python3 (or python2) explicitly. *** ERROR: ambiguous python shebang in /lkp/benchmarks/python3/lib/python3.8/lib2to3/tests/data/false_encoding.py: #!/usr/bin/env python. Change it to python3 (or python2) explicitly. mangling shebang in /lkp/benchmarks/python3/lib/python3.8/lib2to3/tests/pytree_idempotency.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/config-3.8-x86_64-linux-gnu/makesetup from /bin/sh to #!/usr/bin/sh mangling shebang in /lkp/benchmarks/python3/lib/python3.8/config-3.8-x86_64-linux-gnu/install-sh from /bin/sh to #!/usr/bin/sh mangling shebang in /lkp/benchmarks/python3/lib/python3.8/ctypes/macholib/fetch_macholib from /bin/sh to #!/usr/bin/sh mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/bytedesign.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/clock.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/forest.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/fractalcurves.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/lindenmayer.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/minimal_hanoi.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/paint.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/peace.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/penrose.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/planet_and_moon.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/tree.py from /usr/bin/env python3 to #!/usr/bin/python3 *** WARNING: ./lkp/benchmarks/python3/lib/python3.8/turtledemo/two_canvases.py is executable but has no shebang, removing executable bit mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/yinyang.py from /usr/bin/env python3 to #!/usr/bin/python3 *** WARNING: ./lkp/benchmarks/python3/lib/python3.8/idlelib/idle.bat is executable but has no shebang, removing executable bit mangling shebang in /lkp/benchmarks/python3/lib/python3.8/idlelib/pyshell.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/ziptestdata/exe_with_z64 from /bin/bash to #!/usr/bin/bash mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/ziptestdata/exe_with_zip from /bin/bash to #!/usr/bin/bash mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/ziptestdata/header.sh from /bin/bash to #!/usr/bin/bash mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/bisect_cmd.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/curses_tests.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/regrtest.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/re_tests.py from /usr/bin/env python3 to #!/usr/bin/python3 *** WARNING: ./lkp/benchmarks/python3/lib/python3.8/test/test_dataclasses.py is executable but has no shebang, removing executable bit mangling shebang in /lkp/benchmarks/python3/lib/python3.8/base64.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/cProfile.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/pdb.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/platform.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/profile.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/quopri.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/smtpd.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/smtplib.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/tabnanny.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/tarfile.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/timeit.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/trace.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/uu.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/python3/lib/python3.8/webbrowser.py from /usr/bin/env python3 to #!/usr/bin/python3 mangling shebang in /lkp/benchmarks/will-it-scale/runalltests from /bin/sh to #!/usr/bin/sh error: Bad exit status from /var/tmp/rpm-tmp.Py4eQi (%install) RPM build warnings: source_date_epoch_from_changelog set but %changelog is missing RPM build errors: Bad exit status from /var/tmp/rpm-tmp.Py4eQi (%install) error: open of /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/RPMS/will-it-scale-LKP.rpm failed: No such file or directory ==> WARNING: Failed to install built package(s). [cel@manet lkp-tests]$ I'm on Fedora 38 x86_64. -- Chuck Lever
