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U2FsdGVkX1+foZ+GYLUQT4CQN1jyYqos6D32tIP5oX64KpEYLhQk1inwuczqoIXFdBG4Iq94xiQmraVooN8bNY4jkqNvXYwqpp+4BZobT391NFwaDHnJANVeOth5j25QEJXdFHETVxRLWii+D4AtEMVQq7sXxB3rOgzy/JsafLAPBsr5LzSaiTGRQuDu4iovstDs1IK04SVRVd+OCO0aiZurOB/7tx4eQET78NrIiXu/HtvzQN1EFCn36PsCGfu/RlxR0JSKVSbB0bxdxpCg+lx0Fh2ByJn64+dWS5abfKl9UygNxJLJBlYnIzajOACKqiHUnszbTYERBsXrhMYs8Io357XKJradMByE+HALbiFpolGbOgpJryXcb1fgqgVd37nfoAUTOGYEBNDdxhZ+0WpHm/xqXm4xRKCU/48AGtG7XvSpjxVtcpgbWfKgpGwrPKVVhN8r64gkCYZRUYI5q6MOlVcYo6BA6k0tQ/Fp3BzB8XkTYOO6t3M9fSJKemlVoL1/bJ6V8zqJE8gLLL3+8YByCVgMrCjQHtpHP5rd6ruOS0pg6x5SC1VmOfVWRaaLRYFwO6vG2M8FywRnPB3jhpOACNEpwad0mUHHXhU7psraZxs+vczDHFNScVoszbR2WZcU7si3M9Hx3OWLK7yfUKn/CkoH52oZA37f2Tj5rz0UIbeqiZLrixIzQO7yzI3SlssKDoJAgF0OJF1kM5/HZ213op3dqbRiSx+a4Fl3no5RMRVl2hMdJXiPbYGaoU42W4BapTRhfTgdPRGoAsLtEiBINRQ13xtvz+2ByQwQDk3EginASz6g6EafTkvncy02ZW3EPoDfqkEmNdr+MRbJJHPRAzNrIilfu21gqW0009JvhQGeeMcMDDRV+GamexEvapq6FOSx+Pj0/kNPDyx6V7QGGIGm4UsT7kBEDx/a7DOTq9BTLaZOtZWtqLDgNm4mQfz5+HZSdK72ckHmEGh qNVKuWId /P3mPb5wqLO07TFgmehBb6jlto/3sOzp3GGYKwJsRuUCrIijzoX/utkVRJq4FPWLl0NjEyOomTyKQSCusnfND4JlP/UGxyRoYwHVdx6kZcFD8gj+WpHCsJHa9pw+bCVIOPvUjpzyrrOr6pAH+UC2snHfoNdPyfGqgSj6gQlYrJmCd8s6gQAoELyO9rXxd1RQIRaTqQs+g+Foa6z5UUhfPMdf5Y8S8cDNgcMHNeNqPBGiuHlp9zO6aIDHKiKxGQncYjulTSfGfOCiwY+sLoVOWll4vasfvZAh9tDe1TshMdELK1R+F7ys9TKrOU1khU26pJ4RnVoXnpjFT9yUhy4bEXg251kJV5Z+Ji5Pgro/eTOxynyI6GZsljDVHz5i6YBThiAZino9JEX68NBA1otbnsfZETzL0aDY8UXwYfGwa+5+9OUjzfrVCszEiP1A2hpNBAfhfEX0HZM5enr3WFZK+Xbh+DG7sdhlLz0mjx1txxtJ0YPFrhiQCt5HdOzDQZyoG4JBTOtR2gdYKjqVGRCmgYPNoW652278+0iTObV5tmaralGfOBqD0hh8GB/fD9DSLGKzAxQA4GZfsGef6FxUAVcKegsDBmVhe53wR X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Jul 22, 2023, at 4:33 PM, Chuck Lever III wro= te: >=20 >=20 >=20 >> On Jul 17, 2023, at 2:46 AM, kernel test robot w= rote: >>=20 >>=20 >> hi, Chuck Lever, >>=20 >> 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@intel.c= om/ >>=20 >> but now we noticed a regression, detail as below, FYI >>=20 >> Hello, >>=20 >> kernel test robot noticed a -15.5% regression of will-it-scale.per_threa= d_ops on: >>=20 >>=20 >> commit: a1a690e009744e4526526b2f838beec5ef9233cc ("[PATCH v7 3/3] shmem:= stable directory offsets") >> url: https://github.com/intel-lab-lkp/linux/commits/Chuck-Lever/libfs-Ad= d-directory-operations-for-stable-offsets/20230701-014925 >> base: https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-everyt= hing >> patch link: https://lore.kernel.org/all/168814734331.530310.391119055106= 0453102.stgit@manet.1015granger.net/ >> patch subject: [PATCH v7 3/3] shmem: stable directory offsets >>=20 >> testcase: will-it-scale >> test machine: 104 threads 2 sockets (Skylake) with 192G memory >> parameters: >>=20 >> nr_task: 16 >> mode: thread >> test: unlink2 >> cpufreq_governor: performance >>=20 >>=20 >> In addition to that, the commit also has significant impact on the follo= wing tests: >>=20 >> +------------------+----------------------------------------------------= ---------------------------------------------+ >> | 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 C= PU @ 3.00GHz (Cascade Lake) with 128G memory | >> | test parameters | cpufreq_governor=3Dperformance = | >> | | mode=3Dthread = | >> | | nr_task=3D16 = | >> | | test=3Dunlink2 = | >> +------------------+----------------------------------------------------= ---------------------------------------------+ >> | testcase: change | stress-ng: stress-ng.handle.ops_per_sec 3.0% improv= ement | >> | test machine | 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CP= U @ 3.00GHz (Skylake) with 32G memory | >> | test parameters | class=3Dfilesystem = | >> | | cpufreq_governor=3Dperformance = | >> | | disk=3D1SSD = | >> | | fs=3Dext4 = | >> | | nr_threads=3D10% = | >> | | test=3Dhandle = | >> | | testtime=3D60s = | >> +------------------+----------------------------------------------------= ---------------------------------------------+ >>=20 >>=20 >> If you fix the issue in a separate patch/commit (i.e. not just a new ver= sion of >> the same patch/commit), kindly add following tags >> | Reported-by: kernel test robot >> | Closes: https://lore.kernel.org/oe-lkp/202307171436.29248fcf-oliver.sa= ng@intel.com >>=20 >>=20 >> Details are as below: >> ------------------------------------------------------------------------= --------------------------> >>=20 >>=20 >> To reproduce: >>=20 >> 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 Has anyone from the lkp or ltp teams had a chance to look at this? I'm stuck without this reproducer. > I'm trying to reproduce the regression here, but the reproducer fails > at this step with: >=20 > =3D=3D> 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/BUILDROO= T/will-it-scale-LKP-1-1.x86_64 '!=3D' / ']' > + rm -rf /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILD= ROOT/will-it-scale-LKP-1-1.x86_64 > ++ dirname /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUI= LDROOT/will-it-scale-LKP-1-1.x86_64 > + mkdir -p /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUI= LDROOT > + mkdir /export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDR= OOT/will-it-scale-LKP-1-1.x86_64 > + CFLAGS=3D'-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protector-= strong --param=3Dssp-buffer-size=3D4' > + export CFLAGS > + CXXFLAGS=3D'-march=3Dx86-64 -mtune=3Dgeneric -O2 -pipe -fstack-protecto= r-strong --param=3Dssp-buffer-size=3D4' > + export CXXFLAGS > + FFLAGS=3D'-O2 -flto=3Dauto -ffat-lto-objects -fexceptions -g -grecord-g= cc-switches -pipe -Wall -Werror=3Dformat-security -Wp,-D_FORTIFY_SOURCE=3D2= -Wp,-D_GLIBCXX_ASSERTIONS -specs=3D/usr/lib/rpm/redhat/redhat-hardened-cc1= -fstack-protector-strong -specs=3D/usr/lib/rpm/redhat/redhat-annobin-cc1 = -m64 -mtune=3Dgeneric -fasynchronous-unwind-tables -fstack-clash-protectio= n -fcf-protection -I/usr/lib64/gfortran/modules' > + export FFLAGS > + FCFLAGS=3D'-O2 -flto=3Dauto -ffat-lto-objects -fexceptions -g -grecord-= gcc-switches -pipe -Wall -Werror=3Dformat-security -Wp,-D_FORTIFY_SOURCE=3D= 2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=3D/usr/lib/rpm/redhat/redhat-hardened-cc= 1 -fstack-protector-strong -specs=3D/usr/lib/rpm/redhat/redhat-annobin-cc1 = -m64 -mtune=3Dgeneric -fasynchronous-unwind-tables -fstack-clash-protecti= on -fcf-protection -I/usr/lib64/gfortran/modules' > + export FCFLAGS > + LDFLAGS=3D-Wl,-O1,--sort-common,--as-needed,-z,relro > + export LDFLAGS > + LT_SYS_LIBRARY_PATH=3D/usr/lib64: > + export LT_SYS_LIBRARY_PATH > + CC=3Dgcc > + export CC > + CXX=3Dg++ > + export CXX > + cp -a /export/xfs/lkp-tests/programs/will-it-scale/pkg/will-it-scale-lk= p/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_b= uild/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/wr= iteseek2/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_build/BUILDROO= T/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_bui= ld/BUILDROOT/will-it-scale-LKP-1-1.x86_64/lkp/benchmarks/will-it-scale/writ= eseek2/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_b= uild/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/benchmark= s/will-it-scale/brk1_processes': No such file > /usr/bin/strip: '/export/xfs/lkp-tests/programs/will-it-scale/pkg/rpm_bui= ld/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 su= ch 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 /bi= n/sh to #!/usr/bin/sh > *** ERROR: ambiguous python shebang in /lkp/benchmarks/python3/lib/python= 3.8/encodings/rot_13.py: #!/usr/bin/env python. Change it to python3 (or py= thon2) explicitly. > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/lib2to3/pgen2/t= oken.py from /usr/bin/env python3 to #!/usr/bin/python3 > *** ERROR: ambiguous python shebang in /lkp/benchmarks/python3/lib/python= 3.8/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/python= 3.8/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/p= ytree_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/byte= design.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/cloc= k.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/fore= st.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/frac= talcurves.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/lind= enmayer.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/mini= mal_hanoi.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/pain= t.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/peac= e.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/penr= ose.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/plan= et_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_canvas= es.py is executable but has no shebang, removing executable bit > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/turtledemo/yiny= ang.py from /usr/bin/env python3 to #!/usr/bin/python3 > *** WARNING: ./lkp/benchmarks/python3/lib/python3.8/idlelib/idle.bat is e= xecutable 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/ziptestdat= a/exe_with_z64 from /bin/bash to #!/usr/bin/bash > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/ziptestdat= a/exe_with_zip from /bin/bash to #!/usr/bin/bash > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/ziptestdat= a/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_tes= ts.py from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/regrtest.p= y from /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/test/re_tests.p= y 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 fro= m /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/pdb.py from /us= r/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/python3/lib/python3.8/platform.py fro= m /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 fro= m /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 f= rom /usr/bin/env python3 to #!/usr/bin/python3 > mangling shebang in /lkp/benchmarks/will-it-scale/runalltests from /bin/s= h to #!/usr/bin/sh > error: Bad exit status from /var/tmp/rpm-tmp.Py4eQi (%install) >=20 > RPM build warnings: > source_date_epoch_from_changelog set but %changelog is missing >=20 > 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 > =3D=3D> WARNING: Failed to install built package(s). > [cel@manet lkp-tests]$ >=20 > I'm on Fedora 38 x86_64. >=20 >=20 > -- > Chuck Lever -- Chuck Lever