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Message-ID: <Z4AoFA974kauIJ9T@ghost> Date: Thu, 9 Jan 2025 11:48:36 -0800 From: Charlie Jenkins <charlie@...osinc.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Mickaël Salaün <mic@...ikod.net>, Günther Noack <gnoack@...gle.com>, Christian Brauner <brauner@...nel.org>, Guo Ren <guoren@...nel.org>, John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>, Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, Jonathan Corbet <corbet@....net>, Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, linux-riscv@...ts.infradead.org, linux-security-module@...r.kernel.org, bpf@...r.kernel.org, linux-csky@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org Subject: Re: [PATCH v6 00/16] perf tools: Use generic syscall scripts for all archs On Thu, Jan 09, 2025 at 12:59:43PM -0300, Arnaldo Carvalho de Melo wrote: > On Wed, Jan 08, 2025 at 06:36:15PM -0800, Charlie Jenkins wrote: > > Standardize the generation of syscall headers around syscall tables. > > Previously each architecture independently selected how syscall headers > > would be generated, or would not define a way and fallback onto > > libaudit. Convert all architectures to use a standard syscall header > > generation script and allow each architecture to override the syscall > > table to use if they do not use the generic table. > > > > As a result of these changes, no architecture will require libaudit, and > > so the fallback case of using libaudit is removed by this series. > > > > Testing: > > > > I have tested that the syscall mappings of id to name generation works > > as expected for every architecture, but I have only validated that perf > > trace compiles and runs as expected on riscv, arm64, and x86_64. > > > > Signed-off-by: Charlie Jenkins <charlie@...osinc.com> > > Reviewed-by: Ian Rogers <irogers@...gle.com> > > Tested-by: Ian Rogers <irogers@...gle.com> > > Acked-by: Namhyung Kim <namhyung@...nel.org> > > > > --- > > Changes in v6: > > - Use tools/build/Build.include instead of scripts/Kbuild.include > > - Link to v5: https://lore.kernel.org/r/20250107-perf_syscalltbl-v5-0-935de46d3175@rivosinc.com > > Passed these, so far, more tests underway: > > ⬢ [acme@...lbox perf-tools-next]$ git log --oneline -1 ; time make -C tools/perf build-test > d06826160a982494 (HEAD -> perf-tools-next) perf tools: Remove dependency on libaudit > make: Entering directory '/home/acme/git/perf-tools-next/tools/perf' > - tarpkg: ./tests/perf-targz-src-pkg . > make_static: cd . && make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 NO_LIBTRACEEVENT=1 NO_LIBELF=1 -j28 DESTDIR=/tmp/tmp.JJT3tvN7bV > make_with_gtk2: cd . && make GTK2=1 -j28 DESTDIR=/tmp/tmp.BF53V2qpl3 > - /home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP: cd . && make FEATURE_DUMP_COPY=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump > cd . && make FEATURE_DUMP_COPY=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP feature-dump > make_no_libbionic_O: cd . && make NO_LIBBIONIC=1 FEATURES_DUMP=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j28 O=/tmp/tmp.KZuQ0q2Vs6 DESTDIR=/tmp/tmp.0sxMyH91gS > make_util_map_o_O: cd . && make util/map.o FEATURES_DUMP=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j28 O=/tmp/tmp.Y0Mx3KLREI DESTDIR=/tmp/tmp.wg9HCVVLHE > make_install_O: cd . && make install FEATURES_DUMP=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j28 O=/tmp/tmp.P0LEBAkW1X DESTDIR=/tmp/tmp.agTavZndFN > failed to find: etc/bash_completion.d/perf Is this something introduced by this patch? - Charlie > make_no_libpython_O: cd . && make NO_LIBPYTHON=1 FEATURES_DUMP=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j28 O=/tmp/tmp.AQ4uSxhHzq DESTDIR=/tmp/tmp.SyRIMEwTpJ > make_refcnt_check_O: cd . && make EXTRA_CFLAGS=-DREFCNT_CHECKING=1 FEATURES_DUMP=/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j28 O=/tmp/tmp.boLQpo3gGR DESTDIR=/tmp/tmp.pvNzMWlMJP > > > Changes in v5: > > - Remove references to HAVE_SYSCALL_TABLE_SUPPORT that were > > missed/recently introduced > > - Rebase on perf-tools-next > > - Install headers to $(OUTPUT)arch instead of $(OUTPUT)tools/perf/arch > > - Link to v4: https://lore.kernel.org/r/20241218-perf_syscalltbl-v4-0-bc8caef2ca8e@rivosinc.com > > > > Changes in v4: > > - Remove audit_machine member of syscalltbl struct (Ian) > > - Rebase on perf-tools-next > > - Link to v3: https://lore.kernel.org/r/20241216-perf_syscalltbl-v3-0-239f032481d5@rivosinc.com > > > > Changes in v3: > > - Fix compiliation when OUTPUT is empty > > - Correct unused headers to be .h instead of .c (Namhyung) > > - Make variable definition of supported archs (Namhyung) > > - Convert += into := for syscalls headers (Namhyung) > > - Link to v2: https://lore.kernel.org/r/20241212-perf_syscalltbl-v2-0-f8ca984ffe40@rivosinc.com > > > > Changes in v2: > > - Rebase onto 6.13-rc2 > > - Fix output path so it generates to /tools/perf/arch properly > > - Link to v1: https://lore.kernel.org/r/20241104-perf_syscalltbl-v1-0-9adae5c761ef@rivosinc.com > > > > --- > > Charlie Jenkins (16): > > perf tools: Create generic syscall table support > > perf tools: arc: Support generic syscall headers > > perf tools: csky: Support generic syscall headers > > perf tools: arm: Support syscall headers > > perf tools: sh: Support syscall headers > > perf tools: sparc: Support syscall headers > > perf tools: xtensa: Support syscall header > > perf tools: x86: Use generic syscall scripts > > perf tools: alpha: Support syscall header > > perf tools: parisc: Support syscall header > > perf tools: arm64: Use syscall table > > perf tools: loongarch: Use syscall table > > perf tools: mips: Use generic syscall scripts > > perf tools: powerpc: Use generic syscall table scripts > > perf tools: s390: Use generic syscall table scripts > > perf tools: Remove dependency on libaudit > > > > Documentation/admin-guide/workload-tracing.rst | 2 +- > > tools/build/Build.include | 2 + > > tools/build/feature/Makefile | 4 - > > tools/build/feature/test-libaudit.c | 11 - > > tools/perf/Documentation/perf-check.txt | 2 - > > tools/perf/Makefile.config | 39 +- > > tools/perf/Makefile.perf | 12 +- > > tools/perf/arch/alpha/entry/syscalls/Kbuild | 2 + > > .../arch/alpha/entry/syscalls/Makefile.syscalls | 5 + > > tools/perf/arch/alpha/entry/syscalls/syscall.tbl | 504 ++++++++++++++++++++ > > tools/perf/arch/alpha/include/syscall_table.h | 2 + > > tools/perf/arch/arc/entry/syscalls/Kbuild | 2 + > > .../perf/arch/arc/entry/syscalls/Makefile.syscalls | 3 + > > tools/perf/arch/arc/include/syscall_table.h | 2 + > > tools/perf/arch/arm/entry/syscalls/Kbuild | 4 + > > .../perf/arch/arm/entry/syscalls/Makefile.syscalls | 2 + > > tools/perf/arch/arm/entry/syscalls/syscall.tbl | 483 +++++++++++++++++++ > > tools/perf/arch/arm/include/syscall_table.h | 2 + > > tools/perf/arch/arm64/Makefile | 22 - > > tools/perf/arch/arm64/entry/syscalls/Kbuild | 3 + > > .../arch/arm64/entry/syscalls/Makefile.syscalls | 6 + > > tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 46 -- > > .../perf/arch/arm64/entry/syscalls/syscall_32.tbl | 476 +++++++++++++++++++ > > .../perf/arch/arm64/entry/syscalls/syscall_64.tbl | 1 + > > tools/perf/arch/arm64/include/syscall_table.h | 8 + > > tools/perf/arch/csky/entry/syscalls/Kbuild | 2 + > > .../arch/csky/entry/syscalls/Makefile.syscalls | 3 + > > tools/perf/arch/csky/include/syscall_table.h | 2 + > > tools/perf/arch/loongarch/Makefile | 22 - /scratch/ewlu/ppa/new-glibc-dumps$ file core._home_ubuntu_glibc_glibc-2_39_build-tree_riscv64-libc_elf_ld_so.1000.a95f9a60-edce-47cf-a6fb-14d3a1705685.58093.1340004> > tools/perf/arch/loongarch/entry/syscalls/Kbuild | 2 + > > .../loongarch/entry/syscalls/Makefile.syscalls | 3 + > > .../arch/loongarch/entry/syscalls/mksyscalltbl | 45 -- > > tools/perf/arch/loongarch/include/syscall_table.h | 2 + > > tools/perf/arch/mips/entry/syscalls/Kbuild | 2 + > > .../arch/mips/entry/syscalls/Makefile.syscalls | 5 + > > tools/perf/arch/mips/entry/syscalls/mksyscalltbl | 32 -- > > tools/perf/arch/mips/include/syscall_table.h | 2 + > > tools/perf/arch/parisc/entry/syscalls/Kbuild | 3 + > > .../arch/parisc/entry/syscalls/Makefile.syscalls | 6 + > > tools/perf/arch/parisc/entry/syscalls/syscall.tbl | 463 +++++++++++++++++++ > > tools/perf/arch/parisc/include/syscall_table.h | 8 + > > tools/perf/arch/powerpc/Makefile | 25 - > > tools/perf/arch/powerpc/entry/syscalls/Kbuild | 3 + > > .../arch/powerpc/entry/syscalls/Makefile.syscalls | 6 + > > .../perf/arch/powerpc/entry/syscalls/mksyscalltbl | 39 -- > > tools/perf/arch/powerpc/include/syscall_table.h | 8 + > > tools/perf/arch/riscv/Makefile | 22 - > > tools/perf/arch/riscv/entry/syscalls/Kbuild | 2 + > > .../arch/riscv/entry/syscalls/Makefile.syscalls | 4 + > > tools/perf/arch/riscv/entry/syscalls/mksyscalltbl | 47 -- > > tools/perf/arch/riscv/include/syscall_table.h | 8 + > > tools/perf/arch/s390/Makefile | 21 - > > tools/perf/arch/s390/entry/syscalls/Kbuild | 2 + > > .../arch/s390/entry/syscalls/Makefile.syscalls | 5 + > > tools/perf/arch/s390/entry/syscalls/mksyscalltbl | 32 -- > > tools/perf/arch/s390/include/syscall_table.h | 2 + > > tools/perf/arch/sh/entry/syscalls/Kbuild | 2 + > > .../perf/arch/sh/entry/syscalls/Makefile.syscalls | 4 + > > tools/perf/arch/sh/entry/syscalls/syscall.tbl | 472 +++++++++++++++++++ > > tools/perf/arch/sh/include/syscall_table.h | 2 + > > tools/perf/arch/sparc/entry/syscalls/Kbuild | 3 + > > .../arch/sparc/entry/syscalls/Makefile.syscalls | 5 + > > tools/perf/arch/sparc/entry/syscalls/syscall.tbl | 514 +++++++++++++++++++++ > > tools/perf/arch/sparc/include/syscall_table.h | 8 + > > tools/perf/arch/x86/Build | 1 - > > tools/perf/arch/x86/Makefile | 25 - > > tools/perf/arch/x86/entry/syscalls/Kbuild | 3 + > > .../perf/arch/x86/entry/syscalls/Makefile.syscalls | 6 + > > tools/perf/arch/x86/entry/syscalls/syscalltbl.sh | 42 -- > > tools/perf/arch/x86/include/syscall_table.h | 8 + > > tools/perf/arch/xtensa/entry/syscalls/Kbuild | 2 + > > .../arch/xtensa/entry/syscalls/Makefile.syscalls | 4 + > > tools/perf/arch/xtensa/entry/syscalls/syscall.tbl | 439 ++++++++++++++++++ > > tools/perf/arch/xtensa/include/syscall_table.h | 2 + > > tools/perf/builtin-check.c | 2 - > > tools/perf/builtin-help.c | 2 - > > tools/perf/builtin-trace.c | 30 -- > > tools/perf/check-headers.sh | 9 + > > tools/perf/perf.c | 6 +- > > tools/perf/scripts/Makefile.syscalls | 61 +++ > > tools/perf/scripts/syscalltbl.sh | 86 ++++ > > tools/perf/tests/make | 7 +- > > tools/perf/util/env.c | 6 +- > > tools/perf/util/generate-cmdlist.sh | 4 +- > > tools/perf/util/syscalltbl.c | 90 +--- > > tools/perf/util/syscalltbl.h | 1 - > > tools/scripts/syscall.tbl | 409 ++++++++++++++++ > > 87 files changed, 4105 insertions(+), 623 deletions(-) > > --- > > base-commit: 034b5b147bf7f44a45e39334725f8633b7ca8c3b > > change-id: 20240913-perf_syscalltbl-6f98defcc6f5 > > -- > > - Charlie
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