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Message-ID: <Z2IhLZ8mfTWvbCvI@ghost> Date: Tue, 17 Dec 2024 17:11:09 -0800 From: Charlie Jenkins <charlie@...osinc.com> To: Ian Rogers <irogers@...gle.com> Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 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>, Björn Töpel <bjorn@...osinc.com>, 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 v3 00/16] perf tools: Use generic syscall scripts for all archs On Tue, Dec 17, 2024 at 04:03:29PM -0800, Ian Rogers wrote: > On Mon, Dec 16, 2024 at 10:39 PM Charlie Jenkins <charlie@...osinc.com> 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> > > This is really great, thanks for taking the time for a substantial > clean up. I had difficulty applying the patches to the perf-tools-next > branch: > https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/log/?h=perf-tools-next > using patch and dealing with rejects I was able to test. > > Reviewed-by: Ian Rogers <irogers@...gle.com> > On x86-64: > Tested-by: Ian Rogers <irogers@...gle.com> Thank you! I will base my next version on perf-tools-next. - Charlie > > I think there are follow up patches that clean up the ABI, allow >1 > table at a time, .. but those things are best saved for a follow up. > > Thanks, > Ian > > > --- > > 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/feature/Makefile | 4 - > > tools/build/feature/test-libaudit.c | 11 - > > tools/perf/Documentation/perf-check.txt | 1 - > > 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 - > > 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 | 1 - > > 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 | 4 +- > > tools/perf/util/generate-cmdlist.sh | 4 +- > > tools/perf/util/syscalltbl.c | 90 +--- > > tools/scripts/syscall.tbl | 409 ++++++++++++++++ > > 85 files changed, 4102 insertions(+), 619 deletions(-) > > --- > > base-commit: fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 > > change-id: 20240913-perf_syscalltbl-6f98defcc6f5 > > -- > > - Charlie > >
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