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Message-ID: <Z368mNynBTDWPM6R@google.com> Date: Wed, 8 Jan 2025 09:57:44 -0800 From: Namhyung Kim <namhyung@...nel.org> To: Charlie Jenkins <charlie@...osinc.com> Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...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 v5 00/16] perf tools: Use generic syscall scripts for all archs Hello, On Tue, Jan 07, 2025 at 06:07:48PM -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> Thanks, Namhyung > > --- > 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/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 - > 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 ++++++++++++++++ > 86 files changed, 4103 insertions(+), 623 deletions(-) > --- > base-commit: 034b5b147bf7f44a45e39334725f8633b7ca8c3b > change-id: 20240913-perf_syscalltbl-6f98defcc6f5 > -- > - Charlie >
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