[PATCH v3 00/16] perf tools: Use generic syscall scripts for all archs
Charlie Jenkins
charlie at rivosinc.com
Tue Dec 17 17:11:09 PST 2024
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 at rivosinc.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 at rivosinc.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 at google.com>
> On x86-64:
> Tested-by: Ian Rogers <irogers at google.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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