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Re: [PATCH 17/19] perf tools: Build syscall table .c header from kernel's syscall_64.tbl

From David Ahern <dsahern@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 17/19] perf tools: Build syscall table .c header from kernel's syscall_64.tbl
Date 2016-04-08 00:00 +0200
Message-ID <rlq82-1KE-3@gated-at.bofh.it> (permalink)
References <rlpbX-16R-3@gated-at.bofh.it> <rlpbX-16R-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Upon further review ...

On 4/7/16 2:58 PM, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> We used libaudit to map ids to syscall names and vice-versa, but that
> imposes a delay in supporting new syscalls, having to wait for libaudit
> to get those new syscalls on its tables.
>
> To remove that delay, for x86_64 initially, grab a copy of
> arch/x86/entry/syscalls/syscall_64.tbl and use it to generate those
> tables.


>   tools/perf/Makefile.perf                          |  11 +-
>   tools/perf/arch/x86/Makefile                      |  23 ++
>   tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 374 ++++++++++++++++++++++
>   tools/perf/arch/x86/entry/syscalls/syscalltbl.sh  |  39 +++

Why make a copies of the files? Why can't perf reference the ones 2 
levels up?

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[PATCH 17/19] perf tools: Build syscall table .c header from kernel's syscall_64.tbl Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-07 23:00 +0200
  Re: [PATCH 17/19] perf tools: Build syscall table .c header from  kernel's syscall_64.tbl David Ahern <dsahern@gmail.com> - 2016-04-07 23:40 +0200
    Re: [PATCH 17/19] perf tools: Build syscall table .c header from  kernel's syscall_64.tbl Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-08 00:00 +0200
  Re: [PATCH 17/19] perf tools: Build syscall table .c header from  kernel's syscall_64.tbl Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> - 2016-04-08 00:00 +0200
  Re: [PATCH 17/19] perf tools: Build syscall table .c header from  kernel's syscall_64.tbl David Ahern <dsahern@gmail.com> - 2016-04-08 00:00 +0200
  Re: [PATCH 17/19] perf tools: Build syscall table .c header from  kernel's syscall_64.tbl "Wangnan (F)" <wangnan0@huawei.com> - 2016-04-08 05:30 +0200

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