linux-kernel - Re: [PATCH v4 0/4] perf: Add more syscalls to benchmark

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Date:   Thu, 10 Nov 2022 09:58:59 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Namhyung Kim <namhyung@...nel.org>
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>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v4 0/4] perf: Add more syscalls to benchmark



On 11/10/2022 02:15 AM, Namhyung Kim wrote:
> Hello,
>
> On Wed, Nov 9, 2022 at 12:29 AM Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:
>>
>> Tiezhu Yang (4):
>>   tools x86: Keep list sorted by number in unistd_{32,64}.h
>>   perf bench syscall: Introduce bench_syscall_common()
>>   perf bench syscall: Add getpgrp syscall benchmark
>>   perf bench syscall: Add execve syscall benchmark
>
> Have you tested it on non-x86 too?  It seems you only added the syscall
> numbers to x86.
>

Hi Namhyung,

Thank you for your reply.

I tested only on x86, when build on arm64, there exists
the following build error:

error: ‘__NR_getpgrp’ undeclared (first use in this function)

this is because __NR_getpgrp is deprecated on some archs.

Sorry for that, let me use getpgid, I will test on x86_64, arm64,
mips64 and loongarch64, and then send v5, thank you.

Thanks,
Tiezhu