linux-kernel - Re: [PATCH v4 01/10] feature: implement libzstd check, LIBZSTD_DIR and NO

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Date:   Fri, 1 Mar 2019 09:52:28 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 01/10] feature: implement libzstd check, LIBZSTD_DIR
 and NO_LIBZSTD defines


On 28.02.2019 23:11, Alexey Budankov wrote:
> 
> On 28.02.2019 21:46, Arnaldo Carvalho de Melo wrote:
>> Em Thu, Feb 28, 2019 at 11:59:01AM +0300, Alexey Budankov escreveu:
>>> +++ b/tools/build/Makefile.feature
>>> @@ -66,7 +66,8 @@ FEATURE_TESTS_BASIC :=                  \
>>>          sched_getcpu			\
>>>          sdt				\
>>>          setns				\
>>> -        libaio
>>> +        libaio				\
>>> +        libzstd
>>
>> Since you added this as a basic feature to test, add this when you
>> resubmit, so that 'perf -vv' tells us that this basic feature is indeed
>> present.
> 
> Yes, will do. Actually came to similar idea when 
> observed your test report in pull requests:
> 
> # perf version --build-options
>   perf version 5.0.rc5.gde667c
>                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
>       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
>                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
>                     gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
>            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
>                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
>                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
>                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
>   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
>                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
>                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
>                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
>                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
>                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
>       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
>                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
>                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
>                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
>                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
> 
> and it misses HAVE_ZSTD_SUPPORT define.

implemented this:

tools/perf/perf -vv
perf version 4.13.rc5.g20492c
                 dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
    dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                 glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
                  gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
         syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
               libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
               libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
             libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
              libslang: [ on  ]  # HAVE_SLANG_SUPPORT
             libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
             libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
    libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                  zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                  lzma: [ on  ]  # HAVE_LZMA_SUPPORT
             get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                   bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                   aio: [ on  ]  # HAVE_AIO_SUPPORT		<=
                  zstd: [ on  ]  # HAVE_ZSTD_SUPPORT		<=

~Alexey

> 
> Thanks,
> Alexey
> 
>>
>>
>> diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
>> index 50df168be326..d41197fc8cef 100644
>> --- a/tools/perf/builtin-version.c
>> +++ b/tools/perf/builtin-version.c
>> @@ -78,6 +78,7 @@ static void library_status(void)
>>  	STATUS(HAVE_LZMA_SUPPORT, lzma);
>>  	STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
>>  	STATUS(HAVE_LIBBPF_SUPPORT, bpf);
>> +	STATUS(HAVE_ZSTD_SUPPORT, bpf);
>>  }
>>  
>>  int cmd_version(int argc, const char **argv)
>>
>