linux-kernel - Re: [PATCH 4/7] perf script: Add --inline option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 24 May 2017 08:38:11 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, kernel-team@....com,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Milian Wolff <milian.wolff@...b.com>,
        Yao Jin <yao.jin@...ux.intel.com>
Subject: Re: [PATCH 4/7] perf script: Add --inline option


* Namhyung Kim <namhyung@...nel.org> wrote:

> The --inline option is to show inlined functions in callchains.
> 
> For example,
> 
>   $ perf script
>   a.out  5644 11611.467597:     309961 cycles:u:
>                      790 main (/home/namhyung/tmp/perf/a.out)
>                    20511 __libc_start_main (/usr/lib/libc-2.25.so)
>                      8ba _start (/home/namhyung/tmp/perf/a.out)
>   ...
> 
>   $ perf script --inline
>   a.out  5644 11611.467597:     309961 cycles:u:
>                      790 main (/home/namhyung/tmp/perf/a.out)
>                          std::__detail::_Adaptor<std::linear_congruential_engine<unsigned long, 16807ul, 0ul, 2147483647ul>, double>::operator()
>                          std::uniform_real_distribution<double>::operator()<std::linear_congruential_engine<unsigned long, 16807ul, 0ul, 2147483647ul> >
>                          std::uniform_real_distribution<double>::operator()<std::linear_congruential_engine<unsigned long, 16807ul, 0ul, 2147483647ul> >
>                          main
>                    20511 __libc_start_main (/usr/lib/libc-2.25.so)
>                      8ba _start (/home/namhyung/tmp/perf/a.out)
>   ...

Shouldn't this be the default behavior, to make call chains more readable?

Thanks,

	Ingo