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SubjectRe: [PATCH 3/8] perf test: Use a test program in perf record tests
On Mon, Oct 24, 2022 at 9:00 AM Arnaldo Carvalho de Melo
<acme@kernel.org> wrote:
>
> Em Mon, Oct 24, 2022 at 05:00:14PM +0300, Adrian Hunter escreveu:
> > On 24/10/22 14:33, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Oct 20, 2022 at 04:52:14PM -0700, Ian Rogers escreveu:
> > >> I wonder if these utilities should just be built into perf to avoid
> > >> the cc dependency. Perhaps we can have a hidden option built into
> > >> perf test.
>
> > > Agreed, not depending on a compiler makes 'perf test' usable in more
> > > systems, particularly production ones where we may want to check if perf
> > > is passing all tests applicable to that system.
>
> > I haven't seen anyone package anything except the perf executable, so
> > I presume the only people running these tests install the source, and
> > so need a compiler anyway.
>
> Humm?
>
> [root@quaco ~]# head -3 /etc/os-release
> NAME="Fedora Linux"
> VERSION="36 (Workstation Edition)"
> ID=fedora
> [root@quaco ~]#G
>
> [root@quaco ~]# rpm -qi perf
> Name : perf
> Version : 5.19.4
> Release : 200.fc36
> Architecture: x86_64
> Install Date: Mon 24 Oct 2022 12:57:34 PM -03
> Group : Unspecified
> Size : 12663136
> License : GPLv2
> Signature : RSA/SHA256, Thu 25 Aug 2022 07:16:04 PM -03, Key ID 999f7cbf38ab71f4
> Source RPM : kernel-tools-5.19.4-200.fc36.src.rpm
> Build Date : Thu 25 Aug 2022 06:30:42 PM -03
> Build Host : bkernel02.iad2.fedoraproject.org
> Packager : Fedora Project
> Vendor : Fedora Project
> URL : http://www.kernel.org/
> Bug URL : https://bugz.fedoraproject.org/kernel-tools
> Summary : Performance monitoring for the Linux kernel
> Description :
> This package contains the perf tool, which enables performance monitoring
> of the Linux kernel.
> [root@quaco ~]#
>
> [root@quaco ~]# rpm -ql perf
> /etc/bash_completion.d/perf
> /usr/bin/perf
> /usr/lib/.build-id
> /usr/lib/.build-id/0c
> /usr/lib/.build-id/0c/54d587cab1b533b9ab777717ddd256ff84f241
> /usr/lib/.build-id/15
> /usr/lib/.build-id/15/6552556be0d4ca8cffb8e002d8a67add55aed5
> /usr/lib/.build-id/15/c4dfaa3861f530ef60def5506385d4b0b8924f
> /usr/lib/.build-id/1f
> /usr/lib/.build-id/1f/799c084e326516a24a647cfd5f484cd054e0a2
> /usr/lib/.build-id/23
> /usr/lib/.build-id/23/311fe148dd3f3d487ca5ace54ff2faa72ea8da
> /usr/lib/.build-id/37
> /usr/lib/.build-id/37/c9ee70f321fae7fc1fc00fca91514c63f9f052
> /usr/lib/.build-id/54
> /usr/lib/.build-id/54/43b6bc332ad188b907fdde69ac02c9a69d158f
> /usr/lib/.build-id/7e
> /usr/lib/.build-id/7e/55e7a8e4df03137ec23b4135e205bc8eb77e05
> /usr/lib/.build-id/84
> /usr/lib/.build-id/84/3c3863a123d129c98fa7cb99a58d620c9e5edc
> /usr/lib/.build-id/86
> /usr/lib/.build-id/86/d063d2f9833a447d96504e5f9e472048d12c49
> /usr/lib/.build-id/98
> /usr/lib/.build-id/98/a28589fde6ce95d9f3d305f7c9853333a9415b
> /usr/lib/.build-id/9e
> /usr/lib/.build-id/9e/567f55ca9c2b4867eb95d4182da07d4843976d
> /usr/lib/.build-id/b6
> /usr/lib/.build-id/b6/f8c9a6d6e1990f8577a9fbac875f812a316a20
> /usr/lib/.build-id/c0
> /usr/lib/.build-id/c0/8b255f02ce8f3e90df2b6156d2d38b1221995d
> /usr/lib/.build-id/d5/e964c3413f52492e6355852d25b2ab23b03e38
> /usr/lib/.build-id/e8
> /usr/lib/.build-id/e8/2de614bf77f501a4511cb70151b98392669c77

Interesting, it contains some build-ids for system libraries?

Thanks,
Namhyung

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