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Re: Port the period data column to centos6.7 for perf script

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  Re: Port the period data column to centos6.7 for perf script Andi Kleen <ak@linux.intel.com> - 2017-09-15 06:30 +0200
    Re: Port the period data column to centos6.7 for perf script Arnaldo Carvalho de Melo <acme@redhat.com> - 2017-09-15 12:20 +0200

#1732706 — Re: Port the period data column to centos6.7 for perf script

On Fri, Sep 15, 2017 at 10:24:15AM +0800, 禹舟键 wrote:
>    Hi, all.
>    I want to draw off-cpu flamegraph using perf script on centos6.7(kernel
>    version, 2.6.32-573), and I found perf script lacks the period data column
>    on that version. I  found two related patches, and modifed
>    builin-script.c in reference to those patches.
>    perf script:Add period data column authorJiri Olsa 2014-08-25 16:45:42
>    +0200 commit535aeaae7de821ba5d43ee2a204ee667ca95aae4
>    perf script: Add period as a default output column
>    commite8564b710c6df2c3aeb56c507c22f4bcfa4c0b2d)
> 

I would just compile the newer perf binary for Centos6 and use that. It should
work with older kernels too. That's much easier than backporting, and you get
many more features.

-Andi

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#1732812

Em Thu, Sep 14, 2017 at 09:21:54PM -0700, Andi Kleen escreveu:
> On Fri, Sep 15, 2017 at 10:24:15AM +0800, 禹舟键 wrote:
> >    Hi, all.
> >    I want to draw off-cpu flamegraph using perf script on centos6.7(kernel
> >    version, 2.6.32-573), and I found perf script lacks the period data column
> >    on that version. I  found two related patches, and modifed
> >    builin-script.c in reference to those patches.
> >    perf script:Add period data column authorJiri Olsa 2014-08-25 16:45:42
> >    +0200 commit535aeaae7de821ba5d43ee2a204ee667ca95aae4
> >    perf script: Add period as a default output column
> >    commite8564b710c6df2c3aeb56c507c22f4bcfa4c0b2d)
 
> I would just compile the newer perf binary for Centos6 and use that. It should
> work with older kernels too. That's much easier than backporting, and you get
> many more features.

yeah, look at the Dockerfile I use to build it for that OS:

[acme@jouet 6]$ cat Dockerfile 
# docker.io/acmel/linux-perf-tools-build-centos:6
FROM docker.io/centos:6
MAINTAINER Arnaldo Carvalho de Melo <acme@kernel.org>
RUN yum -y update && \
    yum -y install make gcc flex bison bc elfutils-libelf-devel elfutils-devel \
		   libunwind-devel audit-libs-devel openssl-devel slang-devel \
		   gtk2-devel perl-ExtUtils-Embed python-devel binutils-devel \
		   systemtap-sdt-devel xz-devel numactl-devel && \
    yum -y clean all && \
    rm -rf /usr/share/doc /usr/share/gtk-doc /usr/share/man && \
    mkdir -m 777 -p /tmp/build/perf /tmp/build/objtool && \
    groupadd -r perfbuilder && \
    useradd -m -r -g perfbuilder perfbuilder
USER perfbuilder
ENTRYPOINT make -C /git/linux/tools/perf O=/tmp/build/perf && \
	   rm -rf /tmp/build/perf/{.[^.]*,*} && \
	   make NO_LIBELF=1 -C /git/linux/tools/perf O=/tmp/build/perf && \
	   make -C /git/linux/tools/objtool O=/tmp/build/objtool
[acme@jouet 6]$

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