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Date:   Mon, 29 Mar 2021 11:04:30 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Yonghong Song <yhs@fb.com>
Cc:     Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>,
        dwarves@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
        Andrii Nakryiko <andrii@kernel.org>,
        Bill Wendling <morbo@google.com>, bpf@vger.kernel.org,
        kernel-team@fb.com
Subject: Re: [PATCH dwarves 3/3] dwarf_loader: add option to merge more dwarf
 cu's into one pahole cu
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Em Fri, Mar 26, 2021 at 04:05:45PM -0700, Yonghong Song escreveu:
> On 3/26/21 11:19 AM, Arnaldo Carvalho de Melo wrote:
> > [acme@five pahole]$ fullcircle ./tcp_ipv4.o
> > /home/acme/bin/fullcircle: line 40: 984531 Segmentation fault      (core dumped) ${codiff_bin} -q -s $file $o_output
> 
> The .o file in lto build is not really an elf .o, it is llvm internal
> ir bitcode.

This one wasn't from a LTO build, I'll revisit this soon. Testing v3
now.

- Arnaldo
 
> > [acme@five pahole]$ pahole --help | grep merge
> >        --merge_cus            Merge all cus (except possible types_cu)
> > [acme@five pahole]$
> > 
> > 
> > - Arnaldo
> > 

-- 

- Arnaldo