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List:       oprofile-list
Subject:    Re: Help needed from OProfile community (re-formatted)
From:       Maynard Johnson <maynardj () us ! ibm ! com>
Date:       2012-01-26 22:02:47
Message-ID: 4F21CD87.7030504 () us ! ibm ! com
[Download RAW message or body]

A couple minor edits . . .

On 01/26/2012 3:33 PM, Maynard Johnson wrote:
>
>
> 1. [PATCH] Fix debuginfo processing for non-ppc64 architectures

Misnamed patch . . . Should be "Fix debuginfo processing for all architectures"

>      Posted Jan 6
>         Symptom:    If shared libraries have been stripped of symbol information, users
>      must make debuginfo files available that contain the symbol information for those
>      libraries so that opreport can attribute samples to symbols for those libraries.
>      But in a prelinked environment (e.g., RHEL, Fedora), opreport does not correctly
>      process the debuginfo files, thus generating report data such as the following:
>
>         samples    %                image name                              symbol name
>         1531            6.2205    libcairo.so.2.11000.2        /usr/lib64/libcairo.so.2.11000.2
>
>
>        In the example given above, the debuginfo package corresponding to the cairo
>      package has been installed.    Note that this problem only occurs where the shared
>      library is completely stripped of symbol information.    And on RHEL and Fedora, basic
>      symbol information is retained in the runtime library, so this symptom does not appear
                                                     ^--libc
>      with samples taken in libc.
>


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