[oprof-cvs] [SF SCMS]oprofile branch master updated. 40c0fae650e0e9ccf255cb645e2cd66f0b3eafa6

[Maynard J. <may...@us...>]

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commit 40c0fae650e0e9ccf255cb645e2cd66f0b3eafa6
Author: Maynard Johnson <may...@us...>
Date:   Mon Jun 10 07:04:51 2013 -0500

    Print debug message when module summary count differs from total symbols counts
    
    A user who was profiling a Java application was generating various types of
    reports with opreport. He noted an anomaly involving module sample counts for
    certain binary images that were associated with the JVM (a couple shared libs
    and the <PID>.jo file created by opjitconv). The 'opreport' and 'opreport --xml'
    commands showed different module-level sample counts for these particular
    binary images.
    
    When the '--xml' option is passed to opreport, by default, it outputs
    symbol-level sample counts, so there's no way to directly compare a
    "no symbols" summary report between XML and flat text. The flat text
    summary includes all samples attributed to a binary, but when a
    symbols-level report is requested, we may find that some of those samples
    are bogus or for some reason, cannot be resolved to a symbol (e.g., the
    address lies outside the range of symbol addresses for this binary).
    The XML module summary count actually sums up the individual symbols
    counts, so that's why it's possible to see a differnce in XML module
    summary counts and flat text module summary counts.
    
    This patch adds the capability for opreport to detect a difference in
    the module summary count and the total symbols count and to print an
    INFO message when the '--verbose=debug' flag is passed.  This capability
    is documented in the opreport man page.
    
    Signed-off-by: Maynard Johnson <may...@us...>

-----------------------------------------------------------------------

Summary of changes:
 doc/opreport.1.in           |   14 ++++++++++++++
 libpp/profile.h             |    1 +
 libpp/profile_container.cpp |   16 ++++++++++++++++
 3 files changed, 31 insertions(+), 0 deletions(-)


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