[Bug gprofng/30942] New: [display html] Improve the performance

[ruud.vanderpas at oracle dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30942

            Bug ID: 30942
           Summary: [display html] Improve the performance
           Product: binutils
           Version: 2.41
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: gprofng
          Assignee: vladimir.mezentsev at oracle dot com
          Reporter: ruud.vanderpas at oracle dot com
  Target Milestone: ---

In Bugzilla 30989, John Doe reports the following:

"recording a sample program that uses lots of shared object files (most loaded
with dlopen) using "gprofng collect app" is quite fast; doing the "gprofng
display html" afterwards was... unexpected.


The first process took several minutes and wrote hundreds of MBs (mostly
disassembly) to disk
/tmp/install/bin/gp-display-text -limit 1000000 -viewmode machine -compare off
-script display.2.html/gp-script /tmp/binutils-2.41/build/test.2.er

The second process ran even much longer (actually I've killt it after taking a
single complete core for over 2 hours)

perl /tmp/install/bin/gp-display-html --whoami=gprofng display html test.2.er


Both processes ran on a single core, so the main question here is: is it
possible to use multiple cores for those tasks?"

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