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When you use the "--gv" option in GPerfTool's pprof command, you get a very pretty graph. Yay.

Lines are either thick, thin, dashed or solid. I figure thick/thin is based on the number of sample entries that follow that line.

But I have neither figure out nor found documentation as to what the dashed line means. Am currently going thru the pprof CODE, but frankly that's a REALLY STUPID way to figure out what it means. Thus, in addition to answering what the dashed line means, can you please point out some document that gives a legend of the pprof gv format?

This one (http://goog-perftools.sourceforge.net/doc/cpu_profiler.html) must be out of date, as it has no mention of the dashed format...leading me to worry that it might be QUITE out of date.

Mark Gerolimatos
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2 Answers2

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From the code, it APPEARS that a dashed line means an inline function call. However, confirmation would be good.

DOCUMENTATION would be even better!

  if ($x[1] =~ m/\(inline\)/) {
    $style .= ",dashed";
  }

source

Tharif
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Mark Gerolimatos
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0

The target node of any dashed arc contains "(inline)".

John Reiser
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