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Mention --num-callers more in DHAT docs.

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Nicholas Nethercote 2019-04-08 10:18:38 +10:00
parent 19738d1a42
commit b71265fbc9
1 changed files with 7 additions and 1 deletions
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8
dhat/docs/dh-manual.xml
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@ -67,7 +67,9 @@ Valgrind use, you probably do want to turn optimisation on, since you should
profile your program as it will be normally run.</para>
<para>Second, you need to run your program under DHAT to gather the profiling
information.</para>
information. You might need to reduce the <option>--num-callers</option> value
to get reasonably-sized output files, especially if you are profiling a large
program; some trial and error might be needed to find a good value.</para>
<para>Finally, you need to use DHAT's viewer (in a web browser) to get a
detailed presentation of that information.</para>
@ -146,6 +148,10 @@ built with full debugging information.</para>
<computeroutput>dh_view.html</computeroutput>. Use the "Load" button to choose
a DHAT output file to view.</para>
<para>If loading takes a long time, it might be worth re-running DHAT with a
smaller <option>--num-callers</option> value to reduce the stack depths,
because this can significantly reduce the size of DHAT's output files.</para>
<sect2><title>The Output Header</title>