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profiling Octave
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From: |
John W. Eaton |
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Subject: |
profiling Octave |
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Date: |
Thu, 5 Feb 2009 12:14:19 -0500 |
On 5-Feb-2009, Jaroslav Hajek wrote:
| has anyone experience profiling with gcc/g++?
| I wanted to try profiling Octave to identify hot spots in the
| interpreter, but can't get it to work.
| I configured using configure CFLAGS="-O2 -pg" CXXFLAGS="-O2 -pg"
| LDFLAGS=-pg, then built and ran ./run-octave on a test script.
| It produced a gmon.out file, but `gprof src/octave' does not show
| anything. So far I was unable to find any useful information how to
| get this working. A similar strategy works on a single sample C++ file
| (g++ -pg, then gprof).
| Has anyone experience with this? I would really prefer to do this with
| GCC rather than a commercial compiler.
Can gprof handle shared libraries? You might need to build a copy of
Octave that is statically linked.
jwe