Looking for a profiler
- From: Peter Kim <pckim_remove_@xxxxxxxxxx>
- Date: Mon, 30 Oct 2006 14:46:02 +0900 (KST)
What’s the best performance profiler for Linux? We have tried the following three products, but none is satisfactory.
1. Gprof
++++++++++++ - doesn’t support shared libraries; need a separate build statically linked
++++++++++++ - even worse than instrumentation – i.e., need a separate compilation with profile option.
++++++++++++ - no flexible GUI analyzer tool is available.
2. Visual Quantify
++++++++++++ - requires code instrumentation, but that’s not a bummer
++++++++++++ - profiling (execution) time is intolerable. Order of magnitude slower than normal execution
3. Sun Studio 11
++++++++++++ - best experience – no instrumentation, sampling-based
++++++++++++ - only User CPU profiling is available, which is pretty much useless when we want to optimize network/disk usage.
Does anyone have any immediate experience and recommendation?
Thanks
--
Peter
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