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From: Vikas <cat...@gm...> - 2007-04-13 21:47:41
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Yes , ASAIK also its no . those multiprocessor related details things are done in simulators like SIMICS which i worked on ... On 4/13/07, Josef Weidendorfer <Jos...@gm...> wrote: > > On Friday 13 April 2007, Andrew Shewmaker wrote: > > Hi, > > > > I was wondering if valgrind had the kind of functionality that memspy > > does. For example, can it tell me which of three data structures > > referenced in a line of code is experiencing the most cache misses > > and what's pushing it out of cache? > > AFAIK no. > It should be possible, and I once started something like this, but did > not finish. However, it already showed some aggregate counters (as part > of debug output) attributed to global data symbols... > > Perhaps a simpler way would be to attribute misses to source code columns > when debug info has this information... > > Josef > > > > > MemSpy > > > > "a prototype tool that helps programmers identify and fix memory > > bottlenecks in both sequential and parallel programs. A key aspect of > > MemSpy is that it introduces the notion of data oriented, in addition > > to code oriented, performance tuning. Thus, for both source level code > > objects and data objects, MemSpy provides information such as cache > > miss rates, causes of cache misses, and in multiprocessors, > > information on cache invalidations and local versus remote memory > > misses. MemSpy also introduces a concise matrix presentation to allow > > programmers to view both code and data oriented statistics at the same > > time." > > > > http://www.cs.washington.edu/homes/tom/pubs/memspy.html > > http://www.cs.washington.edu/homes/tom/pubs/trace-samp.html > > http://www.cs.washington.edu/homes/tom/pubs/memspy95.html > > > > > > Thanks, > > > > Andrew Shewmaker > > > > > ------------------------------------------------------------------------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > > opinions on IT & business topics through brief surveys-and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > _______________________________________________ > > Valgrind-developers mailing list > > Val...@li... > > https://lists.sourceforge.net/lists/listinfo/valgrind-developers > > > > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share > your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Valgrind-developers mailing list > Val...@li... > https://lists.sourceforge.net/lists/listinfo/valgrind-developers > |