I think that will do for now. Thanks! - Matt
On May 16, 2011, at 9:26 AM, Julian Seward <[email protected]> wrote: > > It's not directly what you're after, but have you tried the exp-dhat > tool in 3.6.x ? (--tool=exp-dhat) > > Amongst things it can find allocation stacks responsible for large amounts > of short term allocation, which sounds like what you're trying to find. > > See > http://www.valgrind.org/docs/manual/dh-manual.html > > J > > On Monday, May 16, 2011, Matt Fago wrote: >> At the end of a run (--tool=memcheck) Valgrind prints heap allocation info >> such as: >> >> "total heap usage: 486 allocs, 473 frees, 82,166 bytes allocated" >> >> Massif allows one to gather data about total instantaneous heap usage at >> particular sampling times during program execution. However, I have >> another (common?) use-case that I'm not sure is addressed. >> >> In particular, the "82,166 bytes allocated" refers to the cumulative sum of >> _all_ heap allocations, including temporaries. Accidentally allocating >> temporaries on the heap can be a large performance issue. With some >> languages (e.g., C++) it can also be fairly difficult to track down in a >> large program (e.g., a missing "&"). >> >> Is there some way to get a callgrind-like output for total heap allocations >> performed by each function? It could be broken down into "self" and >> "total" (e.g., those internal to the procedure, and those that persist >> after the procedure exits). Such data would be very useful in tracking >> down heap allocation bugs. As of yet I have not been able to find any such >> capability. >> >> Thank you for a great tool! >> >> - Matt Fago >> >> >> --------------------------------------------------------------------------- >> --- Achieve unprecedented app performance and reliability >> What every C/C++ and Fortran developer should know. >> Learn how Intel has extended the reach of its next-generation tools >> to help boost performance applications - inlcuding clusters. >> http://p.sf.net/sfu/intel-dev2devmay >> _______________________________________________ >> Valgrind-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/valgrind-users > ------------------------------------------------------------------------------ Achieve unprecedented app performance and reliability What every C/C++ and Fortran developer should know. Learn how Intel has extended the reach of its next-generation tools to help boost performance applications - inlcuding clusters. http://p.sf.net/sfu/intel-dev2devmay _______________________________________________ Valgrind-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/valgrind-users
