Hi Jin, thanks, I can reproduce it.
This is a bug in KCachegrind, and not in callgrind itself. For some reason, the caller/callee view does not correctly recognize this as recursive function call. It simply should leave the cost column empty. Simple workaround: just ignore. Josef Am 11.05.2014 22:55, schrieb Jin Tack Lim: > > The version of valgrind: valgrind-3.9.0 > HW/OS: Macbook pro retina(core: i7), Ubuntu 12.04 on Parallels. > > Following link has the callgrind file. > https://www.dropbox.com/s/241sovlq14nrxmi/callgrind.tar.gz > > I’m not sure the function name, > but the caller of the function is “create_internal_node_use_extension”, > incl. is 70.73% > This function is a directly recursive function. > If you see the callees tab, you can see one of the callee takes 408.45% > However, if you see call graph, this callee is disappeared. > > I turned on “Relative”, “Cycle Detection”, “Relative to Parent” option > in kcachegrind. > > > On May 11, 2014, at 2:17 PM, John Reiser <jrei...@bitwagon.com > <mailto:jrei...@bitwagon.com>> wrote: > >>> While I was profiling CGAL4.4 Spatial searching with callgrind, >>> I found that some function takes more than 100% of instruction. :( >>> I compiled CGAL with -g and -O0 options. >>> >>> Is this common for other applications? >> >> No. >> >>> Any idea?? >> >> Tell us which version of callgrind. >> Tell us the name of the hardware architecture and operating system and >> runtime library. >> Tell us the name of the function, and the actual counts which seem bad. >> Is there only one function with bad counts? >> Is it directly recursive (calls itself)? >> Is it indirectly recursive (is in a recursive loop of multiple functions)? >> >> >> >> >> ------------------------------------------------------------------------------ >> Is your legacy SCM system holding you back? Join Perforce May 7 to >> find out: >> • 3 signs your SCM is hindering your productivity >> • Requirements for releasing software faster >> • Expert tips and advice for migrating your SCM now >> http://p.sf.net/sfu/perforce >> _______________________________________________ >> Valgrind-users mailing list >> Valgrind-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/valgrind-users > > > > ------------------------------------------------------------------------------ > Is your legacy SCM system holding you back? Join Perforce May 7 to find out: > • 3 signs your SCM is hindering your productivity > • Requirements for releasing software faster > • Expert tips and advice for migrating your SCM now > http://p.sf.net/sfu/perforce > > > > _______________________________________________ > Valgrind-users mailing list > Valgrind-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/valgrind-users > ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
