On 11/03/2010 01:51 PM, Owen Taylor wrote: > [ But yes, 4% is a big hit. 1% I would accept without hesitation. > 4% does make me hesitate a little bit. During devel cycles, we > accept much more slowdown than that for the debug kernel, > of course. If we can figure out profiling without frame > pointers, that would be even better ] Would you accept an overhead of 1 CPU cycle per subroutine call (all the time in *ALL* code) plus a few dozen cycles per subroutine call (perhaps restricted to some subset of routines) in the pieces that were being profiled at the moment? -- -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel