On Thu, 25 Jul 2002, Richard Sharpe wrote: > Hi, > > Followinng up my message of a couple of days ago on profiling, here are > some issues profiling. > > What one would like to gather is for each SMB op requested, the total > system call time spent on that OP. > > At the moment, all that goes through the VFS stuff, and although the VFS > stuff is slightly broken as well (it should record nested values or > separate values), it would be nice if it was recorded against both system > call time in total and against the SMB op that invoked it. > > It cost of doing this would be: > > 1. A separate set of system call counts and times for each SMB op as well > as the total that are currently kept. > > 2. Slight changes to the macros to do the accounting. > > All this could be protected by an ifdef that allowed you to switch it on > if you want that level of profiling or off if you don't want to take the > performance hit.
Richard, you should check with Herb on this (if you haven't already) since he uses it a lot. cheers, jerry --------------------------------------------------------------------- Hewlett-Packard http://www.hp.com SAMBA Team http://www.samba.org -- http://www.plainjoe.org "Sam's Teach Yourself Samba in 24 Hours" 2ed. ISBN 0-672-32269-2 --"I never saved anything for the swim back." Ethan Hawk in Gattaca--
