Samba profiling support again ...

Gerald Carter jerry at
Fri Jul 26 07:23:02 GMT 2002

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
 SAMBA Team                             
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