On Sun, 30 Aug 2009, Rafael J. Wysocki wrote: > > > For testing purposes it would be nice to have a one-line summary for > > > each device containing a thread ID, start timestamp, end timestamp, and > > > elapsed time. With that information you could evaluate the amount of > > > parallelism and determine where the bottlenecks are. It would give a > > > much more detailed picture of the entire process than the total time of > > > your recent patch 9. > > > > Of course it would. I think I'll implement it. > > OK, below is a patch for that. It only prints the time elapsed, because the > timestamps themselves can be obtained from the usual kernel timestamping. Does that include the start timestamps? I don't see them anywhere in the patch. Without the start timestamps we have no way to know how much time was spent waiting for dpm_list_mtx or other resources as opposed to actually carrying out the operation. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
