On Fri, Nov 16, 2007 at 04:29:05PM -0800, David Miller wrote: > From: dean gaudet <[EMAIL PROTECTED]> > Date: Fri, 16 Nov 2007 09:51:08 -0800 (PST) > > > On Fri, 16 Nov 2007, Andi Kleen wrote: > > > > > I didn't see a clear list. > > > > - cross platform extensible API for configuring perf counters > > - support for multiplexed counters > > - support for virtualized 64-bit counters > > - support for PC and call graph sampling at specific intervals > > - support for reading counters not necessarily with sampling > > - taskswitch support for counters > > - API available from userland > > - ability to self-monitor: need select/poll/etc interface > > - support for PEBS, IBS and whatever other new perf monitoring > > infrastructure the vendors through at us in the future > > - low overhead: must minimize the "probe effect" of monitoring > > - low noise in measurements: cannot achieve this in userland > > > > permon2 has all of this and more i've probably neglected... > > I want to state that even though I've been a stickler on the system > call stuff, in general I want to see perfmon2 go into tree and I agree > with how most of the infrastructure is implemented and the features it > provides.
Now if we only had a series of patches that we could actually review and apply to the -mm tree so that people can try them out... :) thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
