* Peter Zijlstra (pet...@infradead.org) wrote: > On Mon, 2010-09-13 at 15:31 -0400, Mathieu Desnoyers wrote: > > > Ok, so can we play the same trick you're playing with the sampling > > > buffer, i.e., you use alloc_pages_node() for one page at a time, and > > > then you stitch them on demand via SW? > > > > Well, a thought is striking me: it sounds like you are re-doing YAORB (short > > for Yet Another Ring Buffer, > > He's not.. the hardware needs a large (virtually) contiguous region to > poke data into, we need to read it out from NMI context.
Ah ok, it's different then. Thanks, Mathieu -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel