On Fri, 14 Nov, at 09:15:01PM, Matt Fleming wrote: > From: Matt Fleming <[email protected]> > > This patch series adds a new PMU driver for the Intel Cache Monitoring > hardware feature available in Intel Xeon processors, which allows > monitoring of LLC occupancy on a task, group or system-wide basis. > > The first few patches modify tools/perf to handle per-package counters, > which necessitates discarding some values when doing per-cpu reads to > avoid getting duplicate data. The rest add support for the new PMU code. > > I've left a notoriously funky bit of code near the end of the series, > the RMID rotation code, in an attempt to simplify things. Doing the > rotation provides the ability to multiplex the RMIDs and basically > overcome the hardware limitation, but the rest of the patches work fine > without it. But there are a number of scenarios where being able to > monitor more tasks than RMIDs is extremely useful. > > The series is based on tip/perf/core.
Any feedback on this series? Stephane, the original thread is here, https://lkml.kernel.org/r/[email protected] -- Matt Fleming, Intel Open Source Technology Center -- 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/
