Messages in this thread | | | Date | Fri, 15 Jun 2012 20:47:02 +0200 | Subject | Re: [PATCH V6 06/13] perf: Add Nehalem and Sandy Bridge uncore support | From | Stephane Eranian <> |
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On Fri, Jun 15, 2012 at 7:29 PM, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote: > On Fri, 2012-06-15 at 14:31 +0800, Yan, Zheng wrote: >> +static struct uncore_event_desc nhm_uncore_events[] = { >> + INTEL_UNCORE_EVENT_DESC(CLOCKTICKS, "config=0xffff"), > > Why does that use config=0xffff, also I couldn't find event 0xff listed, > is it special-cased somewhere? That's becase some uncore have 1 fixed counter to count uncore cycles. That means no specific encoding, so we need to make one up just like for core PMU and the ref-cycle event.
> >> + /* full cache line writes to DRAM */ >> + INTEL_UNCORE_EVENT_DESC(QMC_WRITES_FULL_ANY, "event=0x2f,umask=0xf"), >> + /* Quickpath Memory Controller normal priority read requests */ >> + INTEL_UNCORE_EVENT_DESC(QMC_NORMAL_READS_ANY, "event=0x2c,umask=0xf"), >> + /* Quickpath Home Logic read requests from the IOH */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_IOH_READS, >> + "event=0x20,umask=0x1"), >> + /* Quickpath Home Logic write requests from the IOH */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_IOH_WRITES, >> + "event=0x20,umask=0x2"), >> + /* Quickpath Home Logic read requests from a remote socket */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_REMOTE_READS, >> + "event=0x20,umask=0x4"), >> + /* Quickpath Home Logic write requests from a remote socket */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_REMOTE_WRITES, >> + "event=0x20,umask=0x8"), >> + /* Quickpath Home Logic read requests from the local socket */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_LOCAL_READS, >> + "event=0x20,umask=0x10"), >> + /* Quickpath Home Logic write requests from the local socket */ >> + INTEL_UNCORE_EVENT_DESC(QHL_REQUEST_LOCAL_WRITES, >> + "event=0x20,umask=0x20"), >> + { /* end: all zeroes */ }, >> +}; > > The rest of the events seem to be valid on both NHM and WSM, I didn't > look very closely, but it looks like WSM has a few extra events, but > includes all NHM events. > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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