On Wed, 2015-02-25 at 20:15 -0800, tip-bot for Matt Fleming wrote:
> Commit-ID: 4afbb24ce5e723c8a093a6674a3c33062175078a
> Gitweb: http://git.kernel.org/tip/4afbb24ce5e723c8a093a6674a3c33062175078a
> Author: Matt Fleming <[email protected]>
> AuthorDate: Fri, 23 Jan 2015 18:45:44 +0000
> Committer: Ingo Molnar <[email protected]>
> CommitDate: Wed, 25 Feb 2015 13:53:32 +0100
>
> perf/x86/intel: Add Intel Cache QoS Monitoring support
>
> Future Intel Xeon processors support a Cache QoS Monitoring feature that
> allows tracking of the LLC occupancy for a task or task group, i.e. the
> amount of data in pulled into the LLC for the task (group).
>
> Currently the PMU only supports per-cpu events. We create an event for
> each cpu and read out all the LLC occupancy values.
>
> Because this results in duplicate values being written out to userspace,
> we also export a .per-pkg event file so that the perf tools only
> accumulate values for one cpu per package.
>
> Signed-off-by: Matt Fleming <[email protected]>
> Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
> Cc: Arnaldo Carvalho de Melo <[email protected]>
> Cc: Arnaldo Carvalho de Melo <[email protected]>
> Cc: H. Peter Anvin <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: Kanaka Juvva <[email protected]>
> Cc: Linus Torvalds <[email protected]>
> Cc: Vikas Shivappa <[email protected]>
> Link:
> http://lkml.kernel.org/r/[email protected]
> Signed-off-by: Ingo Molnar <[email protected]>
> ---
> arch/x86/kernel/cpu/perf_event_intel_cqm.c | 530
> +++++++++++++++++++++++++++++
> include/linux/perf_event.h | 7 +
> 2 files changed, 537 insertions(+)
Weird. I just noticed that the Makefile hunk got dropped. Was that
intentional?
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 80091ae54c2b..6c1ca139f736 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_CPU_SUP_AMD) +=
perf_event_amd_iommu.o
endif
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o
perf_event_p4.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o
perf_event_intel_ds.o perf_event_intel.o
-obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o
+obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o
perf_event_intel_cqm.o
obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += perf_event_intel_uncore.o \
perf_event_intel_uncore_snb.o \
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