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Date: Thu, 27 Feb 2014 13:05:03 -0800 From: Cody P Schafer <cody@...ux.vnet.ibm.com> To: Linux PPC <linuxppc-dev@...ts.ozlabs.org>, Anshuman Khandual <khandual@...ux.vnet.ibm.com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Cody P Schafer <cody@...ux.vnet.ibm.com>, Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>, Gavin Shan <shangw@...ux.vnet.ibm.com>, Lijun Pan <Lijun.Pan@...escale.com>, Li Zhong <zhong@...ux.vnet.ibm.com>, Michael Ellerman <michael@...erman.id.au>, Paul Bolle <pebolle@...cali.nl>, Priyanka Jain <Priyanka.Jain@...escale.com>, "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com> Cc: LKML <linux-kernel@...r.kernel.org>, Paul Mackerras <paulus@...ba.org>, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Ingo Molnar <mingo@...hat.com>, scottwood@...escale.com, Peter Zijlstra <peterz@...radead.org> Subject: [PATCH v3 10/11] powerpc/perf: add kconfig option for hypervisor provided counters Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com> --- arch/powerpc/perf/Makefile | 2 ++ arch/powerpc/platforms/pseries/Kconfig | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile index 60d71ee..f9c083a 100644 --- a/arch/powerpc/perf/Makefile +++ b/arch/powerpc/perf/Makefile @@ -11,5 +11,7 @@ obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o obj-$(CONFIG_FSL_EMB_PERF_EVENT) += core-fsl-emb.o obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o e6500-pmu.o +obj-$(CONFIG_HV_PERF_CTRS) += hv-24x7.o hv-gpci.o hv-common.o + obj-$(CONFIG_PPC64) += $(obj64-y) obj-$(CONFIG_PPC32) += $(obj32-y) diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 80b1d57..2cb8b77 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -111,6 +111,18 @@ config CMM will be reused for other LPARs. The interface allows firmware to balance memory across many LPARs. +config HV_PERF_CTRS + bool "Hypervisor supplied PMU events (24x7 & GPCI)" + default y + depends on PERF_EVENTS && PPC_PSERIES + help + Enable access to hypervisor supplied counters in perf. Currently, + this enables code that uses the hcall GetPerfCounterInfo and 24x7 + interfaces to retrieve counters. GPCI exists on Power 6 and later + systems. 24x7 is available on Power 8 systems. + + If unsure, select Y. + config DTL bool "Dispatch Trace Log" depends on PPC_SPLPAR && DEBUG_FS -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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