linux-kernel - [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters

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Date:	Fri, 14 Feb 2014 14:02:14 -0800
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Linux PPC <linuxppc-dev@...ts.ozlabs.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
	Anton Blanchard <anton@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Cody P Schafer <cody@...ux.vnet.ibm.com>,
	Kumar Gala <galak@...nel.crashing.org>,
	Lijun Pan <Lijun.Pan@...escale.com>,
	Li Yang <leoli@...escale.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Paul Bolle <pebolle@...cali.nl>,
	Priyanka Jain <Priyanka.Jain@...escale.com>,
	Scott Wood <scottwood@...escale.com>,
	Tang Yuantian <yuantian.tang@...escale.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Ingo Molnar <mingo@...hat.com>
Subject: [PATCH v2 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/Kconfig.cputype | 6 ++++++
 2 files changed, 8 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/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 434fda3..dcc67cd 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -364,6 +364,12 @@ config PPC_PERF_CTRS
        help
          This enables the powerpc-specific perf_event back-end.
 
+config HV_PERF_CTRS
+       def_bool y
+       depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
+       help
+         Enable access to perf counters provided by the hypervisor
+
 config SMP
 	depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE || PPC_47x
 	bool "Symmetric multi-processing support"
-- 
1.8.5.4

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