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Commit 30daeb6c authored by Cody P Schafer's avatar Cody P Schafer Committed by Benjamin Herrenschmidt
Browse files

powerpc/perf: Add kconfig option for hypervisor provided counters 



The commit adds a Kconfig option which allows the hv_gpci and hv_24x7
PMUs, added in the preceeding commits, to be built.

Signed-off-by: default avatarCody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 0e93a6ed

arch/powerpc/perf/Makefile

+2 −0
Original line number Original line Diff line number Diff line
@@ -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) += core-fsl-emb.o

obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o e6500-pmu.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_PPC64)		+= $(obj64-y)

obj-$(CONFIG_PPC32)		+= $(obj32-y)
 
obj-$(CONFIG_PPC32)		+= $(obj32-y)

arch/powerpc/platforms/pseries/Kconfig

+12 −0
Original line number Original line Diff line number Diff line
@@ -111,6 +111,18 @@ config CMM 
	  will be reused for other LPARs. The interface allows firmware to

	  will be reused for other LPARs. The interface allows firmware to

	  balance memory across many LPARs.

	  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

config DTL

	bool "Dispatch Trace Log"

	bool "Dispatch Trace Log"

	depends on PPC_SPLPAR && DEBUG_FS

	depends on PPC_SPLPAR && DEBUG_FS