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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 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_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)

arch/powerpc/platforms/pseries/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -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