From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e8.ny.us.ibm.com (e8.ny.us.ibm.com [32.97.182.138]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 8E0B22C0474 for ; Fri, 21 Feb 2014 11:15:41 +1100 (EST) Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 20 Feb 2014 19:15:38 -0500 Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id ECDF1C9005C for ; Thu, 20 Feb 2014 19:15:31 -0500 (EST) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by b01cxnp23032.gho.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1L0FYvS1049040 for ; Fri, 21 Feb 2014 00:15:34 GMT Received: from d01av01.pok.ibm.com (localhost [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1L0FXEG029230 for ; Thu, 20 Feb 2014 19:15:34 -0500 From: Cody P Schafer To: Linux PPC , Anshuman Khandual , Benjamin Herrenschmidt , Cody P Schafer , Deepthi Dharwar , Gavin Shan , Lijun Pan , Li Zhong , Michael Ellerman , Paul Bolle , Priyanka Jain , "Srivatsa S. Bhat" Subject: [PATCH v2.1 9/11] powerpc/perf: add kconfig option for hypervisor provided counters Date: Thu, 20 Feb 2014 16:14:51 -0800 Message-Id: <1392941697-21799-1-git-send-email-cody@linux.vnet.ibm.com> In-Reply-To: <1392415338-16288-11-git-send-email-cody@linux.vnet.ibm.com> References: <1392415338-16288-11-git-send-email-cody@linux.vnet.ibm.com> Cc: Peter Zijlstra , LKML , Ingo Molnar , Paul Mackerras , Arnaldo Carvalho de Melo , scottwood@freescale.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Cody P Schafer --- 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