From: Cody P Schafer <cody@linux.vnet.ibm.com>
To: Linux PPC <linuxppc-dev@lists.ozlabs.org>,
Anshuman Khandual <khandual@linux.vnet.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Cody P Schafer <cody@linux.vnet.ibm.com>,
Deepthi Dharwar <deepthi@linux.vnet.ibm.com>,
Gavin Shan <shangw@linux.vnet.ibm.com>,
Lijun Pan <Lijun.Pan@freescale.com>,
Li Zhong <zhong@linux.vnet.ibm.com>,
Michael Ellerman <michael@ellerman.id.au>,
Paul Bolle <pebolle@tiscali.nl>,
Priyanka Jain <Priyanka.Jain@freescale.com>,
"Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
scottwood@freescale.com
Subject: [PATCH v4 10/11] powerpc/perf: add kconfig option for hypervisor provided counters
Date: Wed, 5 Mar 2014 16:01:09 -0800 [thread overview]
Message-ID: <1394064082-6242-11-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1394064082-6242-1-git-send-email-cody@linux.vnet.ibm.com>
Signed-off-by: Cody P Schafer <cody@linux.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
next prev parent reply other threads:[~2014-03-06 0:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-06 0:00 [PATCH v4 00/11] powerpc: Add support for Power Hypervisor supplied performance counters Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 01/11] sysfs: create bin_attributes under the requested group Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 02/11] perf: add PMU_FORMAT_RANGE() helper for use by sw-like pmus Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info) Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 05/11] powerpc/perf: add hv_gpci interface header Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 06/11] powerpc/perf: add 24x7 interface headers Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 07/11] powerpc/perf: add a shared interface to get gpci version and capabilities Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface Cody P Schafer
2014-03-06 0:01 ` [PATCH v4 09/11] powerpc/perf: add support for the hv 24x7 interface Cody P Schafer
2014-03-25 10:43 ` Anton Blanchard
2014-03-25 18:19 ` Cody P Schafer
2014-03-25 18:32 ` Cody P Schafer
2014-03-26 9:43 ` David Laight
2014-05-22 8:19 ` Ian Munsie
2014-05-22 22:22 ` Cody P Schafer
2014-05-22 22:29 ` [PATCH] powerpc/perf/hv-24x7: use kmem_cache instead of aligned stack allocations Cody P Schafer
2014-05-22 22:38 ` Stephen Rothwell
2014-05-22 22:43 ` Cody P Schafer
2014-05-22 22:44 ` [PATCH v2] " Cody P Schafer
2014-05-22 23:49 ` Stephen Rothwell
2014-05-22 23:54 ` Cody P Schafer
2014-05-23 0:20 ` Stephen Rothwell
2014-03-06 0:01 ` Cody P Schafer [this message]
2014-03-06 0:01 ` [PATCH v4 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes Cody P Schafer
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