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From: Cody P Schafer <cody@linux.vnet.ibm.com>
To: Linux PPC <linuxppc-dev@lists.ozlabs.org>,
	Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Ingo Molnar <mingo@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <michael@ellerman.id.au>,
	linux-doc@vger.kernel.org, Rob Landley <rob@landley.net>
Subject: [PATCH v2 11/11] powerpc/perf/hv_{gpci,24x7}: add documentation of device attributes
Date: Fri, 14 Feb 2014 14:02:15 -0800	[thread overview]
Message-ID: <1392415338-16288-12-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1392415338-16288-1-git-send-email-cody@linux.vnet.ibm.com>

gpci and 24x7 expose some device specific attributes. Add some
documentation for them.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
---
 .../testing/sysfs-bus-event_source-devices-hv_24x7 | 22 +++++++++++
 .../testing/sysfs-bus-event_source-devices-hv_gpci | 43 ++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
 create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci

diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
new file mode 100644
index 0000000..13474d3
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
@@ -0,0 +1,22 @@
+What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		Provides access to the binary "24x7 catalog" provided by the
+		hypervisor on POWER7 and 8 systems. This catalog lists events
+		avaliable from the powerpc "hv_24x7" pmu. Its format is
+		documented in arch/powerpc/perf/hv_24x7.h.
+
+What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog_length
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		A number equal to the length in bytes of the catalog. This is
+		also extractable from the provided binary "catalog" sysfs entry.
+
+What:		/sys/bus/event_source/devices/hv_24x7/interface/catalog_version
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		Exposes the "version" field of the 24x7 catalog. This is also
+		extractable from the provided binary "catalog" sysfs entry.
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
new file mode 100644
index 0000000..3fa58c2
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
@@ -0,0 +1,43 @@
+What:		/sys/bus/event_source/devices/hv_gpci/interface/collect_privileged
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		'0' if the hypervisor is configured to forbid access to event
+		counters being accumulated by other guests and to physical
+		domain event counters.
+		'1' if that access is allowed.
+
+What:		/sys/bus/event_source/devices/hv_gpci/interface/ga
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		0 or 1. Indicates whether we have access to "GA" events (listed
+		in arch/powerpc/perf/hv-gpci.h).
+
+What:		/sys/bus/event_source/devices/hv_gpci/interface/expanded
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		0 or 1. Indicates whether we have access to "EXPANDED" events (listed
+		in arch/powerpc/perf/hv-gpci.h).
+
+What:		/sys/bus/event_source/devices/hv_gpci/interface/lab
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		0 or 1. Indicates whether we have access to "LAB" events (listed
+		in arch/powerpc/perf/hv-gpci.h).
+
+What:		/sys/bus/event_source/devices/hv_gpci/interface/version
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		A number indicating the version of the gpci interface that the
+		hypervisor reports supporting.
+
+What:		/sys/bus/event_source/devices/hv_gpci/interface/kernel_version
+Date:		February 2014
+Contact:	Cody P Schafer <cody@linux.vnet.ibm.com>
+Description:
+		A number indicating the latest version of the gpci interface
+		that the kernel is aware of.
-- 
1.8.5.4


      parent reply	other threads:[~2014-02-14 22:04 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-14 22:02 [PATCH v2 00/11] powerpc: Add support for Power Hypervisor supplied performance counters Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 01/11] perf: add PMU_RANGE_ATTR() helper for use by sw-like pmus Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 20:33     ` Cody P Schafer
2014-02-25 22:19       ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 02/11] perf core: export swevent hrtimer helpers Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 10:20     ` Peter Zijlstra
2014-02-25 21:38       ` Cody P Schafer
2014-02-26  8:29         ` Peter Zijlstra
2014-02-27 19:33           ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 03/11] sysfs: create bin_attributes under the requested group Cody P Schafer
2014-02-15 20:15   ` Greg Kroah-Hartman
2014-02-25  3:33   ` Michael Ellerman
2014-02-14 22:02 ` [PATCH v2 04/11] powerpc: add hvcalls for 24x7 and gpci (get performance counter info) Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 21:13     ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 05/11] powerpc: add hv_gpci interface header Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 20:35     ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 06/11] powerpc: add 24x7 " Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 07/11] powerpc: add a shared interface to get gpci version and capabilities Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 21:20     ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 08/11] powerpc/perf: add support for the hv gpci (get performance counter info) interface Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 21:25     ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 09/11] powerpc/perf: add support for the hv 24x7 interface Cody P Schafer
2014-02-25  3:33   ` Michael Ellerman
2014-02-25 20:55     ` Cody P Schafer
2014-02-14 22:02 ` [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters Cody P Schafer
     [not found]   ` <1392417133.6733.624.camel@snotra.buserror.net>
2014-02-15  0:25     ` Cody P Schafer
2014-02-17  7:11       ` Michael Ellerman
2014-02-17 19:41         ` Cody P Schafer
2014-02-21  0:14   ` [PATCH v2.1 9/11] " Cody P Schafer
2014-02-21  0:24     ` Cody P Schafer
2014-02-25  3:33   ` [PATCH v2 10/11] " Michael Ellerman
2014-02-25 21:31     ` Cody P Schafer
2014-02-26  3:48       ` Michael Ellerman
2014-02-14 22:02 ` Cody P Schafer [this message]

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