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: Rob Landley <rob@landley.net>,
linux-doc@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Michael Ellerman <michael@ellerman.id.au>,
Ingo Molnar <mingo@redhat.com>, Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
scottwood@freescale.com
Subject: [PATCH v4 11/11] powerpc/perf/hv_{gpci, 24x7}: add documentation of device attributes
Date: Wed, 5 Mar 2014 16:01:10 -0800 [thread overview]
Message-ID: <1394064082-6242-12-git-send-email-cody@linux.vnet.ibm.com> (raw)
In-Reply-To: <1394064082-6242-1-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 | 23 ++++++++++++
.../testing/sysfs-bus-event_source-devices-hv_gpci | 43 ++++++++++++++++++++++
2 files changed, 66 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..e78ee79
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
@@ -0,0 +1,23 @@
+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 here:
+ https://raw.githubusercontent.com/jmesmon/catalog-24x7/master/hv-24x7-catalog.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.
--
1.9.0
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 ` [PATCH v4 10/11] powerpc/perf: add kconfig option for hypervisor provided counters Cody P Schafer
2014-03-06 0:01 ` Cody P Schafer [this message]
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