From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Busch Subject: [PATCHv2 07/12] Documentation/ABI: Add node performance attributes Date: Mon, 10 Dec 2018 18:03:05 -0700 Message-ID: <20181211010310.8551-8-keith.busch@intel.com> References: <20181211010310.8551-1-keith.busch@intel.com> Return-path: In-Reply-To: <20181211010310.8551-1-keith.busch@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Keith Busch List-Id: linux-acpi@vger.kernel.org Add descriptions for primary memory initiator performance access attributes. Signed-off-by: Keith Busch --- Documentation/ABI/stable/sysfs-devices-node | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node index 8430d5b261f6..6cdb0643f9fd 100644 --- a/Documentation/ABI/stable/sysfs-devices-node +++ b/Documentation/ABI/stable/sysfs-devices-node @@ -123,3 +123,31 @@ Description: The map of memory nodes that this node has primary access. Memory accesses from this node to nodes not in this map may encounter a performance penalty. + +What: /sys/devices/system/node/nodeX/primary_initiator_access/read_bandwidth +Date: December 2018 +Contact: Keith Busch +Description: + Read bandwidth in MB/s available to memory initiators found in + primary_cpu_nodemask. + +What: /sys/devices/system/node/nodeX/primary_initiator_access/read_latency +Date: December 2018 +Contact: Keith Busch +Description: + Read latency in nanosecondss available to memory initiators + found in primary_cpu_nodemask. + +What: /sys/devices/system/node/nodeX/primary_initiator_access/write_bandwidth +Date: December 2018 +Contact: Keith Busch +Description: + Write bandwidth in MB/s available to memory initiators found in + primary_cpu_nodemask. + +What: /sys/devices/system/node/nodeX/primary_initiator_access/write_latency +Date: December 2018 +Contact: Keith Busch +Description: + Write latency in nanosecondss available to memory initiators + found in primary_cpu_nodemask. -- 2.14.4