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-rw-r--r--Documentation/ABI/testing/sysfs-platform-dptf16
-rw-r--r--Documentation/admin-guide/mm/numaperf.rst8
2 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-dptf b/Documentation/ABI/testing/sysfs-platform-dptf
index eeed81ca6949..2cbc660d163b 100644
--- a/Documentation/ABI/testing/sysfs-platform-dptf
+++ b/Documentation/ABI/testing/sysfs-platform-dptf
@@ -92,3 +92,19 @@ Contact: linux-acpi@vger.kernel.org
Description:
(RO) The battery discharge current capability obtained from battery fuel gauge in
milli Amps.
+
+What: /sys/bus/platform/devices/INTC1045:00/pch_fivr_switch_frequency/freq_mhz_low_clock
+Date: November, 2020
+KernelVersion: v5.10
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RW) The PCH FIVR (Fully Integrated Voltage Regulator) switching frequency in MHz,
+ when FIVR clock is 19.2MHz or 24MHz.
+
+What: /sys/bus/platform/devices/INTC1045:00/pch_fivr_switch_frequency/freq_mhz_high_clock
+Date: November, 2020
+KernelVersion: v5.10
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RW) The PCH FIVR (Fully Integrated Voltage Regulator) switching frequency in MHz,
+ when FIVR clock is 38.4MHz.
diff --git a/Documentation/admin-guide/mm/numaperf.rst b/Documentation/admin-guide/mm/numaperf.rst
index 4d69ef1de830..86f2a3c4b638 100644
--- a/Documentation/admin-guide/mm/numaperf.rst
+++ b/Documentation/admin-guide/mm/numaperf.rst
@@ -56,6 +56,11 @@ nodes' access characteristics share the same performance relative to other
linked initiator nodes. Each target within an initiator's access class,
though, do not necessarily perform the same as each other.
+The access class "1" is used to allow differentiation between initiators
+that are CPUs and hence suitable for generic task scheduling, and
+IO initiators such as GPUs and NICs. Unlike access class 0, only
+nodes containing CPUs are considered.
+
================
NUMA Performance
================
@@ -88,6 +93,9 @@ The latency attributes are provided in nanoseconds.
The values reported here correspond to the rated latency and bandwidth
for the platform.
+Access class 1 takes the same form but only includes values for CPU to
+memory activity.
+
==========
NUMA Cache
==========