path: root/Documentation/hwmon
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authorNaveen Krishna Chatradhi <>2020-09-29 16:23:22 +0530
committerGuenter Roeck <>2020-10-04 08:40:10 -0700
commit045ad73397e68e6afefe7df0af804df5fc783fcb (patch)
tree1c25209d65e1a14c7f6894588b622d1eb9a82a75 /Documentation/hwmon
parentb75394c19d0127ee8aab03c5eff7efb253de4199 (diff)
hwmon: (amd_energy) Update driver documentation
Update the documentation with the newly added features * Set the accumulation interval based on resolution Signed-off-by: Naveen Krishna Chatradhi <> Link: Signed-off-by: Guenter Roeck <>
Diffstat (limited to 'Documentation/hwmon')
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/hwmon/amd_energy.rst b/Documentation/hwmon/amd_energy.rst
index f8288edff664..86e4ebc5cbc2 100644
--- a/Documentation/hwmon/amd_energy.rst
+++ b/Documentation/hwmon/amd_energy.rst
@@ -84,6 +84,11 @@ per run to a respective 64-bit counter. The kernel thread starts
running during probe, wakes up every 100secs and stops running
when driver is removed.
+Frequency of the accumulator thread is set during the probe
+based on the chosen energy unit resolution. For example
+A. fine grain (1.625 micro J)
+B. course grain (0.125 milli J)
A socket and core energy read would return the current register
value added to the respective energy accumulator.