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powercap/raplcap
Intel i9-13900HX is not supported.

Hi there! It was a long and torturous road that led me here. My i9-13900HX CPU in a Sager laptop is getting heavily throttled in Linux. This utility is telling me my CPU is not supported: [evert@Evert ...
bug
  • evertvorster
  • 8
  • Opened 
    on Nov 17, 2023
  • #14

powercap/raplcap
msr: ATOM_SILVERMONT_D energy units appear to be incorrect

The energy values on ATOM_SILVERMONT_D (model 0x4D) appear to be too large. When used for measuring power, it produces values 10k Watts. The Intel SDM Vol. 4 (as of December 2021) documents in Table 2-10 ...
  • cimes-isi
  • Opened 
    on Mar 8, 2022
  • #13

powercap/raplcap
msr: Ice Lake Xeon CPUs: incorrect DRAM power limit lock bit, no clamping bit

The April 2021 Intel Software Developer s Manual Volume 4 adds Table 2-47 in Section 2.17.6 with new information on the MSR_DRAM_POWER_LIMIT register for Ice Lake Xeon CPUs (0x6A and 0x6C). Per the combined ...
  • connorimes
  • Opened 
    on Apr 10, 2021
  • #10

powercap/raplcap
Add support for multi-die packages

Newer Cascade Lake AP processors support multiple die on a package (socket) [1, 2]. Adding support will require new functions that accept die parameters to correctly identify which RAPL MSR or powercap ...
enhancement
  • connorimes
  • Opened 
    on Jun 11, 2020
  • #9

powercap/raplcap
[powercap] PSYS is a top-level zone, not a subzone of PACKAGE

Currently the raplcap-powercap implementation expects all top-level zones to be PACKAGE type. With the introduction of platforms that actually support PSYS, we see that this is not the case -- PSYS zones ...
  • connorimes
  • Opened 
    on Jun 3, 2020
  • #8

powercap/raplcap
raplcap_set_zone_enabled in README

Hi, I tried to use the library on my system by using the example provided in the README. However, to let it work I had to add raplcap_set_zone_enabled(..) before setting the cap. Adding it to the example ...
  • DanieleDeSensi
  • 5
  • Opened 
    on Oct 2, 2019
  • #7

powercap/raplcap
[raplcap-msr] Power limit mask is incorrect

Reported in PR #5 - in raplcap-msr-common.c, PL_MASK should be 0x7FFF instead of 0x7FF.
bug
  • connorimes
  • Opened 
    on Sep 6, 2019
  • #6

powercap/raplcap
PKG power limit

Hi, after i set the PKG power limit to 55 watts and run an application whose peak power is over this value, the measured power consumption is about 50 watts, i.e. 5 watts difference. What is happening? ...
  • cswb120
  • 1
  • Opened 
    on Nov 8, 2017
  • #4

powercap/raplcap
Supporting power limit = 0

This issue is filed mostly to document the idea, although it is unlikely to be implemented. Currently there is only one way to set a power value to 0, however undesirable that may be. A user must specify ...
enhancement
wontfix
  • connorimes
  • Opened 
    on Oct 11, 2017
  • #3

powercap/raplcap
[raplcap-libmsr] Can't set power value separately on power planes that haven’t been enabled before when seconds are not also set

This is a weird issue that we won t likely try to do anything to fix. It s probably a bug in libmsr, and they have removed support for PP0 and PP1 power planes. Note entirely sure what versions of libmsr ...
bug
wontfix
  • connorimes
  • 1
  • Opened 
    on Oct 11, 2017
  • #2
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