====== C-states ======

===== ad-hoc disable of C-states =====

<code bash>
cat >/dev/cpu_dma_latency <(echo -e -n "\x0\x0\x0\x0" ; sleep inf)
</code>

Cause power higher (by 50W) power consumption on Dell PowerEdge R720 (32 x Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz (2 Sockets))

{{.:pasted:20251101-202543.png}}