STRUCT MSR_PARAM(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 struct msr_param(9) 🎀

okay so bestie, this page is from the Kernel API Manual, and it’s giving “tiny struct, big job.” 💅

🎀 NAME 🎀

struct msr_param — set a range of MSRs from a domain. Periodt. ✨

✨ SYNOPSIS ✨

       struct msr_param {
           struct rdt_resource     *res;
           struct rdt_ctrl_domain  *dom;
           u32 low;
           u32 high;
        };

💅 Members 💅

  • res — The resource to use. That’s the main character here. 💖
  • dom — The domain to update. Slay, we’re updating this one. ✨
  • low — Beginning index from base MSR. Lowkey where the range starts. 🫶
  • high — End index. Highkey where the range ends. 🔥

🦋 SEE ALSO 🦋

Kernel file ./arch/x86/kernel/cpu/resctrl/internal.h struct arch_mbm_state(9), struct rdt_hw_ctrl_domain(9), struct rdt_hw_l3_mon_domain(9), struct rdt_perf_pkg_mon_domain(9), struct rdt_hw_resource(9). 🦋

That’s the whole page, bestie — sourced from ./arch/x86/kernel/cpu/resctrl, dated October 2026, and filed under struct msr_param(9). 💖✨🎀

📦 where this page comes from