kvm_pmu_vcpu_init(9)

🎀 NAME 🎀

okay so bestie, welcome to kvm_pmu_vcpu_init, straight from the Kernel API Manual, section 9, iykyk 💅. Its whole vibe is literally: assign pmu counter idx for cpu. That's the assignment, no cap.

🌸 SYNOPSIS 🌸

here's the exact signature, don't come for me:

void kvm_pmu_vcpu_init (struct kvm_vcpu *vcpu );

✨ ARGUMENTS ✨

• vcpu — the vcpu pointer. literally the one pointer you hand over 🫶.

🦋 SEE ALSO 🦋

if you're in your research era, the kernel file is ./arch/arm64/kvm/pmu-emul.c, and these are the linked icons:

• kvm_pmc_is_64bit(9)
• kvm_pmu_get_counter_value(9)
• kvm_pmu_set_counter_value(9)
• kvm_pmu_set_counter_value_user(9)
• kvm_pmu_release_perf_event(9)
• kvm_pmu_stop_counter(9)
• kvm_pmu_vcpu_destroy(9)
• kvm_pmu_flush_hwstate(9)
• kvm_pmu_sync_hwstate(9)
• kvm_pmu_software_increment(9)
• kvm_pmu_handle_pmcr(9)
• kvm_pmu_create_perf_event(9)
• kvm_pmu_set_counter_event_type(9)
• kvm_arm_pmu_get_max_counters(9)
• kvm_arm_set_default_pmu(9)
• kvm_vcpu_read_pmcr(9)

mwah 💋 this cutie lives in ./arch/arm64/kvm, and the page is stamped October 2026 — periodt 🎀