After unloading an reloading the kvm module in the outer VM oprofile shows this:
CPU: AMD64 generic, speed 5086 MHz (estimated) Counted CPU_CLK_UNHALTED events (CPU Clocks not Halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % image name symbol name 9376 5.7036 qemu-system-riscv64 helper_lookup_tb_ptr 8782 5.3423 qemu-system-riscv64 cpu_get_tb_cpu_state 6533 3.9742 qemu-system-riscv64 get_physical_address 6362 3.8702 kallsyms native_queued_spin_lock_slowpath 6362 3.8702 qemu-system-riscv64 helper_ctr_add_entry 6245 3.7990 qemu-system-riscv64 qht_lookup_custom 5896 3.5867 anon (tgid:12778 range:0x76b8e2800000-0x76b8e2ffefff) anon (tgid:12778 range:0x76b8e2800000-0x76b8e2ffefff) 5303 3.2259 qemu-system-riscv64 riscv_ctr_add_entry 5275 3.2089 qemu-system-riscv64 pmp_hart_has_privs 2631 1.6005 qemu-system-riscv64 tlb_set_page_full ** Attachment added: "opreport_after_kvm_reload.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2112578/+attachment/5885029/+files/opreport_after_kvm_reload.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2112578 Title: riscv64: KVM does not release harts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2112578/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
