sudo pidstat -t -p 4063 Linux 4.4.0-124-generic (desktop) 05/08/2018 _i686_ (2 CPU)
09:43:39 PM UID TGID TID %usr %system %guest %CPU CPU Command 09:43:39 PM 1000 4063 - 0.01 3.01 0.01 3.04 1 qemu-system-i38 09:43:39 PM 1000 - 4063 0.02 0.00 0.00 0.02 1 |__qemu-system-i38 09:43:39 PM 1000 - 4064 0.00 0.00 0.00 0.00 1 |__qemu-system-i38 09:43:39 PM 1000 - 4066 0.00 3.01 0.01 3.02 0 |__qemu-system-i38 09:43:39 PM 1000 - 4068 0.00 0.00 0.00 0.00 1 |__qemu-system-i38 sudo perf stat -e 'kvm:*' -a sleep 1h ^Csleep: Interrupt Performance counter stats for 'system wide': 4,221,248 kvm:kvm_entry (100.00%) 0 kvm:kvm_hypercall (100.00%) 0 kvm:kvm_hv_hypercall (100.00%) 0 kvm:kvm_pio (100.00%) 0 kvm:kvm_fast_mmio (100.00%) 0 kvm:kvm_cpuid (100.00%) 0 kvm:kvm_apic (100.00%) 4,222,925 kvm:kvm_exit (100.00%) 0 kvm:kvm_inj_virq (100.00%) 0 kvm:kvm_inj_exception (100.00%) 0 kvm:kvm_page_fault (100.00%) 0 kvm:kvm_msr (100.00%) 0 kvm:kvm_cr (100.00%) 0 kvm:kvm_pic_set_irq (100.00%) 0 kvm:kvm_apic_ipi (100.00%) 0 kvm:kvm_apic_accept_irq (100.00%) 0 kvm:kvm_eoi (100.00%) 0 kvm:kvm_pv_eoi (100.00%) 0 kvm:kvm_nested_vmrun (100.00%) 0 kvm:kvm_nested_intercepts (100.00%) 0 kvm:kvm_nested_vmexit (100.00%) 0 kvm:kvm_nested_vmexit_inject (100.00%) 0 kvm:kvm_nested_intr_vmexit (100.00%) 0 kvm:kvm_invlpga (100.00%) 0 kvm:kvm_skinit (100.00%) 169,094,024 kvm:kvm_emulate_insn (100.00%) 0 kvm:vcpu_match_mmio (100.00%) 0 kvm:kvm_write_tsc_offset (100.00%) 0 kvm:kvm_pml_full (100.00%) 0 kvm:kvm_ple_window (100.00%) 0 kvm:kvm_pvclock_update (100.00%) 0 kvm:kvm_wait_lapic_expire (100.00%) 0 kvm:kvm_enter_smm (100.00%) 0 kvm:kvm_pi_irte_update (100.00%) 0 kvm:kvm_userspace_exit (100.00%) 0 kvm:kvm_vcpu_wakeup (100.00%) 0 kvm:kvm_set_irq (100.00%) 0 kvm:kvm_ioapic_set_irq (100.00%) 0 kvm:kvm_ioapic_delayed_eoi_inj (100.00%) 0 kvm:kvm_msi_set_irq (100.00%) 0 kvm:kvm_ack_irq (100.00%) 0 kvm:kvm_mmio (100.00%) 0 kvm:kvm_fpu (100.00%) 0 kvm:kvm_age_page (100.00%) 0 kvm:kvm_try_async_get_page (100.00%) 0 kvm:kvm_async_pf_doublefault (100.00%) 0 kvm:kvm_async_pf_not_present (100.00%) 0 kvm:kvm_async_pf_ready (100.00%) 0 kvm:kvm_async_pf_completed (100.00%) 0 kvm:kvm_halt_poll_ns 258.400486070 seconds time elapsed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767857 Title: Kernel 4.4.0-122 Breaks qemu-system-x86 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs