perf report: + 73.46% 0.00% kworker/2:0 [kernel.kallsyms] [k] ret_from_fork + 73.46% 0.00% kworker/2:0 [kernel.kallsyms] [k] kthread + 73.46% 0.00% kworker/2:0 [kernel.kallsyms] [k] worker_thread + 73.35% 0.10% kworker/2:0 [kernel.kallsyms] [k] process_one_work + 72.13% 0.07% kworker/2:0 [kernel.kallsyms] [k] rpm_idle + 71.68% 0.09% kworker/2:0 [kernel.kallsyms] [k] rpm_suspend + 71.52% 0.02% kworker/2:0 [kernel.kallsyms] [k] pm_runtime_work + 71.30% 0.06% kworker/2:0 [kernel.kallsyms] [k] __rpm_callback + 71.26% 0.00% kworker/2:0 [kernel.kallsyms] [k] usb_runtime_idle + 71.23% 0.02% kworker/2:0 [kernel.kallsyms] [k] __pm_runtime_suspend + 70.96% 0.00% kworker/2:0 [kernel.kallsyms] [k] rpm_callback + 70.91% 0.01% kworker/2:0 [kernel.kallsyms] [k] usb_runtime_suspend + 70.86% 0.04% kworker/2:0 [kernel.kallsyms] [k] usb_suspend_both + 68.64% 0.01% kworker/2:0 [kernel.kallsyms] [k] usb_resume_interface.isra.6 + 68.63% 0.02% kworker/2:0 [kernel.kallsyms] [k] hub_resume + 68.59% 0.44% kworker/2:0 [kernel.kallsyms] [k] hub_activate + 67.22% 0.28% kworker/2:0 [kernel.kallsyms] [k] hub_port_status + 66.42% 0.32% kworker/2:0 [kernel.kallsyms] [k] usb_control_msg + 63.88% 0.24% kworker/2:0 [kernel.kallsyms] [k] usb_start_wait_urb + 58.25% 0.08% kworker/2:0 [kernel.kallsyms] [k] usb_submit_urb + 58.14% 0.44% kworker/2:0 [kernel.kallsyms] [k] usb_submit_urb.part.6 + 56.05% 1.75% kworker/2:0 [kernel.kallsyms] [k] usb_hcd_submit_urb + 43.00% 42.17% kworker/2:0 [kernel.kallsyms] [k] xhci_hub_control + 15.27% 0.00% ksoftirqd/2 [kernel.kallsyms] [k] ret_from_fork + 15.27% 0.00% ksoftirqd/2 [kernel.kallsyms] [k] kthread + 14.88% 0.95% ksoftirqd/2 [kernel.kallsyms] [k] smpboot_thread_fn + 8.78% 0.54% kworker/2:0 [kernel.kallsyms] [k] usb_hcd_giveback_urb + 7.35% 0.78% kworker/2:0 [kernel.kallsyms] [k] __tasklet_schedule + 7.19% 0.05% kworker/2:0 [kernel.kallsyms] [k] wakeup_softirqd + 7.16% 0.14% kworker/2:0 [kernel.kallsyms] [k] wake_up_process + 7.00% 0.12% ksoftirqd/2 [kernel.kallsyms] [k] run_ksoftirqd + 6.91% 0.11% ksoftirqd/2 [kernel.kallsyms] [k] schedule + 6.69% 0.76% ksoftirqd/2 [kernel.kallsyms] [k] __do_softirq + 6.56% 1.33% ksoftirqd/2 [kernel.kallsyms] [k] __schedule + 6.47% 0.49% kworker/2:0 [kernel.kallsyms] [k] try_to_wake_up + 5.37% 5.37% kworker/2:0 [kernel.kallsyms] [k] __switch_to + 5.30% 0.91% ksoftirqd/2 [kernel.kallsyms] [k] tasklet_action + 5.15% 5.15% ksoftirqd/2 [kernel.kallsyms] [k] __switch_to + 5.09% 0.11% kworker/2:0 [kernel.kallsyms] [k] ttwu_do_activate.constprop.94 + 5.04% 0.28% kworker/2:0 [kernel.kallsyms] [k] _cond_resched + 4.83% 0.34% kworker/2:0 [kernel.kallsyms] [k] wait_for_completion_timeout + 4.70% 1.68% kworker/2:0 [kernel.kallsyms] [k] __schedule
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1488426 Title: High CPU usage of kworker/ksoftirqd Status in linux package in Ubuntu: In Progress Bug description: kworker consuming 71.5% cpu resource ksoftirqd consuming 28.9% cpu resource To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1488426/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
