WebJun 7, 2016 · This patch series seems to make irq time accounting work with nohz_idle, by having it re-use the same strategy used for steal time accounting in Wanpeng Li's patch. WebEmployment Main Number: (713) 274-5445 If you need special services or accommodations, please call (713) 274-5445 or email [email protected]

Linux内核-进程管理之实时调度 - 知乎 - 知乎专栏

Web+ hardirq_count() <= (1 << HARDIRQ_SHIFT))) {+ + /* + * Get here if this CPU took its interrupt from user + * mode or from the idle loop, and if this is not a + * nested interrupt. In this case, the CPU is in + * a quiescent state, so count it. + * + */ Web1 day ago · Harris County is investing $4.7 million of American Rescue Plan Act funds to create a women's re-entry program at the new Women's Center jail. Driving the news: Judge Lina Hidalgo, along with Democratic Reps. Sheila Jackson Lee and Sylvia Garcia, announced Tuesday that the initiative will support mental health services, trauma and … how to measure deck size

Any problem if softirq are done in a interrupt context (IRQ stack)?

Webaccount_hardirq_exit(current); \ lockdep_hardirq_exit(); \ preempt_count_sub(HARDIRQ_OFFSET); \} while (0) /* * Like __irq_exit() without time … WebThe only downside is that the early entry code up to irq_enter_rcu() must be aware that the preemption count has not yet been updated with the HARDIRQ_OFFSET state. Note that irq_exit_rcu() must remove HARDIRQ_OFFSET from the preemption count before it handles soft interrupts, whose handlers must run in BH context rather than irq-disabled … Webhardirq相关. preempt_count中的第16到19个bit表示hardirq count，它记录了进入hardirq/top half的嵌套次数，在这篇文章介绍的do_IRQ()中，irq_enter()用于标记hardirq的进入，此时hardirq count的值会加1。 irq_exit()用于标记hardirq的退出，hardirq count的值会相应的减1。 multi channel recording software