Web可以通过 config_sched_hrtick 选项启用它们以便在调度程序中使用。 但是如果你已经调用了 __schedule() (即在系统调用的路径上),你不需要从 hrtimer 第二次调用它,因为你已经在 … Webhrtick_clear (rq); 如果使用了Hrtick,就先清除hrtick,hrtick应该是高精度定时器的进程tick, 注意到这个hrtick是rq上的,主要在进程使用完理想时间片后触发的,用来被动启动schedule切换进程 1 local_irq_disable (); 失能irq,再往下就是临界代码区了,必须完整运行, 1 rcu_note_context_switch (preempt); rcu机制,暂时不太清楚具体的功能,以后再说 …
C++ cpu_rq函数代码示例 - 纯净天空
Web24 apr. 2024 · if (sched_feat(HRTICK)) hrtick_clear(rq); 1 2 如果使用了Hrtick,就先清除hrtick,hrtick应该是高精度定时器的进程tick, 注意到这个hrtick是rq上的,主要在进 … Web[PATCH v3 08/14] sched: Replace rq->curr access w/ rq_curr(rq) From: John Stultz Date: Tue Apr 11 2024 - 00:26:16 EST Next message: John Stultz: "[PATCH v3 09/14] sched: Split scheduler execution context" Previous message: John Stultz: "[PATCH v3 07/14] sched: Unify runtime accounting across classes" In reply to: John Stultz: "[PATCH v3 … prodigy pets list
[x86/mm/tlb] 6035152d8e: will-it-scale.per_thread_ops -13.2
WebTo: Ben Hutchings ; Cc: Thomas Gleixner , Peter Zijlstra , Steven Rostedt , LKML , Leonid Shatz , Ingo Molnar , Debian kernel maintainers Web17 okt. 2024 · rq = cpu_rq(cpu); rcu_note_context_switch(cpu); prev = rq->curr; schedule_debug(prev); if (sched_feat(HRTICK)) hrtick_clear(rq); /* * Make sure that signal_pending_state ()->signal_pending () below * can't be reordered with __set_current_state (TASK_INTERRUPTIBLE) * done by the caller to avoid the race with … Web22 jun. 2024 · 先获取cpu和rq,当前进程成为prev进程,清除它的调度位。cpu_rq()函数在sched.c中定义为一个宏: #define cpu_rq(cpu) (&per_cpu(runqueues, (cpu))) 该函数通 … prodigy phex github