Lines Matching refs:grace

38 o	Anything that prevents RCU's grace-period kthreads from running.
49 in which case the next RCU grace period can never complete, which
58 RCU grace periods from ever completing. Either way, the
92 that RCU only detects CPU stalls when there is a grace period in progress.
93 No grace period, no CPU stall warnings.
111 CPU stall detector, which detects conditions that unduly delay RCU grace
120 that RCU will wait from the beginning of a grace period until it
164 task stalling the current RCU-tasks grace period.
187 the RCU core for the past three grace periods. In contrast, CPU 16's "(0
189 interrupts during the current stalled grace period.
202 last noted the beginning of a grace period, which might be the current
203 (stalled) grace period, or it might be some earlier grace period (for
213 detection passes that the grace-period kthread has made across this
214 CPU since the last time that this CPU noted the beginning of a grace
218 case, CPU 32), how many jiffies have elapsed since the start of the grace
219 period (in this case 2603), the grace-period sequence number (7075), and
238 If the grace period ends just as the stall warning starts printing,
246 on how the stall warning and the grace-period initialization happen to
252 grace period has nevertheless failed to end, the stall-warning splat
258 since the grace-period kthread ran. The "jiffies_till_next_fqs"
264 If the relevant grace-period kthread has been unable to run prior to
270 Starving the grace-period kthreads of CPU time can of course result
273 grace-period sequence number, the "f" precedes the ->gp_flags command
274 to the grace-period kthread, the "RCU_GP_WAIT_FQS" indicates that the
276 task_struct ->state field, and the "cpu" indicates that the grace-period
291 If an expedited grace period detects a stall, it will place a message
299 that the CPU was online at the beginning of the expedited grace period
303 indicates that the expedited grace period has been going on for 21,119
305 grace-period sequence counter is 73. The fact that this last value is
306 odd indicates that an expedited grace period is in flight. The number
309 current expedited grace period. If the tree had more than one level,
313 As with normal grace periods, PREEMPT_RCU builds can be stalled by
318 expedited grace periods at about the same time during the same run.