Lines Matching refs:grace

35 o	Anything that prevents RCU's grace-period kthreads from running.
46 in which case the next RCU grace period can never complete, which
55 RCU grace periods from ever completing. Either way, the
95 RCU only detects CPU stalls when there is a grace period in progress.
96 No grace period, no CPU stall warnings.
114 CPU stall detector, which detects conditions that unduly delay RCU grace
123 that RCU will wait from the beginning of a grace period until it
167 task stalling the current RCU-tasks grace period.
189 the RCU core for the past three grace periods. In contrast, CPU 16's "(0
191 interrupts during the current stalled grace period.
204 last noted the beginning of a grace period, which might be the current
205 (stalled) grace period, or it might be some earlier grace period (for
215 detection passes that the grace-period kthread has made across this
216 CPU since the last time that this CPU noted the beginning of a grace
220 case, CPU 32), how many jiffies have elapsed since the start of the grace
221 period (in this case 2603), the grace-period sequence number (7075), and
241 If the grace period ends just as the stall warning starts printing,
249 on how the stall warning and the grace-period initialization happen to
255 grace period has nevertheless failed to end, the stall-warning splat
261 since the grace-period kthread ran. The "jiffies_till_next_fqs"
267 If the relevant grace-period kthread has been unable to run prior to
273 Starving the grace-period kthreads of CPU time can of course result
276 grace-period sequence number, the "f" precedes the ->gp_flags command
277 to the grace-period kthread, the "RCU_GP_WAIT_FQS" indicates that the
279 task_struct ->state field, and the "cpu" indicates that the grace-period
294 If an expedited grace period detects a stall, it will place a message
302 that the CPU was online at the beginning of the expedited grace period
306 indicates that the expedited grace period has been going on for 21,119
308 grace-period sequence counter is 73. The fact that this last value is
309 odd indicates that an expedited grace period is in flight. The number
312 current expedited grace period. If the tree had more than one level,
316 As with normal grace periods, PREEMPT_RCU builds can be stalled by
321 expedited grace periods at about the same time during the same run.