Home
last modified time | relevance | path

Searched refs:expedited (Results 1 – 11 of 11) sorted by relevance

/linux/Documentation/RCU/Design/Expedited-Grace-Periods/
H A DExpedited-Grace-Periods.rst8 This document describes RCU's expedited grace periods.
10 high efficiency and minimal disturbance, expedited grace periods accept
20 The expedited RCU grace periods cannot be accused of being subtle,
22 has not yet provided a quiescent state for the current expedited
32 state, the expedited grace period has completed.
43 expedited grace period is shown in the following diagram:
54 Otherwise, the expedited grace period will use
72 block the current expedited grace period until it resumes and finds its
86 | Why not just have the expedited grace period check the state of all |
116 the handling of a given CPU by an RCU-sched expedited grace period is
[all …]
/linux/Documentation/RCU/
H A Dstallwarn.rst177 the expedited grace period. This parameter defines the period
178 of time that RCU will wait from the beginning of an expedited
372 If an expedited grace period detects a stall, it will place a message
375 INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 7-... } 21119 jiffies s: 73 root: 0x2/.
380 that the CPU was online at the beginning of the expedited grace period
384 indicates that the expedited grace period has been going on for 21,119
385 jiffies. The number following the "s:" indicates that the expedited
387 odd indicates that an expedited grace period is in flight. The number
390 current expedited grace period. If the tree had more than one level,
399 expedited grace periods at about the same time during the same run.
H A Dchecklist.rst217 The expedited forms of these primitives have the same semantics
218 as the non-expedited forms, but expediting is more CPU intensive.
219 Use of the expedited primitives should be restricted to rare
223 kernel boot parameter to completely disable expedited grace
226 In particular, if you find yourself invoking one of the expedited
229 a single non-expedited primitive to cover the entire batch.
231 expedited primitive, and will be much much easier on the rest
247 srcu_struct. The rules for the expedited RCU grace-period-wait
248 primitives are the same as for their non-expedited counterparts.
451 SRCU's expedited primitive (synchronize_srcu_expedited())
H A DRTFP.txt178 its appearance, as did expedited RCU [PaulEMcKenney2009expeditedRCU].
2256 ,Title="[{PATCH} -tip 0/3] expedited 'big hammer' {RCU} grace periods"
2264 First posting of expedited RCU to be accepted into -tip.
/linux/include/uapi/linux/
H A Dx25.h123 __u8 expedited; member
/linux/kernel/rcu/
H A DKconfig256 blocking an expedited RCU grace period is boosted immediately.
261 bool "Perform RCU expedited work in a real-time kthread"
265 Use this option to further reduce the latencies of expedited
269 disable expedited grace periods after boot by unconditionally
H A DKconfig.debug133 If a given expedited RCU grace period extends more than the
/linux/Documentation/maintainer/
H A Dmaintainer-entry-profile.rst67 why they should be considered on an expedited schedule. A general
/linux/Documentation/RCU/Design/Data-Structures/
H A DData-Structures.rst157 events, maintains ``rcu_barrier()`` state, tracks expedited
470 current expedited grace period. An expedited grace period has the same
471 conceptual properties as a normal grace period, but the expedited
479 expedited grace periods, respectively.
543 periods and in ``->exp_tasks`` for expedited grace periods. These last
553 RCU read-side critical section, then an expedited grace period started,
/linux/Documentation/RCU/Design/Requirements/
H A DRequirements.rst1796 | all synchronous grace periods are handled by the expedited |
1797 | grace-period mechanism. At runtime, this expedited mechanism relies |
1799 | drives the desired expedited grace period. Because dead-zone |
1801 | dead zone ends, expedited grace periods go back to using workqueues, |
1803 | user task received a POSIX signal while driving an expedited grace |
2663 SRCU also differs from other RCU flavors in that SRCU's expedited and
2664 non-expedited grace periods are implemented by the same mechanism. This
2672 period, that invocation will be automatically expedited.
2813 well as zero interprocessor interrupts undertaken during an expedited
/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt5903 Measure performance of expedited synchronous
6026 expedited-grace-period primitives, if available.
6031 concurrent expedited grace periods into account,
6036 expedited-grace-period primitives that also take
6051 Nominal wait interval for expedited conditional
6060 Use expedited update-side primitives, if available.
6063 Use normal (non-expedited) asynchronous
6071 Use polled update-side expedited-grace-period
6076 primitives that also take concurrent expedited
6080 Use polled update-side expedited-grace-period
[all …]