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Searched refs:gp_seq (Results 1 – 14 of 14) sorted by relevance

/Linux-v5.15/include/trace/events/
Drcu.h71 TP_PROTO(const char *rcuname, unsigned long gp_seq, const char *gpevent),
73 TP_ARGS(rcuname, gp_seq, gpevent),
77 __field(long, gp_seq)
83 __entry->gp_seq = (long)gp_seq;
88 __entry->rcuname, __entry->gp_seq, __entry->gpevent)
109 TP_PROTO(const char *rcuname, unsigned long gp_seq,
113 TP_ARGS(rcuname, gp_seq, gp_seq_req, level, grplo, grphi, gpevent),
117 __field(long, gp_seq)
127 __entry->gp_seq = (long)gp_seq;
136 __entry->rcuname, (long)__entry->gp_seq, (long)__entry->gp_seq_req, __entry->level,
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/Linux-v5.15/kernel/rcu/
Dtiny.c35 unsigned long gp_seq; /* Grace-period counter. */ member
42 .gp_seq = 0 - 300UL,
61 WRITE_ONCE(rcu_ctrlblk.gp_seq, rcu_ctrlblk.gp_seq + 1); in rcu_qs()
189 return READ_ONCE(rcu_ctrlblk.gp_seq); in get_state_synchronize_rcu()
199 unsigned long gp_seq = get_state_synchronize_rcu(); in start_poll_synchronize_rcu() local
205 return gp_seq; in start_poll_synchronize_rcu()
216 return READ_ONCE(rcu_ctrlblk.gp_seq) != oldstate; in poll_state_synchronize_rcu()
Dtree.c88 .gp_seq = (0UL - 300UL) << RCU_SEQ_CTR_SHIFT,
231 return rcu_seq_state(rcu_seq_current(&rcu_state.gp_seq)); in rcu_gp_in_progress()
560 return READ_ONCE(rcu_state.gp_seq); in rcu_get_gp_seq()
588 unsigned long *gp_seq) in rcutorture_get_gp_data() argument
593 *gp_seq = rcu_seq_current(&rcu_state.gp_seq); in rcutorture_get_gp_data()
1190 if (ULONG_CMP_LT(rcu_seq_current(&rdp->gp_seq) + ULONG_MAX / 4, in rcu_gpnum_ovf()
1191 rnp->gp_seq)) in rcu_gpnum_ovf()
1193 if (ULONG_CMP_LT(rdp->rcu_iw_gp_seq + ULONG_MAX / 4, rnp->gp_seq)) in rcu_gpnum_ovf()
1194 rdp->rcu_iw_gp_seq = rnp->gp_seq + ULONG_MAX / 4; in rcu_gpnum_ovf()
1206 trace_rcu_fqs(rcu_state.name, rdp->gp_seq, rdp->cpu, TPS("dti")); in dyntick_save_progress_counter()
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Dtree_stall.h193 rdp->rcu_iw_gp_seq = rnp->gp_seq; in rcu_iw_handler()
428 ticks_value = rcu_seq_ctr(rcu_state.gp_seq - rdp->gp_seq); in print_cpu_stall_info()
436 delta = rcu_seq_ctr(rdp->mynode->gp_seq - rdp->rcu_iw_gp_seq); in print_cpu_stall_info()
467 (long)rcu_seq_current(&rcu_state.gp_seq), in rcu_check_gp_kthread_starvation()
511 (long)rcu_seq_current(&rcu_state.gp_seq), in rcu_check_gp_kthread_expired_fqs_timer()
520 static void print_other_cpu_stall(unsigned long gp_seq, unsigned long gps) in print_other_cpu_stall() argument
561 (long)rcu_seq_current(&rcu_state.gp_seq), totqlen); in print_other_cpu_stall()
569 if (rcu_seq_current(&rcu_state.gp_seq) != gp_seq) { in print_other_cpu_stall()
622 (long)rcu_seq_current(&rcu_state.gp_seq), totqlen); in print_cpu_stall()
685 gs1 = READ_ONCE(rcu_state.gp_seq); in check_cpu_stall()
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Drcu_segcblist.c241 BUILD_BUG_ON(RCU_NEXT_TAIL + 1 != ARRAY_SIZE(rsclp->gp_seq)); in rcu_segcblist_init()
242 BUILD_BUG_ON(ARRAY_SIZE(rsclp->tails) != ARRAY_SIZE(rsclp->gp_seq)); in rcu_segcblist_init()
329 *lp = rsclp->gp_seq[RCU_WAIT_TAIL]; in rcu_segcblist_nextgp()
495 if (ULONG_CMP_LT(seq, rsclp->gp_seq[i])) in rcu_segcblist_advance()
520 rsclp->gp_seq[j] = rsclp->gp_seq[i]; in rcu_segcblist_advance()
557 ULONG_CMP_LT(rsclp->gp_seq[i], seq)) in rcu_segcblist_accelerate()
597 rsclp->gp_seq[i] = seq; in rcu_segcblist_accelerate()
Drcu.h464 unsigned long *gp_seq);
473 int *flags, unsigned long *gp_seq) in rcutorture_get_gp_data() argument
476 *gp_seq = 0; in rcutorture_get_gp_data()
499 unsigned long *gp_seq) in srcutorture_get_gp_data() argument
504 *gp_seq = sp->srcu_idx; in srcutorture_get_gp_data()
511 unsigned long *gp_seq);
Dtree_plugin.h247 WARN_ON_ONCE(rnp->completedqs == rnp->gp_seq); in rcu_preempt_ctxt_queue()
287 __this_cpu_read(rcu_data.gp_seq), in rcu_qs()
336 ? rnp->gp_seq in rcu_note_context_switch()
337 : rcu_seq_snap(&rnp->gp_seq)); in rcu_note_context_switch()
517 WARN_ON_ONCE(rnp->completedqs == rnp->gp_seq && in rcu_preempt_deferred_qs_irqrestore()
525 rnp->gp_seq, t->pid); in rcu_preempt_deferred_qs_irqrestore()
546 rnp->gp_seq, in rcu_preempt_deferred_qs_irqrestore()
695 rnp->gp_seq, t->pid); in rcu_preempt_check_blocked_tasks()
781 (long)READ_ONCE(rnp->gp_seq), (long)rnp->completedqs); in dump_blkd_tasks()
847 __this_cpu_read(rcu_data.gp_seq), TPS("cpuqs")); in rcu_qs()
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Dtree.h44 unsigned long gp_seq; /* Track rsp->gp_seq. */ member
154 unsigned long gp_seq; /* Track rsp->gp_seq counter. */ member
310 unsigned long gp_seq; /* Grace-period sequence #. */ member
Dtree_nocb.h203 return &rnp->nocb_gp_wq[rcu_seq_ctr(rnp->gp_seq) & 0x1]; in rcu_nocb_gp_get()
451 rcu_seq_done(&rdp->mynode->gp_seq, cur_gp_seq)) { in rcu_nocb_try_bypass()
533 rcu_seq_done(&rdp->mynode->gp_seq, cur_gp_seq)) { in __call_rcu_nocb_wake()
667 rcu_seq_done(&rnp->gp_seq, cur_gp_seq))) { in nocb_gp_wait()
730 rcu_seq_done(&rnp->gp_seq, wait_gp_seq) || in nocb_gp_wait()
807 rcu_seq_done(&rnp->gp_seq, cur_gp_seq) && in nocb_cb_wait()
1362 sprintf(bufw, "%ld", rsclp->gp_seq[RCU_WAIT_TAIL]); in show_rcu_nocb_state()
1363 sprintf(bufr, "%ld", rsclp->gp_seq[RCU_NEXT_READY_TAIL]); in show_rcu_nocb_state()
Drcutorture.c1834 unsigned long __maybe_unused gp_seq = 0; in rcu_torture_stats_print() local
1837 &flags, &gp_seq); in rcu_torture_stats_print()
1839 &flags, &gp_seq); in rcu_torture_stats_print()
1843 rcu_torture_writer_state, gp_seq, flags, in rcu_torture_stats_print()
2769 unsigned long gp_seq = 0; in rcu_torture_cleanup() local
2815 rcutorture_get_gp_data(cur_ops->ttype, &flags, &gp_seq); in rcu_torture_cleanup()
2816 srcutorture_get_gp_data(cur_ops->ttype, srcu_ctlp, &flags, &gp_seq); in rcu_torture_cleanup()
2818 cur_ops->name, (long)gp_seq, flags, in rcu_torture_cleanup()
2819 rcutorture_seq_diff(gp_seq, start_gp_seq)); in rcu_torture_cleanup()
2951 unsigned long gp_seq = 0; in rcu_torture_init() local
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Dsrcutree.c1331 unsigned long *gp_seq) in srcutorture_get_gp_data() argument
1336 *gp_seq = rcu_seq_current(&ssp->srcu_gp_seq); in srcutorture_get_gp_data()
/Linux-v5.15/include/linux/
Drcu_segcblist.h186 unsigned long gp_seq[RCU_CBLIST_NSEGS]; member
/Linux-v5.15/Documentation/RCU/Design/Data-Structures/
DData-Structures.rst272 1 unsigned long gp_seq;
274 RCU grace periods are numbered, and the ``->gp_seq`` field contains the
278 ``->gp_seq`` are zero, then RCU is idle. Any other value in the bottom
282 There are ``->gp_seq`` fields in the ``rcu_node`` and ``rcu_data``
383 1 unsigned long gp_seq;
386 The ``rcu_node`` structures' ``->gp_seq`` fields are the counterparts of
389 two bits of a given ``rcu_node`` structure's ``->gp_seq`` field is zero,
392 The ``>gp_seq`` field of each ``rcu_node`` structure is updated at the
397 request is considered fulfilled when the value of the ``->gp_seq`` field
404 | very long time. Won't wrapping of the ``->gp_seq`` field cause |
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/Linux-v5.15/Documentation/RCU/Design/Memory-Ordering/
DTree-RCU-Memory-Ordering.rst346 advance the ``rcu_state`` structure's ``->gp_seq`` grace-period-number
374 breadth-first, setting each ``rcu_node`` structure's ``->gp_seq`` field
384 ``rcu_state`` structure's ``->gp_seq`` field) before setting each leaf
385 ``rcu_node`` structure's ``->gp_seq`` field, each CPU's observation of
441 | beginning of the grace period (the advancing of ``->gp_seq`` from |
571 advancing all the ``->gp_seq`` fields, then it advances the
572 ``rcu_state`` structure's ``->gp_seq`` field. The ordering effects are
591 | once the ``rcu_state`` structure's ``->gp_seq`` field has been |
600 Once a given CPU's leaf ``rcu_node`` structure's ``->gp_seq`` field has