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Searched refs:bounces (Results 1 – 7 of 7) sorted by relevance

/Linux-v5.10/tools/testing/selftests/vm/
Duserfaultfd.c69 static int bounces; variable
366 if (bounces & BOUNCE_RANDOM) { in locking_thread()
367 seed = (unsigned int) time(NULL) - bounces; in locking_thread()
368 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
377 page_nr = -bounces; in locking_thread()
378 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
383 if (bounces & BOUNCE_RANDOM) { in locking_thread()
402 if (bounces & BOUNCE_VERIFY) { in locking_thread()
573 if (bounces & BOUNCE_VERIFY && in uffd_handle_page_fault()
720 if (bounces & BOUNCE_POLL) { in stress()
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/Linux-v5.10/Documentation/locking/
Dlockstat.rst50 con-bounces
63 acq-bounces
108 … class name con-bounces contentions waittime-min waittime-max waittime-total …
148 con-bounces point is missing in the statistics.
/Linux-v5.10/kernel/locking/
Dlockdep_proc.c482 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_write]); in seq_stats()
484 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_write]); in seq_stats()
491 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_read]); in seq_stats()
493 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_read]); in seq_stats()
Dlockdep.c286 for (i = 0; i < ARRAY_SIZE(stats.bounces); i++) in lock_stats()
287 stats.bounces[i] += pcs->bounces[i]; in lock_stats()
5605 stats->bounces[bounce_contended + !!hlock->read]++; in __lock_contended()
5650 stats->bounces[bounce_acquired + !!hlock->read]++; in __lock_acquired()
/Linux-v5.10/include/linux/
Dlockdep_types.h157 unsigned long bounces[nr_bounce_types]; member
/Linux-v5.10/kernel/
DKconfig.hz14 contention and cacheline bounces as a result of timer interrupts.
/Linux-v5.10/Documentation/trace/
Devents-kmem.rst100 line bounces due to writes between CPUs and worth investigating if pages