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

/Linux-v4.19/tools/testing/selftests/vm/
Duserfaultfd.c82 static int bounces; variable
285 if (bounces & BOUNCE_RANDOM) { in locking_thread()
286 seed = (unsigned int) time(NULL) - bounces; in locking_thread()
287 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
294 page_nr = -bounces; in locking_thread()
295 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
300 if (bounces & BOUNCE_RANDOM) { in locking_thread()
315 if (bounces & BOUNCE_VERIFY) { in locking_thread()
539 if (bounces & BOUNCE_VERIFY && in uffd_read_thread()
577 if (bounces & BOUNCE_POLL) { in stress()
[all …]
/Linux-v4.19/Documentation/locking/
Dlockstat.txt45 con-bounces - number of lock contention that involved x-cpu data
51 acq-bounces - number of lock acquisitions that involved x-cpu data
87 … class name con-bounces contentions waittime-min waittime-max waittime-total …
127 con-bounces point is missing in the statistics.
/Linux-v4.19/kernel/locking/
Dlockdep_proc.c451 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_write]); in seq_stats()
453 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_write]); in seq_stats()
460 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_read]); in seq_stats()
462 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_read]); in seq_stats()
Dlockdep.c228 for (i = 0; i < ARRAY_SIZE(stats.bounces); i++) in lock_stats()
229 stats.bounces[i] += pcs->bounces[i]; in lock_stats()
4068 stats->bounces[bounce_contended + !!hlock->read]++; in __lock_contended()
4115 stats->bounces[bounce_acquired + !!hlock->read]++; in __lock_acquired()
/Linux-v4.19/kernel/
DKconfig.hz13 contention and cacheline bounces as a result of timer interrupts.
/Linux-v4.19/Documentation/trace/
Devents-kmem.rst100 line bounces due to writes between CPUs and worth investigating if pages
/Linux-v4.19/include/linux/
Dlockdep.h142 unsigned long bounces[nr_bounce_types]; member