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

/linux-4.4.14/tools/testing/selftests/vm/
Duserfaultfd.c77 static int bounces; variable
120 if (bounces & BOUNCE_RANDOM) { in locking_thread()
121 seed = (unsigned int) time(NULL) - bounces; in locking_thread()
122 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
129 page_nr = -bounces; in locking_thread()
130 if (!(bounces & BOUNCE_RACINGFAULTS)) in locking_thread()
135 if (bounces & BOUNCE_RANDOM) { in locking_thread()
150 if (bounces & BOUNCE_VERIFY) { in locking_thread()
321 if (bounces & BOUNCE_VERIFY && in uffd_read_thread()
359 if (bounces & BOUNCE_POLL) { in stress()
[all …]
/linux-4.4.14/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-4.4.14/kernel/locking/
Dlockdep_proc.c480 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_write]); in seq_stats()
482 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_write]); in seq_stats()
489 seq_printf(m, "%14lu ", stats->bounces[bounce_contended_read]); in seq_stats()
491 seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_read]); in seq_stats()
Dlockdep.c226 for (i = 0; i < ARRAY_SIZE(stats.bounces); i++) in lock_stats()
227 stats.bounces[i] += pcs->bounces[i]; in lock_stats()
3753 stats->bounces[bounce_contended + !!hlock->read]++; in __lock_contended()
3811 stats->bounces[bounce_acquired + !!hlock->read]++; in __lock_acquired()
/linux-4.4.14/kernel/
DKconfig.hz13 contention and cacheline bounces as a result of timer interrupts.
/linux-4.4.14/include/linux/
Dlockdep.h139 unsigned long bounces[nr_bounce_types]; member
/linux-4.4.14/Documentation/trace/
Devents-kmem.txt90 line bounces due to writes between CPUs and worth investigating if pages