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Searched refs:sched_clock (Results 1 – 25 of 49) sorted by relevance

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/linux-6.15/include/linux/sched/
H A Dclock.h15 extern u64 sched_clock(void);
22 return sched_clock(); in sched_clock_noinstr()
54 return sched_clock(); in cpu_clock()
64 return sched_clock(); in local_clock()
/linux-6.15/Documentation/timers/
H A Dtimekeeping.rst2 Clock sources, Clock events, sched_clock() and delay timers
12 architecture-specific overrides of the sched_clock() function and some
18 sched_clock() is used for scheduling and timestamping, and delay timers
108 sched_clock()
114 may not provide an implementation of sched_clock() on its own. If a local
116 sched_clock().
118 As the name suggests, sched_clock() is used for scheduling the system,
126 for speed in sched_clock(). It however requires some of the same basic
138 The clock driving sched_clock() may stop or reset to zero during system
143 The sched_clock() function should be callable in any context, IRQ- and
[all …]
/linux-6.15/arch/arm/lib/
H A Duaccess_with_memcpy.c251 t0 = sched_clock();
253 t1 = sched_clock();
255 t2 = sched_clock();
260 t0 = sched_clock();
262 t1 = sched_clock();
264 t2 = sched_clock();
/linux-6.15/kernel/sched/
H A Dclock.c62 notrace unsigned long long __weak sched_clock(void) in sched_clock() function
67 EXPORT_SYMBOL_GPL(sched_clock);
114 scd->tick_raw = sched_clock(); in __scd_stamp()
394 return sched_clock() + __sched_clock_offset; in sched_clock_cpu()
397 return sched_clock(); in sched_clock_cpu()
489 return sched_clock(); in sched_clock_cpu()
H A Dpsi.c186 group->avg_last_update = sched_clock(); in group_init()
568 now = sched_clock(); in psi_avgs_work()
639 now = sched_clock(); in psi_rtpoll_work()
1250 now = sched_clock(); in psi_show()
1340 window_reset(&t->win, sched_clock(), in psi_trigger_create()
H A Dcputime.c647 clock = sched_clock(); in vtime_delta()
796 vtime->starttime = sched_clock(); in vtime_task_switch_generic()
809 vtime->starttime = sched_clock(); in vtime_init_idle()
/linux-6.15/kernel/locking/
H A Dqspinlock_stat.h110 u64 start = sched_clock(); in __pv_kick()
114 this_cpu_add(EVENT_COUNT(pv_latency_kick), sched_clock() - start); in __pv_kick()
128 sched_clock() - *pkick_time); in __pv_wait()
/linux-6.15/drivers/clocksource/
H A Dhyperv_timer.c527 static __always_inline void hv_setup_sched_clock(void *sched_clock) in hv_setup_sched_clock() argument
534 sched_clock_register(sched_clock, 64, NSEC_PER_SEC); in hv_setup_sched_clock()
537 static __always_inline void hv_setup_sched_clock(void *sched_clock) in hv_setup_sched_clock() argument
540 paravirt_set_sched_clock(sched_clock); in hv_setup_sched_clock()
543 static __always_inline void hv_setup_sched_clock(void *sched_clock) {} in hv_setup_sched_clock() argument
/linux-6.15/arch/arm/mach-omap2/
H A Dpm-debug.c60 t = sched_clock(); in pm_dbg_update_time()
180 t = sched_clock(); in pwrdms_setup()
/linux-6.15/arch/powerpc/lib/
H A Dqspinlock.c66 u64 delta = sched_clock() - seen; in recently_sleepy()
239 this_cpu_write(sleepy_lock_seen_clock, sched_clock()); in seen_sleepy_owner()
248 this_cpu_write(sleepy_lock_seen_clock, sched_clock()); in seen_sleepy_lock()
255 this_cpu_write(sleepy_lock_seen_clock, sched_clock()); in seen_sleepy_node()
/linux-6.15/arch/m68k/coldfire/
H A Ddma_timer.c77 unsigned long long sched_clock(void) in sched_clock() function
/linux-6.15/kernel/trace/
H A Dtrace_clock.c42 clock = sched_clock(); in trace_clock_local()
/linux-6.15/kernel/time/
H A DMakefile23 obj-$(CONFIG_GENERIC_SCHED_CLOCK) += sched_clock.o
H A Dsched_clock.c106 unsigned long long notrace sched_clock(void) in sched_clock() function
/linux-6.15/arch/mips/cavium-octeon/
H A Dcsrc-octeon.c114 unsigned long long notrace sched_clock(void) in sched_clock() function
/linux-6.15/arch/x86/kernel/
H A Dnmi.c167 delta = sched_clock(); in nmi_handle()
170 delta = sched_clock() - delta; in nmi_handle()
H A Dtsc.c283 notrace u64 sched_clock(void) in sched_clock() function
965 cyc2ns_suspend = sched_clock(); in tsc_save_sched_clock_state()
996 offset = cyc2ns_suspend - sched_clock(); in tsc_restore_sched_clock_state()
/linux-6.15/arch/microblaze/kernel/
H A Dtimer.c212 timecounter_init(&xilinx_tc, &xilinx_cc, sched_clock()); in init_xilinx_timecounter()
/linux-6.15/sound/soc/mediatek/common/
H A Dmtk-btcvsd.c649 t1 = sched_clock(); in wait_for_bt_irq()
660 t2 = sched_clock(); in wait_for_bt_irq()
764 bt->rx->time_stamp = sched_clock(); in mtk_btcvsd_snd_read()
788 bt->tx->time_stamp = sched_clock(); in mtk_btcvsd_snd_write()
/linux-6.15/arch/s390/kernel/
H A Dtime.c110 unsigned long long notrace sched_clock(void) in sched_clock() function
114 NOKPROBE_SYMBOL(sched_clock);
/linux-6.15/fs/bcachefs/
H A Dsix.c367 end_time = sched_clock() + 10 * NSEC_PER_USEC; in six_optimistic_spin()
380 if (!(++loop & 0xf) && (time_after64(sched_clock(), end_time))) { in six_optimistic_spin()
/linux-6.15/drivers/perf/
H A Darm_pmu.c433 start_clock = sched_clock(); in armpmu_dispatch_irq()
435 finish_clock = sched_clock(); in armpmu_dispatch_irq()
/linux-6.15/drivers/acpi/apei/
H A Dghes.c974 now = sched_clock(); in ghes_estatus_cached()
1009 cache->time_in = sched_clock(); in ghes_estatus_cache_alloc()
1039 now = sched_clock(); in ghes_estatus_cache_add()
/linux-6.15/arch/arm/probes/kprobes/
H A Dtest-core.c508 t0 = sched_clock(); in benchmark()
511 t = sched_clock() - t0; in benchmark()
/linux-6.15/kernel/rcu/
H A Drefscale.c572 x += sched_clock(); in ref_sched_clock_section()
584 x += sched_clock(); in ref_sched_clock_delay_section()

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