/linux/include/linux/sched/ |
H A D | clock.h | 15 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/Documentation/timers/ |
H A D | timekeeping.rst | 2 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() 112 function in the kernel called sched_clock(). This function shall return the 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, 123 Compared to clock sources, sched_clock() has to be very fast: it is called 126 for speed in sched_clock(). It however requires some of the same basic [all …]
|
/linux/kernel/sched/ |
H A D | clock.c | 65 notrace unsigned long long __weak sched_clock(void) in sched_clock() function 70 EXPORT_SYMBOL_GPL(sched_clock); 117 scd->tick_raw = sched_clock(); in __scd_stamp() 397 return sched_clock() + __sched_clock_offset; in sched_clock_cpu() 400 return sched_clock(); in sched_clock_cpu() 492 return sched_clock(); in sched_clock_cpu()
|
H A D | psi.c | 208 group->avg_last_update = sched_clock(); in group_init() 590 now = sched_clock(); in psi_avgs_work() 661 now = sched_clock(); in psi_rtpoll_work() 1261 now = sched_clock(); in psi_show() 1351 window_reset(&t->win, sched_clock(), in psi_trigger_create()
|
H A D | cputime.c | 650 clock = sched_clock(); in vtime_delta() 799 vtime->starttime = sched_clock(); in vtime_task_switch_generic() 812 vtime->starttime = sched_clock(); in vtime_init_idle()
|
/linux/kernel/locking/ |
H A D | qspinlock_stat.h | 110 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()
|
H A D | rwsem.c | 813 return sched_clock() + delta; in rwsem_rspin_threshold() 873 else if (!(++loop & 0xf) && (sched_clock() > rspin_threshold)) { in rwsem_optimistic_spin()
|
/linux/drivers/clocksource/ |
H A D | hyperv_timer.c | 528 static __always_inline void hv_setup_sched_clock(void *sched_clock) in hv_setup_sched_clock() argument 535 sched_clock_register(sched_clock, 64, NSEC_PER_SEC); in hv_setup_sched_clock() 538 static __always_inline void hv_setup_sched_clock(void *sched_clock) in hv_setup_sched_clock() argument 541 paravirt_set_sched_clock(sched_clock); in hv_setup_sched_clock() 544 static __always_inline void hv_setup_sched_clock(void *sched_clock) {} in hv_setup_sched_clock() argument
|
/linux/arch/arm/mach-omap2/ |
H A D | pm-debug.c | 60 t = sched_clock(); in pm_dbg_update_time() 180 t = sched_clock(); in pwrdms_setup()
|
/linux/arch/powerpc/lib/ |
H A D | qspinlock.c | 66 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/arch/m68k/coldfire/ |
H A D | dma_timer.c | 77 unsigned long long sched_clock(void) in sched_clock() function
|
/linux/kernel/trace/ |
H A D | trace_clock.c | 42 clock = sched_clock(); in trace_clock_local()
|
/linux/arch/mips/cavium-octeon/ |
H A D | csrc-octeon.c | 114 unsigned long long notrace sched_clock(void) in sched_clock() function
|
/linux/sound/soc/mediatek/common/ |
H A D | mtk-btcvsd.c | 649 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/arch/microblaze/kernel/ |
H A D | timer.c | 212 timecounter_init(&xilinx_tc, &xilinx_cc, sched_clock()); in init_xilinx_timecounter()
|
/linux/arch/s390/kernel/ |
H A D | time.c | 106 unsigned long long notrace sched_clock(void) in sched_clock() function 110 NOKPROBE_SYMBOL(sched_clock);
|
/linux/fs/bcachefs/ |
H A D | six.c | 364 end_time = sched_clock() + 10 * NSEC_PER_USEC; in six_optimistic_spin() 377 if (!(++loop & 0xf) && (time_after64(sched_clock(), end_time))) { in six_optimistic_spin()
|
H A D | tests.c | 787 j->start = sched_clock(); in btree_perf_test_thread() 799 j->finish = sched_clock(); in btree_perf_test_thread()
|
/linux/drivers/perf/ |
H A D | arm_pmu.c | 444 start_clock = sched_clock(); in armpmu_dispatch_irq() 446 finish_clock = sched_clock(); in armpmu_dispatch_irq()
|
H A D | riscv_pmu_sbi.c | 963 u64 start_clock = sched_clock(); in pmu_sbi_ovf_handler() 1053 perf_sample_event_took(sched_clock() - start_clock); in pmu_sbi_ovf_handler()
|
/linux/kernel/rcu/ |
H A D | refscale.c | 542 x += sched_clock(); in ref_sched_clock_section() 554 x += sched_clock(); in ref_sched_clock_delay_section()
|
/linux/drivers/acpi/apei/ |
H A D | ghes.c | 1008 now = sched_clock(); in ghes_estatus_cached() 1043 cache->time_in = sched_clock(); in ghes_estatus_cache_alloc() 1073 now = sched_clock(); in ghes_estatus_cache_add()
|
/linux/arch/arm/probes/kprobes/ |
H A D | test-core.c | 508 t0 = sched_clock(); in benchmark() 511 t = sched_clock() - t0; in benchmark()
|
/linux/kernel/bpf/ |
H A D | trampoline.c | 879 start = sched_clock(); in bpf_prog_start_time() 929 duration = sched_clock() - start; in __update_prog_stats()
|
/linux/arch/sparc/kernel/ |
H A D | time_64.c | 882 unsigned long long sched_clock(void) in sched_clock() function
|