| /linux/drivers/rtc/ |
| H A D | rtc-88pm80x.c | 103 unsigned long ticks, base, data; in pm80x_rtc_read_time() local
113 ticks = base + data; in pm80x_rtc_read_time()
114 dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n", in pm80x_rtc_read_time()
115 base, data, ticks); in pm80x_rtc_read_time()
116 rtc_time64_to_tm(ticks, tm); in pm80x_rtc_read_time()
124 unsigned long ticks, base, data; in pm80x_rtc_set_time() local
126 ticks = rtc_tm_to_time64(tm); in pm80x_rtc_set_time()
132 base = ticks - data; in pm80x_rtc_set_time()
133 dev_dbg(info->dev, "set base:0x%lx, RO count:0x%lx, ticks:0x%lx\n", in pm80x_rtc_set_time()
134 base, data, ticks); in pm80x_rtc_set_time()
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| H A D | rtc-tps6586x.c | 59 unsigned long long ticks = 0; in tps6586x_rtc_read_time() local
72 ticks <<= 8; in tps6586x_rtc_read_time()
73 ticks |= buff[i]; in tps6586x_rtc_read_time()
76 seconds = ticks >> 10; in tps6586x_rtc_read_time()
85 unsigned long long ticks; in tps6586x_rtc_set_time() local
92 ticks = (unsigned long long)seconds << 10; in tps6586x_rtc_set_time()
93 buff[0] = (ticks >> 32) & 0xff; in tps6586x_rtc_set_time()
94 buff[1] = (ticks >> 24) & 0xff; in tps6586x_rtc_set_time()
95 buff[2] = (ticks >> 16) & 0xff; in tps6586x_rtc_set_time()
96 buff[3] = (ticks >> 8) & 0xff; in tps6586x_rtc_set_time()
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| H A D | rtc-88pm860x.c | 82 unsigned long ticks, base, data; in pm860x_rtc_read_time() local
94 ticks = base + data; in pm860x_rtc_read_time()
95 dev_dbg(info->dev, "get base:0x%lx, RO count:0x%lx, ticks:0x%lx\n", in pm860x_rtc_read_time()
96 base, data, ticks); in pm860x_rtc_read_time()
98 rtc_time64_to_tm(ticks, tm); in pm860x_rtc_read_time()
107 unsigned long ticks, base, data; in pm860x_rtc_set_time() local
109 ticks = rtc_tm_to_time64(tm); in pm860x_rtc_set_time()
115 base = ticks - data; in pm860x_rtc_set_time()
116 dev_dbg(info->dev, "set base:0x%lx, RO count:0x%lx, ticks:0x%lx\n", in pm860x_rtc_set_time()
117 base, data, ticks); in pm860x_rtc_set_time()
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| /linux/fs/ |
| H A D | timerfd.c | 39 u64 ticks; member
69 ctx->ticks++; in timerfd_triggered()
94 * wake-up requires ctx->ticks to be non zero, therefore we increment
110 ctx->ticks++; in timerfd_clock_was_set()
201 ctx->ticks = 0; in timerfd_setup()
258 if (ctx->ticks) in timerfd_poll()
270 u64 ticks = 0; in timerfd_read_iter() local
272 if (iov_iter_count(to) < sizeof(ticks)) in timerfd_read_iter()
279 res = wait_event_interruptible_locked_irq(ctx->wqh, ctx->ticks); in timerfd_read_iter()
283 * ticks and we do not rearm the timer. Userspace must in timerfd_read_iter()
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| /linux/Documentation/timers/ |
| H A D | no_hz.rst | 2 NO_HZ: Reducing Scheduling-Clock Ticks
13 (also known as "scheduling-clock ticks" or simply "ticks"):
15 1. Never omit scheduling-clock ticks (CONFIG_HZ_PERIODIC=y or
19 2. Omit scheduling-clock ticks on idle CPUs (CONFIG_NO_HZ_IDLE=y or
23 3. Omit scheduling-clock ticks on CPUs that are either idle or that
33 Never Omit Scheduling-Clock Ticks
37 are incapable of omitting scheduling-clock ticks. It turns out that
65 Omit Scheduling-Clock Ticks For Idle CPUs
104 Omit Scheduling-Clock Ticks For CPUs With Only One Runnable Task
109 Note that omitting scheduling-clock ticks for CPUs with only one runnable
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| /linux/drivers/hwmon/ |
| H A D | hih6130.c | 46 * hih6130_temp_ticks_to_millicelsius() - convert raw temperature ticks to
48 * @ticks: temperature ticks value received from sensor
50 static inline int hih6130_temp_ticks_to_millicelsius(int ticks) in hih6130_temp_ticks_to_millicelsius() argument
52 ticks = ticks >> 2; in hih6130_temp_ticks_to_millicelsius()
55 * Formula T = ( ticks / ( 2^14 - 2 ) ) * 165 -40 in hih6130_temp_ticks_to_millicelsius()
57 return (DIV_ROUND_CLOSEST(ticks * 1650, 16382) - 400) * 100; in hih6130_temp_ticks_to_millicelsius()
61 * hih6130_rh_ticks_to_per_cent_mille() - convert raw humidity ticks to
63 * @ticks: humidity ticks value received from sensor
65 static inline int hih6130_rh_ticks_to_per_cent_mille(int ticks) in hih6130_rh_ticks_to_per_cent_mille() argument
67 ticks &= ~0xC000; /* clear status bits */ in hih6130_rh_ticks_to_per_cent_mille()
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| H A D | sht21.c | 49 * sht21_temp_ticks_to_millicelsius() - convert raw temperature ticks to
51 * @ticks: temperature ticks value received from sensor
53 static inline int sht21_temp_ticks_to_millicelsius(int ticks) in sht21_temp_ticks_to_millicelsius() argument
55 ticks &= ~0x0003; /* clear status bits */ in sht21_temp_ticks_to_millicelsius()
60 return ((21965 * ticks) >> 13) - 46850; in sht21_temp_ticks_to_millicelsius()
64 * sht21_rh_ticks_to_per_cent_mille() - convert raw humidity ticks to
66 * @ticks: humidity ticks value received from sensor
68 static inline int sht21_rh_ticks_to_per_cent_mille(int ticks) in sht21_rh_ticks_to_per_cent_mille() argument
70 ticks &= ~0x0003; /* clear status bits */ in sht21_rh_ticks_to_per_cent_mille()
75 return ((15625 * ticks) >> 13) - 6000; in sht21_rh_ticks_to_per_cent_mille()
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| /linux/arch/powerpc/sysdev/ |
| H A D | mpic_timer.c | 85 const u64 ticks, time64_t *time) in convert_ticks_to_time() argument
87 *time = (u64)div_u64(ticks, priv->timerfreq); in convert_ticks_to_time()
90 /* the time set by the user is converted to "ticks" */
92 time64_t time, u64 *ticks) in convert_time_to_ticks() argument
101 *ticks = (u64)time * (u64)priv->timerfreq; in convert_time_to_ticks()
137 static int set_cascade_timer(struct timer_group_priv *priv, u64 ticks, in set_cascade_timer() argument
154 tmp_ticks = div_u64_rem(ticks, MAX_TICKS_CASCADE, &rem_ticks); in set_cascade_timer()
166 u64 ticks) in get_cascade_timer() argument
174 if (ticks > max_ticks) in get_cascade_timer()
182 /* set ticks to timer */ in get_cascade_timer()
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| /linux/drivers/ssb/ |
| H A D | driver_extif.c | 115 u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks) in ssb_extif_watchdog_timer_set_wdt() argument
119 return ssb_extif_watchdog_timer_set(extif, ticks); in ssb_extif_watchdog_timer_set_wdt()
125 u32 ticks = (SSB_EXTIF_WATCHDOG_CLK / 1000) * ms; in ssb_extif_watchdog_timer_set_ms() local
127 ticks = ssb_extif_watchdog_timer_set(extif, ticks); in ssb_extif_watchdog_timer_set_ms()
129 return (ticks * 1000) / SSB_EXTIF_WATCHDOG_CLK; in ssb_extif_watchdog_timer_set_ms()
132 u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks) in ssb_extif_watchdog_timer_set() argument
134 if (ticks > SSB_EXTIF_WATCHDOG_MAX_TIMER) in ssb_extif_watchdog_timer_set()
135 ticks = SSB_EXTIF_WATCHDOG_MAX_TIMER; in ssb_extif_watchdog_timer_set()
136 extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks); in ssb_extif_watchdog_timer_set()
138 return ticks; in ssb_extif_watchdog_timer_set()
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| H A D | driver_chipcommon.c | 311 u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks) in ssb_chipco_watchdog_timer_set_wdt() argument
318 return ssb_chipco_watchdog_timer_set(cc, ticks); in ssb_chipco_watchdog_timer_set_wdt()
324 u32 ticks; in ssb_chipco_watchdog_timer_set_ms() local
329 ticks = ssb_chipco_watchdog_timer_set(cc, cc->ticks_per_ms * ms); in ssb_chipco_watchdog_timer_set_ms()
330 return ticks / cc->ticks_per_ms; in ssb_chipco_watchdog_timer_set_ms()
470 /* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
471 u32 ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks) in ssb_chipco_watchdog_timer_set() argument
478 if (ticks == 1) in ssb_chipco_watchdog_timer_set()
479 ticks = 2; in ssb_chipco_watchdog_timer_set()
480 else if (ticks > maxt) in ssb_chipco_watchdog_timer_set()
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| /linux/drivers/bcma/ |
| H A D | driver_chipcommon.c | 78 u32 ticks) in bcma_chipco_watchdog_timer_set_wdt() argument
82 return bcma_chipco_watchdog_timer_set(cc, ticks); in bcma_chipco_watchdog_timer_set_wdt()
89 u32 ticks; in bcma_chipco_watchdog_timer_set_ms_wdt() local
91 ticks = bcma_chipco_watchdog_timer_set(cc, cc->ticks_per_ms * ms); in bcma_chipco_watchdog_timer_set_ms_wdt()
92 return ticks / cc->ticks_per_ms; in bcma_chipco_watchdog_timer_set_ms_wdt()
235 /* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
236 u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks) in bcma_chipco_watchdog_timer_set() argument
242 if (ticks == 1) in bcma_chipco_watchdog_timer_set()
243 ticks = 2; in bcma_chipco_watchdog_timer_set()
244 else if (ticks > maxt) in bcma_chipco_watchdog_timer_set()
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| /linux/include/sound/ |
| H A D | timer.h | 46 unsigned long ticks; /* max timer ticks per interrupt */ member
67 unsigned long sticks; /* schedule ticks */
89 unsigned long ticks, unsigned long resolution);
96 unsigned long ticks; /* auto-load ticks when expired */ member
97 unsigned long cticks; /* current ticks */
98 unsigned long pticks; /* accumulated ticks for callback */
100 unsigned long lost; /* lost ticks */
126 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks);
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| /linux/kernel/time/ |
| H A D | tick-legacy.c | 15 * @ticks: number of ticks, that have elapsed since the last call.
20 * If 'ticks' is zero, the CPU is not handling timekeeping, so
25 void legacy_timer_tick(unsigned long ticks) in legacy_timer_tick() argument
27 if (ticks) { in legacy_timer_tick()
30 do_timer(ticks); in legacy_timer_tick()
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| /linux/drivers/acpi/acpica/ |
| H A D | hwtimer.c | 53 * PARAMETERS: ticks - Where the timer value is returned in ACPI_EXPORT_SYMBOL()
55 * RETURN: Status and current timer value (ticks) in ACPI_EXPORT_SYMBOL()
57 * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks). in ACPI_EXPORT_SYMBOL()
60 acpi_status acpi_get_timer(u32 * ticks) in ACPI_EXPORT_SYMBOL()
67 if (!ticks) { in ACPI_EXPORT_SYMBOL()
82 *ticks = (u32)timer_value; in ACPI_EXPORT_SYMBOL()
104 * The PM Timer's clock ticks at roughly 3.6 times per in ACPI_EXPORT_SYMBOL()
114 * 2**24 Ticks / 3,600,000 Ticks/Sec = 4.66 sec in ACPI_EXPORT_SYMBOL()
115 * 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes in ACPI_EXPORT_SYMBOL()
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| /linux/Documentation/block/ |
| H A D | stat.rst | 32 read ticks milliseconds total wait time for read requests
36 write ticks milliseconds total wait time for write requests
43 discard ticks milliseconds total wait time for discard requests
45 flush ticks milliseconds total wait time for flush requests
75 read ticks, write ticks, discard ticks, flush ticks
103 number of requests waiting (see "read ticks" above for an example).
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| /linux/sound/isa/gus/ |
| H A D | gus_timer.c | 21 unsigned int ticks; in snd_gf1_timer1_start() local
26 ticks = timer->sticks; in snd_gf1_timer1_start()
28 snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1, 256 - ticks); /* timer 1 count */ in snd_gf1_timer1_start()
57 unsigned int ticks; in snd_gf1_timer2_start() local
62 ticks = timer->sticks; in snd_gf1_timer2_start()
64 snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2, 256 - ticks); /* timer 2 count */ in snd_gf1_timer2_start()
115 .ticks = 256,
124 .ticks = 256,
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| /linux/arch/arm/mach-rpc/ |
| H A D | time.c | 33 u32 ticks; in ioc_timer_read() local
45 ticks = ioc_time + RPC_LATCH - count2; in ioc_timer_read()
54 ticks += RPC_LATCH; in ioc_timer_read()
59 * been processed, so add the missed ticks. in ioc_timer_read()
61 ticks += RPC_LATCH; in ioc_timer_read()
64 return ticks; in ioc_timer_read()
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| /linux/drivers/char/hw_random/ |
| H A D | n2-drv.c | 113 unsigned long hv_err, state, ticks, watchdog_delta, watchdog_status; in n2rng_generic_read_control_v2() local
118 &ticks, in n2rng_generic_read_control_v2()
133 __delay(ticks); in n2rng_generic_read_control_v2()
159 unsigned long *ticks) in n2rng_write_ctl_one() argument
165 watchdog_timeout, ticks); in n2rng_write_ctl_one()
171 *ticks = N2RNG_ACCUM_CYCLES_DEFAULT; in n2rng_write_ctl_one()
179 unsigned long ticks, hv_err; in n2rng_generic_read_data() local
183 hv_err = sun4v_rng_data_read(data_ra, &ticks); in n2rng_generic_read_data()
190 __delay(ticks); in n2rng_generic_read_data()
206 unsigned long *ticks) in n2rng_read_diag_data_one() argument
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| /linux/include/net/tc_act/ |
| H A D | tc_police.h | 78 * 1 second 2^6 ticks in tcf_police_burst()
83 * 2^6 ticks in tcf_police_burst()
85 * "rate" bytes "burst" nanoseconds 2^6 ticks in tcf_police_burst()
87 * 1 second 2^6 ticks NSEC_PER_SEC nanoseconds in tcf_police_burst()
126 * 1 second 2^6 ticks in tcf_police_burst_pkt()
131 * 2^6 ticks in tcf_police_burst_pkt()
133 * "rate" pkts "burst" nanoseconds 2^6 ticks in tcf_police_burst_pkt()
135 * 1 second 2^6 ticks NSEC_PER_SEC nanoseconds in tcf_police_burst_pkt()
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| /linux/tools/testing/selftests/tc-testing/plugin-lib/ |
| H A D | nsPlugin.py | 41 ticks = 20
43 if ticks == 0:
53 ticks -= 1
132 ticks = 20
134 if ticks == 0:
144 ticks -= 1
149 ticks = 20
151 if ticks == 0:
159 ticks -= 1
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| /linux/drivers/gpu/drm/msm/ |
| H A D | msm_gpu_trace.h | 34 TP_PROTO(struct msm_gem_submit *submit, u64 ticks),
35 TP_ARGS(submit, ticks),
41 __field(u64, ticks)
48 __entry->ticks = ticks;
50 TP_printk("id=%d pid=%d ring=%d:%d ticks=%lld",
52 __entry->ticks)
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| /linux/arch/loongarch/kvm/ |
| H A D | timer.c | 55 unsigned long ticks, delta, period; in kvm_restore_timer() local
90 ticks = kvm_read_sw_gcsr(csr, LOONGARCH_CSR_TVAL); in kvm_restore_timer()
92 if (!(cfg & CSR_TCFG_PERIOD) && (ticks > cfg)) { in kvm_restore_timer()
140 unsigned long ticks, delta, cfg; in _kvm_save_timer() local
145 ticks = kvm_read_sw_gcsr(csr, LOONGARCH_CSR_TVAL); in _kvm_save_timer()
154 if (ticks < cfg) in _kvm_save_timer()
155 delta = tick_to_ns(vcpu, ticks); in _kvm_save_timer()
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| /linux/tools/testing/selftests/bpf/benchs/ |
| H A D | bench_local_storage_rcu_tasks_trace.c | 29 "Pid of rcu_tasks_trace kthread for ticks tracking"},
191 long ticks; in measure() local
195 ticks = kthread_pid_ticks(); in measure()
196 res->stime = ticks - ctx.prev_kthread_stime; in measure()
197 ctx.prev_kthread_stime = ticks; in measure()
220 printf("Iter %d\t avg ticks per tasks_trace grace period\t%lf\n", in report_progress()
232 printf("SUMMARY ticks per tasks_trace grace period"); in report_final()
252 * using /proc/PID/stat to measure rcu_tasks_trace_kthread kernel ticks
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| /linux/sound/core/ |
| H A D | timer.c | 74 unsigned long ticks; member
541 bool start, unsigned long ticks) in snd_timer_start1() argument
563 if ((u64)snd_timer_hw_resolution(timer) * ticks < 100000) in snd_timer_start1()
568 timeri->ticks = timeri->cticks = ticks; in snd_timer_start1()
582 timer->sticks = ticks; in snd_timer_start1()
631 timeri->cticks = timeri->ticks; in snd_timer_stop1()
678 int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks) in snd_timer_start() argument
680 if (timeri == NULL || ticks < 1) in snd_timer_start()
685 return snd_timer_start1(timeri, true, ticks); in snd_timer_start()
720 * pause.. remember the ticks left
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| /linux/drivers/misc/ |
| H A D | vcpu_stall_detector.c | 61 u32 ticks, ping_timeout_ms; in vcpu_stall_detect_timer_fn() local
68 ticks = vcpu_stall_config.clock_freq_hz * in vcpu_stall_detect_timer_fn()
71 VCPU_STALL_REG_LOAD_CNT, ticks); in vcpu_stall_detect_timer_fn()
89 u32 ticks, ping_timeout_ms; in start_stall_detector_cpu() local
97 /* Compute the number of ticks required for the stall detector in start_stall_detector_cpu()
101 ticks = vcpu_stall_config.clock_freq_hz * in start_stall_detector_cpu()
103 vcpu_stall_reg_write(cpu, VCPU_STALL_REG_LOAD_CNT, ticks); in start_stall_detector_cpu()
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