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Searched refs:period (Results 1 – 25 of 71) sorted by relevance

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/arch/m68k/atari/
Datasound.c59 int period; in atari_mksound() local
74 period = PSG_FREQ / hz; in atari_mksound()
76 if (period > 0xfff) period = 0xfff; in atari_mksound()
80 sound_ym.wd_data = period & 0xff; in atari_mksound()
82 sound_ym.wd_data = (period >> 8) & 0xf; in atari_mksound()
/arch/m68k/amiga/
Damisound.c82 unsigned long period = (clock_constant / hz); in amiga_mksound() local
84 if (period < amiga_audio_min_period) in amiga_mksound()
85 period = amiga_audio_min_period; in amiga_mksound()
86 if (period > MAX_PERIOD) in amiga_mksound()
87 period = MAX_PERIOD; in amiga_mksound()
92 custom.aud[2].audper = (unsigned short)period; in amiga_mksound()
/arch/powerpc/platforms/52xx/
Dmpc52xx_gpt.c383 static int mpc52xx_gpt_do_start(struct mpc52xx_gpt_priv *gpt, u64 period, in mpc52xx_gpt_do_start() argument
403 clocks = period * (u64)gpt->ipb_freq; in mpc52xx_gpt_do_start()
453 int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, in mpc52xx_gpt_start_timer() argument
456 return mpc52xx_gpt_do_start(gpt, period, continuous, 0); in mpc52xx_gpt_start_timer()
491 u64 period; in mpc52xx_gpt_timer_period() local
496 period = in_be32(&gpt->regs->count); in mpc52xx_gpt_timer_period()
499 prescale = period >> 16; in mpc52xx_gpt_timer_period()
500 period &= 0xffff; in mpc52xx_gpt_timer_period()
503 period = period * prescale * 1000000000ULL; in mpc52xx_gpt_timer_period()
504 do_div(period, gpt->ipb_freq); in mpc52xx_gpt_timer_period()
[all …]
/arch/m68k/kernel/
Dtime.c45 static unsigned cnt = 0, period = 0, dist = 0; in timer_heartbeat() local
52 if (++cnt > period) { in timer_heartbeat()
58 period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; in timer_heartbeat()
59 dist = period / 4; in timer_heartbeat()
/arch/nios2/kernel/
Dtime.c135 static void nios2_timer_config(struct nios2_timer *timer, unsigned long period, in nios2_timer_config() argument
142 period--; in nios2_timer_config()
150 timer_writew(timer, period, ALTERA_TIMER_PERIODL_REG); in nios2_timer_config()
151 timer_writew(timer, period >> 16, ALTERA_TIMER_PERIODH_REG); in nios2_timer_config()
182 unsigned long period; in nios2_timer_set_periodic() local
186 period = DIV_ROUND_UP(timer->freq, HZ); in nios2_timer_set_periodic()
187 nios2_timer_config(timer, period, true); in nios2_timer_set_periodic()
/arch/arm/mach-spear/
Dtime.c125 u32 period; in spear_set_periodic() local
131 period = clk_get_rate(gpt_clk) / HZ; in spear_set_periodic()
132 period >>= CTRL_PRESCALER16; in spear_set_periodic()
133 writew(period, gpt_base + LOAD(CLKEVT)); in spear_set_periodic()
/arch/x86/events/amd/
Dibs.c104 s64 period = hwc->sample_period; in perf_event_set_period() local
110 if (unlikely(left <= -period)) { in perf_event_set_period()
111 left = period; in perf_event_set_period()
113 hwc->last_period = period; in perf_event_set_period()
118 left += period; in perf_event_set_period()
120 hwc->last_period = period; in perf_event_set_period()
332 struct hw_perf_event *hwc, u64 *period) in perf_ibs_set_period() argument
337 overflow = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period); in perf_ibs_set_period()
427 u64 period, config = 0; in perf_ibs_start() local
435 perf_ibs_set_period(perf_ibs, hwc, &period); in perf_ibs_start()
[all …]
/arch/loongarch/kernel/
Dtime.c63 unsigned long period; in constant_set_state_periodic() local
68 period = const_clock_freq / HZ; in constant_set_state_periodic()
69 timer_config = period & CSR_TCFG_VAL; in constant_set_state_periodic()
Dperf_event.c305 u64 period = hwc->sample_period; in loongarch_pmu_event_set_period() local
307 if (unlikely((left + period) & (1ULL << 63))) { in loongarch_pmu_event_set_period()
309 left = period; in loongarch_pmu_event_set_period()
311 hwc->last_period = period; in loongarch_pmu_event_set_period()
313 } else if (unlikely((left + period) <= period)) { in loongarch_pmu_event_set_period()
315 left += period; in loongarch_pmu_event_set_period()
317 hwc->last_period = period; in loongarch_pmu_event_set_period()
488 data->period = event->hw.last_period; in handle_associated_event()
/arch/xtensa/kernel/
Dperf_event.c172 s64 period = hwc->sample_period; in xtensa_perf_event_set_period() local
175 if (left <= -period) { in xtensa_perf_event_set_period()
176 left = period; in xtensa_perf_event_set_period()
178 hwc->last_period = period; in xtensa_perf_event_set_period()
181 left += period; in xtensa_perf_event_set_period()
183 hwc->last_period = period; in xtensa_perf_event_set_period()
/arch/x86/kvm/
Di8254.c88 if (!ps->period) in __kpit_elapsed()
101 elapsed = ps->period - ktime_to_ns(remaining); in __kpit_elapsed()
279 hrtimer_add_expires_ns(&ps->timer, ps->period); in pit_timer_fn()
339 ps->period = interval; in create_pit_timer()
352 if (ps->period < min_period) { in create_pit_timer()
356 ps->period, min_period); in create_pit_timer()
357 ps->period = min_period; in create_pit_timer()
Di8254.h30 s64 period; /* unit: ns */ member
Dlapic.c1539 apic->lapic_timer.period == 0) in apic_get_tmcct()
1547 ns = mod_64(ktime_to_ns(remaining), apic->lapic_timer.period); in apic_get_tmcct()
1729 if (apic_lvtt_period(apic) && apic->lapic_timer.period) { in limit_periodic_timer_frequency()
1732 if (apic->lapic_timer.period < min_period) { in limit_periodic_timer_frequency()
1737 apic->lapic_timer.period, min_period); in limit_periodic_timer_frequency()
1738 apic->lapic_timer.period = min_period; in limit_periodic_timer_frequency()
1765 apic->lapic_timer.period = 0; in apic_update_lvtt()
1974 apic->lapic_timer.period = in update_target_expiration()
2000 apic->lapic_timer.period = in set_target_expiration()
2003 if (!apic->lapic_timer.period) { in set_target_expiration()
[all …]
/arch/alpha/kernel/
Dperf_event.c256 long period = hwc->sample_period; in alpha_perf_event_set_period() local
259 if (unlikely(left <= -period)) { in alpha_perf_event_set_period()
260 left = period; in alpha_perf_event_set_period()
262 hwc->last_period = period; in alpha_perf_event_set_period()
267 left += period; in alpha_perf_event_set_period()
269 hwc->last_period = period; in alpha_perf_event_set_period()
/arch/arm64/boot/dts/nvidia/
Dtegra194-p3668.dtsi127 maxim,shutdown-fps-time-period-us = <640>;
132 maxim,shutdown-fps-time-period-us = <640>;
138 maxim,shutdown-fps-time-period-us = <640>;
Dtegra194-p2888.dtsi153 maxim,shutdown-fps-time-period-us = <640>;
158 maxim,shutdown-fps-time-period-us = <640>;
164 maxim,shutdown-fps-time-period-us = <640>;
Dtegra186-p3310.dtsi216 maxim,shutdown-fps-time-period-us = <640>;
221 maxim,shutdown-fps-time-period-us = <640>;
226 maxim,shutdown-fps-time-period-us = <640>;
Dtegra210-p2180.dtsi75 maxim,suspend-fps-time-period-us = <1280>;
80 maxim,suspend-fps-time-period-us = <1280>;
/arch/arc/kernel/
Dperf_event.c409 s64 period = hwc->sample_period; in arc_pmu_event_set_period() local
414 if (unlikely(left <= -period)) { in arc_pmu_event_set_period()
416 left = period; in arc_pmu_event_set_period()
418 hwc->last_period = period; in arc_pmu_event_set_period()
422 left += period; in arc_pmu_event_set_period()
424 hwc->last_period = period; in arc_pmu_event_set_period()
/arch/powerpc/perf/
Dcore-fsl-emb.c592 u64 period = event->hw.sample_period; in record_and_restart() local
612 if (period) { in record_and_restart()
614 left += period; in record_and_restart()
616 left = period; in record_and_restart()
/arch/mips/kernel/
Dperf_event_mipsxx.c414 u64 period = hwc->sample_period; in mipspmu_event_set_period() local
417 if (unlikely((left + period) & (1ULL << 63))) { in mipspmu_event_set_period()
419 left = period; in mipspmu_event_set_period()
421 hwc->last_period = period; in mipspmu_event_set_period()
423 } else if (unlikely((left + period) <= period)) { in mipspmu_event_set_period()
425 left += period; in mipspmu_event_set_period()
427 hwc->last_period = period; in mipspmu_event_set_period()
790 data->period = event->hw.last_period; in handle_associated_event()
/arch/x86/include/asm/
Dintel_telemetry.h34 u8 period; member
/arch/csky/kernel/
Dperf_event.c882 s64 period = hwc->sample_period; in csky_pmu_event_set_period() local
885 if (unlikely(left <= -period)) { in csky_pmu_event_set_period()
886 left = period; in csky_pmu_event_set_period()
888 hwc->last_period = period; in csky_pmu_event_set_period()
893 left += period; in csky_pmu_event_set_period()
895 hwc->last_period = period; in csky_pmu_event_set_period()
/arch/sparc/kernel/
Dperf_event.c891 s64 period = hwc->sample_period; in sparc_perf_event_set_period() local
895 if (unlikely(period != hwc->last_period)) in sparc_perf_event_set_period()
896 left = period - (hwc->last_period - left); in sparc_perf_event_set_period()
898 if (unlikely(left <= -period)) { in sparc_perf_event_set_period()
899 left = period; in sparc_perf_event_set_period()
901 hwc->last_period = period; in sparc_perf_event_set_period()
906 left += period; in sparc_perf_event_set_period()
908 hwc->last_period = period; in sparc_perf_event_set_period()
/arch/arm64/kvm/
Dpmu-emul.c488 u64 period; in kvm_pmu_perf_overflow() local
496 period = compute_period(pmc, local64_read(&perf_event->count)); in kvm_pmu_perf_overflow()
499 perf_event->attr.sample_period = period; in kvm_pmu_perf_overflow()
500 perf_event->hw.sample_period = period; in kvm_pmu_perf_overflow()

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