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/Linux-v4.19/drivers/memory/
Djz4780-nemc.c158 uint32_t smcr, val, cycles; in jz4780_nemc_configure_bank() local
204 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
205 if (cycles > 15) { in jz4780_nemc_configure_bank()
207 val, cycles); in jz4780_nemc_configure_bank()
211 smcr |= cycles << NEMC_SMCR_TAS_SHIFT; in jz4780_nemc_configure_bank()
216 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
217 if (cycles > 15) { in jz4780_nemc_configure_bank()
219 val, cycles); in jz4780_nemc_configure_bank()
223 smcr |= cycles << NEMC_SMCR_TAH_SHIFT; in jz4780_nemc_configure_bank()
228 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
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/Linux-v4.19/sound/firewire/
Damdtp-stream-trace.h17 …TP_PROTO(const struct amdtp_stream *s, u32 cycles, u32 *cip_header, unsigned int payload_length, u…
18 TP_ARGS(s, cycles, cip_header, payload_length, index),
33 __entry->second = cycles / CYCLES_PER_SECOND;
34 __entry->cycle = cycles % CYCLES_PER_SECOND;
61 …TP_PROTO(const struct amdtp_stream *s, u32 cycles, __be32 *cip_header, unsigned int payload_length…
62 TP_ARGS(s, cycles, cip_header, payload_length, index),
77 __entry->second = cycles / CYCLES_PER_SECOND;
78 __entry->cycle = cycles % CYCLES_PER_SECOND;
105 …TP_PROTO(const struct amdtp_stream *s, u32 cycles, unsigned int payload_quadlets, unsigned int dat…
106 TP_ARGS(s, cycles, payload_quadlets, data_blocks, index),
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/Linux-v4.19/Documentation/devicetree/bindings/bus/
Dqcom,ebi2.txt34 FIXME: the manual mentions "write precharge cycles" and "precharge cycles".
77 - qcom,xmem-recovery-cycles: recovery cycles is the time the memory continues to
82 - qcom,xmem-write-hold-cycles: write hold cycles, these are extra cycles
86 - qcom,xmem-write-delta-cycles: initial latency for write cycles inserted for
88 - qcom,xmem-read-delta-cycles: initial latency for read cycles inserted for the
90 - qcom,xmem-write-wait-cycles: number of wait cycles for every write access, 0=1
92 - qcom,xmem-read-wait-cycles: number of wait cycles for every read access, 0=1
99 - qcom,xmem-adv-to-oe-recovery-cycles: the number of cycles elapsed before an OE
101 2 means 2 cycles between ADV and OE. Valid values 0, 1, 2 or 3.
102 - qcom,xmem-read-hold-cycles: the length in cycles of the first segment of a
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/Linux-v4.19/Documentation/devicetree/bindings/mtd/
Dfsmc-nand.txt15 byte 0 TCLR : CLE to RE delay in number of AHB clock cycles, only 4 bits
17 cycles.
19 byte 2 THIZ : number of HCLK clock cycles during which the data bus is
21 Only valid for write transactions. Zero means zero cycles,
22 255 means 255 cycles.
23 byte 3 THOLD : number of HCLK clock cycles to hold the address (and data
25 one cycle, 255 means 256 cycles.
26 byte 4 TWAIT : number of HCLK clock cycles to assert the command to the
28 255 means 256 cycles.
29 byte 5 TSET : number of HCLK clock cycles to assert the address before the
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/Linux-v4.19/drivers/net/ethernet/mellanox/mlx4/
Den_clock.c44 container_of(tc, struct mlx4_en_dev, cycles); in mlx4_en_read_clock()
141 mdev->cycles.mult = neg_adj ? mult - diff : mult + diff; in mlx4_en_phc_adjfreq()
210 timecounter_init(&mdev->clock, &mdev->cycles, ns); in mlx4_en_phc_settime()
277 memset(&mdev->cycles, 0, sizeof(mdev->cycles)); in mlx4_en_init_timestamp()
278 mdev->cycles.read = mlx4_en_read_clock; in mlx4_en_init_timestamp()
279 mdev->cycles.mask = CLOCKSOURCE_MASK(48); in mlx4_en_init_timestamp()
280 mdev->cycles.shift = freq_to_shift(dev->caps.hca_core_clock); in mlx4_en_init_timestamp()
281 mdev->cycles.mult = in mlx4_en_init_timestamp()
282 clocksource_khz2mult(1000 * dev->caps.hca_core_clock, mdev->cycles.shift); in mlx4_en_init_timestamp()
283 mdev->nominal_c_mult = mdev->cycles.mult; in mlx4_en_init_timestamp()
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/Linux-v4.19/drivers/net/wireless/ath/
Dhw.c144 u32 cycles, busy, rx, tx; in ath_hw_cycle_counters_update() local
151 cycles = REG_READ(ah, AR_CCCNT); in ath_hw_cycle_counters_update()
166 common->cc_ani.cycles += cycles; in ath_hw_cycle_counters_update()
171 common->cc_survey.cycles += cycles; in ath_hw_cycle_counters_update()
183 listen_time = (cc->cycles - cc->rx_frame - cc->tx_frame) / in ath_hw_get_listen_time()
/Linux-v4.19/drivers/pwm/
Dpwm-berlin.c97 u64 cycles; in berlin_pwm_config() local
99 cycles = clk_get_rate(pwm->clk); in berlin_pwm_config()
100 cycles *= period_ns; in berlin_pwm_config()
101 do_div(cycles, NSEC_PER_SEC); in berlin_pwm_config()
103 if (cycles > BERLIN_PWM_MAX_TCNT) { in berlin_pwm_config()
105 cycles >>= 12; // Prescaled by 4096 in berlin_pwm_config()
107 if (cycles > BERLIN_PWM_MAX_TCNT) in berlin_pwm_config()
111 period = cycles; in berlin_pwm_config()
112 cycles *= duty_ns; in berlin_pwm_config()
113 do_div(cycles, period_ns); in berlin_pwm_config()
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Dpwm-atmel.c118 unsigned long long cycles = state->period; in atmel_pwm_calculate_cprd_and_pres() local
121 cycles *= clk_get_rate(atmel_pwm->clk); in atmel_pwm_calculate_cprd_and_pres()
122 do_div(cycles, NSEC_PER_SEC); in atmel_pwm_calculate_cprd_and_pres()
124 for (*pres = 0; cycles > PWM_MAX_PRD; cycles >>= 1) in atmel_pwm_calculate_cprd_and_pres()
132 *cprd = cycles; in atmel_pwm_calculate_cprd_and_pres()
140 unsigned long long cycles = state->duty_cycle; in atmel_pwm_calculate_cdty() local
142 cycles *= cprd; in atmel_pwm_calculate_cdty()
143 do_div(cycles, state->period); in atmel_pwm_calculate_cdty()
144 *cdty = cprd - cycles; in atmel_pwm_calculate_cdty()
/Linux-v4.19/drivers/net/ethernet/mellanox/mlx5/core/lib/
Dclock.c70 struct mlx5_clock *clock = container_of(cc, struct mlx5_clock, cycles); in read_internal_timer()
90 clock_info->cycles = clock->tc.cycle_last; in mlx5_update_clock_info_page()
91 clock_info->mult = clock->cycles.mult; in mlx5_update_clock_info_page()
151 timecounter_init(&clock->tc, &clock->cycles, ns); in mlx5_ptp_settime()
208 clock->cycles.mult = neg_adj ? clock->nominal_c_mult - diff : in mlx5_ptp_adjfreq()
313 cycles_delta = div64_u64(nsec_delta << clock->cycles.shift, in mlx5_perout_configure()
314 clock->cycles.mult); in mlx5_perout_configure()
477 cycles_delta = div64_u64(nsec_delta << clock->cycles.shift, in mlx5_pps_event()
478 clock->cycles.mult); in mlx5_pps_event()
502 clock->cycles.read = read_internal_timer; in mlx5_init_clock()
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/Linux-v4.19/arch/xtensa/include/asm/
Ddelay.h40 unsigned long cycles = (usecs * (ccount_freq >> 15)) >> 5; in __udelay() local
43 while (((unsigned long)get_ccount()) - start < cycles) in __udelay()
61 unsigned long cycles = (nsec * (ccount_freq >> 15)) >> 15; in __ndelay() local
62 __delay(cycles); in __ndelay()
/Linux-v4.19/arch/arm/plat-omap/
Dcounter_32k.c54 static cycles_t cycles; variable
62 last_cycles = cycles; in omap_read_persistent_clock64()
63 cycles = sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; in omap_read_persistent_clock64()
65 nsecs = clocksource_cyc2ns(cycles - last_cycles, in omap_read_persistent_clock64()
/Linux-v4.19/tools/virtio/ringtest/
Dmain.h20 static inline void wait_cycles(unsigned long long cycles) in wait_cycles() argument
25 while (__rdtsc() - t < cycles) {} in wait_cycles()
32 static inline void wait_cycles(unsigned long long cycles) in wait_cycles() argument
34 asm volatile("0: brctg %0,0b" : : "d" (cycles)); in wait_cycles()
42 static inline void wait_cycles(unsigned long long cycles) in wait_cycles() argument
/Linux-v4.19/arch/h8300/lib/
Ddelay.c14 void __delay(unsigned long cycles) in __delay() argument
17 "bne 1b":"=r"(cycles):"0"(cycles)); in __delay()
/Linux-v4.19/Documentation/m68k/
DREADME.buddha142 497ns Select (7 clock cycles) , IOR/IOW after 172ns (2 clock cycles)
148 639ns Select (9 clock cycles), IOR/IOW after 243ns (3 clock cycles)
152 781ns Select (11 clock cycles), IOR/IOW after 314ns (4 clock cycles)
156 355ns Select (5 clock cycles), IOR/IOW after 101ns (1 clock cycle)
160 355ns Select (5 clock cycles), IOR/IOW after 172ns (2 clock cycles)
164 355ns Select (5 clock cycles), IOR/IOW after 243ns (3 clock cycles)
168 1065ns Select (15 clock cycles), IOR/IOW after 314ns (4 clock cycles)
172 355ns Select, (5 clock cycles), IOR/IOW after 101ns (1 clock cycle)
178 781ns select, IOR/IOW after 4 clock cycles (=314ns) aktive.
182 system: Sometimes two more clock cycles are inserted by the
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/Linux-v4.19/lib/
Dfind_bit_benchmark.c111 cycles_t cycles; in test_find_next_and_bit() local
113 cycles = get_cycles(); in test_find_next_and_bit()
116 cycles = get_cycles() - cycles; in test_find_next_and_bit()
118 (u64)cycles, cnt); in test_find_next_and_bit()
/Linux-v4.19/tools/power/cpupower/bench/
Dbenchmark.c126 " for %lius\n", _round + 1, config->cycles, in start_benchmark()
138 for (cycle = 0; cycle < config->cycles; cycle++) { in start_benchmark()
152 performance_time / config->cycles); in start_benchmark()
164 for (cycle = 0; cycle < config->cycles; cycle++) { in start_benchmark()
182 powersave_time / config->cycles); in start_benchmark()
DREADME-BENCH35 will be run X time in a row (cycles):
39 cycles=20
50 25ms load/sleep time repeated 20 times (cycles).
51 50ms load/sleep time repeated 20 times (cycles).
53 100ms load/sleep time repeated 20 times (cycles).
83 But if ondemand always kicks in in the middle of the load sleep cycles, it
116 -n, --cycles=<int> load/sleep cycles to get an average value to compare
/Linux-v4.19/arch/arm64/lib/
Ddelay.c37 void __delay(unsigned long cycles) in __delay() argument
45 while ((get_cycles() - start + timer_evt_period) < cycles) in __delay()
49 while ((get_cycles() - start) < cycles) in __delay()
/Linux-v4.19/tools/perf/util/
Dparse-events.l304 cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
305 stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT…
306 stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_H…
312 bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); }
313 ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); }
332 cycles-ct { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
333 cycles-t { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
/Linux-v4.19/arch/m68k/coldfire/
Dsltimers.c104 u32 cycles, scnt; in mcfslt_read_clk() local
108 cycles = mcfslt_cnt; in mcfslt_read_clk()
110 cycles += mcfslt_cycles_per_jiffy; in mcfslt_read_clk()
116 return cycles + ((mcfslt_cycles_per_jiffy - 1) - scnt); in mcfslt_read_clk()
/Linux-v4.19/kernel/locking/
Dtest-ww_mutex.c290 struct test_cycle *cycles; in __test_cycle() local
294 cycles = kmalloc_array(nthreads, sizeof(*cycles), GFP_KERNEL); in __test_cycle()
295 if (!cycles) in __test_cycle()
299 struct test_cycle *cycle = &cycles[n]; in __test_cycle()
303 cycle->b_mutex = &cycles[0].a_mutex; in __test_cycle()
305 cycle->b_mutex = &cycles[n + 1].a_mutex; in __test_cycle()
308 cycle->a_signal = &cycles[last].b_signal; in __test_cycle()
310 cycle->a_signal = &cycles[n - 1].b_signal; in __test_cycle()
318 queue_work(wq, &cycles[n].work); in __test_cycle()
324 struct test_cycle *cycle = &cycles[n]; in __test_cycle()
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/Linux-v4.19/drivers/clocksource/
Dtimer-prima2.c77 u64 cycles; in sirfsoc_timer_read() local
82 cycles = readl_relaxed(sirfsoc_timer_base + SIRFSOC_TIMER_LATCHED_HI); in sirfsoc_timer_read()
83 cycles = (cycles << 32) | in sirfsoc_timer_read()
86 return cycles; in sirfsoc_timer_read()
/Linux-v4.19/arch/arm/mach-omap2/
Dvc.c433 u32 cycles; in omap4_calc_volt_ramp() local
438 cycles = voltdm->sys_clk.rate / 1000 * time / 1000; in omap4_calc_volt_ramp()
440 cycles /= 64; in omap4_calc_volt_ramp()
446 if (cycles > 63) { in omap4_calc_volt_ramp()
447 cycles /= 4; in omap4_calc_volt_ramp()
452 if (cycles > 63) { in omap4_calc_volt_ramp()
453 cycles /= 2; in omap4_calc_volt_ramp()
458 if (cycles > 63) { in omap4_calc_volt_ramp()
459 cycles /= 4; in omap4_calc_volt_ramp()
464 if (cycles > 63) { in omap4_calc_volt_ramp()
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/Linux-v4.19/Documentation/misc-devices/
Disl2900346 0: 2^16 cycles (default)
47 1: 2^12 cycles
48 2: 2^8 cycles
49 3: 2^4 cycles
/Linux-v4.19/tools/perf/tests/attr/
DREADME50 perf record --group -e cycles,instructions kill (test-record-group)
51 perf record -e '{cycles,instructions}' kill (test-record-group1)
57 perf stat -e cycles kill (test-stat-basic)
62 perf stat --group -e cycles,instructions kill (test-stat-group)
63 perf stat -e '{cycles,instructions}' kill (test-stat-group1)
64 perf stat -i -e cycles kill (test-stat-no-inherit)

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