| /Linux-v5.15/arch/x86/lib/ |
| D | delay.c | 37 static void (*delay_halt_fn)(u64 start, u64 cycles) __ro_after_init;
63 static void delay_tsc(u64 cycles) in delay_tsc() argument
73 if ((now - bclock) >= cycles) in delay_tsc()
91 cycles -= (now - bclock); in delay_tsc()
105 static void delay_halt_tpause(u64 start, u64 cycles) in delay_halt_tpause() argument
107 u64 until = start + cycles; in delay_halt_tpause()
125 static void delay_halt_mwaitx(u64 unused, u64 cycles) in delay_halt_mwaitx() argument
129 delay = min_t(u64, MWAITX_MAX_WAIT_CYCLES, cycles); in delay_halt_mwaitx()
151 u64 start, end, cycles = __cycles; in delay_halt() local
157 if (!cycles) in delay_halt()
[all …]
|
| /Linux-v5.15/drivers/memory/ |
| D | jz4780-nemc.c | 163 uint32_t smcr, val, cycles; in jz4780_nemc_configure_bank() local
209 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
210 if (cycles > nemc->soc_info->tas_tah_cycles_max) { in jz4780_nemc_configure_bank()
212 val, cycles); in jz4780_nemc_configure_bank()
216 smcr |= cycles << NEMC_SMCR_TAS_SHIFT; in jz4780_nemc_configure_bank()
221 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
222 if (cycles > nemc->soc_info->tas_tah_cycles_max) { in jz4780_nemc_configure_bank()
224 val, cycles); in jz4780_nemc_configure_bank()
228 smcr |= cycles << NEMC_SMCR_TAH_SHIFT; in jz4780_nemc_configure_bank()
233 cycles = jz4780_nemc_ns_to_cycles(nemc, val); in jz4780_nemc_configure_bank()
[all …]
|
| /Linux-v5.15/drivers/gpu/drm/i915/gt/ |
| D | selftest_gt_pm.c | 42 u32 cycles[5]; in measure_clocks() local
47 cycles[i] = -ENGINE_READ_FW(engine, RING_TIMESTAMP); in measure_clocks()
53 cycles[i] += ENGINE_READ_FW(engine, RING_TIMESTAMP); in measure_clocks()
58 sort(cycles, 5, sizeof(*cycles), cmp_u32, NULL); in measure_clocks()
59 *out_cycles = (cycles[1] + 2 * cycles[2] + cycles[3]) / 4; in measure_clocks()
103 u32 cycles; in live_gt_clocks() local
111 measure_clocks(engine, &cycles, &dt); in live_gt_clocks()
113 time = intel_gt_clock_interval_to_ns(engine->gt, cycles); in live_gt_clocks()
117 engine->name, cycles, time, dt, expected, in live_gt_clocks()
127 if (9 * expected < 8 * cycles || 8 * expected > 9 * cycles) { in live_gt_clocks()
|
| /Linux-v5.15/Documentation/devicetree/bindings/bus/ |
| D | qcom,ebi2.txt | 34 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
[all …]
|
| /Linux-v5.15/tools/perf/Documentation/ |
| D | intel-hybrid.txt | 51 For example, count the 'cycles' event on core cpus.
53 perf stat -e cpu_core/cycles/
63 For hardware events, they have pre-defined configs (e.g. 0 for cycles).
91 perf stat -e cycles -a (use system-wide in this example), two events
122 The kernel creates 'cycles' (0x400000000) on cpu0-cpu15 (core cpus),
123 and create 'cycles' (0x800000000) on cpu16-cpu23 (atom cpus).
129 6,744,979 cpu_core/cycles/
130 1,965,552 cpu_atom/cycles/
132 The first 'cycles' is core event, the second 'cycles' is atom event.
141 scaled value for core cycles is 160,444,092 and the percentage is 0.47%.
[all …]
|
| D | perf-daemon.txt | 32 …916507 916508 ... \_ perf record --control=fifo:control,ack -m 10M -e cycles --overwrite --switc…
120 [session-cycles]
121 run = -m 10M -e cycles --overwrite --switch-output -a
136 [603350:cycles] perf record -m 10M -e cycles --overwrite --switch-output -a
149 [603350:cycles] perf record -m 10M -e cycles --overwrite --switch-output -a
150 base: /opt/perfdata/session-cycles
151 output: /opt/perfdata/session-cycles/output
152 control: /opt/perfdata/session-cycles/control
153 ack: /opt/perfdata/session-cycles/ack
173 OK cycles
[all …]
|
| D | perf.data-directory-format.txt | 51 Samples for 'cycles' event do not have CPU attribute set. Skipping 'cpu' field.
55 … perf 15316 2060795.480902: 1 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
56 … perf 15316 2060795.480906: 1 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
57 … perf 15316 2060795.480908: 7 cycles: ffffffffa2caa548 native_write_msr+0x8 (vmlinux)
58 … perf 15316 2060795.480910: 119 cycles: ffffffffa2caa54a native_write_msr+0xa (vmlinux)
59 …perf 15316 2060795.480912: 2109 cycles: ffffffffa2c9b7b0 native_apic_msr_write+0x0 (vmlinux)
60 …perf 15316 2060795.480914: 37606 cycles: ffffffffa2f121fe perf_event_addr_filters_exec+0x2e …
61 …uname 15316 2060795.480924: 588287 cycles: ffffffffa303a56d page_counter_try_charge+0x6d (vml…
62 … uname 15316 2060795.481067: 2261945 cycles: ffffffffa301438f kmem_cache_free+0x4f (vmlinux)
63 …uname 15316 2060795.481643: 2172167 cycles: 7f1a48c393c0 _IO_un_link+0x0 (/lib/x86_64-linu…
|
| /Linux-v5.15/Documentation/devicetree/bindings/mtd/ |
| D | fsmc-nand.txt | 15 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
[all …]
|
| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx4/ |
| D | en_clock.c | 44 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()
[all …]
|
| /Linux-v5.15/arch/arm64/kvm/ |
| D | hypercalls.c | 15 u64 cycles = ~0UL; in kvm_ptp_get_time() local
40 cycles = systime_snapshot.cycles - vcpu_read_sys_reg(vcpu, CNTVOFF_EL2); in kvm_ptp_get_time()
43 cycles = systime_snapshot.cycles; in kvm_ptp_get_time()
57 val[2] = upper_32_bits(cycles); in kvm_ptp_get_time()
58 val[3] = lower_32_bits(cycles); in kvm_ptp_get_time()
|
| /Linux-v5.15/drivers/net/wireless/ath/ |
| D | hw.c | 144 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-v5.15/drivers/pwm/ |
| D | pwm-berlin.c | 96 u64 cycles; in berlin_pwm_config() local
98 cycles = clk_get_rate(bpc->clk); in berlin_pwm_config()
99 cycles *= period_ns; in berlin_pwm_config()
100 do_div(cycles, NSEC_PER_SEC); in berlin_pwm_config()
102 if (cycles > BERLIN_PWM_MAX_TCNT) { in berlin_pwm_config()
104 cycles >>= 12; // Prescaled by 4096 in berlin_pwm_config()
106 if (cycles > BERLIN_PWM_MAX_TCNT) in berlin_pwm_config()
110 period = cycles; in berlin_pwm_config()
111 cycles *= duty_ns; in berlin_pwm_config()
112 do_div(cycles, period_ns); in berlin_pwm_config()
[all …]
|
| D | pwm-atmel.c | 200 unsigned long long cycles = state->period; in atmel_pwm_calculate_cprd_and_pres() local
204 cycles *= clkrate; in atmel_pwm_calculate_cprd_and_pres()
205 do_div(cycles, NSEC_PER_SEC); in atmel_pwm_calculate_cprd_and_pres()
212 shift = fls(cycles) - atmel_pwm->data->cfg.period_bits; in atmel_pwm_calculate_cprd_and_pres()
219 cycles >>= *pres; in atmel_pwm_calculate_cprd_and_pres()
224 *cprd = cycles; in atmel_pwm_calculate_cprd_and_pres()
233 unsigned long long cycles = state->duty_cycle; in atmel_pwm_calculate_cdty() local
235 cycles *= clkrate; in atmel_pwm_calculate_cdty()
236 do_div(cycles, NSEC_PER_SEC); in atmel_pwm_calculate_cdty()
237 cycles >>= pres; in atmel_pwm_calculate_cdty()
[all …]
|
| /Linux-v5.15/arch/xtensa/include/asm/ |
| D | delay.h | 40 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-v5.15/arch/arm/plat-omap/ |
| D | counter_32k.c | 51 static cycles_t cycles; variable
59 last_cycles = cycles; in omap_read_persistent_clock64()
60 cycles = sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; in omap_read_persistent_clock64()
62 nsecs = clocksource_cyc2ns(cycles - last_cycles, in omap_read_persistent_clock64()
|
| /Linux-v5.15/tools/virtio/ringtest/ |
| D | main.h | 20 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-v5.15/tools/perf/tests/shell/ |
| D | stat+shadow_stat.sh | 11 perf stat -a -e cycles sleep 1 2>&1 | grep -e cpu_core && exit 2
15 perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \
16 grep -e cycles -e instructions | \
46 perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \
|
| /Linux-v5.15/drivers/net/ethernet/mellanox/mlxsw/ |
| D | spectrum_ptp.c | 64 struct cyclecounter cycles; member
98 container_of(cc, struct mlxsw_sp_ptp_clock, cycles); in mlxsw_sp1_ptp_read_frc()
116 u64 cycles = (u64) nsec; in mlxsw_sp1_ptp_ns2cycles() local
118 cycles <<= tc->cc->shift; in mlxsw_sp1_ptp_ns2cycles()
119 cycles = div_u64(cycles, tc->cc->mult); in mlxsw_sp1_ptp_ns2cycles()
121 return cycles; in mlxsw_sp1_ptp_ns2cycles()
128 u64 next_sec, next_sec_in_nsec, cycles; in mlxsw_sp1_ptp_phc_settime() local
137 cycles = mlxsw_sp1_ptp_ns2cycles(&clock->tc, next_sec_in_nsec); in mlxsw_sp1_ptp_phc_settime()
140 mlxsw_reg_mtpps_vpin_pack(mtpps_pl, cycles); in mlxsw_sp1_ptp_phc_settime()
173 clock->cycles.mult = neg_adj ? clock->nominal_c_mult - diff : in mlxsw_sp1_ptp_adjfine()
[all …]
|
| /Linux-v5.15/tools/perf/util/ |
| D | block-info.c | 106 bi->cycles = ch->cycles; in init_block_info()
122 u64 cycles = 0; in block_info__process_sym() local
146 cycles += bi->cycles_aggr / bi->num_aggr; in block_info__process_sym()
158 *block_cycles_aggr += cycles; in block_info__process_sym()
229 static void cycles_string(u64 cycles, char *buf, int size) in cycles_string() argument
231 if (cycles >= 1000000) in cycles_string()
232 scnprintf(buf, size, "%.1fM", (double)cycles / 1000000.0); in cycles_string()
233 else if (cycles >= 1000) in cycles_string()
234 scnprintf(buf, size, "%.1fK", (double)cycles / 1000.0); in cycles_string()
236 scnprintf(buf, size, "%1d", cycles); in cycles_string()
[all …]
|
| /Linux-v5.15/lib/vdso/ |
| D | gettimeofday.c | 14 u64 vdso_calc_delta(u64 cycles, u64 last, u64 mask, u32 mult) in vdso_calc_delta() argument
16 return ((cycles - last) & mask) * mult; in vdso_calc_delta()
42 static inline bool vdso_cycles_ok(u64 cycles) in vdso_cycles_ok() argument
55 u64 cycles, last, ns; in do_hres_timens() local
73 cycles = __arch_get_hw_counter(vd->clock_mode, vd); in do_hres_timens()
74 if (unlikely(!vdso_cycles_ok(cycles))) in do_hres_timens()
78 ns += vdso_calc_delta(cycles, last, vd->mask, vd->mult); in do_hres_timens()
114 u64 cycles, last, sec, ns; in do_hres() local
144 cycles = __arch_get_hw_counter(vd->clock_mode, vd); in do_hres()
145 if (unlikely(!vdso_cycles_ok(cycles))) in do_hres()
[all …]
|
| /Linux-v5.15/Documentation/m68k/ |
| D | buddha-driver.rst | 147 497ns Select (7 clock cycles) , IOR/IOW after 172ns (2 clock cycles)
152 639ns Select (9 clock cycles), IOR/IOW after 243ns (3 clock cycles)
155 781ns Select (11 clock cycles), IOR/IOW after 314ns (4 clock cycles)
158 355ns Select (5 clock cycles), IOR/IOW after 101ns (1 clock cycle)
161 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)
167 1065ns Select (15 clock cycles), IOR/IOW after 314ns (4 clock cycles)
170 355ns Select, (5 clock cycles), IOR/IOW after 101ns (1 clock cycle)
176 781ns select, IOR/IOW after 4 clock cycles (=314ns) aktive.
180 system: Sometimes two more clock cycles are inserted by the
[all …]
|
| /Linux-v5.15/tools/perf/tests/attr/ |
| D | README | 50 perf record --group -e cycles,instructions kill (test-record-group)
51 perf record -e '{cycles,instructions}' kill (test-record-group1)
52 perf record -e '{cycles/period=1/,instructions/period=2/}:S' kill (test-record-group2)
57 perf record -c 1 --pfm-events=cycles:period=2 (test-record-pfm-period)
59 perf stat -e cycles kill (test-stat-basic)
64 perf stat --group -e cycles,instructions kill (test-stat-group)
65 perf stat -e '{cycles,instructions}' kill (test-stat-group1)
66 perf stat -i -e cycles kill (test-stat-no-inherit)
|
| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/lib/ |
| D | clock.c | 119 struct mlx5_timer *timer = container_of(cc, struct mlx5_timer, cycles); in read_internal_timer()
142 clock_info->cycles = timer->tc.cycle_last; in mlx5_update_clock_info_page()
143 clock_info->mult = timer->cycles.mult; in mlx5_update_clock_info_page()
232 timecounter_init(&timer->tc, &timer->cycles, timespec64_to_ns(ts)); in mlx5_ptp_settime()
258 u64 cycles, ns; in mlx5_ptp_gettimex() local
267 cycles = mlx5_read_time(mdev, sts, false); in mlx5_ptp_gettimex()
268 ns = timecounter_cyc2time(&timer->tc, cycles); in mlx5_ptp_gettimex()
360 timer->cycles.mult = neg_adj ? timer->nominal_c_mult - diff : in mlx5_ptp_adjfreq()
444 cycles_delta = div64_u64(nsec_delta << timer->cycles.shift, in find_target_cycles()
445 timer->cycles.mult); in find_target_cycles()
[all …]
|
| /Linux-v5.15/arch/h8300/lib/ |
| D | delay.c | 14 void __delay(unsigned long cycles) in __delay() argument
17 "bne 1b":"=r"(cycles):"0"(cycles)); in __delay()
|
| /Linux-v5.15/arch/x86/include/asm/vdso/ |
| D | gettimeofday.h | 288 static inline bool arch_vdso_cycles_ok(u64 cycles) in arch_vdso_cycles_ok() argument
290 return (s64)cycles >= 0; in arch_vdso_cycles_ok()
313 u64 vdso_calc_delta(u64 cycles, u64 last, u64 mask, u32 mult) in vdso_calc_delta() argument
315 if (cycles > last) in vdso_calc_delta()
316 return (cycles - last) * mult; in vdso_calc_delta()
|
