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/Linux-v6.1/kernel/time/
Dtimeconst.bc43 define timeconst(hz) {
45 print "/* Time conversion constants for HZ == ", hz, " */\n"
54 print "#if HZ != ", hz, "\n"
55 print "#error \qinclude/generated/timeconst.h has the wrong HZ value!\q\n"
58 if (hz < 2) {
59 print "#error Totally bogus HZ value!\n"
61 s=fmuls(32,1000,hz)
63 print "#define HZ_TO_MSEC_MUL32\tU64_C(0x", fmul(s,1000,hz), ")\n"
64 print "#define HZ_TO_MSEC_ADJ32\tU64_C(0x", fadj(s,1000,hz), ")\n"
68 s=fmuls(32,hz,1000)
[all …]
Dclocksource-wdtest.c98 schedule_timeout_uninterruptible(HZ / 10); in wdtest_ktime_clocksource_reset()
99 clocksource_register_khz(&clocksource_wdtest_ktime, 1000 * 1000); in wdtest_ktime_clocksource_reset()
110 schedule_timeout_uninterruptible(holdoff * HZ); in wdtest_func()
121 schedule_timeout_uninterruptible(HZ); in wdtest_func()
132 clocksource_register_khz(&clocksource_wdtest_ktime, 1000 * 1000); in wdtest_func()
151 schedule_timeout_uninterruptible(2 * HZ); in wdtest_func()
161 schedule_timeout_uninterruptible(2 * HZ); in wdtest_func()
/Linux-v6.1/arch/arm/boot/dts/
Dtegra30-peripherals-opp.dtsi59 opp-hz = /bits/ 64 <12750000>;
64 opp-12750000-1000 {
66 opp-hz = /bits/ 64 <12750000>;
73 opp-hz = /bits/ 64 <12750000>;
80 opp-hz = /bits/ 64 <25500000>;
85 opp-25500000-1000 {
87 opp-hz = /bits/ 64 <25500000>;
94 opp-hz = /bits/ 64 <25500000>;
101 opp-hz = /bits/ 64 <27000000>;
106 opp-27000000-1000 {
[all …]
Dtegra20-peripherals-opp.dtsi49 opp-hz = /bits/ 64 <36000000>;
56 opp-hz = /bits/ 64 <47500000>;
63 opp-hz = /bits/ 64 <50000000>;
70 opp-hz = /bits/ 64 <54000000>;
77 opp-hz = /bits/ 64 <57000000>;
84 opp-hz = /bits/ 64 <100000000>;
91 opp-hz = /bits/ 64 <108000000>;
98 opp-hz = /bits/ 64 <126666000>;
105 opp-hz = /bits/ 64 <150000000>;
112 opp-hz = /bits/ 64 <190000000>;
[all …]
Dtegra20-cpu-opp.dtsi11 opp-hz = /bits/ 64 <216000000>;
18 opp-hz = /bits/ 64 <216000000>;
25 opp-hz = /bits/ 64 <312000000>;
31 opp-hz = /bits/ 64 <312000000>;
37 opp-hz = /bits/ 64 <456000000>;
44 opp-hz = /bits/ 64 <456000000>;
50 opp-hz = /bits/ 64 <456000000>;
56 opp-hz = /bits/ 64 <608000000>;
62 opp-hz = /bits/ 64 <608000000>;
68 opp-hz = /bits/ 64 <608000000>;
[all …]
Dtegra124-peripherals-opp.dtsi9 opp-hz = /bits/ 64 <12750000>;
15 opp-hz = /bits/ 64 <12750000>;
21 opp-hz = /bits/ 64 <12750000>;
27 opp-hz = /bits/ 64 <12750000>;
33 opp-hz = /bits/ 64 <20400000>;
39 opp-hz = /bits/ 64 <20400000>;
45 opp-hz = /bits/ 64 <20400000>;
51 opp-hz = /bits/ 64 <20400000>;
57 opp-hz = /bits/ 64 <40800000>;
63 opp-hz = /bits/ 64 <40800000>;
[all …]
Dtegra30-cpu-opp.dtsi11 opp-hz = /bits/ 64 <51000000>;
17 opp-hz = /bits/ 64 <51000000>;
23 opp-hz = /bits/ 64 <51000000>;
29 opp-hz = /bits/ 64 <102000000>;
35 opp-hz = /bits/ 64 <102000000>;
41 opp-hz = /bits/ 64 <102000000>;
47 opp-hz = /bits/ 64 <204000000>;
54 opp-hz = /bits/ 64 <204000000>;
61 opp-hz = /bits/ 64 <204000000>;
68 opp-hz = /bits/ 64 <312000000>;
[all …]
/Linux-v6.1/kernel/
DKconfig.hz11 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
16 environment leading to NR_CPUS * HZ number of timer interrupts
21 bool "100 HZ"
23 100 Hz is a typical choice for servers, SMP and NUMA systems
28 bool "250 HZ"
30 250 Hz is a good compromise choice allowing server performance
33 or multimedia, selected 300Hz instead.
36 bool "300 HZ"
38 300 Hz is a good compromise choice allowing server performance
44 bool "1000 HZ"
[all …]
/Linux-v6.1/arch/arm/include/asm/
Ddelay.h11 #include <asm/param.h> /* HZ */
20 * jiffies_per_sec = HZ
23 * Therefore the constant part is HZ / 1000000 which is a small
32 * UDELAY_MULT = 2^31 * HZ / 1000000
33 * = (2^31 / 1000000) * HZ
34 * = 2147.483648 * HZ
35 * = 2147 * HZ + 483648 * HZ / 1000000
38 * delay_us * UDELAY_MULT assuming HZ <= 1000 and delay_us <= 2000.
41 #define UDELAY_MULT UL(2147 * HZ + 483648 * HZ / 1000000)
65 * of 2000us. Further limits: HZ<=1000
[all …]
/Linux-v6.1/arch/riscv/lib/
Ddelay.c24 * jiffies_per_sec = HZ
27 * Therefore the constant part is HZ / 1000000 which is a small
36 * UDELAY_MULT = 2^31 * HZ / 1000000
37 * = (2^31 / 1000000) * HZ
38 * = 2147.483648 * HZ
39 * = 2147 * HZ + 483648 * HZ / 1000000
42 * delay_us * UDELAY_MULT assuming HZ <= 1000 and delay_us <= 2000.
45 #define MAX_UDELAY_HZ 1000
46 #define UDELAY_MULT (2147UL * HZ + 483648UL * HZ / 1000000UL)
49 #if HZ > MAX_UDELAY_HZ
[all …]
/Linux-v6.1/include/linux/
Djiffies.h13 #include <asm/param.h> /* for HZ */
18 * model. The HZ variable establishes the timer interrupt frequency, 100 Hz
19 * for the SunOS kernel, 256 Hz for the Ultrix kernel and 1024 Hz for the
23 #if HZ >= 12 && HZ < 24
25 #elif HZ >= 24 && HZ < 48
27 #elif HZ >= 48 && HZ < 96
29 #elif HZ >= 96 && HZ < 192
31 #elif HZ >= 192 && HZ < 384
33 #elif HZ >= 384 && HZ < 768
35 #elif HZ >= 768 && HZ < 1536
[all …]
/Linux-v6.1/drivers/cpufreq/
Dimx6q-cpufreq.c67 freq_hz = new_freq * 1000; in imx6q_set_target()
68 old_freq = clk_get_rate(clks[ARM].clk) / 1000; in imx6q_set_target()
82 old_freq / 1000, volt_old / 1000, in imx6q_set_target()
83 new_freq / 1000, volt / 1000); in imx6q_set_target()
127 clk_set_rate(clks[ARM].clk, (old_freq >> 1) * 1000); in imx6q_set_target()
138 clk_set_rate(clks[PLL1_SYS].clk, new_freq * 1000); in imx6q_set_target()
145 clk_set_rate(clks[PLL1_SYS].clk, new_freq * 1000); in imx6q_set_target()
155 ret = clk_set_rate(clks[ARM].clk, new_freq * 1000); in imx6q_set_target()
243 * 2b'11: 1200000000Hz; in imx6q_opp_check_speed_grading()
244 * 2b'10: 996000000Hz; in imx6q_opp_check_speed_grading()
[all …]
Dsh-cpufreq.c39 return (clk_get_rate(&per_cpu(sh_cpuclk, cpu)) + 500) / 1000; in sh_cpufreq_get()
57 /* Convert target_freq from kHz to Hz */ in __sh_cpufreq_target()
58 freq = clk_round_rate(cpuclk, target->freq * 1000); in __sh_cpufreq_target()
60 if (freq < (policy->min * 1000) || freq > (policy->max * 1000)) in __sh_cpufreq_target()
63 dev_dbg(dev, "requested frequency %u Hz\n", target->freq * 1000); in __sh_cpufreq_target()
66 freqs.new = (freq + 500) / 1000; in __sh_cpufreq_target()
73 dev_dbg(dev, "set frequency %lu Hz\n", freq); in __sh_cpufreq_target()
100 policy->min = (clk_round_rate(cpuclk, 1) + 500) / 1000; in sh_cpufreq_verify()
101 policy->max = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; in sh_cpufreq_verify()
130 (clk_round_rate(cpuclk, 1) + 500) / 1000; in sh_cpufreq_cpu_init()
[all …]
/Linux-v6.1/drivers/video/fbdev/core/
Dfbmon.c333 tmp *= 1000; in get_chroma()
339 tmp *= 1000; in get_chroma()
345 tmp *= 1000; in get_chroma()
351 tmp *= 1000; in get_chroma()
357 tmp *= 1000; in get_chroma()
363 tmp *= 1000; in get_chroma()
369 tmp *= 1000; in get_chroma()
375 tmp *= 1000; in get_chroma()
418 DPRINTK(" 720x400@70Hz\n"); in get_est_timing()
423 DPRINTK(" 720x400@88Hz\n"); in get_est_timing()
[all …]
/Linux-v6.1/arch/arm64/boot/dts/nvidia/
Dtegra132-peripherals-opp.dtsi10 opp-hz = /bits/ 64 <12750000>;
16 opp-hz = /bits/ 64 <12750000>;
22 opp-hz = /bits/ 64 <12750000>;
28 opp-hz = /bits/ 64 <12750000>;
34 opp-hz = /bits/ 64 <20400000>;
40 opp-hz = /bits/ 64 <20400000>;
46 opp-hz = /bits/ 64 <20400000>;
52 opp-hz = /bits/ 64 <20400000>;
58 opp-hz = /bits/ 64 <40800000>;
64 opp-hz = /bits/ 64 <40800000>;
[all …]
/Linux-v6.1/arch/loongarch/include/asm/
Ddelay.h18 #if HZ >= 1000
20 #elif HZ <= 200
23 #define MAX_UDELAY_MS (1000 / HZ)
/Linux-v6.1/arch/mips/include/asm/
Ddelay.h24 #if HZ >= 1000
26 #elif HZ <= 200
29 #define MAX_UDELAY_MS (1000 / HZ)
/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dsc8280xp.dtsi40 opp-hz = /bits/ 64 <300000000>;
43 opp-hz = /bits/ 64 <403200000>;
46 opp-hz = /bits/ 64 <499200000>;
49 opp-hz = /bits/ 64 <595200000>;
52 opp-hz = /bits/ 64 <691200000>;
55 opp-hz = /bits/ 64 <806400000>;
58 opp-hz = /bits/ 64 <902400000>;
61 opp-hz = /bits/ 64 <1017600000>;
64 opp-hz = /bits/ 64 <1113600000>;
67 opp-hz = /bits/ 64 <1209600000>;
[all …]
Dsm8150.dtsi296 opp-hz = /bits/ 64 <300000000>;
301 opp-hz = /bits/ 64 <403200000>;
306 opp-hz = /bits/ 64 <499200000>;
311 opp-hz = /bits/ 64 <576000000>;
316 opp-hz = /bits/ 64 <672000000>;
321 opp-hz = /bits/ 64 <768000000>;
326 opp-hz = /bits/ 64 <844800000>;
331 opp-hz = /bits/ 64 <940800000>;
336 opp-hz = /bits/ 64 <1036800000>;
341 opp-hz = /bits/ 64 <1113600000>;
[all …]
/Linux-v6.1/Documentation/fb/
Dviafb.modes10 # 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock)
14 # Scan Frequency 31.469 kHz 59.94 Hz
29 # D: 25.175 MHz, H: 31.469 kHz, V: 59.94 Hz
32 # D: 24.823 MHz, H: 39.780 kHz, V: 60.00 Hz
35 # 640x480, 75 Hz, Non-Interlaced (31.50 MHz dotclock)
39 # Scan Frequency 37.500 kHz 75.00 Hz
53 # D: 31.50 MHz, H: 37.500 kHz, V: 75.00 Hz
56 # 640x480, 85 Hz, Non-Interlaced (36.000 MHz dotclock)
60 # Scan Frequency 43.269 kHz 85.00 Hz
74 # D: 36.000 MHz, H: 43.269 kHz, V: 85.00 Hz
[all …]
/Linux-v6.1/Documentation/scheduler/
Dsched-nice-design.rst14 units were driven by the HZ tick, so the smallest timeslice was 1/HZ.
44 HZ=1000 it caused 1 jiffy to be 1 msec, which meant 0.1% CPU usage which
51 So for HZ=1000 we changed nice +19 to 5msecs, because that felt like the
53 But the fundamental HZ-sensitive property for nice+19 still remained,
59 within the constraints of HZ and jiffies and their nasty design level
91 enough), the scheduler was decoupled from 'time slice' and HZ concepts
94 support: with the new scheduler nice +19 tasks get a HZ-independent
/Linux-v6.1/Documentation/hwmon/
Dsht3x.rst25 scaled by 1000, i.e. the value for 31.5 degrees celsius is 31500.
47 2000 0.5 Hz periodic measurement
48 1000 1 Hz periodic measurement
49 500 2 Hz periodic measurement
50 250 4 Hz periodic measurement
51 100 10 Hz periodic measurement
/Linux-v6.1/drivers/gpu/drm/amd/display/modules/freesync/
Dfreesync.c34 /* Refresh rate ramp at a fixed rate of 65 Hz/second */
35 #define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65)
105 ((unsigned int)(div64_u64((1000000000ULL * 1000), in calc_duration_in_us_from_refresh_in_uhz()
170 stream->timing.h_total), 1000); in calc_v_total_from_duration()
200 (1000 + div64_u64(((unsigned long long)( in update_v_total_for_static_ramp()
208 (1000 - frame_duration_ratio)), 1000); in update_v_total_for_static_ramp()
211 * standard frame duration (frame duration at 60 Hz refresh rate). in update_v_total_for_static_ramp()
246 stream->timing.h_total), 1000); in update_v_total_for_static_ramp()
419 + (1000*FIXED_REFRESH_EXIT_MARGIN_IN_HZ)); in apply_fixed_refresh()
604 /* PB7 = FreeSync Minimum refresh rate (Hz) */ in build_vrr_infopacket_data_v1()
[all …]
/Linux-v6.1/drivers/leds/
Dleds-clevo-mail.c122 * start it. Let's blink the led slowly (0.5Hz). in clevo_mail_led_blink()
124 *delay_on = 1000; /* ms */ in clevo_mail_led_blink()
125 *delay_off = 1000; /* ms */ in clevo_mail_led_blink()
130 /* blink the led with 1Hz */ in clevo_mail_led_blink()
134 } else if (*delay_on == 1000 /* ms */ && *delay_off == 1000 /* ms */) { in clevo_mail_led_blink()
135 /* blink the led with 0.5Hz */ in clevo_mail_led_blink()
/Linux-v6.1/arch/m68k/include/asm/
Ddelay.h53 #define HZSCALE (268435456 / (1000000 / HZ))
67 __delay(xloops * HZ); in __xdelay()
100 * 1000 / ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6) is the number of
103 * So n / ( 1000 / ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6) ) would
114 #define HZSCALE (268435456 / (1000000 / HZ))
121 1000)); in ndelay()

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