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/linux/tools/power/cpupower/bench/
H A DREADME-BENCH34 You can specify load (100% CPU load) and sleep (0% CPU load) times in us which
39 cycles=20
42 repeated 20 times.
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).
109 -l, --load=<long int> initial load time in us
110 -s, --sleep=<long int> initial sleep time in us
111 -x, --load-step=<long int> time to be added to load time, in us
112 -y, --sleep-step=<long int> time to be added to sleep time, in us
/linux/Documentation/fb/
H A Dviafb.modes15 # Sync Width 3.813 us 0.064 ms
17 # Front Porch 0.636 us 0.318 ms
19 # Back Porch 1.907 us 1.048 ms
21 # Active Time 25.422 us 15.253 ms
23 # Blank Time 6.356 us 1.430 ms
24 # 20 chars 45 lines
40 # Sync Width 2.032 us 0.080 ms
42 # Front Porch 0.508 us 0.027 ms
44 # Back Porch 3.810 us 0.427 ms
46 # Active Time 20.317 us 12.800 ms
[all …]
/linux/drivers/gpu/drm/i915/display/
H A Dintel_alpm.c89 * : 12 us
92 * The tPHY Establishment (a.k.a. t1) term is 50us
95 * Number ML_PHY_LOCK = ( 7 + CEILING( 6.5us / tML_PHY_LOCK ) + 1)
96 * Rounding up the 6.5us padding to the next ML_PHY_LOCK boundary and
155 if (DISPLAY_VER(display) < 20) in _lnl_compute_alpm_params()
158 /* ALPM Entry Check = 2 + CEILING( 5us /tline ) */ in _lnl_compute_alpm_params()
178 * are 50 us io wake time and 32 us fast wake time. Clearly preharge pulses are
179 * not (improperly) included in 32 us fast wake time. 50 us - 32 us = 18 us.
206 int tfw_exit_latency = 20; /* eDP spec */ in intel_alpm_compute_params()
217 if (DISPLAY_VER(display) >= 20) in intel_alpm_compute_params()
[all …]
/linux/drivers/platform/raspberrypi/vchiq-interface/
H A DTESTING59 vchi ping (size 0) -> 57.000000us
60 vchi ping (size 0, 0 async, 0 oneway) -> 122.000000us
61 vchi bulk (size 0, 0 async, 0 oneway) -> 546.000000us
62 vchi bulk (size 0, 0 oneway) -> 230.000000us
63 vchi ping (size 0) -> 49.000000us
64 vchi ping (size 0, 0 async, 0 oneway) -> 70.000000us
65 vchi bulk (size 0, 0 async, 0 oneway) -> 296.000000us
66 vchi bulk (size 0, 0 oneway) -> 266.000000us
67 vchi ping (size 0, 1 async, 0 oneway) -> 65.000000us
68 vchi bulk (size 0, 0 oneway) -> 456.000000us
[all …]
/linux/drivers/staging/vme_user/
H A Dvme_tsi148.h608 #define TSI148_PCFS_PCIXSTAT_DC BIT(20) /* Device Complexity */
692 #define TSI148_LCSR_VMCTRL_RMWEN BIT(20) /* RMW Enable */
695 #define TSI148_LCSR_VMCTRL_ATO_32 (0 << 16) /* 32 us */
696 #define TSI148_LCSR_VMCTRL_ATO_128 BIT(16) /* 128 us */
697 #define TSI148_LCSR_VMCTRL_ATO_512 (2 << 16) /* 512 us */
705 #define TSI148_LCSR_VMCTRL_VTOFF_0 (0 << 12) /* 0us */
706 #define TSI148_LCSR_VMCTRL_VTOFF_1 BIT(12) /* 1us */
707 #define TSI148_LCSR_VMCTRL_VTOFF_2 (2 << 12) /* 2us */
708 #define TSI148_LCSR_VMCTRL_VTOFF_4 (3 << 12) /* 4us */
709 #define TSI148_LCSR_VMCTRL_VTOFF_8 (4 << 12) /* 8us */
[all …]
/linux/Documentation/ABI/testing/
H A Ddebugfs-intel-iommu131 Base: 0x10022e000 Head: 20 Tail: 20
192 <0.1us 0.1us-1us 1us-10us 10us-100us 100us-1ms
195 1ms-10ms >=10ms min(us) max(us) average(us)
201 <0.1us 0.1us-1us 1us-10us 10us-100us 100us-1ms
204 1ms-10ms >=10ms min(us) max(us) average(us)
214 <0.1us 0.1us-1us 1us-10us 10us-100us 100us-1ms
217 >=10ms min(us) max(us) average(us)
/linux/drivers/media/rc/img-ir/
H A Dimg-ir-sony.c35 case 20: in img_ir_sony_scancode()
88 len = 20; in img_ir_sony_filter()
134 .unit = 600000, /* 600 us */
139 .space = { 1 /* 600 us */ },
143 .pulse = { 1 /* 600 us */ },
144 .space = { 1 /* 600 us */ },
149 .space = { 1 /* 600 us */ },
154 .maxlen = 20,
H A Dimg-ir-sharp.c80 .tolerance = 20, /* 20% */
84 .pulse = { 320 /* 320 us */ },
89 .pulse = { 320 /* 320 us */ },
/linux/tools/testing/selftests/tc-testing/tc-tests/qdiscs/
H A Dhfsc.json38 … "matchPattern": "class hfsc 1:1 parent 1: sc m1 0bit d 0us m2 20Kbit ul m1 0bit d 0us m2 10Kbit",
60 …"matchPattern": "class hfsc 1:1 parent 1: sc m1 2464Kbit d 5ms m2 10Kbit ul m1 0bit d 0us m2 10Kbi…
82 … "matchPattern": "class hfsc 1:1 parent 1: rt m1 0bit d 0us m2 20Kbit ls m1 0bit d 0us m2 10Kbit",
104 …"matchPattern": "class hfsc 1:1 parent 1: rt m1 2464Kbit d 5ms m2 10Kbit ls m1 0bit d 0us m2 10Kbi…
167 … "matchPattern": "class hfsc 1:1 parent 1: sc m1 0bit d 0us m2 8bit.*rt m1 0bit d 0us m2 8bit",
/linux/samples/bpf/
H A Dhbm_kern.h48 #define BURST_SIZE_NS 100000 // 100us
49 #define MARK_THRESH_NS 50000 // 50us
50 #define DROP_THRESH_NS 500000 // 500us
51 // Reserve 20us of queuing for small packets (less than 120 bytes)
55 // rate in bytes per ns << 20
56 #define CREDIT_PER_NS(delta, rate) ((((u64)(delta)) * (rate)) >> 20)
57 #define BYTES_PER_NS(delta, rate) ((((u64)(delta)) * (rate)) >> 20)
58 #define BYTES_TO_NS(bytes, rate) div64_u64(((u64)(bytes)) << 20, (u64)(rate))
/linux/drivers/phy/intel/
H A Dphy-intel-keembay-usb.c99 /* Wait 30us to ensure all analog blocks are powered up. */ in keembay_usb_clocks_on()
161 * According to Keem Bay datasheet, wait minimum 20us after clock in keembay_usb_phy_init()
164 usleep_range(20, 40); in keembay_usb_phy_init()
180 * According to Keem Bay datasheet, wait 2us after disabling the in keembay_usb_phy_init()
220 * According to Keem Bay datasheet, wait 20us after setting the in keembay_usb_phy_init()
223 usleep_range(20, 40); in keembay_usb_phy_init()
/linux/drivers/usb/storage/
H A Dalauda.c116 #define MEDIA_PORT(us) us->srb->device->lun argument
117 #define MEDIA_INFO(us) ((struct alauda_info *)us->extra)->port[MEDIA_PORT(us)] argument
123 static int init_alauda(struct us_data *us);
179 { 0x6e, 20, 8, 4, 8}, /* 1 MB */
180 { 0xe8, 20, 8, 4, 8}, /* 1 MB */
181 { 0xec, 20, 8, 4, 8}, /* 1 MB */
310 static int alauda_get_media_status(struct us_data *us, unsigned char *data) in alauda_get_media_status() argument
315 if (MEDIA_PORT(us) == ALAUDA_PORT_XD) in alauda_get_media_status()
320 rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe, in alauda_get_media_status()
324 usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]); in alauda_get_media_status()
[all …]
H A Dfreecom.c35 static void pdump(struct us_data *us, void *ibuffer, int length);
110 static int init_freecom(struct us_data *us);
152 freecom_readdata (struct scsi_cmnd *srb, struct us_data *us, in freecom_readdata() argument
156 (struct freecom_xfer_wrap *) us->iobuf; in freecom_readdata()
164 usb_stor_dbg(us, "Read data Freecom! (c=%d)\n", count); in freecom_readdata()
167 result = usb_stor_bulk_transfer_buf (us, opipe, fxfr, in freecom_readdata()
170 usb_stor_dbg(us, "Freecom readdata transport error\n"); in freecom_readdata()
175 usb_stor_dbg(us, "Start of read\n"); in freecom_readdata()
176 result = usb_stor_bulk_srb(us, ipipe, srb); in freecom_readdata()
177 usb_stor_dbg(us, "freecom_readdata done!\n"); in freecom_readdata()
[all …]
H A Dsddr09.c52 static int usb_stor_sddr09_dpcm_init(struct us_data *us);
53 static int sddr09_transport(struct scsi_cmnd *srb, struct us_data *us);
54 static int usb_stor_sddr09_init(struct us_data *us);
149 { 0x6e, 20, 8, 4, 8, 2}, /* 1 MB */
150 { 0xe8, 20, 8, 4, 8, 2}, /* 1 MB */
151 { 0xec, 20, 8, 4, 8, 2}, /* 1 MB */
289 sddr09_send_command(struct us_data *us, in sddr09_send_command() argument
301 pipe = us->recv_ctrl_pipe; in sddr09_send_command()
303 pipe = us->send_ctrl_pipe; in sddr09_send_command()
305 rc = usb_stor_ctrl_transfer(us, pipe, request, requesttype, in sddr09_send_command()
[all …]
/linux/drivers/cpufreq/
H A Dpowernow-k8.h18 u32 vstable; /* voltage stabilization time, units 20 us */
19 u32 plllock; /* pll lock time, units 1 us */
122 #define VST_UNITS_20US 20 /* Voltage Stabilization Time is in units of 20us */
132 #define PLL_L_SHIFT 20
/linux/tools/dma/
H A Ddma_map_benchmark.c32 /* default single thread, run 20 seconds on NUMA_NO_NODE */ in main()
33 int threads = 1, seconds = 20, node = -1; in main()
99 if (bits < 20 || bits > 64) { in main()
100 fprintf(stderr, "invalid dma mask bit, must be in 20-64\n"); in main()
138 printf("average map latency(us):%.1f standard deviation:%.1f\n",
140 printf("average unmap latency(us):%.1f standard deviation:%.1f\n",
/linux/drivers/iio/light/
H A Dzopt2201.c32 #define ZOPT2201_ALS_DATA 0x0d /* LSB first, 13 to 20 bits */
33 #define ZOPT2201_UVB_DATA 0x10 /* LSB first, 13 to 20 bits */
34 #define ZOPT2201_UV_COMP_DATA 0x13 /* LSB first, 13 to 20 bits */
35 #define ZOPT2201_COMP_DATA 0x16 /* LSB first, 13 to 20 bits */
106 unsigned long us; /* measurement time in micro seconds */ member
108 { 20, 400000 },
195 unsigned long t = zopt2201_resolution[data->res].us; in zopt2201_read()
267 (1 << (20 - zopt2201_resolution[data->res].bits)) / in zopt2201_read_raw()
290 *val2 = zopt2201_resolution[data->res].us; in zopt2201_read_raw()
321 if (val2 == zopt2201_resolution[i].us) { in zopt2201_write_resolution()
[all …]
/linux/drivers/net/ethernet/brocade/bna/
H A Dbna_hw_defs.h37 #define BFI_COALESCING_TIMER_UNIT 5 /* 5us */
38 #define BFI_MAX_COALESCING_TIMEO 0xFF /* in 5us units */
40 #define BFI_MAX_INTERPKT_TIMEO 0xF /* in 0.5us units */
41 #define BFI_TX_COALESCING_TIMEO 20 /* 20 * 5 = 100us */
43 #define BFI_TX_INTERPKT_TIMEO 15 /* 15 * 0.5 = 7.5us */
44 #define BFI_RX_COALESCING_TIMEO 12 /* 12 * 5 = 60us */
46 #define BFI_RX_INTERPKT_TIMEO 3 /* 3 * 0.5 = 1.5us */
317 #define BNA_CQ_EF_LOCAL BIT(20)
/linux/arch/arm/boot/dts/marvell/
H A Dkirkwood-synology.dtsi38 pmx_hddled_20: pmx-hddled-20 {
419 gpio-leds-hdd-20 {
429 gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
503 gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
616 startup-delay-us = <5000000>;
629 startup-delay-us = <5000000>;
651 startup-delay-us = <5000000>;
673 startup-delay-us = <5000000>;
686 startup-delay-us = <5000000>;
709 startup-delay-us = <5000000>;
[all …]
/linux/Documentation/devicetree/bindings/cpu/
H A Didle-states.yaml396 entry-latency-us:
400 exit-latency-us:
403 The exit-latency-us duration may be guaranteed only after
404 entry-latency-us has passed.
406 min-residency-us:
412 wakeup-latency-us:
418 entry-latency-us + exit-latency-us
422 systems entry-latency-us + exit-latency-us will exceed
423 wakeup-latency-us by this duration.
434 - entry-latency-us
[all …]
/linux/drivers/input/serio/
H A Dps2-gpio.c49 * therefore the maximal interrupt interval should be 100us and the minimum
50 * interrupt interval should be ~60us. Let's allow +/- 20us for frequency
53 * The data line must be sampled after ~30us to 50us after the falling edge,
62 * 60us/100us 30us/50us
68 #define PS2_IRQ_MIN_INTERVAL_US (PS2_CLK_MIN_INTERVAL_US - 20)
69 #define PS2_IRQ_MAX_INTERVAL_US (PS2_CLK_MAX_INTERVAL_US + 20)
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dti,tsc2046.yaml55 settling-time-us: true
79 interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
90 settling-time-us = <700>;
98 settling-time-us = <700>;
103 settling-time-us = <700>;
108 settling-time-us = <700>;
/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-skov-cpu-revc.dtsi21 cs-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
38 settling-time-us = <700>;
44 settling-time-us = <700>;
50 settling-time-us = <700>;
56 settling-time-us = <700>;
/linux/drivers/net/wireguard/
H A Dpeerlookup.c13 /* siphash gives us a secure 64bit number based on a random key. Since in pubkey_bucket()
95 /* At the moment, we limit ourselves to 2^20 total peers, which generally might
96 * amount to 2^20*3 items in this hashtable. The algorithm below works by
103 * >>> calculation(1, 2**20 * 3)
105 * >>> calculation(2, 2**20 * 3)
107 * >>> calculation(3, 2**20 * 3)
109 * >>> calculation(4, 2**20 * 3)
142 * that nobody else stole it from us. in wg_index_hashtable_insert()
/linux/arch/arm64/boot/dts/ti/
H A Dk3-am62p-verdin-ivy.dtsi52 settle-time-us = <1000>;
61 settle-time-us = <1000>;
96 settle-time-us = <1000>;
105 settle-time-us = <1000>;
312 "", /* 20 */
408 "", /* 20 */
482 /* AIN1 0-20mA Current Input */
509 /* AIN2 0-20mA Current Input */
584 "", /* 20 */

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