| /linux/Documentation/sound/designs/ |
| H A D | timestamping.rst | 7 - Trigger_tstamp is the system time snapshot taken when the .trigger
19 The difference (tstamp - trigger_tstamp) defines the elapsed time.
26 The use of these different pointers and time information depends on
30 - ``delay`` reports the time it will take to hear a new sample after all
34 along with a snapshot of system time. Applications can select from
42 of time as measured by different components of audio hardware. In
47 --------------------------------------------------------------> time
51 time time time time time
58 The analog time is taken at the last stage of the playback, as close
61 The link time is taken at the output of the SoC/chipset as the samples
[all …]
|
| /linux/tools/perf/scripts/python/ |
| H A D | stat-cpi.py | 10 def get_key(time, event, cpu, thread): argument
11 return "%d-%s-%d-%d" % (time, event, cpu, thread)
13 def store_key(time, cpu, thread): argument
14 if (time not in times):
15 times.append(time)
23 def store(time, event, cpu, thread, val, ena, run): argument
24 #print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" %
25 # (event, cpu, thread, time, val, ena, run))
27 store_key(time, cpu, thread)
28 key = get_key(time, event, cpu, thread)
[all …]
|
| /linux/Documentation/devicetree/bindings/rtc/ |
| H A D | trivial-rtc.yaml | 23 # AB-RTCMC-32.768kHz-B5ZE-S3: Real Time Clock/Calendar Module with I2C Interface
25 # AB-RTCMC-32.768kHz-EOZ9: Real Time Clock/Calendar Module with I2C Interface
27 # ASPEED BMC ast2400 Real-time Clock
29 # ASPEED BMC ast2500 Real-time Clock
31 # ASPEED BMC ast2600 Real-time Clock
33 # Conexant Digicolor Real Time Clock Controller
37 # Dallas DS1672 Real-time Clock
41 # SD2405AL Real-Time Clock
45 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
47 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
[all …]
|
| /linux/include/linux/platform_data/ |
| H A D | gpmc-omap.h | 15 /* bool type time settings */
35 u32 cs_on; /* Assertion time */
36 u32 cs_rd_off; /* Read deassertion time */
37 u32 cs_wr_off; /* Write deassertion time */
40 u32 adv_on; /* Assertion time */
41 u32 adv_rd_off; /* Read deassertion time */
42 u32 adv_wr_off; /* Write deassertion time */
43 u32 adv_aad_mux_on; /* ADV assertion time for AAD */
44 u32 adv_aad_mux_rd_off; /* ADV read deassertion time for AAD */
45 u32 adv_aad_mux_wr_off; /* ADV write deassertion time for AAD */
[all …]
|
| /linux/drivers/rtc/ |
| H A D | rtc-mc146818-lib.c | 34 * readout is unspecified. The maximum update time is ~2ms. Poll in mc146818_avoid_UIP()
81 pr_warn("Reading current time from RTC took around %li ms\n", in mc146818_avoid_UIP()
101 struct rtc_time *time; member
121 p->time->tm_sec = seconds; in mc146818_get_time_callback()
122 p->time->tm_min = CMOS_READ(RTC_MINUTES); in mc146818_get_time_callback()
123 p->time->tm_hour = CMOS_READ(RTC_HOURS); in mc146818_get_time_callback()
124 p->time->tm_mday = CMOS_READ(RTC_DAY_OF_MONTH); in mc146818_get_time_callback()
125 p->time->tm_mon = CMOS_READ(RTC_MONTH); in mc146818_get_time_callback()
126 p->time->tm_year = CMOS_READ(RTC_YEAR); in mc146818_get_time_callback()
143 * mc146818_get_time - Get the current time from the RTC
[all …]
|
| H A D | rtc-wm8350.c | 3 * Real Time Clock driver for Wolfson Microelectronics WM8350
13 #include <linux/time.h>
29 * Read current time and date in RTC
38 * Read the time twice and compare. in wm8350_rtc_readtime()
39 * If time1 == time2, then time is valid else retry. in wm8350_rtc_readtime()
83 dev_err(dev, "timed out reading RTC time\n"); in wm8350_rtc_readtime()
88 * Set current time and date in RTC
93 u16 time[4]; in wm8350_rtc_settime() local
97 time[0] = tm->tm_sec; in wm8350_rtc_settime()
98 time[0] |= tm->tm_min << WM8350_RTC_MINS_SHIFT; in wm8350_rtc_settime()
[all …]
|
| H A D | rtc-pcf50633.c | 51 u_int8_t time[PCF50633_TI_EXTENT]; member
64 rtc->tm_sec = bcd2bin(pcf->time[PCF50633_TI_SEC]); in pcf2rtc_time()
65 rtc->tm_min = bcd2bin(pcf->time[PCF50633_TI_MIN]); in pcf2rtc_time()
66 rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]); in pcf2rtc_time()
67 rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]); in pcf2rtc_time()
68 rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]); in pcf2rtc_time()
69 rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1; in pcf2rtc_time()
70 rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100; in pcf2rtc_time()
75 pcf->time[PCF50633_TI_SEC] = bin2bcd(rtc->tm_sec); in rtc2pcf_time()
76 pcf->time[PCF50633_TI_MIN] = bin2bcd(rtc->tm_min); in rtc2pcf_time()
[all …]
|
| H A D | rtc-sd2405al.c | 3 * RTC driver for the SD2405AL Real-Time Clock
16 /* Real time clock registers */
86 static int sd2405al_read_time(struct device *dev, struct rtc_time *time) in sd2405al_read_time() argument
97 time->tm_sec = bcd2bin(data[SD2405AL_REG_T_SEC] & 0x7F); in sd2405al_read_time()
98 time->tm_min = bcd2bin(data[SD2405AL_REG_T_MIN] & 0x7F); in sd2405al_read_time()
101 time->tm_hour = bcd2bin(data[SD2405AL_REG_T_HOUR] & 0x3F); in sd2405al_read_time()
104 time->tm_hour = bcd2bin(data[SD2405AL_REG_T_HOUR] in sd2405al_read_time()
107 time->tm_hour = bcd2bin(data[SD2405AL_REG_T_HOUR] in sd2405al_read_time()
110 time->tm_wday = bcd2bin(data[SD2405AL_REG_T_WEEK] & 0x07); in sd2405al_read_time()
111 time->tm_mday = bcd2bin(data[SD2405AL_REG_T_DAY] & 0x3F); in sd2405al_read_time()
[all …]
|
| H A D | rtc-spear.c | 63 /* date reg equal to time reg, for debug only */
192 * spear_rtc_read_time - set the time
194 * @tm: holds date and time
196 * This function read time and date. On success it will return 0
202 unsigned int time, date; in spear_rtc_read_time() local
208 time = readl(config->ioaddr + TIME_REG); in spear_rtc_read_time()
210 } while (time == readl(config->ioaddr + TIME_REG)); in spear_rtc_read_time()
211 tm->tm_sec = (time >> SECOND_SHIFT) & SECOND_MASK; in spear_rtc_read_time()
212 tm->tm_min = (time >> MINUTE_SHIFT) & MIN_MASK; in spear_rtc_read_time()
213 tm->tm_hour = (time >> HOUR_SHIFT) & HOUR_MASK; in spear_rtc_read_time()
[all …]
|
| H A D | rtc-rk808.c | 21 /* RK808 has a shadowed register for saving a "frozen" RTC time.
22 * When user setting "GET_TIME" to 1, the time will save in this shadowed
23 * register. If set "READSEL" to 1, user read rtc time register, actually
24 * get the time of that moment. If we need the real time, clr this bit.
76 time64_t time = rtc_tm_to_time64(tm); in rockchip_to_gregorian() local
77 rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm); in rockchip_to_gregorian()
83 time64_t time = rtc_tm_to_time64(tm); in gregorian_to_rockchip() local
84 rtc_time64_to_tm(time - extra_days * 86400, tm); in gregorian_to_rockchip()
91 rtc_time64_to_tm(time - (extra_days - 1) * 86400, tm); in gregorian_to_rockchip()
95 /* Read current time and date in RTC */
[all …]
|
| /linux/lib/ |
| H A D | find_bit_benchmark.c | 39 ktime_t time; in test_find_first_bit() local
41 time = ktime_get(); in test_find_first_bit()
46 time = ktime_get() - time; in test_find_first_bit()
47 pr_err("find_first_bit: %18llu ns, %6ld iterations\n", time, cnt); in test_find_first_bit()
56 ktime_t time; in test_find_first_and_bit() local
60 time = ktime_get(); in test_find_first_and_bit()
65 time = ktime_get() - time; in test_find_first_and_bit()
66 pr_err("find_first_and_bit: %18llu ns, %6ld iterations\n", time, cnt); in test_find_first_and_bit()
74 ktime_t time; in test_find_next_bit() local
76 time = ktime_get(); in test_find_next_bit()
[all …]
|
| /linux/sound/core/seq/ |
| H A D | seq_prioq.c | 7 #include <linux/time.h>
91 return (snd_seq_compare_tick_time(&a->time.tick, &b->time.tick)); in compare_timestamp()
93 /* compare real time */ in compare_timestamp()
94 return (snd_seq_compare_real_time(&a->time.time, &b->time.time)); in compare_timestamp()
108 if (a->time.tick > b->time.tick) in compare_timestamp_rel()
110 else if (a->time.tick == b->time.tick) in compare_timestamp_rel()
115 /* compare real time */ in compare_timestamp_rel()
116 if (a->time.time.tv_sec > b->time.time.tv_sec) in compare_timestamp_rel()
118 else if (a->time.time.tv_sec == b->time.time.tv_sec) { in compare_timestamp_rel()
119 if (a->time.time.tv_nsec > b->time.time.tv_nsec) in compare_timestamp_rel()
[all …]
|
| /linux/Documentation/scheduler/ |
| H A D | sched-rt-group.rst | 2 Real-Time group scheduling
28 resolution, or the time it takes to handle the budget refresh itself.
33 are real-time processes).
42 Real-time scheduling is all about determinism, a group has to be able to rely on
43 the amount of bandwidth (eg. CPU time) being constant. In order to schedule
44 multiple groups of real-time tasks, each group must be assigned a fixed portion
45 of the CPU time available. Without a minimum guarantee a real-time group can
52 CPU time is divided by means of specifying how much time can be spent running
53 in a given period. We allocate this "run time" for each real-time group which
54 the other real-time groups will not be permitted to use.
[all …]
|
| /linux/include/linux/iio/ |
| H A D | iio-gts-helper.h | 2 /* gain-time-scale conversion helpers for IIO light sensors
32 * struct iio_itime_sel_mul - integration time description
37 * integration time and amplification as well as corresponding selector
42 * 200 mS => 4 and 400 mS => 8 assuming the impact of integration time would be
44 * the data collection time caused value 2X etc.
46 * @time_us: Integration time in microseconds. Time values must be positive,
48 * @sel: Selector (usually register value) used to indicate this time
50 * @mul: Multiplication to the values caused by this time.
86 iio_gts_find_itime_by_time(struct iio_gts *gts, int time) in iio_gts_find_itime_by_time() argument
143 iio_gts_find_sel_by_int_time(struct iio_gts * gts,int time) iio_gts_find_sel_by_int_time() argument
[all...] |
| /linux/scripts/ |
| H A D | show_delta | 5 # time data, and format with time deltas.
19 have time data prefixed because the CONFIG_PRINTK_TIME option is set, or
20 the kernel command line option "time" is specified. When run with no
21 options, the time information is converted to show the time delta between
23 are relative to a single (base) point in time.
27 -b <base> Specify a base for time references.
31 line) is used as the time reference.
50 time = string.atof(time_str)
52 #print "time=", time
53 return (time, rest)
[all …]
|
| /linux/arch/um/kernel/ |
| H A D | time.c | 23 #include <linux/time-internal.h>
64 panic("time-travel: time goes backwards %lld -> %lld\n", in time_travel_set_time()
85 printk(KERN_INFO "time-travel: received broadcast 0x%llx\n", bc_message); in _time_travel_print_bc_msg()
149 msg->time & UM_TIMETRAVEL_START_ACK_ID); in time_travel_handle_message()
158 panic("time-travel external link is broken\n"); in time_travel_handle_message()
160 panic("invalid time-travel message - %d bytes\n", ret); in time_travel_handle_message()
164 WARN_ONCE(1, "time-travel: unexpected message %lld\n", in time_travel_handle_message()
170 time_travel_set_time(msg->time); in time_travel_handle_message()
184 _time_travel_ext_free_until = msg->time; in time_travel_handle_message()
187 bc_message = msg->time; in time_travel_handle_message()
[all …]
|
| /linux/drivers/iio/ |
| H A D | industrialio-gts-helper.c | 2 /* gain-time-scale conversion helpers for IIO light sensors
45 * gain_get_scale_fraction - get the gain or time based on scale and known one
50 * @scale: Linearized scale to compute the gain/time for.
51 * @known: Either integration time or gain depending on which one is known
52 * @unknown: Pointer to variable where the computed gain/time is stored
55 * Compute either gain or time based on scale and either the gain or time
115 * @gts: Gain time scale descriptor
121 * generated by HW-gain or integration time. It is up to caller to decide what
122 * part of the total gain is due to integration time and what due to HW-gain.
141 * @gts: Gain time scale descriptor
[all …]
|
| /linux/include/uapi/linux/ |
| H A D | um_timetravel.h | 10 * struct um_timetravel_msg - UM time travel message
37 * @time: time in nanoseconds
39 __u64 time; member
63 * enum um_timetravel_start_ack - ack-time mask for start message
78 * this usually doesn't carry any data in the 'time' field
86 * @UM_TIMETRAVEL_START: initialize the connection, the time
93 * @UM_TIMETRAVEL_REQUEST: request to run at the given time
101 * interrupts); the time field is ignored. The calendar must process
109 * @UM_TIMETRAVEL_GET: return the current time from the calendar in the
110 * ACK message, the time in the request message is ignored
[all …]
|
| /linux/Documentation/fb/ |
| H A D | viafb.modes | 21 # Active Time 25.422 us 15.253 ms
23 # Blank Time 6.356 us 1.430 ms
46 # Active Time 20.317 us 12.800 ms
48 # Blank Time 6.349 us 0.533 ms
67 # Active Time 17.778 us 11.093 ms
69 # Blank Time 5.333 us 0.670 ms
88 # Active Time 14.827 us 9.430 ms
90 # Blank Time 4.819 us 0.570 ms
109 # Active Time 12.212 us 7.767 ms
111 # Blank Time 3.969 us 0.566 ms
[all …]
|
| /linux/drivers/net/wireless/intel/iwlwifi/mvm/ |
| H A D | time-event.h | 14 * DOC: Time Events - what is it?
16 * Time Events are a fw feature that allows the driver to control the presence
18 * concurrently, the fw may choose to jump to another channel at any time.
19 * In order to make sure that the fw is on a specific channel at a certain time
20 * and for a certain duration, the driver needs to issue a time event.
22 * The simplest example is for BSS association. The driver issues a time event,
32 * time and for a certain duration, it sends a Time Event. The flow against the
42 * What is the start time of the event?
43 * Is there an end-time for the event?
53 * In order to simplify the use of time events to the rest of the driver,
[all …]
|
| /linux/tools/testing/selftests/tc-testing/tc-tests/actions/ |
| H A D | gate.json | 31 "name": "Add gate action with base-time",
47 …"cmdUnderTest": "$TC action add action gate base-time 200000000000ns sched-entry close 100000000ns…
50 "matchPattern": "action order [0-9]*: .*base-time 200s.*index 10 ref",
58 "name": "Add gate action with cycle-time",
74 …"cmdUnderTest": "$TC action add action gate cycle-time 200000000000ns sched-entry close 100000000n…
77 "matchPattern": "action order [0-9]*: .*cycle-time 200s.*index 1000 ref",
85 "name": "Add gate action with cycle-time-ext",
101 …"cmdUnderTest": "$TC action add action gate cycle-time-ext 20000000000ns sched-entry close 1000000…
104 "matchPattern": "action order [0-9]*: .*cycle-time-ext 20s.*index 1000 ref",
112 "name": "Replace gate base-time action",
[all …]
|
| /linux/drivers/gpu/drm/nouveau/nvkm/core/ |
| H A D | subdev.c | 58 s64 time; in nvkm_subdev_fini() local
61 time = ktime_to_us(ktime_get()); in nvkm_subdev_fini()
75 time = ktime_to_us(ktime_get()) - time; in nvkm_subdev_fini()
76 nvkm_trace(subdev, "%s completed in %lldus\n", action, time); in nvkm_subdev_fini()
83 s64 time; in nvkm_subdev_preinit() local
86 time = ktime_to_us(ktime_get()); in nvkm_subdev_preinit()
96 time = ktime_to_us(ktime_get()) - time; in nvkm_subdev_preinit()
97 nvkm_trace(subdev, "preinit completed in %lldus\n", time); in nvkm_subdev_preinit()
104 s64 time; in nvkm_subdev_oneinit_() local
110 nvkm_trace(subdev, "one-time init running...\n"); in nvkm_subdev_oneinit_()
[all …]
|
| /linux/Documentation/devicetree/bindings/memory-controllers/ |
| H A D | ti,gpmc-child.yaml | 30 description: Assertion time
34 description: Read deassertion time
38 description: Write deassertion time
43 description: Assertion time
47 description: Read deassertion time
51 description: Write deassertion time
55 description: Assertion time for AAD
59 description: Read deassertion time for AAD
63 description: Write deassertion time for AAD
68 description: Assertion time
[all …]
|
| /linux/tools/perf/tests/shell/ |
| H A D | daemon.sh | 173 [session-time]
197 # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0
200 check_line_other "${line}" time "-e task-clock -m 1 sleep 10" ${base}/session-time \
201 ${base}/session-time/output ${base}/session-time/control \
202 ${base}/session-time/ack "0"
228 [session-time]
238 # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0
241 check_line_other "${line}" time "-e task-clock -m 1 sleep 10" ${base}/session-time \
242 ${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0"
255 [session-time]
[all …]
|
| /linux/Documentation/admin-guide/pm/ |
| H A D | cpuidle.rst | 8 CPU Idle Time Management
27 CPU idle time management is an energy-efficiency feature concerned about using
33 CPU idle time management operates on CPUs as seen by the *CPU scheduler* (that
43 program) at a time, it is a CPU. In that case, if the hardware is asked to
47 least one program at a time. The cores need not be entirely independent of each
48 other (for example, they may share caches), but still most of the time they
51 time. The entire cores are CPUs in that case and if the hardware is asked to
62 program in the same time frame (that is, each core may be able to fetch
63 instructions from multiple locations in memory and execute them in the same time
69 time management perspective and if the processor is asked to enter an idle state
[all …]
|