Searched +full:real +full:- +full:time (Results 1 – 25 of 1101) sorted by relevance
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1 # SPDX-License-Identifier: GPL-2.03 ---4 $id: http://devicetree.org/schemas/rtc/trivial-rtc.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#10 - Alexandre Belloni <alexandre.belloni@bootlin.com>18 - $ref: "rtc.yaml#"23 # AB-RTCMC-32.768kHz-B5ZE-S3: Real Time Clock/Calendar Module with I2C Interface24 - abracon,abb5zes325 # AB-RTCMC-32.768kHz-EOZ9: Real Time Clock/Calendar Module with I2C Interface26 - abracon,abeoz9[all …]
12 3. Scheduling Real-Time Tasks18 4.1 System-wide settings33 system behavior. As for -rt (group) scheduling, it is assumed that root users50 ------------------54 "runtime" microseconds of execution time every "period" microseconds, and57 every time the task wakes up, the scheduler computes a "scheduling deadline"61 task actually receives "runtime" time units within "deadline" if a proper70 with the "traditional" real-time task model (see Section 3) can effectively76 - Each SCHED_DEADLINE task is characterized by the "runtime",79 - The state of the task is described by a "scheduling deadline", and[all …]
... register size /data/jenkins/workspace/GNU-toolchain/arm-10/src/binutils- ...
1 # SPDX-License-Identifier: GPL-2.0-only14 bool "Real Time Clock"26 bool "Set system time from RTC on startup and resume"29 If you say yes here, the system time (wall clock) will be set using31 unnecessary fsck runs at boot time, and to network better.34 string "RTC used to set the system time"41 device should record time in UTC, since the kernel won't do44 This clock should be battery-backed, so that it reads the correct45 time when the system boots from a power-off state. Otherwise, your49 be useful to reinitialize system time when resuming from system[all …]
1 // SPDX-License-Identifier: GPL-2.0+3 * "RTT as Real Time Clock" driver for AT91SAM9 SoC family7 * Based on rtc-at91rm9200.c by Rick Bronson23 #include <linux/time.h>28 * to implement the Real Time Clock interfaces30 * - A "Real-time Timer" (RTT) counts up in seconds from a base time.33 * - One of the "General Purpose Backup Registers" (GPBRs) holds the34 * base time, normally an offset from the beginning of the POSIX35 * epoch (1970-Jan-1 00:00:00 UTC). Some systems also include the42 * choose from, or a "real" RTC module. All systems have multiple GPBR[all …]
1 /* SPDX-License-Identifier: GPL-2.0 */24 * ktime_get() family: read the current time in a multitude of ways,26 * The default time reference is CLOCK_MONOTONIC, starting at27 * boot time but not counting the time spent in suspend.28 * For other references, use the functions with "real", "clocktai",31 * To get the time in a different format, use the ones wit34 * See Documentation/core-api/timekeeping.rst for more details.75 * ktime_get_real - get the real (wall-) time in ktime_t format88 * ktime_get_boottime - Returns monotonic time since boot in ktime_t format91 * time spent in suspend.[all …]
1 /* SPDX-License-Identifier: GPL-2.0+ */6 * System Timer (ST) - System peripherals registers.26 #define AT91_ST_RTMR 0x0c /* Real-time Mode Register */27 #define AT91_ST_RTPRES 0xffff /* Real-time Prescalar Value */32 #define AT91_ST_RTTINC BIT(2) /* Real-time Timer Increment */39 #define AT91_ST_RTAR 0x20 /* Real-time Alarm Register */42 #define AT91_ST_CRTR 0x24 /* Current Real-time Register */43 #define AT91_ST_CRTV 0xfffff /* Current Real-Time Value */
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */3 * BSD Process Accounting for Linux - Definitions8 * BSD-style process accounting. The kernel accounting code and all9 * user-level programs that try to do something useful with the12 * Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.25 * comp_t is a 16-bit "floating" point number with a 3-bit base 826 * exponent and a 13-bit fraction.27 * comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction49 __u16 ac_uid16; /* LSB of Real User ID */50 __u16 ac_gid16; /* LSB of Real Group ID */[all …]
18 .\" Set up some character translations and predefined strings. \*(-- will24 .tr \(*W-27 . ds -- \(*W-29 . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch30 . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch37 . ds -- \|\(em\|73 .\" Fear. Run. Save yourself. No user-serviceable parts.83 . ds #H ((1u-(\\\\n(.fu%2u))*.13m)99 . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"100 . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'[all …]
3 # SPDX-License-Identifier: GPL-2.0-only13 Reports time consumed for one or more task in a format similar to the standard14 Bash 'time' builtin. Optionally sorts tasks by real (wall-clock), user (user15 space CPU), or sys (kernel CPU) time.26 build/tmp/buildstats/20161018083535/foo-1.0-r0/do_compile, then just that32 "--sort",33 choices=("none", "real", "user", "sys"),44 field_regexes = (("elapsed", ".*Elapsed time: ([0-9.]+)"),45 ("user", "rusage ru_utime: ([0-9.]+)"),46 ("sys", "rusage ru_stime: ([0-9.]+)"),[all …]
5 menu "Real Time Clock"11 Enable drver model for real-time-clock drivers. The RTC uclass20 The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integrated23 has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a31 compatible Real Time Clock devices.
4 Copyright (C) 1999-2020 Free Software Foundation, Inc.9 Invariant Sections being "Funding Free Software", the Front-Cover Texts10 being (a) (see below), and with the Back-Cover Texts being (b) (see14 (a) The FSF's Front-Cover Text is:18 (b) The FSF's Back-Cover Text is:23 INFO-DIR-SECTION Software development24 START-INFO-DIR-ENTRY26 END-INFO-DIR-ENTRY32 Floor Boston, MA 02110-1301 USA34 Copyright (C) 1999-2020 Free Software Foundation, Inc.[all …]
4 - compatible: Should be "atmel,sama5d2-chipid"5 - reg : Should contain registers location and length8 - compatible: Should be "atmel,at91sam9260-pit"9 - reg: Should contain registers location and length10 - interrupts: Should contain interrupt for the PIT which is the IRQ line14 - compatible: Should be "microchip,sam9x60-pit64b"15 - reg: Should contain registers location and length16 - interrupts: Should contain interrupt for PIT64B timer17 - clocks: Should contain the available clock sources for PIT64B timer.20 - compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd"[all …]
1 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.31 comp_t is a 16-bit "floating" point number with a 3-bit base 832 exponent and a 13-bit fraction. See linux/kernel/acct.c for the41 uint16_t ac_uid; /* Real user ID. */42 uint16_t ac_gid; /* Real group ID. */44 uint32_t ac_btime; /* Beginning time. */45 comp_t ac_utime; /* User time. */46 comp_t ac_stime; /* System time. */47 comp_t ac_etime; /* Elapsed time. */66 uint32_t ac_uid; /* Real User ID */[all …]
2 * key_test.c -- key test application5 * Author: Bin Yang <yangbin@rock-chips.com>6 * Author: Panzhenzhuan Wang <randy.wang@rock-chips.com>12 * http://www.apache.org/licenses/LICENSE-2.063 {"vol-", KEY_VOLUMEDOWN, 0, 0},84 {"VOL-", KEY_VOLUMEDOWN, 0},95 //TODO: According to 3229 real board to add test code.100 //TODO:According to 1808 real board to add test code.109 {"VOL-", KEY_VOLUMEDOWN, 0},115 //TODO:According to PX30 real board to add test code.[all …]
15 What this does - it provides the emulation of the OSS sequencer, access53 However, each MIDI device is exclusive - that is, if a MIDI device57 * Real-time event processing:59 The events can be processed in real time without using out of bound60 ioctl. To switch to real-time mode, send ABSTIME 0 event. The followed61 events will be processed in real-time without queued. To switch off the62 real-time mode, send RELTIME 0 event.67 ``/proc/asound/seq/oss`` at any time. In the later version,74 Run configure script with both sequencer support (``--with-sequencer=yes``)75 and OSS emulation (``--with-oss=yes``) options. A module ``snd-seq-oss.o``[all …]
9 List: linux-kernel12 Date: 1999-07-30 21:36:2414 Cc'd to linux-kernel, because I don't write explanations all that often,21 > discussed on the mailing lists---I just returned from vacation and22 > wasn't able to follow linux-kernel for a while).26 - we have "real address spaces" and "anonymous address spaces". The28 user-level page tables at all, so when we do a context switch into an33 doesn't need any user mappings - all kernel threads basically fall into34 this category, but even "real" threads can temporarily say that for35 some amount of time they are not going to be interested in user space,[all …]
2 NO_HZ: Reducing Scheduling-Clock Ticks7 reduce the number of scheduling-clock interrupts, thereby improving energy9 some types of computationally intensive high-performance computing (HPC)10 applications and for real-time applications.12 There are three main ways of managing scheduling-clock interrupts13 (also known as "scheduling-clock ticks" or simply "ticks"):15 1. Never omit scheduling-clock ticks (CONFIG_HZ_PERIODIC=y or16 CONFIG_NO_HZ=n for older kernels). You normally will -not-19 2. Omit scheduling-clock ticks on idle CPUs (CONFIG_NO_HZ_IDLE=y or23 3. Omit scheduling-clock ticks on CPUs that are either idle or that[all …]
1 /* SPDX-License-Identifier: GPL-2.0 */16 * -----------------------------------------------23 * -----------------------------------------------25 * The second type are "hyper-fast traps" which encode the function27 * numbers > 0x80. The register usage for hyper-fast traps is as30 * -----------------------------------------------36 * -----------------------------------------------44 * defined below. So, for example, if a hyper-fast trap takes49 * is invalid, HV_EBADTRAP will be returned in %o0. Also, all 64-bits63 #define HV_ENORADDR 2 /* Invalid real address */[all …]
1 # SPDX-License-Identifier: GPL-2.0-only3 # RCU-related configuration options24 thousands of CPUs, but for which real-time response35 designed for UP systems from which real-time response40 bool "Make expert-level adjustments to RCU configuration"44 expert-level adjustments to RCU configuration. By default,45 no such adjustments can be made, which has the often-beneficial46 side-effect of preventing "make oldconfig" from asking you all50 Say Y if you need to make expert-level adjustments to RCU.58 permits arbitrary sleeping or blocking within RCU read-side critical[all …]