| /freebsd/contrib/tzcode/ |
| H A D | tzfile.5 | 2 .\" 1996-06-05 by Arthur David Olson.
15 Each file is a sequence of 8-bit bytes.
16 In a file, a binary integer is represented by a sequence of one or
17 more bytes in network order (bigendian, or high-order byte first),
20 and a boolean is represented by a one-byte binary integer that is
22 The format begins with a 44-byte header containing the following fields:
24 .Bl -bullet
26 The magic four-byt
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| H A D | tzfile.h | 9 ** 1996-06-05 by Arthur David Olson.
15 ** This header is for use ONLY with the time conversion code.
23 ** Information about time zone files.
41 char tzh_version[1]; /* '\0' or '2'-'4' as of 2021 */
43 char tzh_ttisutcnt[4]; /* coded number of trans. time flags */
44 char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */
47 char tzh_typecnt[4]; /* coded number of local time types */
54 ** tzh_timecnt (char [4])s coded transition times a la time(2)
55 ** tzh_timecnt (unsigned char)s types of local time startin
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| H A D | newtzset.3 | 2 .\" 2009-05-17 by Arthur David Olson.
3 .TH newtzset 3 "" "Time Zone Database"
5 tzset \- initialize time conversion information
8 .ie \n(.g .ds - \f(CR-\fP
9 .el .ds - \-
10 .B #include <time
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| H A D | zic.8 | 2 .\" 2009-05-17 by Arthur David Olson.
11 .Op Fl -help
12 .Op Fl -version
27 .Op Fl t Ar localtime-link
39 .Dq "-" ,
43 .Bl -tag -width indent
44 .It Fl -version
46 .It Fl -hel
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| /freebsd/share/doc/smm/11.timedop/ |
| H A D | timed.ms | 48 Command under contract No. N00039-84-C-0089, and by the CSELT
56 .EH 'SMM:11-%''Timed Installation and Operation'
57 .OH 'Timed Installation and Operation''SMM:11-%'
63 time daemons (\fItimed\fP) running on the machines in a local
65 The algorithms implemented by the service is based on a master-slave scheme.
66 The time daemons communicate with each other using the
67 \fITime Synchronization Protocol\fP (TSP) which
70 A time daemon has a twofold function.
74 among slave time daemons when, for any reason, the master disappears.
78 The next paragraphs are a brief overview of how the time daemon works.
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| /freebsd/share/doc/smm/12.timed/ |
| H A D | timed.ms | 33 Time Synchronization Protocol
45 Command under contract No. N00039-84-C-0089, and by the Italian CSELT
53 .OH 'The Berkeley UNIX Time Synchronization Protocol''SMM:12-%'
54 .EH 'SMM:12-%''The Berkeley UNIX Time Synchronization Protocol'
58 The Time Synchronization Protocol (TSP)
70 among slave time daemons when, for any reason, the master disappears.
76 local area network, consists of a collection of \fItime daemons\fP
77 (one per machine) and is based on a master-slave
81 A \fImaster time daemon\fP measures the time
84 uses ICMP \fITime Stamp Requests\fP [5] to measure the clock difference
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| /freebsd/usr.bin/gprof/ |
| H A D | gprof.1 | 80 If more than one profile file is specified,
87 utility calculates the amount of time spent in each routine.
89 Cycles are discovered, and calls into a cycle are made to share the time
92 sorted according to the time they represent
93 including the time of their call graph descendants.
96 A similar display above the function shows how this function's time and the
97 time of its descendants is propagated to its (direct) call graph parents.
101 time and call counts of the cycle.
107 the time that the call spent in the routine itself, and
108 the time that the call spent in the routine itself including
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| /freebsd/sbin/dhclient/ |
| H A D | dhclient.conf.5 | 54 file is a free-form ASCII text file.
55 It is parsed by the recursive-descent parser built into
58 Keywords in the file are case-insensitive.
77 reasonable timing behaviour will be used by default - one which
83 .Bl -tag -width indent
84 .It Ic timeout Ar time ;
87 statement determines the amount of time that must pass between the
88 time that the client begins to try to determine its address and the
89 time that it decides that it is not going to be able to contact a server.
94 attempting to validate them, and if it finds one that appears to be
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| /freebsd/contrib/ntp/html/ |
| H A D | leap.html | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
12 <!-- #BeginDate format:En2m -->10-Mar-2014 05:11<!-- #EndDate -->
15 …Time (UTC) timescale. Ordinarily, this happens at the end of the last day of June or December; but…
16 …ther than to affect the conversion of an NTP datestamp or timestamp to conventional civil time.</p>
18 …time.nist.gov and installed using the <a href="miscopt.html#leapfile">leapfile</a> command. The fi…
19 …time kernel support is available and enabled, at the beginning of the day of the leap event, the l…
20 …Time (TAI) and UTC. If the precision time kernel modifications are available and enabled, the TAI …
|
| H A D | discipline.html | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
7 <!-- Changed by: stenn, 03-Jan-2020 -->
13 <!-- #BeginDate format:En2m -->3-Jan-2020 02:12<!-- #EndDate -->
18 <li class="inline"><a href="#pll">Phase-Lock Loop Operations</a></li>
24 …-lock feedback loop. It is an intricately crafted algorithm that automatically adapts for optimum…
29 …The loop filter implements a type-2 proportional-integrator controller (PIC). The PIC can minimiz…
30 …time in order to avoid setting the clock backward. In FLL mode the phase predictor is not used, w…
31 …time constant</em>, which results in a "stiffness" depending on the jitter of the availa…
33 …time constant. In the NTP specification and reference implementation, time constants and poll int…
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| H A D | rate.html | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
4 <meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
6 <title>Rate Management and the Kiss-o'-Death</title>
9 <!--
12 font-weight: bold;
14 -->
18 <h3>Rate Management and the Kiss-o'-Death Packet</h3>
22 <!-- #BeginDate format:En2m -->10-Mar-2014 05:19<!-- #EndDate -->
31 <li class="inline"><a href="#guard">Minimum Headway Time</a></li>
32 <li class="inline"><a href="#mah">Minimum Average Headway Time</a></li>
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| /freebsd/share/man/man9/ |
| H A D | callout.9 | 56 .Nd execute a function after a specified length of time
60 .Bd -literal
171 time in the future.
176 the function to be called and the time at which the function should be invoked.
177 Pending function calls can be cancelled or rescheduled to a different time.
182 Callouts only provide a single-shot mode.
210 .Dq multi-processor safe ;
239 A sleepable read-mostly lock
261 .Bl -tag -width ".Dv CALLOUT_RETURNUNLOCKED"
279 returns a value of one.
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| /freebsd/share/man/man4/ |
| H A D | spkr.4 | 15 .Tn IBM-PC Ns --compatible
19 Only one process may have this device open at any given time;
25 another process has the device locked will return -1 with an
37 Sound-generation does not monopolize the processor; in fact, the driver
38 spends most of its time sleeping while the PC hardware is emitting
67 The play-string language is modeled on the PLAY statement conventions of
77 The `octave-tracking'
80 There are 84 accessible notes numbered 1-84 in 7 octaves, each running from
81 C to B, numbered 0-6; the scale is equal-tempered A440 and octave 3 starts
83 By default, the play function emits half-second notes with the
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| /freebsd/bin/date/ |
| H A D | date.1 | 1 .\"-
37 .Nd display or set date and time
39 .\" Display time.
49 .Op Cm + | -
54 .\" Set time with the default input format.
62 .Op Cm + | -
76 .\" Set time with the user-provided input format.
84 .Op Cm + | -
94 utility displays the current date and time.
97 will set the date and time or print it in a user-defined way.
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| /freebsd/share/doc/psd/18.gprof/ |
| H A D | present.me | 32 without regard to the amount of time their descendants use.
40 and the number of seconds of execution time for which they
42 The routines are listed in decreasing order of execution time.
49 for large fractions of the execution time.
53 the total time of the program.
55 the individual times sum to the total execution time.
66 index %time self descendants called+self name index
69 0.20 1.20 4/10 \ \ \s-1CALLER1\s+1 [7]
70 0.30 1.80 6/10 \ \ \s-1CALLER2\s+1 [1]
71 [2] 41.5 0.50 3.00 10+4 \s-1EXAMPLE\s+1 [2]
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| H A D | gathering.me | 62 By post-processing of this data we can build the dynamic call
70 time it is invoked.
72 and the time required to record it would overwhelm the running
73 time of most programs.
85 post-processing to provide a profile of many
88 The execution time monitoring consists of three parts.
106 In a machine-dependent fashion, the monitoring routine notes its
127 must be as fast as possible so as not to overwhelm the time
133 Since each call site typically calls only one callee, we can
134 reduce (usually to one) the number of minor lookups based on the callee.
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| H A D | postp.me | 36 we are interested in attributing the time for each routine to the
39 and propagate time from descendants to ancestors
41 Time propagation is performed from the leaves of the
48 If we propagate time from nodes in the
50 execution time can be propagated from descendants to ancestors
52 Each parent receives some fraction of a child's time.
53 Thus time is charged to the
67 average amount of time for all calls to that routine,
70 of the time spent by the callee.
74 The total time, $T sub r$, we wish to account to a routine
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| /freebsd/bin/pax/ |
| H A D | pax.1 | 1 .\"-
42 .Bk -words
45 .Bk -words
49 .Bk -words
53 .Bk -words
57 .Bk -words
69 .Bk -words
72 .Bk -words
76 .Bk -words
80 .Bk -words
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| /freebsd/share/doc/usd/04.csh/ |
| H A D | csh.2 | 1 .\"-
54 This file contains commands which you wish to do each time you login
55 to the \s-2UNIX\s0 system.
64 \'set noglob ; eval \`tset \-s \-m dialup:c100rv4pna \-m plugboard:?hp2621nl \!*\`\';
66 set time=15 history=10
67 msgs \-f
68 if (\-e $mail) then
74 This file contains several commands to be executed by \s-2UNIX\s0
75 each time I login.
98 Next I set the shell variable `time' to `15' causing the shell to automatically
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| /freebsd/usr.sbin/cron/cron/ |
| H A D | cron.8 | 70 Before running a command from a per-account crontab file,
90 checks each minute to see if its spool directory's modification time (or
91 the modification time on
95 will then examine the modification time on all crontabs and reload those
102 command updates the modification time of the spool directory whenever it
106 .Bl -tag -width indent
108 Enable time jitter.
118 Default is 0, which effectively disables time jitter.
124 Enable time jitter for superuser jobs.
149 timezone changes, such as the switches between the standard time and
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| /freebsd/lib/libutil/ |
| H A D | login.conf.5 | 41 third-party packages.
46 non-root user without a valid login class in
57 to set user-defined environment settings which override those specified
63 colon-separated fields.
64 The first entry for each record gives one or more names that a record is
97 for a more in-depth description of the format of a capability database.
108 .Bl -tag -width "program"
125 With a numeric type, only one numeric value is allowed.
136 .Bl -tag -offset indent -compact -width xxxx
138 explicitly selects 512-byte blocks
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| H A D | login_times.3 | 29 .Nd functions for parsing and checking login time periods
57 specifies one or more 2- or 3-character day codes, followed by
58 a start and end time in 24 hour format separated by a hyphen.
64 For example, the following time period:
65 .Dl MoThFrSa1400-2200
68 .Dl Wd0600-1800
70 .Dl Any0400-1600
73 Note that all time periods reference system local time.
77 function converts the ASCII representation of a time period into
81 .Bd -literal
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| /freebsd/crypto/openssh/ |
| H A D | ssh-keygen.1 | 1 .\" $OpenBSD: ssh-keygen.1,v 1.230 2023/09/04 10:29:58 job Exp $
42 .Nm ssh-keygen
45 .Nm ssh-keygen
54 .Op Fl t Cm dsa | ecdsa | ecdsa-sk | ed25519 | ed25519-sk | rsa
57 .Nm ssh-keygen
65 .Nm ssh-keygen
69 .Nm ssh-keygen
73 .Nm ssh-keygen
76 .Nm ssh-keygen
82 .Nm ssh-keygen
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| /freebsd/share/doc/papers/kerntune/ |
| H A D | 3.t | 61 time is long.
71 eliminating one bottleneck,
73 that begins to dominate execution time.
85 We prefer to run a profiling system for about a one day
86 period on one of our general timesharing machines.
89 We have run one day profiles on several
91 Despite the long period of time that elapsed
113 We find that our general time sharing systems do about
117 representing 40% of the time processing system calls,
126 part time % of kernel
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| /freebsd/share/doc/papers/kernmalloc/ |
| H A D | kernmalloc.t | 68 pp. 295-303, June 1988.
99 patterns in the UNIX kernel and a hybrid strategy that is time-efficient
100 for small allocations and space-efficient for large allocations.
102 with a single easy-to-program interface,
120 In a user process such short-term
121 memory would be allocated on the run-time stack.
122 Because the kernel has a limited run-time stack,
127 it must allocate a one kilobye buffer to hold the name.
135 Each time a new type of memory allocation has been required,
159 Rather than providing many semi-specialized ways of allocating memory,
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