Lines Matching full:tick

42 Instead of the <I>tick</I> kernel variable, which many operating
44 clock tick (c.f. <A HREF="#frequency_tolerance">Dealing
82 variables; in particular, <tt>tick</tt> and <tt>tickadj</tt>.  The variable
83 <tt>tick</tt> is the increment in microseconds added to the system time on
85 by the time adjustment code as a slew rate, in microseconds per tick. When
87 <tt>adjtime()</tt>, the kernel increases or reduces tick by <tt>tickadj</tt>
88 microseconds per tick until the specified adjustment has been
89 completed. Unfortunately, in most Unix implementations the tick increment
98 the values of <tt>tick</tt> and <tt>tickadj</tt>. This ensures that all
102 <tt>tick</tt> and the value of <tt>tickadj</tt>) so it can avoid exceeding
119 the kernel's value of <tt>tick</tt>.</p> <p>The <tt>tickadj</tt> program can
121 <tt>tick</tt> if asked. This is handy to compensate for kernel bugs which
136 than 500 PPM. For machines with a value of <tt>tick</tt> in the 10-ms range,
137 a change of one in the value of <tt>tick</tt> will change the frequency by
138 about 100 PPM. In order to determine the value of <tt>tick</tt> for a
142 time change over the day by 0.116 and add or subtract the result to tick,
148 which sets tick 100 PPM fast, <tt>tickadj</tt> to 5 microseconds and turns
194 Solaris 2.1 contains fairly traditional clock code, with <I>tick</I>
210 The first tickadj turns of the time of day clock and sets the tick
222 The second tickadj set the tick adjust system value to 5 microseconds.