Lines Matching +full:system +full:- +full:clock +full:- +full:frequency
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6 <title>Clock State Machine</title>
10 <h3>Clock State Machine</h3>
12 <!-- #BeginDate format:En2m -->4-Aug-2011 23:40<!-- #EndDate -->
25 …on and reference implementation a state machine is used to manage the system clock under exception…
26 … the clock discipline algorithm. its primary purpose is to determines whether the clock is slewed …
28 …-of-year (TOY) chip to maintain the time when the power is off. When the computer is restarted, t…
30 …clock discipline gradually slews the clock to the correct time, so that the time is effectively co…
31 …ed and the clock is always slewed. The daemon sets the step threshold to 600 s using the <tt>-x</t…
33 …clock can never be set backward, even it accidentally set forward a week by some evil means. Th…
35 …clock has drifted significantly from NTP time. This can cause a transient at system startup. In th…
40 …frequency file is nor present at startup. It begins when the first update is received by the disci…
42 …tartup to amortize the residual offset while not affecting the frequency. If the frequency file is…
51 <dt>FSET - The frequency file is present</dt>
52 <dd> Load the frequency file, initialize the hold timer and continue in SYNC state.</dd>
53 <dt>NSET - The frequency file is not present</dt>
55 <dt>FREQ - Frequency training state</dt>
56 …>Disable the clock discipline until the time since the last update exceeds the stepout threshold. …
57 <dt>SPIK - Spike state</dt>
58 …ast valid update was received exceeds the stepout threshold, step the system clock and continue in…
59 <dt>SYNC - Ordinary clock discipline state</dt>
60 …Discipline the system clock time and frequency using the hybrid phase/frequency feedback loop. Ho…