1debug::heartbeat(n)             debug narrative            debug::heartbeat(n)
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NAME

8       debug::heartbeat - debug narrative - heartbeat
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SYNOPSIS

11       package require Tcl  8.5
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13       package require debug::heartbeat  ?1?
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15       package require debug  ?1?
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17       debug heartbeat ?delta?
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DESCRIPTION

API

23       debug heartbeat ?delta?
24              This method activates or disables a heartbeat with which to mon‐
25              itor the event loop of an event-based Tcl application.
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27              It reserves the debug tag heartbeat for its operation and writes
28              a message every delta milliseconds.
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30              A delta-value <= 0 disables the heartbeat.
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32              The  message  produced  by  the  heartbeat  contains  a sequence
33              counter and the time in milliseconds since the last  beat,  thus
34              providing  insight  into  timing variationsn and deviations from
35              the nominal delta.
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BUGS, IDEAS, FEEDBACK

38       This document, and the package it describes, will  undoubtedly  contain
39       bugs  and  other problems.  Please report such in the category debug of
40       the  Tcllib  Trackers  [http://core.tcl.tk/tcllib/reportlist].   Please
41       also  report any ideas for enhancements you may have for either package
42       and/or documentation.
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44       When proposing code changes, please provide unified diffs, i.e the out‐
45       put of diff -u.
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47       Note  further  that  attachments  are  strongly  preferred over inlined
48       patches. Attachments can be made by going  to  the  Edit  form  of  the
49       ticket  immediately  after  its  creation, and then using the left-most
50       button in the secondary navigation bar.
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KEYWORDS

53       debug, heartbeat, log, narrative, trace
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CATEGORY

56       debugging, tracing, and logging
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59       Copyright (c) 200?, Colin McCormack, Wub Server Utilities
60       Copyright (c) 2012, Andreas Kupries <andreas_kupries@users.sourceforge.net>
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65tcllib                                 1                   debug::heartbeat(n)
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