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lib64rlog1-devel-1.3.7-2mdv2008.1.x86_64.rpm

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<h1>rlog-1.3.7/rlog/RLogTime.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Author:   Vadim Zeitlin &lt;vadim@wxwidgets.org&gt;</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> *****************************************************************************</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (c) 2004 Vadim Zeitlin</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can distribute it and/or modify it under</span>
<a name="l00008"></a>00008 <span class="comment"> * the terms of the GNU Lesser General Public License (LGPL), as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 2.1 of the License, or (at your</span>
<a name="l00010"></a>00010 <span class="comment"> * option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00013"></a>00013 <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00014"></a>00014 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE.  See the LGPL in the file COPYING for more</span>
<a name="l00015"></a>00015 <span class="comment"> * details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef _rlog_time_incl</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define _rlog_time_incl</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;rlog/common.h&gt;</span>
<a name="l00023"></a>00023 
<a name="l00028"></a>00028 <span class="preprocessor">#ifdef _WIN32</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;windows.h&gt;</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="preprocessor">#define HAVE_QUERYPERFORMANCECOUNTER 1</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="keyword">typedef</span> __int64 rlog_time_interval;
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="preprocessor">#if HAVE_QUERYPERFORMANCECOUNTER</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="keyword">typedef</span> LARGE_INTEGER rlog_time;
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="preprocessor">#define RLOG_TIME_UNIT "clock cycles"</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="keyword">inline</span>
<a name="l00043"></a>00043 <span class="keywordtype">void</span> rlog_get_time(rlog_time *pt)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045     QueryPerformanceCounter(pt);
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="keyword">inline</span>
<a name="l00049"></a>00049 rlog_time_interval rlog_time_diff(<span class="keyword">const</span> rlog_time&amp; end, <span class="keyword">const</span> rlog_time&amp; start)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051     <span class="keywordtype">long</span> <span class="keywordtype">long</span> llEnd, llStart;
<a name="l00052"></a>00052     memcpy(&amp;llEnd, &amp;end, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span> <span class="keywordtype">long</span>));
<a name="l00053"></a>00053     memcpy(&amp;llStart, &amp;start, <span class="keyword">sizeof</span>(<span class="keywordtype">long</span> <span class="keywordtype">long</span>));
<a name="l00054"></a>00054     <span class="keywordflow">return</span> llEnd - llStart;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <span class="preprocessor">#else // !HAVE_QUERYPERFORMANCECOUNTER</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span>
<a name="l00059"></a>00059 <span class="keyword">typedef</span> FILETIME rlog_time;
<a name="l00060"></a>00060 
<a name="l00061"></a>00061 <span class="preprocessor">#define RLOG_TIME_UNIT "usec"</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="keyword">inline</span>
<a name="l00064"></a>00064 <span class="keywordtype">void</span> rlog_get_time(rlog_time *pt)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066     GetSystemTimeAsFileTime(pt);
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 
<a name="l00069"></a>00069 <span class="keyword">inline</span>
<a name="l00070"></a>00070 rlog_time_interval rlog_time_diff(<span class="keyword">const</span> rlog_time&amp; end, <span class="keyword">const</span> rlog_time&amp; start)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072     ULONGLONG ullEnd, ullStart;
<a name="l00073"></a>00073     memcpy(&amp;ullEnd, &amp;end, <span class="keyword">sizeof</span>(ULONGLONG));
<a name="l00074"></a>00074     memcpy(&amp;ullStart, &amp;start, <span class="keyword">sizeof</span>(ULONGLONG));
<a name="l00075"></a>00075     <span class="keywordflow">return</span> 10*(ullEnd - ullStart);
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 
<a name="l00078"></a>00078 <span class="preprocessor">#endif // HAVE_QUERYPERFORMANCECOUNTER</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span>
<a name="l00080"></a>00080 <span class="keyword">inline</span>
<a name="l00081"></a>00081 <span class="keywordtype">void</span> sleep(<span class="keywordtype">int</span> seconds)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083     ::Sleep(seconds * 1000);
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 
<a name="l00086"></a>00086 <span class="preprocessor">#else // Unix</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>
<a name="l00088"></a>00088 <span class="preprocessor">#include &lt;sys/time.h&gt;</span>
<a name="l00089"></a>00089 <span class="preprocessor">#include &lt;unistd.h&gt;</span> <span class="comment">// for sleep()</span>
<a name="l00090"></a>00090 
<a name="l00091"></a>00091 <span class="preprocessor">#if RLOG_TIME_TSC</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span>
<a name="l00093"></a>00093 <span class="preprocessor">#include &lt;stdint.h&gt;</span>
<a name="l00094"></a>00094 
<a name="l00095"></a>00095 <span class="keyword">typedef</span> uint64_t rlog_time;
<a name="l00096"></a>00096 <span class="keyword">typedef</span> int64_t rlog_time_interval;
<a name="l00097"></a>00097 
<a name="l00098"></a>00098 <span class="preprocessor">#define RLOG_TIME_UNIT "clock cycles"</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span>
<a name="l00100"></a>00100 <span class="keyword">inline</span> <span class="keywordtype">void</span> rlog_get_time(uint64_t *pt)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102     <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"RDTSC"</span> : <span class="stringliteral">"=A"</span> (*pt));
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 
<a name="l00105"></a>00105 <span class="keyword">inline</span>
<a name="l00106"></a>00106 rlog_time_interval rlog_time_diff( <span class="keyword">const</span> rlog_time &amp;end, <span class="keyword">const</span> rlog_time &amp;start )
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108     <span class="keywordflow">return</span> end - start;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 
<a name="l00111"></a>00111 <span class="preprocessor">#else // !HAVE_TSC</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00113"></a>00113 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00114"></a>00114 
<a name="l00115"></a>00115 <span class="keyword">typedef</span> timeval rlog_time;
<a name="l00116"></a>00116 <span class="keyword">typedef</span> <span class="keywordtype">long</span> rlog_time_interval;
<a name="l00117"></a>00117 
<a name="l00118"></a>00118 <span class="preprocessor">#define RLOG_TIME_UNIT "usec"</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00120"></a>00120 <span class="keyword">inline</span>
<a name="l00121"></a>00121 <span class="keywordtype">void</span> rlog_get_time(rlog_time *pt)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123     gettimeofday( pt, 0 );
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 
<a name="l00126"></a>00126 <span class="keyword">inline</span>
<a name="l00127"></a>00127 rlog_time_interval rlog_time_diff( <span class="keyword">const</span> rlog_time &amp;end, <span class="keyword">const</span> rlog_time &amp;start )
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129     <span class="keywordflow">return</span> (end.tv_sec - start.tv_sec) * 1000 * 1000 + 
<a name="l00130"></a>00130         (end.tv_usec - start.tv_usec);
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132 
<a name="l00133"></a>00133 <span class="preprocessor">#endif // HAVE_TSC/!HAVE_TSC</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span>
<a name="l00135"></a>00135 <span class="preprocessor">#endif // Win32/Unix</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137 <span class="preprocessor">#endif // _rlog_time_incl</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Oct 5 11:13:40 2005 for rlog by&nbsp;
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