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ZealOS/docs/System/Utils/CPURep.CC.html
TomAwezome 95d4d9e5c1 Update documentation.
2021-12-04 05:03:02 -05:00

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<a name="l1"></a><span class=cF0>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Info;Time/CPU Cycles;Processor&quot;</span><span class=cF0>
<a name="l2"></a></span><span class=cF1>class</span><span class=cF0> </span><span class=cF9>CCPURep</span><span class=cF0>
<a name="l3"></a>{
<a name="l4"></a> </span><span class=cF1>Bool</span><span class=cF0> mp_start, mp_end;
<a name="l5"></a> </span><span class=cF9>I64</span><span class=cF0> mp_not_done_flags,
<a name="l6"></a> **swaps,
<a name="l7"></a> **cycles;
<a name="l8"></a>};
<a name="l9"></a>
<a name="l10"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>MPCPURep</span><span class=cF0>(</span><span class=cF9>CCPURep</span><span class=cF0> *cr)
<a name="l11"></a>{
<a name="l12"></a> </span><span class=cF9>I64</span><span class=cF0> swaps = </span><span class=cFE>0</span><span class=cF0>, cycles_0, cycles_f;
<a name="l13"></a>
<a name="l14"></a> </span><span class=cF1>while</span><span class=cF0> (!cr-&gt;mp_start)
<a name="l15"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l16"></a> cycles_0 = </span><span class=cF5>TSCGet</span><span class=cF0>;
<a name="l17"></a> </span><span class=cF1>while</span><span class=cF0> (!cr-&gt;mp_end)
<a name="l18"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l19"></a> swaps++;
<a name="l20"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l21"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l22"></a> cycles_f = </span><span class=cF5>TSCGet</span><span class=cF0>;
<a name="l23"></a> cr-&gt;swaps[</span><span class=cF5>Gs</span><span class=cF0>-&gt;num] = swaps;
<a name="l24"></a> cr-&gt;cycles[</span><span class=cF5>Gs</span><span class=cF0>-&gt;num] = cycles_f - cycles_0;
<a name="l25"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;cr-&gt;mp_not_done_flags, </span><span class=cF5>Gs</span><span class=cF0>-&gt;num);
<a name="l26"></a>}
<a name="l27"></a>
<a name="l28"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>CPURep</span><span class=cF0>(</span><span class=cF1>Bool</span><span class=cF0> full=</span><span class=cF3>FALSE</span><span class=cF0>)
<a name="l29"></a>{</span><span class=cF2>//Report name, number of cores and clock freq.</span><span class=cF0>
<a name="l30"></a> </span><span class=cF9>I64</span><span class=cF0> i, total_swaps, total_cycles;
<a name="l31"></a> </span><span class=cF1>F64</span><span class=cF0> t0, tf;
<a name="l32"></a> </span><span class=cF9>CCPURep</span><span class=cF0> cr;
<a name="l33"></a>
<a name="l34"></a> </span><span class=cF5>SysRep</span><span class=cF0>(</span><span class=cF3>SMBIOSt_PROCESSOR</span><span class=cF0>);
<a name="l35"></a>
<a name="l36"></a> </span><span class=cF1>if</span><span class=cF0> (!full)
<a name="l37"></a> </span><span class=cF6>&quot;%03X Active Cores at %6h?nHz\n&quot;</span><span class=cF0>, </span><span class=cFB>mp_count</span><span class=cF0>, </span><span class=cF5>ToF64</span><span class=cF0>(</span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq);
<a name="l38"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l39"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l40"></a> cr.swaps = </span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> * </span><span class=cFB>mp_count</span><span class=cF0>);
<a name="l41"></a> cr.cycles = </span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> * </span><span class=cFB>mp_count</span><span class=cF0>);
<a name="l42"></a> cr.mp_start = cr.mp_end = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l43"></a> cr.mp_not_done_flags = </span><span class=cFE>1</span><span class=cF0> &lt;&lt; </span><span class=cFB>mp_count</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; </span><span class=cFB>mp_count</span><span class=cF0>; i++)
<a name="l45"></a> </span><span class=cF5>Spawn</span><span class=cF0>(&amp;</span><span class=cF5>MPCPURep</span><span class=cF0>, &amp;cr, </span><span class=cF3>NULL</span><span class=cF0>, i);
<a name="l46"></a>
<a name="l47"></a> t0 = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l48"></a> cr.mp_start = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l49"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>2000</span><span class=cF0>);
<a name="l50"></a> cr.mp_end = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l51"></a> </span><span class=cF1>while</span><span class=cF0> (cr.mp_not_done_flags)
<a name="l52"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l53"></a> tf = </span><span class=cF5>tS</span><span class=cF0>;
<a name="l54"></a>
<a name="l55"></a> </span><span class=cF6>&quot;\n%03X Cores %6h?nHz\n&quot;</span><span class=cF0>, </span><span class=cFB>mp_count</span><span class=cF0>, </span><span class=cF5>ToF64</span><span class=cF0>(</span><span class=cFB>counts</span><span class=cF0>.time_stamp_freq);
<a name="l56"></a> </span><span class=cF6>&quot;\n Context\n&quot;</span><span class=cF0>
<a name="l57"></a> </span><span class=cF6>&quot;CPU Swaps/s Cycles\n&quot;</span><span class=cF0>
<a name="l58"></a> </span><span class=cF6>&quot;--- ------------- -----------------\n&quot;</span><span class=cF0>;
<a name="l59"></a> total_swaps = </span><span class=cFE>0</span><span class=cF0>;
<a name="l60"></a> total_cycles = </span><span class=cFE>0</span><span class=cF0>;
<a name="l61"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; </span><span class=cFB>mp_count</span><span class=cF0>; i++)
<a name="l62"></a> {
<a name="l63"></a> </span><span class=cF6>&quot; %02X %13,d %17,d\n&quot;</span><span class=cF0>, i, </span><span class=cF5>ToI64</span><span class=cF0>(cr.swaps[i] / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0>), </span><span class=cF5>ToI64</span><span class=cF0>(cr.cycles[i] / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0>);
<a name="l64"></a> total_swaps += cr.swaps[i];
<a name="l65"></a> total_cycles += cr.cycles[i];
<a name="l66"></a> }
<a name="l67"></a> </span><span class=cF6>&quot;--- ------------- -----------------\n&quot;</span><span class=cF0>;
<a name="l68"></a> </span><span class=cF6>&quot;%03X %13,d %17,d\n&quot;</span><span class=cF0>, i, </span><span class=cF5>ToI64</span><span class=cF0>(total_swaps / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0>), </span><span class=cF5>ToI64</span><span class=cF0>(total_cycles / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0>);
<a name="l69"></a> </span><span class=cF6>&quot;Avg %13,d %17,d\n\n&quot;</span><span class=cF0>, </span><span class=cF5>ToI64</span><span class=cF0>(total_swaps / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0> / i), </span><span class=cF5>ToI64</span><span class=cF0>(total_cycles / </span><span class=cF7>(</span><span class=cF0>tf - t0</span><span class=cF7>)</span><span class=cF0> / i);
<a name="l70"></a> </span><span class=cF6>&quot;Avg Cycles/Swap: %12.6f\n&quot;</span><span class=cF0>, </span><span class=cF5>ToF64</span><span class=cF0>(total_cycles) / total_swaps;
<a name="l71"></a> </span><span class=cF6>&quot;Avg Time/Swap : %12.6fns\n\n&quot;</span><span class=cF0>, (tf - t0) * </span><span class=cFE>1000000000</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> * i / total_swaps;
<a name="l72"></a> </span><span class=cF5>Free</span><span class=cF0>(cr.swaps);
<a name="l73"></a> </span><span class=cF5>Free</span><span class=cF0>(cr.cycles);
<a name="l74"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l75"></a>}
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