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<a href="analyzer_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include "analyzer.h"</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> cpu_usage(<span class="keyword">struct</span> <a class="code hl_struct" href="structproc__stat.html">proc_stat</a> prev,</div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structproc__stat.html">proc_stat</a> current) {</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> prevIdle = prev.<a class="code hl_variable" href="structproc__stat.html#a8cf13a33bf3f6df0fea6f11c069835d2">idle</a> + prev.<a class="code hl_variable" href="structproc__stat.html#a196b27e73492d632d584141cccb5d379">iowait</a>;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> idle = current.<a class="code hl_variable" href="structproc__stat.html#a8cf13a33bf3f6df0fea6f11c069835d2">idle</a> + current.<a class="code hl_variable" href="structproc__stat.html#a196b27e73492d632d584141cccb5d379">iowait</a>;</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> prevNonIdle = prev.<a class="code hl_variable" href="structproc__stat.html#aa4600f7feea835a377931e3a4de0ce47">user</a> + prev.<a class="code hl_variable" href="structproc__stat.html#ab2b0ce88f7db8e6fde5d0ada71af66df">nice</a> + prev.<a class="code hl_variable" href="structproc__stat.html#ad0d5ea5c5ac2fe254d8b1953f9047180">system</a> + prev.<a class="code hl_variable" href="structproc__stat.html#a51e94dcd31151948891922d3afb65e42">irq</a> +</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> prev.<a class="code hl_variable" href="structproc__stat.html#ab25610b61e24c58f20f46becff3c32d7">softirq</a> + prev.<a class="code hl_variable" href="structproc__stat.html#aba4a4ef24873fded0b934c4ad02c8fda">steal</a>;</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nonIdle = current.<a class="code hl_variable" href="structproc__stat.html#aa4600f7feea835a377931e3a4de0ce47">user</a> + current.<a class="code hl_variable" href="structproc__stat.html#ab2b0ce88f7db8e6fde5d0ada71af66df">nice</a> + current.<a class="code hl_variable" href="structproc__stat.html#ad0d5ea5c5ac2fe254d8b1953f9047180">system</a> +</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> current.<a class="code hl_variable" href="structproc__stat.html#a51e94dcd31151948891922d3afb65e42">irq</a> + current.<a class="code hl_variable" href="structproc__stat.html#ab25610b61e24c58f20f46becff3c32d7">softirq</a> + current.<a class="code hl_variable" href="structproc__stat.html#aba4a4ef24873fded0b934c4ad02c8fda">steal</a>;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> prevTotal = prevIdle + prevNonIdle;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> total = idle + nonIdle;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> total -= prevTotal;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> idle -= prevIdle;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keywordflow">return</span> (total - idle) * 100 / total;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span>}</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="analyzer_8c.html#a60d1e2bdc5c39558234c421a071d6f1c"> 35</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="analyzer_8c.html#a60d1e2bdc5c39558234c421a071d6f1c">analyzer</a>(<span class="keywordtype">void</span> *arg) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">struct </span><a class="code hl_struct" href="structproc__stat.html">proc_stat</a> *prev;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *avg;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *bufforAvg;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">struct </span><a class="code hl_struct" href="structproc__stat.html">proc_stat</a> *stats;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> (void)arg;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">if</span> ((prev = malloc((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)g_nproc * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code hl_struct" href="structproc__stat.html">proc_stat</a>))) ==</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> NULL) {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> ((avg = malloc((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)g_nproc * <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>))) == NULL) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> free(prev);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> pthread_cleanup_push(free, prev) pthread_cleanup_push(free, avg) <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_function" href="cputracker_8c.html#ac99b6069bf629214ce6258902739d613">notify_watchdog</a>(Analyzer);</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> sem_wait(&g_dataFilledSpaceSemaphore);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> pthread_mutex_lock(&g_dataBufferMutex);</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> stats = <a class="code hl_function" href="cputracker_8c.html#a6d7b4993bb9144e4cab9f9c7420c996a">get_item_from_data_buffer</a>();</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < g_nproc; i++) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> avg[i] = cpu_usage(prev[i], stats[i]);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> prev[i] = stats[i];</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> pthread_mutex_unlock(&g_dataBufferMutex);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> sem_post(&g_dataLeftSpaceSemaphore);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">//</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> sem_wait(&g_printLeftSpaceSemaphore);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> pthread_mutex_lock(&g_printBufferMutex);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> bufforAvg = <a class="code hl_function" href="cputracker_8c.html#a2b8f2341417ff6536dcfd85113bd3a5d">get_item_from_print_buffer</a>();</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> memcpy(bufforAvg, avg, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)g_nproc * <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>));</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> pthread_mutex_unlock(&g_printBufferMutex);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> sem_post(&g_printFilledSpaceSemaphore);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> pthread_cleanup_pop(1);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> pthread_cleanup_pop(1);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>}</div>
<div class="ttc" id="aanalyzer_8c_html_a60d1e2bdc5c39558234c421a071d6f1c"><div class="ttname"><a href="analyzer_8c.html#a60d1e2bdc5c39558234c421a071d6f1c">analyzer</a></div><div class="ttdeci">void * analyzer(void *arg)</div><div class="ttdoc">Analyzer function.</div><div class="ttdef"><b>Definition:</b> <a href="analyzer_8c_source.html#l00035">analyzer.c:35</a></div></div>
<div class="ttc" id="acputracker_8c_html_a2b8f2341417ff6536dcfd85113bd3a5d"><div class="ttname"><a href="cputracker_8c.html#a2b8f2341417ff6536dcfd85113bd3a5d">get_item_from_print_buffer</a></div><div class="ttdeci">unsigned long * get_item_from_print_buffer(void)</div><div class="ttdoc">Function getting item from print buffer.</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8c_source.html#l00079">cputracker.c:79</a></div></div>
<div class="ttc" id="acputracker_8c_html_a6d7b4993bb9144e4cab9f9c7420c996a"><div class="ttname"><a href="cputracker_8c.html#a6d7b4993bb9144e4cab9f9c7420c996a">get_item_from_data_buffer</a></div><div class="ttdeci">struct proc_stat * get_item_from_data_buffer(void)</div><div class="ttdoc">Function getting item from data buffer.</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8c_source.html#l00069">cputracker.c:69</a></div></div>
<div class="ttc" id="acputracker_8c_html_ac99b6069bf629214ce6258902739d613"><div class="ttname"><a href="cputracker_8c.html#ac99b6069bf629214ce6258902739d613">notify_watchdog</a></div><div class="ttdeci">void notify_watchdog(int id)</div><div class="ttdoc">Notify the watchdog that thread is alive.</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8c_source.html#l00089">cputracker.c:89</a></div></div>
<div class="ttc" id="astructproc__stat_html"><div class="ttname"><a href="structproc__stat.html">proc_stat</a></div><div class="ttdoc">Struct for /proc/stats info.</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00030">cputracker.h:30</a></div></div>
<div class="ttc" id="astructproc__stat_html_a196b27e73492d632d584141cccb5d379"><div class="ttname"><a href="structproc__stat.html#a196b27e73492d632d584141cccb5d379">proc_stat::iowait</a></div><div class="ttdeci">unsigned long iowait</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00036">cputracker.h:37</a></div></div>
<div class="ttc" id="astructproc__stat_html_a51e94dcd31151948891922d3afb65e42"><div class="ttname"><a href="structproc__stat.html#a51e94dcd31151948891922d3afb65e42">proc_stat::irq</a></div><div class="ttdeci">unsigned long irq</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00038">cputracker.h:38</a></div></div>
<div class="ttc" id="astructproc__stat_html_a8cf13a33bf3f6df0fea6f11c069835d2"><div class="ttname"><a href="structproc__stat.html#a8cf13a33bf3f6df0fea6f11c069835d2">proc_stat::idle</a></div><div class="ttdeci">unsigned long idle</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00035">cputracker.h:35</a></div></div>
<div class="ttc" id="astructproc__stat_html_aa4600f7feea835a377931e3a4de0ce47"><div class="ttname"><a href="structproc__stat.html#aa4600f7feea835a377931e3a4de0ce47">proc_stat::user</a></div><div class="ttdeci">unsigned long user</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00032">cputracker.h:32</a></div></div>
<div class="ttc" id="astructproc__stat_html_ab25610b61e24c58f20f46becff3c32d7"><div class="ttname"><a href="structproc__stat.html#ab25610b61e24c58f20f46becff3c32d7">proc_stat::softirq</a></div><div class="ttdeci">unsigned long softirq</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00039">cputracker.h:39</a></div></div>
<div class="ttc" id="astructproc__stat_html_ab2b0ce88f7db8e6fde5d0ada71af66df"><div class="ttname"><a href="structproc__stat.html#ab2b0ce88f7db8e6fde5d0ada71af66df">proc_stat::nice</a></div><div class="ttdeci">unsigned long nice</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00033">cputracker.h:33</a></div></div>
<div class="ttc" id="astructproc__stat_html_aba4a4ef24873fded0b934c4ad02c8fda"><div class="ttname"><a href="structproc__stat.html#aba4a4ef24873fded0b934c4ad02c8fda">proc_stat::steal</a></div><div class="ttdeci">unsigned long steal</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00040">cputracker.h:41</a></div></div>
<div class="ttc" id="astructproc__stat_html_ad0d5ea5c5ac2fe254d8b1953f9047180"><div class="ttname"><a href="structproc__stat.html#ad0d5ea5c5ac2fe254d8b1953f9047180">proc_stat::system</a></div><div class="ttdeci">unsigned long system</div><div class="ttdef"><b>Definition:</b> <a href="cputracker_8h_source.html#l00034">cputracker.h:34</a></div></div>
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