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+<div class="title">PeriodicCounterSelectionCommandHandler.cpp</div> </div>
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+<a href="_periodic_counter_selection_command_handler_8cpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright © 2019 Arm Ltd. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="_periodic_counter_selection_command_handler_8hpp.xhtml">PeriodicCounterSelectionCommandHandler.hpp</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="_profiling_utils_8hpp.xhtml">ProfilingUtils.hpp</a>"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <<a class="code" href="_types_8hpp.xhtml">armnn/Types.hpp</a>></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <boost/numeric/conversion/cast.hpp></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <boost/format.hpp></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span><a class="code" href="namespacearmnn.xhtml">armnn</a></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> {</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>profiling</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keywordtype">void</span> PeriodicCounterSelectionCommandHandler::ParseData(<span class="keyword">const</span> Packet& packet, CaptureData& captureData)</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  std::vector<uint16_t> counterIds;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  uint32_t sizeOfUint32 = <a class="code" href="namespacearmnn.xhtml#a37fa39012e90d568df7f774cd6d1e956">boost::numeric_cast</a><uint32_t>(<span class="keyword">sizeof</span>(uint32_t));</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  uint32_t sizeOfUint16 = <a class="code" href="namespacearmnn.xhtml#a37fa39012e90d568df7f774cd6d1e956">boost::numeric_cast</a><uint32_t>(<span class="keyword">sizeof</span>(uint16_t));</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  uint32_t offset = 0;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">if</span> (packet.GetLength() < 4)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">// Insufficient packet size</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// Parse the capture period</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  uint32_t capturePeriod = <a class="code" href="namespacearmnn_1_1profiling.xhtml#ad56f4c3ea5e88279bb6ef1f31d9dc6df">ReadUint32</a>(packet.GetData(), offset);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Set the capture period</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  captureData.SetCapturePeriod(capturePeriod);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// Parse the counter ids</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counters = (packet.GetLength() - 4) / 2;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (counters > 0)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  counterIds.reserve(counters);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  offset += sizeOfUint32;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < counters; ++i)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// Parse the counter id</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint16_t counterId = <a class="code" href="namespacearmnn_1_1profiling.xhtml#a0ffb94cb0085a54a92f1c4eeaa6cf772">ReadUint16</a>(packet.GetData(), offset);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  counterIds.emplace_back(counterId);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  offset += sizeOfUint16;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// Set the counter ids</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  captureData.SetCounterIds(counterIds);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classarmnn_1_1profiling_1_1_periodic_counter_selection_command_handler.xhtml#a0a4b0531c573c4474c241b778c5f5897"> 59</a></span> <span class="keywordtype">void</span> <a class="code" href="classarmnn_1_1profiling_1_1_periodic_counter_selection_command_handler.xhtml#a0a4b0531c573c4474c241b778c5f5897">PeriodicCounterSelectionCommandHandler::operator()</a>(<span class="keyword">const</span> <a class="code" href="classarmnn_1_1profiling_1_1_packet.xhtml">Packet</a>& packet)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806">ProfilingState</a> currentState = m_StateMachine.<a class="code" href="classarmnn_1_1profiling_1_1_profiling_state_machine.xhtml#ad8d263669817cf577760710ff6c96bb9">GetCurrentState</a>();</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">switch</span> (currentState)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">case</span> <a class="code" href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a962074a9de1cf3d6d7b6f955a0a94820">ProfilingState::Uninitialised</a>:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">case</span> <a class="code" href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a4075072d219e061ca0f3124f8fbef463">ProfilingState::NotConnected</a>:</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">case</span> <a class="code" href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a1dc1edc76d5b3c0325f00002f4c841f5">ProfilingState::WaitingForAck</a>:</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.xhtml">RuntimeException</a>(boost::str(boost::format(<span class="stringliteral">"Periodic Counter Selection Command Handler invoked while in "</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="stringliteral">"an wrong state: %1%"</span>)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  % <a class="code" href="namespacearmnn_1_1profiling.xhtml#aa6851e58c103f77fcf83b722b4b81e9d">GetProfilingStateName</a>(currentState)));</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">case</span> <a class="code" href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a4d3d769b812b6faa6b76e1a8abaece2d">ProfilingState::Active</a>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Process the packet</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (!(packet.<a class="code" href="classarmnn_1_1profiling_1_1_packet.xhtml#ab232ac74b80987179d2b185a7a495fa6">GetPacketFamily</a>() == 0u && packet.<a class="code" href="classarmnn_1_1profiling_1_1_packet.xhtml#a17b980d48f35a31c27a227e8ceae5402">GetPacketId</a>() == 4u))</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_invalid_argument_exception.xhtml">armnn::InvalidArgumentException</a>(boost::str(boost::format(<span class="stringliteral">"Expected Packet family = 0, id = 4 but "</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="stringliteral">"received family = %1%, id = %2%"</span>)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  % packet.<a class="code" href="classarmnn_1_1profiling_1_1_packet.xhtml#ab232ac74b80987179d2b185a7a495fa6">GetPacketFamily</a>()</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  % packet.<a class="code" href="classarmnn_1_1profiling_1_1_packet.xhtml#a17b980d48f35a31c27a227e8ceae5402">GetPacketId</a>()));</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Parse the packet to get the capture period and counter UIDs</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classarmnn_1_1profiling_1_1_capture_data.xhtml">CaptureData</a> captureData;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ParseData(packet, captureData);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// Get the capture data</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  uint32_t capturePeriod = captureData.<a class="code" href="classarmnn_1_1profiling_1_1_capture_data.xhtml#a8386da56facf23364a6005a4769bf962">GetCapturePeriod</a>();</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Validate that the capture period is within the acceptable range.</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (capturePeriod > 0 && capturePeriod < <a class="code" href="namespacearmnn.xhtml#a602ddc6408c3347ba4c1eba623003984">LOWEST_CAPTURE_PERIOD</a>)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  capturePeriod = <a class="code" href="namespacearmnn.xhtml#a602ddc6408c3347ba4c1eba623003984">LOWEST_CAPTURE_PERIOD</a>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> std::vector<uint16_t>& counterIds = captureData.<a class="code" href="classarmnn_1_1profiling_1_1_capture_data.xhtml#a47fc9ce6c654658dfeb9f8ed2071885e">GetCounterIds</a>();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Check whether the selected counter UIDs are valid</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  std::vector<uint16_t> validCounterIds;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">for</span> (uint16_t counterId : counterIds)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Check whether the counter is registered</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (!m_ReadCounterValues.<a class="code" href="classarmnn_1_1profiling_1_1_i_read_counter_values.xhtml#a0e2c96a05cefc72d60f5a35692a4a928">IsCounterRegistered</a>(counterId))</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// Invalid counter UID, ignore it and continue</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// The counter is valid</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  validCounterIds.emplace_back(counterId);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  std::sort(validCounterIds.begin(), validCounterIds.end());</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">auto</span> backendIdStart = std::find_if(validCounterIds.begin(), validCounterIds.end(), [&](uint16_t& counterId)</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> counterId > m_MaxArmCounterId;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  });</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  std::set<armnn::BackendId> activeBackends;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  std::set<uint16_t> backendCounterIds = std::set<uint16_t>(backendIdStart, validCounterIds.end());</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (m_BackendCounterMap.size() != 0)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::set<uint16_t> newCounterIds;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::set<uint16_t> unusedCounterIds;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Get any backend counter ids that is in backendCounterIds but not in m_PrevBackendCounterIds</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::set_difference(backendCounterIds.begin(), backendCounterIds.end(),</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  m_PrevBackendCounterIds.begin(), m_PrevBackendCounterIds.end(),</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::inserter(newCounterIds, newCounterIds.begin()));</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Get any backend counter ids that is in m_PrevBackendCounterIds but not in backendCounterIds</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::set_difference(m_PrevBackendCounterIds.begin(), m_PrevBackendCounterIds.end(),</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  backendCounterIds.begin(), backendCounterIds.end(),</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::inserter(unusedCounterIds, unusedCounterIds.begin()));</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  activeBackends = ProcessBackendCounterIds(capturePeriod, newCounterIds, unusedCounterIds);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  activeBackends = ProcessBackendCounterIds(capturePeriod, backendCounterIds, {});</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// save the new backend counter ids for next time</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  m_PrevBackendCounterIds = backendCounterIds;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Set the capture data with only the valid armnn counter UIDs</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  m_CaptureDataHolder.<a class="code" href="classarmnn_1_1profiling_1_1_holder.xhtml#ae904af7c6336ceeeb95ab8435047c7cb">SetCaptureData</a>(capturePeriod, {validCounterIds.begin(), backendIdStart}, activeBackends);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Echo back the Periodic Counter Selection packet to the Counter Stream Buffer</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  m_SendCounterPacket.<a class="code" href="classarmnn_1_1profiling_1_1_i_send_counter_packet.xhtml#a6435f063192414c6dc68ef2f31628a5c">SendPeriodicCounterSelectionPacket</a>(capturePeriod, validCounterIds);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (capturePeriod == 0 || validCounterIds.empty())</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// No data capture stop the thread</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  m_PeriodicCounterCapture.<a class="code" href="classarmnn_1_1profiling_1_1_i_periodic_counter_capture.xhtml#a4d7bebcc22c1b09cf961b83bf84033b6">Stop</a>();</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Start the Period Counter Capture thread (if not running already)</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  m_PeriodicCounterCapture.<a class="code" href="classarmnn_1_1profiling_1_1_i_periodic_counter_capture.xhtml#a63ce9b9c6710c0dae98f88d6c602313a">Start</a>();</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">throw</span> <a class="code" href="classarmnn_1_1_runtime_exception.xhtml">RuntimeException</a>(boost::str(boost::format(<span class="stringliteral">"Unknown profiling service state: %1%"</span>)</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  % static_cast<int>(currentState)));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> std::set<armnn::BackendId> PeriodicCounterSelectionCommandHandler::ProcessBackendCounterIds(</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">const</span> u_int32_t capturePeriod,</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  std::set<uint16_t> newCounterIds,</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::set<uint16_t> unusedCounterIds)</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  std::set<armnn::BackendId> changedBackends;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  std::set<armnn::BackendId> activeBackends = m_CaptureDataHolder.<a class="code" href="classarmnn_1_1profiling_1_1_holder.xhtml#a95c8634416821480a8140c87054718f6">GetCaptureData</a>().<a class="code" href="classarmnn_1_1profiling_1_1_capture_data.xhtml#ae2a1f8f8ed6bb8676cdf908e1f22e5e7">GetActiveBackends</a>();</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">for</span> (uint16_t counterId : newCounterIds)</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">auto</span> backendId = m_CounterIdMap.<a class="code" href="classarmnn_1_1profiling_1_1_i_counter_mappings.xhtml#a8c03a58ac20b34e541bad78df16859e8">GetBackendId</a>(counterId);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  m_BackendCounterMap[backendId.second].emplace_back(backendId.first);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  changedBackends.insert(backendId.second);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// Add any new backends to active backends</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  activeBackends.insert(changedBackends.begin(), changedBackends.end());</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">for</span> (uint16_t counterId : unusedCounterIds)</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">auto</span> backendId = m_CounterIdMap.<a class="code" href="classarmnn_1_1profiling_1_1_i_counter_mappings.xhtml#a8c03a58ac20b34e541bad78df16859e8">GetBackendId</a>(counterId);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  std::vector<uint16_t>& backendCounters = m_BackendCounterMap[backendId.second];</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  backendCounters.erase(std::remove(backendCounters.begin(), backendCounters.end(), backendId.first));</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span>(backendCounters.size() == 0)</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// If a backend has no counters associated with it we remove it from active backends and</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// send a capture period of zero with an empty vector, this will deactivate all the backends counters</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  activeBackends.erase(backendId.second);</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  ActivateBackedCounters(backendId.second, 0, {});</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  changedBackends.insert(backendId.second);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// If the capture period remains the same we only need to update the backends who's counters have changed</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span>(capturePeriod == m_PrevCapturePeriod)</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> backend : changedBackends)</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  ActivateBackedCounters(backend, capturePeriod, m_BackendCounterMap[backend]);</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// Otherwise update all the backends with the new capture period and any new/unused counters</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> backend : m_BackendCounterMap)</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  ActivateBackedCounters(backend.first, capturePeriod, backend.second);</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span>(capturePeriod == 0)</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  {</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  activeBackends = {};</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  m_PrevCapturePeriod = capturePeriod;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> activeBackends;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> } <span class="comment">// namespace profiling</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> } <span class="comment">// namespace armnn</span></div><div class="ttc" id="classarmnn_1_1profiling_1_1_profiling_state_machine_xhtml_ad8d263669817cf577760710ff6c96bb9"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_profiling_state_machine.xhtml#ad8d263669817cf577760710ff6c96bb9">armnn::profiling::ProfilingStateMachine::GetCurrentState</a></div><div class="ttdeci">ProfilingState GetCurrentState() const</div><div class="ttdef"><b>Definition:</b> <a href="_profiling_state_machine_8cpp_source.xhtml#l00031">ProfilingStateMachine.cpp:31</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_i_periodic_counter_capture_xhtml_a63ce9b9c6710c0dae98f88d6c602313a"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_periodic_counter_capture.xhtml#a63ce9b9c6710c0dae98f88d6c602313a">armnn::profiling::IPeriodicCounterCapture::Start</a></div><div class="ttdeci">virtual void Start()=0</div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_capture_data_xhtml_ae2a1f8f8ed6bb8676cdf908e1f22e5e7"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_capture_data.xhtml#ae2a1f8f8ed6bb8676cdf908e1f22e5e7">armnn::profiling::CaptureData::GetActiveBackends</a></div><div class="ttdeci">const std::set< armnn::BackendId > & GetActiveBackends() const</div><div class="ttdef"><b>Definition:</b> <a href="_holder_8cpp_source.xhtml#l00039">Holder.cpp:39</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_capture_data_xhtml_a47fc9ce6c654658dfeb9f8ed2071885e"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_capture_data.xhtml#a47fc9ce6c654658dfeb9f8ed2071885e">armnn::profiling::CaptureData::GetCounterIds</a></div><div class="ttdeci">const std::vector< uint16_t > & GetCounterIds() const</div><div class="ttdef"><b>Definition:</b> <a href="_holder_8cpp_source.xhtml#l00049">Holder.cpp:49</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_i_send_counter_packet_xhtml_a6435f063192414c6dc68ef2f31628a5c"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_send_counter_packet.xhtml#a6435f063192414c6dc68ef2f31628a5c">armnn::profiling::ISendCounterPacket::SendPeriodicCounterSelectionPacket</a></div><div class="ttdeci">virtual void SendPeriodicCounterSelectionPacket(uint32_t capturePeriod, const std::vector< uint16_t > &selectedCounterIds)=0</div><div class="ttdoc">Create and write a PeriodicCounterSelectionPacket from the parameters to the buffer. </div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_periodic_counter_selection_command_handler_xhtml_a0a4b0531c573c4474c241b778c5f5897"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_periodic_counter_selection_command_handler.xhtml#a0a4b0531c573c4474c241b778c5f5897">armnn::profiling::PeriodicCounterSelectionCommandHandler::operator()</a></div><div class="ttdeci">void operator()(const Packet &packet) override</div><div class="ttdef"><b>Definition:</b> <a href="_periodic_counter_selection_command_handler_8cpp_source.xhtml#l00059">PeriodicCounterSelectionCommandHandler.cpp:59</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_capture_data_xhtml"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_capture_data.xhtml">armnn::profiling::CaptureData</a></div><div class="ttdef"><b>Definition:</b> <a href="_holder_8hpp_source.xhtml#l00019">Holder.hpp:19</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_a0ffb94cb0085a54a92f1c4eeaa6cf772"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#a0ffb94cb0085a54a92f1c4eeaa6cf772">armnn::profiling::ReadUint16</a></div><div class="ttdeci">uint16_t ReadUint16(const IPacketBufferPtr &packetBuffer, unsigned int offset)</div><div class="ttdef"><b>Definition:</b> <a href="_profiling_utils_8cpp_source.xhtml#l00211">ProfilingUtils.cpp:211</a></div></div>
+<div class="ttc" id="namespacearmnn_xhtml"><div class="ttname"><a href="namespacearmnn.xhtml">armnn</a></div><div class="ttdoc">Copyright (c) 2020 ARM Limited. </div><div class="ttdef"><b>Definition:</b> <a href="00__introduction_8dox_source.xhtml#l00025">00_introduction.dox:25</a></div></div>
+<div class="ttc" id="_periodic_counter_selection_command_handler_8hpp_xhtml"><div class="ttname"><a href="_periodic_counter_selection_command_handler_8hpp.xhtml">PeriodicCounterSelectionCommandHandler.hpp</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_packet_xhtml_ab232ac74b80987179d2b185a7a495fa6"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_packet.xhtml#ab232ac74b80987179d2b185a7a495fa6">armnn::profiling::Packet::GetPacketFamily</a></div><div class="ttdeci">uint32_t GetPacketFamily() const</div><div class="ttdef"><b>Definition:</b> <a href="_packet_8hpp_source.xhtml#l00070">Packet.hpp:70</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_acb0c054138599582d5a5f537e9798806a4075072d219e061ca0f3124f8fbef463"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a4075072d219e061ca0f3124f8fbef463">armnn::profiling::ProfilingState::NotConnected</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_capture_data_xhtml_a8386da56facf23364a6005a4769bf962"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_capture_data.xhtml#a8386da56facf23364a6005a4769bf962">armnn::profiling::CaptureData::GetCapturePeriod</a></div><div class="ttdeci">uint32_t GetCapturePeriod() const</div><div class="ttdef"><b>Definition:</b> <a href="_holder_8cpp_source.xhtml#l00044">Holder.cpp:44</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_acb0c054138599582d5a5f537e9798806a4d3d769b812b6faa6b76e1a8abaece2d"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a4d3d769b812b6faa6b76e1a8abaece2d">armnn::profiling::ProfilingState::Active</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_holder_xhtml_a95c8634416821480a8140c87054718f6"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_holder.xhtml#a95c8634416821480a8140c87054718f6">armnn::profiling::Holder::GetCaptureData</a></div><div class="ttdeci">CaptureData GetCaptureData() const</div><div class="ttdef"><b>Definition:</b> <a href="_holder_8cpp_source.xhtml#l00054">Holder.cpp:54</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_holder_xhtml_ae904af7c6336ceeeb95ab8435047c7cb"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_holder.xhtml#ae904af7c6336ceeeb95ab8435047c7cb">armnn::profiling::Holder::SetCaptureData</a></div><div class="ttdeci">void SetCaptureData(uint32_t capturePeriod, const std::vector< uint16_t > &counterIds, const std::set< armnn::BackendId > &activeBackends)</div><div class="ttdef"><b>Definition:</b> <a href="_holder_8cpp_source.xhtml#l00074">Holder.cpp:74</a></div></div>
+<div class="ttc" id="_types_8hpp_xhtml"><div class="ttname"><a href="_types_8hpp.xhtml">Types.hpp</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_i_periodic_counter_capture_xhtml_a4d7bebcc22c1b09cf961b83bf84033b6"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_periodic_counter_capture.xhtml#a4d7bebcc22c1b09cf961b83bf84033b6">armnn::profiling::IPeriodicCounterCapture::Stop</a></div><div class="ttdeci">virtual void Stop()=0</div></div>
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+<div class="ttc" id="namespacearmnn_xhtml_a37fa39012e90d568df7f774cd6d1e956"><div class="ttname"><a href="namespacearmnn.xhtml#a37fa39012e90d568df7f774cd6d1e956">armnn::numeric_cast</a></div><div class="ttdeci">std::enable_if_t< std::is_unsigned< Source >::value &&std::is_unsigned< Dest >::value, Dest > numeric_cast(Source source)</div><div class="ttdef"><b>Definition:</b> <a href="_numeric_cast_8hpp_source.xhtml#l00033">NumericCast.hpp:33</a></div></div>
+<div class="ttc" id="namespacearmnn_xhtml_a602ddc6408c3347ba4c1eba623003984"><div class="ttname"><a href="namespacearmnn.xhtml#a602ddc6408c3347ba4c1eba623003984">armnn::LOWEST_CAPTURE_PERIOD</a></div><div class="ttdeci">constexpr unsigned int LOWEST_CAPTURE_PERIOD</div><div class="ttdoc">The lowest performance data capture interval we support is 10 miliseconds. </div><div class="ttdef"><b>Definition:</b> <a href="_types_8hpp_source.xhtml#l00021">Types.hpp:21</a></div></div>
+<div class="ttc" id="classarmnn_1_1_runtime_exception_xhtml"><div class="ttname"><a href="classarmnn_1_1_runtime_exception.xhtml">armnn::RuntimeException</a></div><div class="ttdef"><b>Definition:</b> <a href="_exceptions_8hpp_source.xhtml#l00120">Exceptions.hpp:120</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_i_read_counter_values_xhtml_a0e2c96a05cefc72d60f5a35692a4a928"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_read_counter_values.xhtml#a0e2c96a05cefc72d60f5a35692a4a928">armnn::profiling::IReadCounterValues::IsCounterRegistered</a></div><div class="ttdeci">virtual bool IsCounterRegistered(uint16_t counterUid) const =0</div></div>
+<div class="ttc" id="classarmnn_1_1_invalid_argument_exception_xhtml"><div class="ttname"><a href="classarmnn_1_1_invalid_argument_exception.xhtml">armnn::InvalidArgumentException</a></div><div class="ttdef"><b>Definition:</b> <a href="_exceptions_8hpp_source.xhtml#l00080">Exceptions.hpp:80</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_acb0c054138599582d5a5f537e9798806a1dc1edc76d5b3c0325f00002f4c841f5"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a1dc1edc76d5b3c0325f00002f4c841f5">armnn::profiling::ProfilingState::WaitingForAck</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_ad56f4c3ea5e88279bb6ef1f31d9dc6df"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#ad56f4c3ea5e88279bb6ef1f31d9dc6df">armnn::profiling::ReadUint32</a></div><div class="ttdeci">uint32_t ReadUint32(const IPacketBufferPtr &packetBuffer, unsigned int offset)</div><div class="ttdef"><b>Definition:</b> <a href="_profiling_utils_8cpp_source.xhtml#l00204">ProfilingUtils.cpp:204</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_acb0c054138599582d5a5f537e9798806a962074a9de1cf3d6d7b6f955a0a94820"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806a962074a9de1cf3d6d7b6f955a0a94820">armnn::profiling::ProfilingState::Uninitialised</a></div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_acb0c054138599582d5a5f537e9798806"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#acb0c054138599582d5a5f537e9798806">armnn::profiling::ProfilingState</a></div><div class="ttdeci">ProfilingState</div><div class="ttdef"><b>Definition:</b> <a href="_profiling_state_machine_8hpp_source.xhtml#l00018">ProfilingStateMachine.hpp:18</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_packet_xhtml_a17b980d48f35a31c27a227e8ceae5402"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_packet.xhtml#a17b980d48f35a31c27a227e8ceae5402">armnn::profiling::Packet::GetPacketId</a></div><div class="ttdeci">uint32_t GetPacketId() const</div><div class="ttdef"><b>Definition:</b> <a href="_packet_8hpp_source.xhtml#l00071">Packet.hpp:71</a></div></div>
+<div class="ttc" id="classarmnn_1_1profiling_1_1_i_counter_mappings_xhtml_a8c03a58ac20b34e541bad78df16859e8"><div class="ttname"><a href="classarmnn_1_1profiling_1_1_i_counter_mappings.xhtml#a8c03a58ac20b34e541bad78df16859e8">armnn::profiling::ICounterMappings::GetBackendId</a></div><div class="ttdeci">virtual const std::pair< uint16_t, armnn::BackendId > & GetBackendId(uint16_t globalCounterId) const =0</div></div>
+<div class="ttc" id="namespacearmnn_1_1profiling_xhtml_aa6851e58c103f77fcf83b722b4b81e9d"><div class="ttname"><a href="namespacearmnn_1_1profiling.xhtml#aa6851e58c103f77fcf83b722b4b81e9d">armnn::profiling::GetProfilingStateName</a></div><div class="ttdeci">constexpr char const * GetProfilingStateName(ProfilingState state)</div><div class="ttdef"><b>Definition:</b> <a href="_profiling_state_machine_8hpp_source.xhtml#l00059">ProfilingStateMachine.hpp:59</a></div></div>
+<div class="ttc" id="_profiling_utils_8hpp_xhtml"><div class="ttname"><a href="_profiling_utils_8hpp.xhtml">ProfilingUtils.hpp</a></div></div>
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