| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `xtask/src/metrics.rs`."><title>metrics.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-1a91846b.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="xtask" data-themes="" data-resource-suffix="" data-rustdoc-version="1.88.0 (6b00bc388 2025-06-23)" data-channel="1.88.0" data-search-js="search-f7877310.js" data-settings-js="settings-5514c975.js" ><script src="../../static.files/storage-4e99c027.js"></script><script defer src="../../static.files/src-script-63605ae7.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-7ef8a74a.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">xtask/</div>metrics.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">use </span>std::{ |
| <a href=#2 id=2 data-nosnippet>2</a> collections::BTreeMap, |
| <a href=#3 id=3 data-nosnippet>3</a> fs, |
| <a href=#4 id=4 data-nosnippet>4</a> io::Write <span class="kw">as _</span>, |
| <a href=#5 id=5 data-nosnippet>5</a> path::Path, |
| <a href=#6 id=6 data-nosnippet>6</a> time::{Instant, SystemTime, UNIX_EPOCH}, |
| <a href=#7 id=7 data-nosnippet>7</a>}; |
| <a href=#8 id=8 data-nosnippet>8</a> |
| <a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>anyhow::format_err; |
| <a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>xshell::{Shell, cmd}; |
| <a href=#11 id=11 data-nosnippet>11</a> |
| <a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span><span class="kw">crate</span>::flags::{<span class="self">self</span>, MeasurementType}; |
| <a href=#13 id=13 data-nosnippet>13</a> |
| <a href=#14 id=14 data-nosnippet>14</a><span class="kw">type </span>Unit = String; |
| <a href=#15 id=15 data-nosnippet>15</a> |
| <a href=#16 id=16 data-nosnippet>16</a><span class="kw">impl </span>flags::Metrics { |
| <a href=#17 id=17 data-nosnippet>17</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>run(<span class="self">self</span>, sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<()> { |
| <a href=#18 id=18 data-nosnippet>18</a> <span class="kw">let </span><span class="kw-2">mut </span>metrics = Metrics::new(sh)<span class="question-mark">?</span>; |
| <a href=#19 id=19 data-nosnippet>19</a> <span class="kw">if </span>!Path::new(<span class="string">"./target/rustc-perf"</span>).exists() { |
| <a href=#20 id=20 data-nosnippet>20</a> sh.create_dir(<span class="string">"./target/rustc-perf"</span>)<span class="question-mark">?</span>; |
| <a href=#21 id=21 data-nosnippet>21</a> <span class="macro">cmd!</span>(sh, <span class="string">"git clone https://github.com/rust-lang/rustc-perf.git ./target/rustc-perf"</span>) |
| <a href=#22 id=22 data-nosnippet>22</a> .run()<span class="question-mark">?</span>; |
| <a href=#23 id=23 data-nosnippet>23</a> } |
| <a href=#24 id=24 data-nosnippet>24</a> { |
| <a href=#25 id=25 data-nosnippet>25</a> <span class="kw">let </span>_d = sh.push_dir(<span class="string">"./target/rustc-perf"</span>); |
| <a href=#26 id=26 data-nosnippet>26</a> <span class="kw">let </span>revision = <span class="kw-2">&</span>metrics.perf_revision; |
| <a href=#27 id=27 data-nosnippet>27</a> <span class="macro">cmd!</span>(sh, <span class="string">"git reset --hard {revision}"</span>).run()<span class="question-mark">?</span>; |
| <a href=#28 id=28 data-nosnippet>28</a> } |
| <a href=#29 id=29 data-nosnippet>29</a> |
| <a href=#30 id=30 data-nosnippet>30</a> <span class="kw">let </span>_env = sh.push_env(<span class="string">"RA_METRICS"</span>, <span class="string">"1"</span>); |
| <a href=#31 id=31 data-nosnippet>31</a> |
| <a href=#32 id=32 data-nosnippet>32</a> <span class="kw">let </span>name = <span class="kw">match </span><span class="kw-2">&</span><span class="self">self</span>.measurement_type { |
| <a href=#33 id=33 data-nosnippet>33</a> <span class="prelude-val">Some</span>(ms) => { |
| <a href=#34 id=34 data-nosnippet>34</a> <span class="kw">let </span>name = ms.as_ref(); |
| <a href=#35 id=35 data-nosnippet>35</a> <span class="kw">match </span>ms { |
| <a href=#36 id=36 data-nosnippet>36</a> MeasurementType::Build => { |
| <a href=#37 id=37 data-nosnippet>37</a> metrics.measure_build(sh)<span class="question-mark">?</span>; |
| <a href=#38 id=38 data-nosnippet>38</a> } |
| <a href=#39 id=39 data-nosnippet>39</a> MeasurementType::RustcTests => { |
| <a href=#40 id=40 data-nosnippet>40</a> metrics.measure_rustc_tests(sh)<span class="question-mark">?</span>; |
| <a href=#41 id=41 data-nosnippet>41</a> } |
| <a href=#42 id=42 data-nosnippet>42</a> MeasurementType::AnalyzeSelf => { |
| <a href=#43 id=43 data-nosnippet>43</a> metrics.measure_analysis_stats_self(sh)<span class="question-mark">?</span>; |
| <a href=#44 id=44 data-nosnippet>44</a> } |
| <a href=#45 id=45 data-nosnippet>45</a> MeasurementType::AnalyzeRipgrep |
| <a href=#46 id=46 data-nosnippet>46</a> | MeasurementType::AnalyzeWebRender |
| <a href=#47 id=47 data-nosnippet>47</a> | MeasurementType::AnalyzeDiesel |
| <a href=#48 id=48 data-nosnippet>48</a> | MeasurementType::AnalyzeHyper => { |
| <a href=#49 id=49 data-nosnippet>49</a> metrics.measure_analysis_stats(sh, name)<span class="question-mark">?</span>; |
| <a href=#50 id=50 data-nosnippet>50</a> } |
| <a href=#51 id=51 data-nosnippet>51</a> }; |
| <a href=#52 id=52 data-nosnippet>52</a> name |
| <a href=#53 id=53 data-nosnippet>53</a> } |
| <a href=#54 id=54 data-nosnippet>54</a> <span class="prelude-val">None </span>=> { |
| <a href=#55 id=55 data-nosnippet>55</a> metrics.measure_build(sh)<span class="question-mark">?</span>; |
| <a href=#56 id=56 data-nosnippet>56</a> metrics.measure_rustc_tests(sh)<span class="question-mark">?</span>; |
| <a href=#57 id=57 data-nosnippet>57</a> metrics.measure_analysis_stats_self(sh)<span class="question-mark">?</span>; |
| <a href=#58 id=58 data-nosnippet>58</a> metrics.measure_analysis_stats(sh, MeasurementType::AnalyzeRipgrep.as_ref())<span class="question-mark">?</span>; |
| <a href=#59 id=59 data-nosnippet>59</a> metrics.measure_analysis_stats(sh, MeasurementType::AnalyzeWebRender.as_ref())<span class="question-mark">?</span>; |
| <a href=#60 id=60 data-nosnippet>60</a> metrics.measure_analysis_stats(sh, MeasurementType::AnalyzeDiesel.as_ref())<span class="question-mark">?</span>; |
| <a href=#61 id=61 data-nosnippet>61</a> metrics.measure_analysis_stats(sh, MeasurementType::AnalyzeHyper.as_ref())<span class="question-mark">?</span>; |
| <a href=#62 id=62 data-nosnippet>62</a> <span class="string">"all" |
| <a href=#63 id=63 data-nosnippet>63</a> </span>} |
| <a href=#64 id=64 data-nosnippet>64</a> }; |
| <a href=#65 id=65 data-nosnippet>65</a> |
| <a href=#66 id=66 data-nosnippet>66</a> <span class="kw">let </span><span class="kw-2">mut </span>file = |
| <a href=#67 id=67 data-nosnippet>67</a> fs::File::options().write(<span class="bool-val">true</span>).create(<span class="bool-val">true</span>).open(<span class="macro">format!</span>(<span class="string">"target/{name}.json"</span>))<span class="question-mark">?</span>; |
| <a href=#68 id=68 data-nosnippet>68</a> <span class="macro">writeln!</span>(file, <span class="string">"{}"</span>, metrics.json())<span class="question-mark">?</span>; |
| <a href=#69 id=69 data-nosnippet>69</a> <span class="macro">eprintln!</span>(<span class="string">"{metrics:#?}"</span>); |
| <a href=#70 id=70 data-nosnippet>70</a> <span class="prelude-val">Ok</span>(()) |
| <a href=#71 id=71 data-nosnippet>71</a> } |
| <a href=#72 id=72 data-nosnippet>72</a>} |
| <a href=#73 id=73 data-nosnippet>73</a> |
| <a href=#74 id=74 data-nosnippet>74</a><span class="kw">impl </span>Metrics { |
| <a href=#75 id=75 data-nosnippet>75</a> <span class="kw">fn </span>measure_build(<span class="kw-2">&mut </span><span class="self">self</span>, sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<()> { |
| <a href=#76 id=76 data-nosnippet>76</a> <span class="macro">eprintln!</span>(<span class="string">"\nMeasuring build"</span>); |
| <a href=#77 id=77 data-nosnippet>77</a> <span class="macro">cmd!</span>(sh, <span class="string">"cargo fetch"</span>).run()<span class="question-mark">?</span>; |
| <a href=#78 id=78 data-nosnippet>78</a> |
| <a href=#79 id=79 data-nosnippet>79</a> <span class="kw">let </span>time = Instant::now(); |
| <a href=#80 id=80 data-nosnippet>80</a> <span class="macro">cmd!</span>(sh, <span class="string">"cargo build --release --package rust-analyzer --bin rust-analyzer"</span>).run()<span class="question-mark">?</span>; |
| <a href=#81 id=81 data-nosnippet>81</a> <span class="kw">let </span>time = time.elapsed(); |
| <a href=#82 id=82 data-nosnippet>82</a> <span class="self">self</span>.report(<span class="string">"build"</span>, time.as_millis() <span class="kw">as </span>u64, <span class="string">"ms"</span>.into()); |
| <a href=#83 id=83 data-nosnippet>83</a> <span class="prelude-val">Ok</span>(()) |
| <a href=#84 id=84 data-nosnippet>84</a> } |
| <a href=#85 id=85 data-nosnippet>85</a> |
| <a href=#86 id=86 data-nosnippet>86</a> <span class="kw">fn </span>measure_rustc_tests(<span class="kw-2">&mut </span><span class="self">self</span>, sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<()> { |
| <a href=#87 id=87 data-nosnippet>87</a> <span class="macro">eprintln!</span>(<span class="string">"\nMeasuring rustc tests"</span>); |
| <a href=#88 id=88 data-nosnippet>88</a> |
| <a href=#89 id=89 data-nosnippet>89</a> <span class="macro">cmd!</span>( |
| <a href=#90 id=90 data-nosnippet>90</a> sh, |
| <a href=#91 id=91 data-nosnippet>91</a> <span class="string">"git clone --depth=1 --branch 1.76.0 https://github.com/rust-lang/rust.git --single-branch" |
| <a href=#92 id=92 data-nosnippet>92</a> </span>) |
| <a href=#93 id=93 data-nosnippet>93</a> .run()<span class="question-mark">?</span>; |
| <a href=#94 id=94 data-nosnippet>94</a> |
| <a href=#95 id=95 data-nosnippet>95</a> <span class="kw">let </span>output = <span class="macro">cmd!</span>(sh, <span class="string">"./target/release/rust-analyzer rustc-tests ./rust"</span>).read()<span class="question-mark">?</span>; |
| <a href=#96 id=96 data-nosnippet>96</a> <span class="kw">for </span>(metric, value, unit) <span class="kw">in </span>parse_metrics(<span class="kw-2">&</span>output) { |
| <a href=#97 id=97 data-nosnippet>97</a> <span class="self">self</span>.report(metric, value, unit.into()); |
| <a href=#98 id=98 data-nosnippet>98</a> } |
| <a href=#99 id=99 data-nosnippet>99</a> <span class="prelude-val">Ok</span>(()) |
| <a href=#100 id=100 data-nosnippet>100</a> } |
| <a href=#101 id=101 data-nosnippet>101</a> |
| <a href=#102 id=102 data-nosnippet>102</a> <span class="kw">fn </span>measure_analysis_stats_self(<span class="kw-2">&mut </span><span class="self">self</span>, sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<()> { |
| <a href=#103 id=103 data-nosnippet>103</a> <span class="self">self</span>.measure_analysis_stats_path(sh, <span class="string">"self"</span>, <span class="string">"."</span>) |
| <a href=#104 id=104 data-nosnippet>104</a> } |
| <a href=#105 id=105 data-nosnippet>105</a> <span class="kw">fn </span>measure_analysis_stats(<span class="kw-2">&mut </span><span class="self">self</span>, sh: <span class="kw-2">&</span>Shell, bench: <span class="kw-2">&</span>str) -> anyhow::Result<()> { |
| <a href=#106 id=106 data-nosnippet>106</a> <span class="self">self</span>.measure_analysis_stats_path( |
| <a href=#107 id=107 data-nosnippet>107</a> sh, |
| <a href=#108 id=108 data-nosnippet>108</a> bench, |
| <a href=#109 id=109 data-nosnippet>109</a> <span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"./target/rustc-perf/collector/compile-benchmarks/{bench}"</span>), |
| <a href=#110 id=110 data-nosnippet>110</a> ) |
| <a href=#111 id=111 data-nosnippet>111</a> } |
| <a href=#112 id=112 data-nosnippet>112</a> <span class="kw">fn </span>measure_analysis_stats_path( |
| <a href=#113 id=113 data-nosnippet>113</a> <span class="kw-2">&mut </span><span class="self">self</span>, |
| <a href=#114 id=114 data-nosnippet>114</a> sh: <span class="kw-2">&</span>Shell, |
| <a href=#115 id=115 data-nosnippet>115</a> name: <span class="kw-2">&</span>str, |
| <a href=#116 id=116 data-nosnippet>116</a> path: <span class="kw-2">&</span>str, |
| <a href=#117 id=117 data-nosnippet>117</a> ) -> anyhow::Result<()> { |
| <a href=#118 id=118 data-nosnippet>118</a> <span class="macro">assert!</span>(Path::new(path).exists(), <span class="string">"unable to find bench in {path}"</span>); |
| <a href=#119 id=119 data-nosnippet>119</a> <span class="macro">eprintln!</span>(<span class="string">"\nMeasuring analysis-stats/{name}"</span>); |
| <a href=#120 id=120 data-nosnippet>120</a> <span class="kw">let </span>output = <span class="macro">cmd!</span>(sh, <span class="string">"./target/release/rust-analyzer -q analysis-stats {path}"</span>).read()<span class="question-mark">?</span>; |
| <a href=#121 id=121 data-nosnippet>121</a> <span class="kw">for </span>(metric, value, unit) <span class="kw">in </span>parse_metrics(<span class="kw-2">&</span>output) { |
| <a href=#122 id=122 data-nosnippet>122</a> <span class="self">self</span>.report(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"analysis-stats/{name}/{metric}"</span>), value, unit.into()); |
| <a href=#123 id=123 data-nosnippet>123</a> } |
| <a href=#124 id=124 data-nosnippet>124</a> <span class="prelude-val">Ok</span>(()) |
| <a href=#125 id=125 data-nosnippet>125</a> } |
| <a href=#126 id=126 data-nosnippet>126</a>} |
| <a href=#127 id=127 data-nosnippet>127</a> |
| <a href=#128 id=128 data-nosnippet>128</a><span class="kw">fn </span>parse_metrics(output: <span class="kw-2">&</span>str) -> Vec<(<span class="kw-2">&</span>str, u64, <span class="kw-2">&</span>str)> { |
| <a href=#129 id=129 data-nosnippet>129</a> output |
| <a href=#130 id=130 data-nosnippet>130</a> .lines() |
| <a href=#131 id=131 data-nosnippet>131</a> .filter_map(|it| { |
| <a href=#132 id=132 data-nosnippet>132</a> <span class="kw">let </span>entry = it.split(<span class="string">':'</span>).collect::<Vec<<span class="kw">_</span>>>(); |
| <a href=#133 id=133 data-nosnippet>133</a> <span class="kw">match </span>entry.as_slice() { |
| <a href=#134 id=134 data-nosnippet>134</a> [<span class="string">"METRIC"</span>, name, value, unit] => <span class="prelude-val">Some</span>((<span class="kw-2">*</span>name, value.parse().unwrap(), <span class="kw-2">*</span>unit)), |
| <a href=#135 id=135 data-nosnippet>135</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#136 id=136 data-nosnippet>136</a> } |
| <a href=#137 id=137 data-nosnippet>137</a> }) |
| <a href=#138 id=138 data-nosnippet>138</a> .collect() |
| <a href=#139 id=139 data-nosnippet>139</a>} |
| <a href=#140 id=140 data-nosnippet>140</a> |
| <a href=#141 id=141 data-nosnippet>141</a><span class="attr">#[derive(Debug)] |
| <a href=#142 id=142 data-nosnippet>142</a></span><span class="kw">struct </span>Metrics { |
| <a href=#143 id=143 data-nosnippet>143</a> host: Host, |
| <a href=#144 id=144 data-nosnippet>144</a> timestamp: SystemTime, |
| <a href=#145 id=145 data-nosnippet>145</a> revision: String, |
| <a href=#146 id=146 data-nosnippet>146</a> perf_revision: String, |
| <a href=#147 id=147 data-nosnippet>147</a> metrics: BTreeMap<String, (u64, Unit)>, |
| <a href=#148 id=148 data-nosnippet>148</a>} |
| <a href=#149 id=149 data-nosnippet>149</a> |
| <a href=#150 id=150 data-nosnippet>150</a><span class="attr">#[derive(Debug)] |
| <a href=#151 id=151 data-nosnippet>151</a></span><span class="kw">struct </span>Host { |
| <a href=#152 id=152 data-nosnippet>152</a> os: String, |
| <a href=#153 id=153 data-nosnippet>153</a> cpu: String, |
| <a href=#154 id=154 data-nosnippet>154</a> mem: String, |
| <a href=#155 id=155 data-nosnippet>155</a>} |
| <a href=#156 id=156 data-nosnippet>156</a> |
| <a href=#157 id=157 data-nosnippet>157</a><span class="kw">impl </span>Metrics { |
| <a href=#158 id=158 data-nosnippet>158</a> <span class="kw">fn </span>new(sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<Metrics> { |
| <a href=#159 id=159 data-nosnippet>159</a> <span class="kw">let </span>host = Host::new(sh)<span class="question-mark">?</span>; |
| <a href=#160 id=160 data-nosnippet>160</a> <span class="kw">let </span>timestamp = SystemTime::now(); |
| <a href=#161 id=161 data-nosnippet>161</a> <span class="kw">let </span>revision = <span class="macro">cmd!</span>(sh, <span class="string">"git rev-parse HEAD"</span>).read()<span class="question-mark">?</span>; |
| <a href=#162 id=162 data-nosnippet>162</a> <span class="kw">let </span>perf_revision = <span class="string">"a584462e145a0c04760fd9391daefb4f6bd13a99"</span>.into(); |
| <a href=#163 id=163 data-nosnippet>163</a> <span class="prelude-val">Ok</span>(Metrics { host, timestamp, revision, perf_revision, metrics: BTreeMap::new() }) |
| <a href=#164 id=164 data-nosnippet>164</a> } |
| <a href=#165 id=165 data-nosnippet>165</a> |
| <a href=#166 id=166 data-nosnippet>166</a> <span class="kw">fn </span>report(<span class="kw-2">&mut </span><span class="self">self</span>, name: <span class="kw-2">&</span>str, value: u64, unit: Unit) { |
| <a href=#167 id=167 data-nosnippet>167</a> <span class="self">self</span>.metrics.insert(name.into(), (value, unit)); |
| <a href=#168 id=168 data-nosnippet>168</a> } |
| <a href=#169 id=169 data-nosnippet>169</a> |
| <a href=#170 id=170 data-nosnippet>170</a> <span class="kw">fn </span>json(<span class="kw-2">&</span><span class="self">self</span>) -> String { |
| <a href=#171 id=171 data-nosnippet>171</a> <span class="kw">let </span><span class="kw-2">mut </span>buf = String::new(); |
| <a href=#172 id=172 data-nosnippet>172</a> <span class="self">self</span>.to_json(write_json::object(<span class="kw-2">&mut </span>buf)); |
| <a href=#173 id=173 data-nosnippet>173</a> buf |
| <a href=#174 id=174 data-nosnippet>174</a> } |
| <a href=#175 id=175 data-nosnippet>175</a> |
| <a href=#176 id=176 data-nosnippet>176</a> <span class="kw">fn </span>to_json(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut </span>obj: write_json::Object<<span class="lifetime">'_</span>>) { |
| <a href=#177 id=177 data-nosnippet>177</a> <span class="self">self</span>.host.to_json(obj.object(<span class="string">"host"</span>)); |
| <a href=#178 id=178 data-nosnippet>178</a> <span class="kw">let </span>timestamp = <span class="self">self</span>.timestamp.duration_since(UNIX_EPOCH).unwrap(); |
| <a href=#179 id=179 data-nosnippet>179</a> obj.number(<span class="string">"timestamp"</span>, timestamp.as_secs() <span class="kw">as </span>f64); |
| <a href=#180 id=180 data-nosnippet>180</a> obj.string(<span class="string">"revision"</span>, <span class="kw-2">&</span><span class="self">self</span>.revision); |
| <a href=#181 id=181 data-nosnippet>181</a> obj.string(<span class="string">"perf_revision"</span>, <span class="kw-2">&</span><span class="self">self</span>.perf_revision); |
| <a href=#182 id=182 data-nosnippet>182</a> <span class="kw">let </span><span class="kw-2">mut </span>metrics = obj.object(<span class="string">"metrics"</span>); |
| <a href=#183 id=183 data-nosnippet>183</a> <span class="kw">for </span>(k, (value, unit)) <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.metrics { |
| <a href=#184 id=184 data-nosnippet>184</a> metrics.array(k).number(<span class="kw-2">*</span>value <span class="kw">as </span>f64).string(unit); |
| <a href=#185 id=185 data-nosnippet>185</a> } |
| <a href=#186 id=186 data-nosnippet>186</a> } |
| <a href=#187 id=187 data-nosnippet>187</a>} |
| <a href=#188 id=188 data-nosnippet>188</a> |
| <a href=#189 id=189 data-nosnippet>189</a><span class="kw">impl </span>Host { |
| <a href=#190 id=190 data-nosnippet>190</a> <span class="kw">fn </span>new(sh: <span class="kw-2">&</span>Shell) -> anyhow::Result<Host> { |
| <a href=#191 id=191 data-nosnippet>191</a> <span class="kw">if </span><span class="macro">cfg!</span>(not(target_os = <span class="string">"linux"</span>)) { |
| <a href=#192 id=192 data-nosnippet>192</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(Host { os: <span class="string">"unknown"</span>.into(), cpu: <span class="string">"unknown"</span>.into(), mem: <span class="string">"unknown"</span>.into() }); |
| <a href=#193 id=193 data-nosnippet>193</a> } |
| <a href=#194 id=194 data-nosnippet>194</a> |
| <a href=#195 id=195 data-nosnippet>195</a> <span class="kw">let </span>os = read_field(sh, <span class="string">"/etc/os-release"</span>, <span class="string">"PRETTY_NAME="</span>)<span class="question-mark">?</span>.trim_matches(<span class="string">'"'</span>).to_owned(); |
| <a href=#196 id=196 data-nosnippet>196</a> |
| <a href=#197 id=197 data-nosnippet>197</a> <span class="kw">let </span>cpu = read_field(sh, <span class="string">"/proc/cpuinfo"</span>, <span class="string">"model name"</span>)<span class="question-mark">? |
| <a href=#198 id=198 data-nosnippet>198</a> </span>.trim_start_matches(<span class="string">':'</span>) |
| <a href=#199 id=199 data-nosnippet>199</a> .trim() |
| <a href=#200 id=200 data-nosnippet>200</a> .to_owned(); |
| <a href=#201 id=201 data-nosnippet>201</a> |
| <a href=#202 id=202 data-nosnippet>202</a> <span class="kw">let </span>mem = read_field(sh, <span class="string">"/proc/meminfo"</span>, <span class="string">"MemTotal:"</span>)<span class="question-mark">?</span>; |
| <a href=#203 id=203 data-nosnippet>203</a> |
| <a href=#204 id=204 data-nosnippet>204</a> <span class="kw">return </span><span class="prelude-val">Ok</span>(Host { os, cpu, mem }); |
| <a href=#205 id=205 data-nosnippet>205</a> |
| <a href=#206 id=206 data-nosnippet>206</a> <span class="kw">fn </span>read_field(sh: <span class="kw-2">&</span>Shell, path: <span class="kw-2">&</span>str, field: <span class="kw-2">&</span>str) -> anyhow::Result<String> { |
| <a href=#207 id=207 data-nosnippet>207</a> <span class="kw">let </span>text = sh.read_file(path)<span class="question-mark">?</span>; |
| <a href=#208 id=208 data-nosnippet>208</a> |
| <a href=#209 id=209 data-nosnippet>209</a> text.lines() |
| <a href=#210 id=210 data-nosnippet>210</a> .find_map(|it| it.strip_prefix(field)) |
| <a href=#211 id=211 data-nosnippet>211</a> .map(|it| it.trim().to_owned()) |
| <a href=#212 id=212 data-nosnippet>212</a> .ok_or_else(|| <span class="macro">format_err!</span>(<span class="string">"can't parse {}"</span>, path)) |
| <a href=#213 id=213 data-nosnippet>213</a> } |
| <a href=#214 id=214 data-nosnippet>214</a> } |
| <a href=#215 id=215 data-nosnippet>215</a> <span class="kw">fn </span>to_json(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut </span>obj: write_json::Object<<span class="lifetime">'_</span>>) { |
| <a href=#216 id=216 data-nosnippet>216</a> obj.string(<span class="string">"os"</span>, <span class="kw-2">&</span><span class="self">self</span>.os).string(<span class="string">"cpu"</span>, <span class="kw-2">&</span><span class="self">self</span>.cpu).string(<span class="string">"mem"</span>, <span class="kw-2">&</span><span class="self">self</span>.mem); |
| <a href=#217 id=217 data-nosnippet>217</a> } |
| <a href=#218 id=218 data-nosnippet>218</a>}</code></pre></div></section></main></body></html> |
