https://kimpaper.github.io/en/tags/pprof/ Recent content in Pprof on paper.archive https://kimpaper.github.io/images/2026-07-17-daebit-1.jpg https://kimpaper.github.io/images/2026-07-17-daebit-1.jpg Hugo en-US Mon, 28 Mar 2022 16:53:00 +0000 https://kimpaper.github.io/en/posts/golang/2022-03-28-golang_profiler/ Mon, 28 Mar 2022 16:53:00 +0000 https://kimpaper.github.io/en/posts/golang/2022-03-28-golang_profiler/ <h2 id="profile-via-nethttppprof">Profile via net/http/pprof</h2> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span><span class="lnt">11 </span><span class="lnt">12 </span><span class="lnt">13 </span><span class="lnt">14 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-go" data-lang="go"><span class="line"><span class="cl"><span class="kn">import</span><span class="w"> </span><span class="p">(</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="s">&#34;net/http&#34;</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nx">_</span><span class="w"> </span><span class="s">&#34;net/http/pprof&#34;</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="p">)</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="kd">func</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="k">go</span><span class="w"> </span><span class="kd">func</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nx">log</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nx">http</span><span class="p">.</span><span class="nf">ListenAndServe</span><span class="p">(</span><span class="s">&#34;0.0.0.0:6060&#34;</span><span class="p">,</span><span class="w"> </span><span class="kc">nil</span><span class="p">))</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="p">}()</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="o">...</span><span class="w"> </span><span class="nx">do</span><span class="w"> </span><span class="nx">something</span><span class="w"> </span><span class="o">...</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="p">}</span><span class="w"> </span></span></span></code></pre></td></tr></table> </div> </div><h2 id="cpu-profile-collects-data-for-30-seconds">CPU profile (collects data for 30 seconds)</h2> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">go tool pprof http://xxxx:6060/debug/pprof/profile </span></span></code></pre></td></tr></table> </div> </div><h2 id="heap-memory-returns-current-memory-info">Heap memory (returns current memory info)</h2> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">go tool pprof http://xxxx:6060/debug/pprof/heap </span></span></code></pre></td></tr></table> </div> </div>