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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Writer (trace-tef.Trace_tef.Writer)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.1.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> <a href="../../../index.html">Index</a> &#x00BB; <a href="../../index.html">trace-tef</a> &#x00BB; <a href="../index.html">Trace_tef</a> &#x00BB; Writer</nav><header class="odoc-preamble"><h1>Module <code><span>Trace_tef.Writer</span></code></h1><p>Write JSON events to a buffer.</p><p>This is the part of the code that knows how to emit TEF-compliant JSON from raw event data.</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec value anchored" id="val-emit_duration_event"><a href="#val-emit_duration_event" class="anchor"></a><code><span><span class="keyword">val</span> emit_duration_event :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">start</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">end_</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">args</span>:<span><span>(string * <a href="../../../trace/Trace_core/index.html#type-user_data">Trace_core.user_data</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_begin_async"><a href="#val-emit_begin_async" class="anchor"></a><code><span><span class="keyword">val</span> emit_begin_async :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">trace_id</span>:<a href="../Types/index.html#type-trace_id">Types.trace_id</a> <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">ts</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">args</span>:<span><span>(string * <a href="../../../trace/Trace_core/index.html#type-user_data">Trace_core.user_data</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_end_async"><a href="#val-emit_end_async" class="anchor"></a><code><span><span class="keyword">val</span> emit_end_async :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">trace_id</span>:<a href="../Types/index.html#type-trace_id">Types.trace_id</a> <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">ts</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">args</span>:<span><span>(string * <a href="../../../trace/Trace_core/index.html#type-user_data">Trace_core.user_data</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_instant_event"><a href="#val-emit_instant_event" class="anchor"></a><code><span><span class="keyword">val</span> emit_instant_event :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">ts</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">args</span>:<span><span>(string * <a href="../../../trace/Trace_core/index.html#type-user_data">Trace_core.user_data</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_name_thread"><a href="#val-emit_name_thread" class="anchor"></a><code><span><span class="keyword">val</span> emit_name_thread :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_name_process"><a href="#val-emit_name_process" class="anchor"></a><code><span><span class="keyword">val</span> emit_name_process : <span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span> <span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span> <span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span> unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_process_sort_index"><a href="#val-emit_process_sort_index" class="anchor"></a><code><span><span class="keyword">val</span> emit_process_sort_index : <span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span> <span>int <span class="arrow">&#45;&gt;</span></span> <span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span> unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_thread_sort_index"><a href="#val-emit_thread_sort_index" class="anchor"></a><code><span><span class="keyword">val</span> emit_thread_sort_index :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span>int <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-emit_counter"><a href="#val-emit_counter" class="anchor"></a><code><span><span class="keyword">val</span> emit_counter :
<span><span class="label">pid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">tid</span>:int <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">name</span>:string <span class="arrow">&#45;&gt;</span></span>
<span><span class="label">ts</span>:float <span class="arrow">&#45;&gt;</span></span>
<span><a href="../../../ocaml/Stdlib/Buffer/index.html#type-t">Stdlib.Buffer.t</a> <span class="arrow">&#45;&gt;</span></span>
<span>float <span class="arrow">&#45;&gt;</span></span>
unit</span></code></div></div></div></body></html>