1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>printk_timed_ratelimit</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch01s09.html" title="Kernel utility functions"><link rel="prev" href="API-console-conditional-schedule.html" title="console_conditional_schedule"><link rel="next" href="API-kmsg-dump-register.html" title="kmsg_dump_register"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">printk_timed_ratelimit</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-console-conditional-schedule.html">Prev</a>&#160;</td><th width="60%" align="center">Kernel utility functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-kmsg-dump-register.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-printk-timed-ratelimit"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>printk_timed_ratelimit &#8212; 
2     caller-controlled printk ratelimiting
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">bool <b class="fsfunc">printk_timed_ratelimit </b>(</code></td><td>unsigned long * <var class="pdparam">caller_jiffies</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">interval_msecs</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1108466556"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>caller_jiffies</code></em></span></dt><dd><p>
4     pointer to caller's state
5    </p></dd><dt><span class="term"><em class="parameter"><code>interval_msecs</code></em></span></dt><dd><p>
6     minimum interval between prints
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1108469228"></a><h2>Description</h2><p>
8   <code class="function">printk_timed_ratelimit</code> returns true if more than <em class="parameter"><code>interval_msecs</code></em>
9   milliseconds have elapsed since the last time <code class="function">printk_timed_ratelimit</code>
10   returned true.
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