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<title>LCOV - skiboot.info - core/console-log.c</title>
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">core</a> - console-log.c<span style="font-size: 80%;"> (source / <a href="console-log.c.func-sort-c.html">functions</a>)</span></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
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<td class="headerItem">Test:</td>
<td class="headerValue">skiboot.info</td>
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<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">21</td>
<td class="headerCovTableEntry">21</td>
<td class="headerCovTableEntryHi">100.0 %</td>
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<td class="headerItem">Date:</td>
<td class="headerValue">2023-06-06 19:00:36</td>
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<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">3</td>
<td class="headerCovTableEntry">3</td>
<td class="headerCovTableEntryHi">100.0 %</td>
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<pre class="sourceHeading"> Branch data Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : : // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later</a>
<a name="2"><span class="lineNum"> 2 </span> : : /*</a>
<a name="3"><span class="lineNum"> 3 </span> : : * Console Log routines</a>
<a name="4"><span class="lineNum"> 4 </span> : : * Wraps libc and console lower level functions</a>
<a name="5"><span class="lineNum"> 5 </span> : : * does fancy-schmancy things like timestamps and priorities</a>
<a name="6"><span class="lineNum"> 6 </span> : : * Doesn't make waffles.</a>
<a name="7"><span class="lineNum"> 7 </span> : : *</a>
<a name="8"><span class="lineNum"> 8 </span> : : * Copyright 2013-2018 IBM Corp.</a>
<a name="9"><span class="lineNum"> 9 </span> : : */</a>
<a name="10"><span class="lineNum"> 10 </span> : : </a>
<a name="11"><span class="lineNum"> 11 </span> : : #include "skiboot.h"</a>
<a name="12"><span class="lineNum"> 12 </span> : : #include "unistd.h"</a>
<a name="13"><span class="lineNum"> 13 </span> : : #include "stdio.h"</a>
<a name="14"><span class="lineNum"> 14 </span> : : #include "console.h"</a>
<a name="15"><span class="lineNum"> 15 </span> : : #include "timebase.h"</a>
<a name="16"><span class="lineNum"> 16 </span> : : #include <debug_descriptor.h></a>
<a name="17"><span class="lineNum"> 17 </span> : : </a>
<a name="18"><span class="lineNum"> 18 </span> :<span class="lineCov"> 13 : static int vprlog(int log_level, const char *fmt, va_list ap)</span></a>
<a name="19"><span class="lineNum"> 19 </span> : : {</a>
<a name="20"><span class="lineNum"> 20 </span> : : int count;</a>
<a name="21"><span class="lineNum"> 21 </span> : : char buffer[320];</a>
<a name="22"><span class="lineNum"> 22 </span> :<span class="lineCov"> 13 : bool flush_to_drivers = true;</span></a>
<a name="23"><span class="lineNum"> 23 </span> :<span class="lineCov"> 13 : unsigned long tb = mftb();</span></a>
<a name="24"><span class="lineNum"> 24 </span> : : </a>
<a name="25"><span class="lineNum"> 25 </span> : : /* It's safe to return 0 when we "did" something here</a>
<a name="26"><span class="lineNum"> 26 </span> : : * as only printf cares about how much we wrote, and</a>
<a name="27"><span class="lineNum"> 27 </span> : : * if you change log_level to below PR_PRINTF then you</a>
<a name="28"><span class="lineNum"> 28 </span> : : * get everything you deserve.</a>
<a name="29"><span class="lineNum"> 29 </span> : : * By default, only PR_DEBUG and higher are stored in memory.</a>
<a name="30"><span class="lineNum"> 30 </span> : : * PR_TRACE and PR_INSANE are for those having a bad day.</a>
<a name="31"><span class="lineNum"> 31 </span> : : */</a>
<a name="32"><span class="lineNum"> 32 </span> :<span class="lineCov"> 13 : if (log_level > (debug_descriptor.console_log_levels >> 4))</span></a>
<a name="33"><span class="lineNum"> 33 </span> :<span class="lineCov"> 2 : return 0;</span></a>
<a name="34"><span class="lineNum"> 34 </span> : : </a>
<a name="35"><span class="lineNum"> 35 </span> :<span class="lineCov"> 11 : count = snprintf(buffer, sizeof(buffer), "[%5lu.%09lu,%d] ",</span></a>
<a name="36"><span class="lineNum"> 36 </span> : : tb_to_secs(tb), tb_remaining_nsecs(tb), log_level);</a>
<a name="37"><span class="lineNum"> 37 </span> :<span class="lineCov"> 11 : count+= vsnprintf(buffer+count, sizeof(buffer)-count, fmt, ap);</span></a>
<a name="38"><span class="lineNum"> 38 </span> : : </a>
<a name="39"><span class="lineNum"> 39 </span> :<span class="lineCov"> 11 : if (log_level > (debug_descriptor.console_log_levels & 0x0f))</span></a>
<a name="40"><span class="lineNum"> 40 </span> :<span class="lineCov"> 2 : flush_to_drivers = false;</span></a>
<a name="41"><span class="lineNum"> 41 </span> : : </a>
<a name="42"><span class="lineNum"> 42 </span> :<span class="lineCov"> 11 : console_write(flush_to_drivers, buffer, count);</span></a>
<a name="43"><span class="lineNum"> 43 </span> : : </a>
<a name="44"><span class="lineNum"> 44 </span> :<span class="lineCov"> 11 : return count;</span></a>
<a name="45"><span class="lineNum"> 45 </span> : : }</a>
<a name="46"><span class="lineNum"> 46 </span> : : </a>
<a name="47"><span class="lineNum"> 47 </span> : : /* we don't return anything as what on earth are we going to do</a>
<a name="48"><span class="lineNum"> 48 </span> : : * if we actually fail to print a log message? Print a log message about it?</a>
<a name="49"><span class="lineNum"> 49 </span> : : * Callers shouldn't care, prlog and friends should do something generically</a>
<a name="50"><span class="lineNum"> 50 </span> : : * sane in such crazy situations.</a>
<a name="51"><span class="lineNum"> 51 </span> : : */</a>
<a name="52"><span class="lineNum"> 52 </span> :<span class="lineCov"> 10 : void _prlog(int log_level, const char* fmt, ...)</span></a>
<a name="53"><span class="lineNum"> 53 </span> : : {</a>
<a name="54"><span class="lineNum"> 54 </span> : : va_list ap;</a>
<a name="55"><span class="lineNum"> 55 </span> : : </a>
<a name="56"><span class="lineNum"> 56 </span> :<span class="lineCov"> 10 : va_start(ap, fmt);</span></a>
<a name="57"><span class="lineNum"> 57 </span> :<span class="lineCov"> 10 : vprlog(log_level, fmt, ap);</span></a>
<a name="58"><span class="lineNum"> 58 </span> :<span class="lineCov"> 10 : va_end(ap);</span></a>
<a name="59"><span class="lineNum"> 59 </span> :<span class="lineCov"> 10 : }</span></a>
<a name="60"><span class="lineNum"> 60 </span> : : </a>
<a name="61"><span class="lineNum"> 61 </span> :<span class="lineCov"> 2 : int _printf(const char* fmt, ...)</span></a>
<a name="62"><span class="lineNum"> 62 </span> : : {</a>
<a name="63"><span class="lineNum"> 63 </span> : : int count;</a>
<a name="64"><span class="lineNum"> 64 </span> : : va_list ap;</a>
<a name="65"><span class="lineNum"> 65 </span> : : </a>
<a name="66"><span class="lineNum"> 66 </span> :<span class="lineCov"> 3 : va_start(ap, fmt);</span></a>
<a name="67"><span class="lineNum"> 67 </span> :<span class="lineCov"> 3 : count = vprlog(PR_PRINTF, fmt, ap);</span></a>
<a name="68"><span class="lineNum"> 68 </span> :<span class="lineCov"> 3 : va_end(ap);</span></a>
<a name="69"><span class="lineNum"> 69 </span> : : </a>
<a name="70"><span class="lineNum"> 70 </span> :<span class="lineCov"> 3 : return count;</span></a>
<a name="71"><span class="lineNum"> 71 </span> : : }</a>
</pre>
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