280 lines
38 KiB
HTML
280 lines
38 KiB
HTML
|
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="27.0">
|
|||
|
|
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="MPP 调试 MPP 调试 log 等级分为 ERROR, WARNING, INFO, DEBUG, VERBOSE。通过 LOGL_DEFAULT 定义 MPP 全局的 log 等级。 默认 log 等级为 INFO。 源文件路径： aic-mpp/base/log.h enum log_level { LOGL_ERROR = 0 , LOGL_WARNING, LOGL_INFO, ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.relation" content="../../../topics/sdk/mpp/mpp_user_guide.html"/><meta name="DC.relation" content="../../../topics/sdk/mpp/mpp_config.html"/><meta name="DC.relation" content="../../../topics/sdk/mpp/mpp_test.html"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-01-15"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="mpp_debug_guide"/><meta name="DC.language" content="zh-CN"/><title>调试指南</title><!-- Generated with build number 2024112209. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content="mpp_debug_guide-d4445e5386"/><meta name="wh-source-relpath" content="topics/sdk/mpp/mpp_debug.dita"/><meta name="wh-out-relpath" content="topics/sdk/mpp/mpp_debug.html"/>
|
|||
|
|
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2024112209"/>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2024112209"/>
|
|||
|
|
|
|||
|
|
<script src="../../../webhelp/app/options/properties.js?buildId=20250123154945"></script>
|
|||
|
|
<script src="../../../webhelp/app/localization/strings.js?buildId=2024112209"></script>
|
|||
|
|
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250123154945"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2024112209"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2024112209"></script>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2024112209"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2024112209"/></head>
|
|||
|
|
|
|||
|
|
<body id="mpp_debug_guide" class="wh_topic_page frmBody">
|
|||
|
|
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
|
|||
|
|
跳转到主要内容
|
|||
|
|
</a>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<header class="navbar navbar-default wh_header">
|
|||
|
|
<div class="container-fluid">
|
|||
|
|
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
|
|||
|
|
<div class="wh_logo_and_publication_title_container">
|
|||
|
|
<div class="wh_logo_and_publication_title">
|
|||
|
|
|
|||
|
|
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt=" Linux SDK 使用指南 SDK 指南文件 "/></a>
|
|||
|
|
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"> <span class="ph mainbooktitle">Linux SDK 使用指南</span> <span class="ph booktitlealt">SDK 指南文件</span> </span></a></div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</header>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="container-fluid" id="wh_topic_container">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
|
|||
|
|
|
|||
|
|
<div data-tooltip-position="bottom" class=" wh_breadcrumb "><ol class="d-print-none"><li><span class="home"><a href="../../../index.html"><span>主页</span></a></span></li><li><div class="topicref" data-id="id"><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div></li><li><div class="topicref" data-id="concept_mcc_32s_nbc"><div class="title"><a href="../../../topics/chapter-title/chapter-multi-media-sdk.html">多媒体</a><div class="wh-tooltip"><p class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div></li><li><div class="topicref" data-id="mpp"><div class="title"><a href="../../../topics/sdk/mpp/mpp_user_guide.html">MPP 使用指南</a></div></div></li><li class="active"><div class="topicref" data-id="mpp_debug_guide"><div class="title"><a href="../../../topics/sdk/mpp/mpp_debug.html">调试指南</a></div></div></li></ol></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_right_tools">
|
|||
|
|
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
|
|||
|
|
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
|
|||
|
|
<div class=" wh_navigation_links "><span id="topic_navigation_links" class="navheader">
|
|||
|
|
|
|||
|
|
<span class="navprev"><a class="- topic/link link" href="../../../topics/sdk/mpp/mpp_config.html" title="MPP 配置" aria-label="上一主题: MPP 配置" rel="prev"></a></span>
|
|||
|
|
<span class="navnext"><a class="- topic/link link" href="../../../topics/sdk/mpp/mpp_test.html" title="测试指南" aria-label="下一主题: 测试指南" rel="next"></a></span> </span></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
|
|||
|
|
|
|||
|
|
<button type="button" id="wh_toc_button" class="custom-toggler navbar-toggler collapsed wh_toggle_button navbar-light" aria-expanded="false" aria-label="Toggle publishing table of content" aria-controls="wh_publication_toc">
|
|||
|
|
<span class="navbar-toggler-icon"></span>
|
|||
|
|
</button>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</nav>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_content_area">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
<nav id="wh_publication_toc" class="col-lg-3 col-md-3 col-sm-12 d-md-block d-none d-print-none" aria-label="Table of Contents Container">
|
|||
|
|
<div id="wh_publication_toc_content">
|
|||
|
|
|
|||
|
|
<div class=" wh_publication_toc " data-tooltip-position="right"><span class="expand-button-action-labels"><span id="button-expand-action" role="button" aria-label="Expand"></span><span id="button-collapse-action" role="button" aria-label="Collapse"></span><span id="button-pending-action" role="button" aria-label="Pending"></span></span><ul role="tree" aria-label="Table of Contents"><li role="treeitem"><div data-tocid="revinfo_linux-d4445e1079" class="topicref" data-id="revinfo_linux" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/revinfo/revinfo_linux.html" id="revinfo_linux-d4445e1079-link">修订记录</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e1096" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e1096-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/env/sdk-compile.html" id="id-d4445e1096-link">SDK 编译</a><div class="wh-tooltip"><p class="shortdesc">介绍不同编译环境下 SDK 的详细编译流程。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="tocId-d4445e1240" class="topicref" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action tocId-d4445e1240-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/advanced/lb_usage_commands.html" id="tocId-d4445e1240-link">使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_rcx_czh_pzb-d4445e1360" class="topicref" data-id="concept_rcx_czh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_rcx_czh_pzb-d4445e1360-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-app.html" id="concept_rcx_czh_pzb-d4445e1360-link">应用场景</a><div class="wh-tooltip"><p class="shortdesc">描述了 SDK 在不同应用场景中的配置和使用，包括系统更新、OTA、安全方案等。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e1678" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e1678-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/peripheral-intro.html" id="id-d4445e1678-link">外设移植</a><div class="wh-tooltip"><p class="shortdesc"><span class="ph">触摸屏、显示器、WIFI 模块、按键</span>等外设的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e1964" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e1964-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/bringup/chapter-bringup.html" id="id-d4445e1964-link">BringUp</a><div class="wh-tooltip"><p class="shortdesc">在硬件上电后快速初始化系统，为操作系统的启动准备好必要的硬件环境。</p></div></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="id-d4445e2153" class="topicref" data-id="id" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action id-d4445e2153-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html" id="id-d4445e2153-link">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="false"><div data-tocid="uBoot-d4445e2170" class="topicref" data-id="uBoot" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action uBoot-d4445e2170-link" class="wh-expand-btn"></span><div class="titl
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</nav>
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="col-lg-7 col-md-9 col-sm-12" id="wh_topic_body">
|
|||
|
|
<button id="wh_close_publication_toc_button" class="close-toc-button d-none" aria-label="Toggle publishing table of content" aria-controls="wh_publication_toc" aria-expanded="true">
|
|||
|
|
<span class="close-toc-icon-container">
|
|||
|
|
<span class="close-toc-icon"></span>
|
|||
|
|
</span>
|
|||
|
|
</button>
|
|||
|
|
<button id="wh_close_topic_toc_button" class="close-toc-button d-none" aria-label="Toggle topic table of content" aria-controls="wh_topic_toc" aria-expanded="true">
|
|||
|
|
<span class="close-toc-icon-container">
|
|||
|
|
<span class="close-toc-icon"></span>
|
|||
|
|
</span>
|
|||
|
|
</button>
|
|||
|
|
|
|||
|
|
<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
|
|||
|
|
<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/mpp/mpp_debug.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调试指南</h1>
|
|||
|
|
|
|||
|
|
<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
|||
|
|
Read time: 2 minute(s)
|
|||
|
|
</div>
|
|||
|
|
<div class="- topic/body concept/conbody body conbody">
|
|||
|
|
<section class="- topic/section section" id="mpp_debug_guide__section_k3r_zfh_d1c" data-ofbid="mpp_debug_guide__section_k3r_zfh_d1c"><h2 class="- topic/title title sectiontitle">MPP 调试</h2>
|
|||
|
|
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e38__20250123155220">MPP 调试 log 等级分为 ERROR, WARNING, INFO, DEBUG, VERBOSE。通过 LOGL_DEFAULT 定义 MPP 全局的
|
|||
|
|
log 等级。 默认 log 等级为 INFO。</p>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e41__20250123155220">源文件路径：<span class="+ topic/ph sw-d/filepath ph filepath">aic-mpp/base/log.h</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_vrr_cgh_d1c" data-ofbid="mpp_debug_guide__codeblock_vrr_cgh_d1c"><code><strong class="hl-keyword">enum</strong> log_level {
|
|||
|
|
LOGL_ERROR = <span class="hl-number">0</span>,
|
|||
|
|
LOGL_WARNING,
|
|||
|
|
LOGL_INFO,
|
|||
|
|
LOGL_DEBUG,
|
|||
|
|
LOGL_VERBOSE,
|
|||
|
|
|
|||
|
|
LOGL_COUNT,
|
|||
|
|
|
|||
|
|
LOGL_DEFAULT = LOGL_INFO,
|
|||
|
|
LOGL_FORCE_DEBUG = <span class="hl-number">0x10</span>,
|
|||
|
|
};</code></pre></div>
|
|||
|
|
</section>
|
|||
|
|
<section class="- topic/section section" id="mpp_debug_guide__section_m3r_zfh_d1c" data-ofbid="mpp_debug_guide__section_m3r_zfh_d1c"><h2 class="- topic/title title sectiontitle">子模块调试</h2>
|
|||
|
|
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e54__20250123155220">打开子模块调试 log
|
|||
|
|
方式，在子模块中添加：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_tvw_cgh_d1c" data-ofbid="mpp_debug_guide__codeblock_tvw_cgh_d1c"><code>#<span class="hl-directive">define</span> LOG_DEBUG</code></pre></div>
|
|||
|
|
</section>
|
|||
|
|
<section class="- topic/section section" id="mpp_debug_guide__section_o3r_zfh_d1c" data-ofbid="mpp_debug_guide__section_o3r_zfh_d1c"><h2 class="- topic/title title sectiontitle">MPP Heap 调试</h2>
|
|||
|
|
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e65__20250123155220">打开 MPP Heap 调试开关，可查看 MPP 中间件对预留内存的使用情况。<ol class="- topic/ol ol" id="mpp_debug_guide__ol_h5d_gcr_sdc" data-ofbid="mpp_debug_guide__ol_h5d_gcr_sdc">
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e69__20250123155220">
|
|||
|
|
<div class="- topic/div div">
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e73__20250123155220">在 SDK 根目录下，执行下列命令，进入 kernel
|
|||
|
|
的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_wg1_3ml_sdc" data-ofbid="mpp_debug_guide__codeblock_wg1_3ml_sdc"><code>make kernel-menuconfig</code></pre></div>
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e78__20250123155220">或使用简写命令</p>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e81__20250123155220">
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_uss_hml_sdc" data-ofbid="mpp_debug_guide__codeblock_uss_hml_sdc"><code>make km</code></pre>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e89__20250123155220">在内核配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_rvn_dgh_d1c" data-ofbid="mpp_debug_guide__codeblock_rvn_dgh_d1c"><code>Linux
|
|||
|
|
Memory Management options --->
|
|||
|
|
[*] MPP debugfs interface</code></pre></li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e94__20250123155220">
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e96__20250123155220">系统启动后挂载
|
|||
|
|
debugfs<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_ukx_dgh_d1c" data-ofbid="mpp_debug_guide__codeblock_ukx_dgh_d1c"><code>mount -t debugfs none /sys/kernel/debug/</code></pre></div>
|
|||
|
|
</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e102__20250123155220">进入 mpp 目录后，使用下列命令查看对应节点，即可获取 mpp heap 的内存使用情况。<div class="- topic/p p" data-ofbid="d191106e104__20250123155220">进入 mpp
|
|||
|
|
目录：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_vdk_2gh_d1c" data-ofbid="mpp_debug_guide__codeblock_vdk_2gh_d1c"><code>cd /sys/kernel/dedbug/mpp/</code></pre></div><div class="- topic/p p" data-ofbid="d191106e108__20250123155220">使用下列获取所有节点列表：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_xzw_ncr_sdc" data-ofbid="mpp_debug_guide__codeblock_xzw_ncr_sdc"><code>ls</code></pre></div><div class="- topic/p p" data-ofbid="d191106e112__20250123155220">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_dct_pcr_sdc" data-ofbid="mpp_debug_guide__codeblock_dct_pcr_sdc"><code>bitmap count maxchunk used</code></pre><ul class="- topic/ul ul" id="mpp_debug_guide__ul_s3r_zfh_d1c" data-ofbid="mpp_debug_guide__ul_s3r_zfh_d1c">
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e118__20250123155220">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e120__20250123155220">count : MPP Heap 中包含的 page 总数</p>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_tlf_4cr_sdc" data-ofbid="mpp_debug_guide__codeblock_tlf_4cr_sdc"><code>cat count</code></pre>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_crb_vcr_sdc" data-ofbid="mpp_debug_guide__codeblock_crb_vcr_sdc"><code><span class="hl-number">2048</span></code></pre>
|
|||
|
|
</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e130__20250123155220">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e132__20250123155220">used : MPP Heap 中已被申请的 page 总数</p>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_fqw_vcr_sdc" data-ofbid="mpp_debug_guide__codeblock_fqw_vcr_sdc"><code>cat used</code></pre>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_lyj_wcr_sdc" data-ofbid="mpp_debug_guide__codeblock_lyj_wcr_sdc"><code><span class="hl-number">600</span></code></pre>
|
|||
|
|
</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e142__20250123155220">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e144__20250123155220">maxchunk : MPP Heap 中还能申请到最大的连续 page 总数</p>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_u15_5cr_sdc" data-ofbid="mpp_debug_guide__codeblock_u15_5cr_sdc"><code>cat maxchunk</code></pre>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_c2d_xcr_sdc" data-ofbid="mpp_debug_guide__codeblock_c2d_xcr_sdc"><code><span class="hl-number">1448</span></code></pre>
|
|||
|
|
</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e154__20250123155220">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e156__20250123155220">bitmap : MPP Heap 中记录 page 状态的 bitmap</p>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_xkh_xcr_sdc" data-ofbid="mpp_debug_guide__codeblock_xkh_xcr_sdc"><code>cat bitmap</code></pre>
|
|||
|
|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_debug_guide__codeblock_rrq_xcr_sdc" data-ofbid="mpp_debug_guide__codeblock_rrq_xcr_sdc"><code><span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span>
|
|||
|
|
<span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">4294967295</span> <span class="hl-number">16777215</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span>
|
|||
|
|
<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span></code></pre>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d191106e165__20250123155220">
|
|||
|
|
<ul class="- topic/ul ul" id="mpp_debug_guide__ul_wqx_1dr_sdc" data-ofbid="mpp_debug_guide__ul_wqx_1dr_sdc">
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e169__20250123155220">一个 page 大小为 4K ， bitmap 节点打印输出十进制数据。</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e172__20250123155220">4294967295 转换为十六进制为 <code class="+ topic/ph pr-d/codeph ph codeph">0xFFFFFFFF</code>，二进制为
|
|||
|
|
<code class="+ topic/ph pr-d/codeph ph codeph">0b11111111111111111111111111111111</code>
|
|||
|
|
。</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e181__20250123155220"> 一个 bit 表示一个 page 的状态，1 表示已被申请，0 表示空闲。</li>
|
|||
|
|
<li class="- topic/li li" data-ofbid="d191106e184__20250123155220">4294967295 表示 32 个 page 全部被占用，总共 32 * 4K 大小。</li>
|
|||
|
|
</ul>
|
|||
|
|
<div class="- topic/note note note note_note" id="mpp_debug_guide__note_gdz_zfh_d1c" data-ofbid="mpp_debug_guide__note_gdz_zfh_d1c"><span class="note__title">注：</span> <div class="note__body">
|
|||
|
|
<p class="- topic/p p" data-ofbid="d191106e190__20250123155220">实际调试时要注意大小端问题。</p>
|
|||
|
|
</div></div>
|
|||
|
|
</div>
|
|||
|
|
</li>
|
|||
|
|
</ul></div></li>
|
|||
|
|
</ol></div>
|
|||
|
|
</section>
|
|||
|
|
</div>
|
|||
|
|
</article></main></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
|
|||
|
|
<div id="wh_topic_toc_content">
|
|||
|
|
|
|||
|
|
<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#mpp_debug_guide__section_k3r_zfh_d1c" data-tocid="mpp_debug_guide__section_k3r_zfh_d1c">MPP 调试</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp_debug_guide__section_m3r_zfh_d1c" data-tocid="mpp_debug_guide__section_m3r_zfh_d1c">子模块调试</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp_debug_guide__section_o3r_zfh_d1c" data-tocid="mpp_debug_guide__section_o3r_zfh_d1c">MPP Heap 调试</a></div></li></ul></div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</nav>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
<footer class="navbar navbar-default wh_footer">
|
|||
|
|
<div class=" footer-container mx-auto ">
|
|||
|
|
<title>footer def</title>
|
|||
|
|
<style><!--
|
|||
|
|
|
|||
|
|
.p1 {
|
|||
|
|
font-family: FangZhengShuSong, Times, serif;
|
|||
|
|
}
|
|||
|
|
.p2 {
|
|||
|
|
font-family: Arial, Helvetica, sans-serif;
|
|||
|
|
}
|
|||
|
|
.p3 {
|
|||
|
|
font-family: "Lucida Console", "Courier New", monospace;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
--></style>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="webhelp.fragment.footer">
|
|||
|
|
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
|||
|
|
</div><div>
|
|||
|
|
<div class="generation_time">
|
|||
|
|
Update Time: 2025-01-23
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</footer>
|
|||
|
|
|
|||
|
|
<button id="go2top" class="d-print-none" title="返回顶部">
|
|||
|
|
<span class="oxy-icon oxy-icon-up"></span>
|
|||
|
|
</button>
|
|||
|
|
|
|||
|
|
<div id="modal_img_large" class="modal">
|
|||
|
|
<span class="close oxy-icon oxy-icon-remove"></span>
|
|||
|
|
<div id="modal_img_container"></div>
|
|||
|
|
<div id="caption"></div>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</body>
|
|||
|
|
</html>
|