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<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" 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">17 Dec 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</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>
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<p class="- topic/p p" data-ofbid="d169931e27__20250121171620">MPP 调试 log 等级分为 ERROR, WARNING, INFO, DEBUG, VERBOSE。通过 LOGL_DEFAULT 定义 MPP 全局的
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log 等级。 默认 log 等级为 INFO。</p>
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<div class="- topic/p p" data-ofbid="d169931e30__20250121171620">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"><strong class="hl-keyword">enum</strong> log_level {
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LOGL_ERROR = <span class="hl-number">0</span>,
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LOGL_WARNING,
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LOGL_INFO,
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LOGL_DEBUG,
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LOGL_VERBOSE,
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LOGL_COUNT,
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LOGL_DEFAULT = LOGL_INFO,
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LOGL_FORCE_DEBUG = <span class="hl-number">0x10</span>,
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};</pre></div>
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</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>
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<div class="- topic/p p" data-ofbid="d169931e42__20250121171620">打开子模块调试 log
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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">#<span class="hl-directive">define</span> LOG_DEBUG</pre></div>
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</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>
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<div class="- topic/p p" data-ofbid="d169931e52__20250121171620">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="d169931e55__20250121171620">
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<div class="- topic/div div">
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<div class="- topic/p p" data-ofbid="d169931e59__20250121171620">在 SDK 根目录下，执行下列命令，进入 kernel
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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">make kernel-menuconfig</pre></div>
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<p class="- topic/p p" data-ofbid="d169931e64__20250121171620">或使用简写命令</p>
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<div class="- topic/p p" data-ofbid="d169931e67__20250121171620">
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<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">make km</pre>
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</div>
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</div>
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</li><li class="- topic/li li" data-ofbid="d169931e74__20250121171620">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">Linux
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Memory Management options --->
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[*] MPP debugfs interface</pre></li><li class="- topic/li li" data-ofbid="d169931e78__20250121171620">
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<div class="- topic/p p" data-ofbid="d169931e80__20250121171620">系统启动后挂载
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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">mount -t debugfs none /sys/kernel/debug/</pre></div>
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</li><li class="- topic/li li" data-ofbid="d169931e85__20250121171620">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="d169931e87__20250121171620">进入 mpp
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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">cd /sys/kernel/dedbug/mpp/</pre></div><div class="- topic/p p" data-ofbid="d169931e91__20250121171620">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">ls</pre></div><div class="- topic/p p" data-ofbid="d169931e95__20250121171620">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">bitmap count maxchunk used</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="d169931e100__20250121171620">
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<p class="- topic/p p" data-ofbid="d169931e102__20250121171620">count : MPP Heap 中包含的 page 总数</p>
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<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">cat count</pre>
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||
<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"><span class="hl-number">2048</span></pre>
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</li><li class="- topic/li li" data-ofbid="d169931e111__20250121171620">
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<p class="- topic/p p" data-ofbid="d169931e113__20250121171620">used : MPP Heap 中已被申请的 page 总数</p>
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<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">cat used</pre>
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<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"><span class="hl-number">600</span></pre>
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</li><li class="- topic/li li" data-ofbid="d169931e122__20250121171620">
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<p class="- topic/p p" data-ofbid="d169931e124__20250121171620">maxchunk : MPP Heap 中还能申请到最大的连续 page 总数</p>
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<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">cat maxchunk</pre>
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<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"><span class="hl-number">1448</span></pre>
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</li><li class="- topic/li li" data-ofbid="d169931e133__20250121171620">
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<p class="- topic/p p" data-ofbid="d169931e135__20250121171620">bitmap : MPP Heap 中记录 page 状态的 bitmap</p>
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<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">cat bitmap</pre>
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<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"><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>
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||
<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>
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<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></pre>
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<div class="- topic/p p" data-ofbid="d169931e144__20250121171620">
|
||
<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="d169931e147__20250121171620">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="d169931e149__20250121171620">4294967295 转换为十六进制为 <code class="+ topic/ph pr-d/codeph ph codeph">0xFFFFFFFF</code>，二进制为
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<code class="+ topic/ph pr-d/codeph ph codeph">0b11111111111111111111111111111111</code>
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||
。</li><li class="- topic/li li" data-ofbid="d169931e157__20250121171620"> 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="d169931e159__20250121171620">4294967295 表示 32 个 page 全部被占用，总共 32 * 4K 大小。</li></ul>
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||
<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>
|
||
<p class="- topic/p p" data-ofbid="d169931e164__20250121171620">实际调试时要注意大小端问题。</p>
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</div>
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<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>
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<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: 2025-01-21
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<div id="go2top" class="d-print-none">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</div>
|
||
|
||
<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> |