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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/sdmc/sdmc-test-guide.dita" > Edit online< / a > < / span > < h1 class = "- topic/title title topictitle1" id = "ariaid-title1" > 测试指南< / h1 > < div class = "date inPage" > 24 Dec 2024< / div > < div style = "color: gray;" >
Read time: 9 minute(s)
< / div > < div class = "- topic/body concept/conbody body conbody" > < section class = "- topic/section section" id = "sdmc_test_guide__section_rxz_vdb_ndc" data-ofbid = "sdmc_test_guide__section_rxz_vdb_ndc" > < h2 class = "- topic/title title sectiontitle" > 测试环境< / h2 >
< div class = "- topic/p p" id = "sdmc_test_guide__p_f1z_y5g_f1c" data-ofbid = "sdmc_test_guide__p_f1z_y5g_f1c" > 准备 SDMC 测试所需的测试环境，如下所示：< ul class = "- topic/ul ul" id = "sdmc_test_guide__ol_rrk_pls_c1c" data-ofbid = "sdmc_test_guide__ol_rrk_pls_c1c" > < li class = "- topic/li li" data-ofbid = "d197519e30__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > 硬件< / strong > ： < ul class = "- topic/ul ul" id = "sdmc_test_guide__ul_y1w_rqt_c1c" data-ofbid = "sdmc_test_guide__ul_y1w_rqt_c1c" > < li class = "- topic/li li" data-ofbid = "d197519e35__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e37__20250121171633" > 开发板，或者 FPGA 板子< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d197519e40__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e42__20250121171633" > 板子上必须要接有 eMMC/SDCard< / p >
< / li > < / ul > < / li > < li class = "- topic/li li" data-ofbid = "d197519e45__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > 软件< / strong > ： < ul class = "- topic/ul ul" id = "sdmc_test_guide__ul_ocq_hts_c1c" data-ofbid = "sdmc_test_guide__ul_ocq_hts_c1c" > < li class = "- topic/li li" data-ofbid = "d197519e50__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e52__20250121171633" > PC 端的串口终端软件，用于 PC 和开发板进行串口通信< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d197519e55__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e57__20250121171633" > Linux 内核原生的 test 工具，用于 Host 驱动的功能测试< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d197519e60__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e62__20250121171633" > Luban 自带的 iozone 工具，用于块设备的性能测试< / p >
< / li > < / ul > < / li > < / ul > < / div >
< div class = "- topic/p p" data-ofbid = "d197519e66__20250121171633" > 按照下列步骤打开对应的测试工具：< ul class = "- topic/ul ul" id = "sdmc_test_guide__ul_qnv_yqt_c1c" data-ofbid = "sdmc_test_guide__ul_qnv_yqt_c1c" > < li class = "- topic/li li" data-ofbid = "d197519e69__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > < / strong > < div class = "- topic/p p" data-ofbid = "d197519e73__20250121171633" > 在 Luban 根目录下执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > make
kernel-menuconfig< / span > ，进入 kernel
的功能配置，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_yhx_5qt_c1c" data-ofbid = "sdmc_test_guide__codeblock_yhx_5qt_c1c" > Linux
Device Drivers
< *> MMC/SD/SDIO card support
< > MMC block device driver
< *> MMC host test driver< / pre > < div class = "- topic/note note note note_note" id = "sdmc_test_guide__note_vbv_wqt_c1c" data-ofbid = "sdmc_test_guide__note_vbv_wqt_c1c" > < span class = "note__title" > 注：< / span > mmc_test 必须要关闭 Block 选项，否则 test
模块不会被内核加载。< / div > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d197519e82__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > < / strong > < div class = "- topic/p p" data-ofbid = "d197519e86__20250121171633" > 在 Luban 根目录，运行
< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > menuconfig< / span > ，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_htk_1rt_c1c" data-ofbid = "sdmc_test_guide__codeblock_htk_1rt_c1c" > Third-party packages
[*] iozone< / pre > < / div > < / li > < / ul > < / div >
< / section > < section class = "- topic/section section" id = "sdmc_test_guide__section_x2p_ydb_ndc" data-ofbid = "sdmc_test_guide__section_x2p_ydb_ndc" > < h2 class = "- topic/title title sectiontitle" > < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 测试< / h2 >
< p class = "- topic/p p" data-ofbid = "d197519e101__20250121171633" > < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 的主要功能是测试符合 MMC 子系统的 Host 驱动功能，源码详见
< span class = "+ topic/ph sw-d/filepath ph filepath" > driversmmccoremmc_test.c< / span > 。< / p >
< p class = "- topic/p p" data-ofbid = "d197519e109__20250121171633" > 按照下列步骤，执行 < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 测试：< / p >
< ol class = "- topic/ol ol" id = "sdmc_test_guide__ol_xfd_m2b_ndc" data-ofbid = "sdmc_test_guide__ol_xfd_m2b_ndc" > < li class = "- topic/li li" data-ofbid = "d197519e116__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > 打开 < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 功能< / strong > < div class = "- topic/note note note note_note" id = "sdmc_test_guide__note_kjy_l2b_ndc" data-ofbid = "sdmc_test_guide__note_kjy_l2b_ndc" > < span class = "note__title" > 注：< / span > < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 必须要关闭 Block 选项，否则测试模块不会被内核加载。< / div > < div class = "- topic/p p" data-ofbid = "d197519e126__20250121171633" > 在
Luban 根目录下执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > make kernel-menuconfig< / span > ，进入 kernel
的功能配置，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_jjy_l2b_ndc" data-ofbid = "sdmc_test_guide__codeblock_jjy_l2b_ndc" > Linux
Device Drivers
< *> MMC/SD/SDIO card support
< > MMC block device driver
< *> MMC host test driver< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d197519e133__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e135__20250121171633" > 板子在启动到 Shell 后，挂载 debugfs 文件系统，并查看 test 的测试节点：< / p >
< div class = "- topic/p p" data-ofbid = "d197519e138__20250121171633" > < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_wdt< / span >
的帮助信息：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_fh5_brt_c1c" data-ofbid = "sdmc_test_guide__codeblock_fh5_brt_c1c" > mount -t debugfs none /sys/kernel/debug/< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_xfv_zcs_5dc" data-ofbid = "sdmc_test_guide__codeblock_xfv_zcs_5dc" > cd /sys/kernel/debug/mmc0/mmc0\:< span class = "hl-number" > 0001< / span > /< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_vmb_1ds_5dc" data-ofbid = "sdmc_test_guide__codeblock_vmb_1ds_5dc" > ls< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_ynh_1ds_5dc" data-ofbid = "sdmc_test_guide__codeblock_ynh_1ds_5dc" > state test testlist< / pre > < / div >
< div class = "- topic/p p" data-ofbid = "d197519e151__20250121171633" > 打印测试选项：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_d4m_1ds_5dc" data-ofbid = "sdmc_test_guide__codeblock_d4m_1ds_5dc" > cat testlist< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_sdt_1ds_5dc" data-ofbid = "sdmc_test_guide__codeblock_sdt_1ds_5dc" > < span class = "hl-number" > 0< / span > : Run all tests
< span class = "hl-number" > 1< / span > : Basic write (no data verification)
< span class = "hl-number" > 2< / span > : Basic read (no data verification)
< span class = "hl-number" > 3< / span > : Basic write (with data verification)
< span class = "hl-number" > 4< / span > : Basic read (with data verification)
< span class = "hl-number" > 5< / span > : Multi-block write
< span class = "hl-number" > 6< / span > : Multi-block read
< span class = "hl-number" > 7< / span > : Power of two block writes
< span class = "hl-number" > 8< / span > : Power of two block reads
< span class = "hl-number" > 9< / span > : Weird sized block writes
< span class = "hl-number" > 10< / span > : Weird sized block reads
< span class = "hl-number" > 11< / span > : Badly aligned write
< span class = "hl-number" > 12< / span > : Badly aligned read
< span class = "hl-number" > 13< / span > : Badly aligned multi-block write
< span class = "hl-number" > 14< / span > : Badly aligned multi-block read
< span class = "hl-number" > 15< / span > : Correct xfer_size at write (start failure)
< span class = "hl-number" > 16< / span > : Correct xfer_size at read (start failure)
< span class = "hl-number" > 17< / span > : Correct xfer_size at write (midway failure)
< span class = "hl-number" > 18< / span > : Correct xfer_size at read (midway failure)
< span class = "hl-number" > 19< / span > : Highmem write
< span class = "hl-number" > 20< / span > : Highmem read
< span class = "hl-number" > 21< / span > : Multi-block highmem write
< span class = "hl-number" > 22< / span > : Multi-block highmem read
< span class = "hl-number" > 23< / span > : Best-< strong class = "hl-keyword" > case< / strong > read performance
< span class = "hl-number" > 24< / span > : Best-< strong class = "hl-keyword" > case< / strong > write performance
< span class = "hl-number" > 25< / span > : Best-< strong class = "hl-keyword" > case< / strong > read performance into scattered pages
< span class = "hl-number" > 26< / span > : Best-< strong class = "hl-keyword" > case< / strong > write performance from scattered pages
< span class = "hl-number" > 27< / span > : Single read performance by transfer size
< span class = "hl-number" > 28< / span > : Single write performance by transfer size
< span class = "hl-number" > 29< / span > : Single trim performance by transfer size
< span class = "hl-number" > 30< / span > : Consecutive read performance by transfer size
< span class = "hl-number" > 31< / span > : Consecutive write performance by transfer size
< span class = "hl-number" > 32< / span > : Consecutive trim performance by transfer size
< span class = "hl-number" > 33< / span > : Random read performance by transfer size
< span class = "hl-number" > 34< / span > : Random write performance by transfer size
< span class = "hl-number" > 35< / span > : Large sequential read into scattered pages
< span class = "hl-number" > 36< / span > : Large sequential write from scattered pages
< span class = "hl-number" > 37< / span > : Write performance with blocking req < span class = "hl-number" > 4< / span > k to < span class = "hl-number" > 4< / span > MB
< span class = "hl-number" > 38< / span > : Write performance with non-blocking req < span class = "hl-number" > 4< / span > k to < span class = "hl-number" > 4< / span > MB
< span class = "hl-number" > 39< / span > : Read performance with blocking req < span class = "hl-number" > 4< / span > k to < span class = "hl-number" > 4< / span > MB
< span class = "hl-number" > 40< / span > : Read performance with non-blocking req < span class = "hl-number" > 4< / span > k to < span class = "hl-number" > 4< / span > MB
< span class = "hl-number" > 41< / span > : Write performance blocking req < span class = "hl-number" > 1< / span > to < span class = "hl-number" > 512< / span > sg elems
< span class = "hl-number" > 42< / span > : Write performance non-blocking req < span class = "hl-number" > 1< / span > to < span class = "hl-number" > 512< / span > sg elems
< span class = "hl-number" > 43< / span > : Read performance blocking req < span class = "hl-number" > 1< / span > to < span class = "hl-number" > 512< / span > sg elems
< span class = "hl-number" > 44< / span > : Read performance non-blocking req < span class = "hl-number" > 1< / span > to < span class = "hl-number" > 512< / span > sg elems
< span class = "hl-number" > 45< / span > : Reset test
< span class = "hl-number" > 46< / span > : Commands during read - no Set Block Count (CMD23)
< span class = "hl-number" > 47< / span > : Commands during write - no Set Block Count (CMD23)
< span class = "hl-number" > 48< / span > : Commands during read - use Set Block Count (CMD23)
< span class = "hl-number" > 49< / span > : Commands during write - use Set Block Count (CMD23)
< span class = "hl-number" > 50< / span > : Commands during non-blocking read - use Set Block Count (CMD23)
< span class = "hl-number" > 51< / span > : Commands during non-blocking write - use Set Block Count (CMD23)us< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d197519e158__20250121171633" >
< div class = "- topic/p p" data-ofbid = "d197519e160__20250121171633" > 根据需求，选一个测试项，将其编号写入 < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 节点，如使用测试项
1： < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_ps2_drt_c1c" data-ofbid = "sdmc_test_guide__codeblock_ps2_drt_c1c" > echo < span class = "hl-number" > 1< / span > > test< / pre > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_usg_cds_5dc" data-ofbid = "sdmc_test_guide__codeblock_usg_cds_5dc" > [ < span class = "hl-number" > 162.185679< / span > ] mmc0: Starting tests of card mmc0:< span class = "hl-number" > 0001.< / span > ..
[ < span class = "hl-number" > 162.190820< / span > ] mmc0: Test < strong class = "hl-keyword" > case< / strong > < span class = "hl-number" > 1.< / span > Basic write (no data verification)...
[ < span class = "hl-number" > 162.209563< / span > ] mmc0: Result: OK
[ < span class = "hl-number" > 162.212462< / span > ] mmc0: Tests completed.< / pre > < / div >
< div class = "- topic/p p" data-ofbid = "d197519e170__20250121171633" > 为了方便测试，可以通过以下脚本 批量运行完所有的 mmc_test
测试项：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_xrn_2rt_c1c" data-ofbid = "sdmc_test_guide__codeblock_xrn_2rt_c1c" > #!/bin/sh
run_one_testcase()
{
echo $< span class = "hl-number" > 1< / span > > test
< strong class = "hl-keyword" > if< / strong > [ $? -ne < span class = "hl-number" > 0< / span > ]; then
echo ERROR: Testcase $i failed!
exit < span class = "hl-number" > 110< / span >
fi
}
run_memtest()
{
echo Prepare the debugfs ...
mount -t debugfs none /sys/kernel/debug/
cd /sys/kernel/debug/mmc0/mmc0:< span class = "hl-number" > 0001< / span >
echo
echo Run memtest ...
echo
CNT=< span class = "hl-number" > 1< / span >
< strong class = "hl-keyword" > while< / strong > true
< strong class = "hl-keyword" > do< / strong >
echo
echo ----------------------------------------------------------
echo Run all the testcase, count $CNT ...
echo ----------------------------------------------------------
echo
echo Run in order sequence ...
echo
< strong class = "hl-keyword" > for< / strong > i in `seq < span class = "hl-number" > 0< / span > < span class = "hl-number" > 51< / span > `;
< strong class = "hl-keyword" > do< / strong >
run_one_testcase $i
done
echo
echo Run in random sequence ...
echo
< strong class = "hl-keyword" > for< / strong > i in `seq < span class = "hl-number" > 0< / span > < span class = "hl-number" > 51< / span > `;
< strong class = "hl-keyword" > do< / strong >
$TMP=`expr $RANDOM % < span class = "hl-number" > 52< / span > `
run_one_testcase $TMP
done
CNT=`expr $CNT + < span class = "hl-number" > 1< / span > `
done
}
run_memtest()< / pre > < / div >
< / li > < / ol >
< / section > < section class = "- topic/section section" id = "sdmc_test_guide__section_ibj_12b_ndc" data-ofbid = "sdmc_test_guide__section_ibj_12b_ndc" > < h2 class = "- topic/title title sectiontitle" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 测试< / h2 >
< div class = "- topic/p p" data-ofbid = "d197519e183__20250121171633" >
< ol class = "- topic/ol ol" id = "sdmc_test_guide__ol_sdm_52b_ndc" data-ofbid = "sdmc_test_guide__ol_sdm_52b_ndc" > < li class = "- topic/li li" data-ofbid = "d197519e186__20250121171633" > < strong class = "+ topic/ph hi-d/b ph b" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > < / strong > < div class = "- topic/p p" data-ofbid = "d197519e190__20250121171633" > 在 Luban 根目录，运行
< span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > menuconfig< / span > ，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_wrh_52b_ndc" data-ofbid = "sdmc_test_guide__codeblock_wrh_52b_ndc" > Third-party packages
[*] iozone< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d197519e197__20250121171633" >
< div class = "- topic/p p" data-ofbid = "d197519e199__20250121171633" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 测试需要用到块设备，必须要将内核中的 MMC Block
打开：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__pre_czx_frt_c1c" data-ofbid = "sdmc_test_guide__pre_czx_frt_c1c" > Linux
Device Drivers
< *> MMC/SD/SDIO card support
< *> MMC block device driver
< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d197519e206__20250121171633" >
< p class = "- topic/p p" data-ofbid = "d197519e208__20250121171633" > 除了执行性能测试外，< code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 还可以用作稳定性测试，只需使用脚本长时间循环运行
< code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 测试即可。< / p >
< div class = "- topic/p p" data-ofbid = "d197519e217__20250121171633" > 详细的测试步骤如下所示：< ol class = "- topic/ol ol" type = "a" id = "sdmc_test_guide__ol_dzx_frt_c1c" data-ofbid = "sdmc_test_guide__ol_dzx_frt_c1c" > < li class = "- topic/li li" data-ofbid = "d197519e220__20250121171633" > 将 MMC 或 SDCard 块设备格式化为 ext4 文件系统。< / li > < li class = "- topic/li li" data-ofbid = "d197519e222__20250121171633" > 将格式化后的块设备挂载到一个特定路径。< / li > < li class = "- topic/li li" data-ofbid = "d197519e224__20250121171633" > 在该路径中运行 < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 工具。< p class = "- topic/p p" data-ofbid = "d197519e229__20250121171633" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code >
运行过程中会在当前目录下创建一个临时文件，该文件的大小会根据测试数据粒度而自动调整。< / p > < / li > < / ol > < div class = "- topic/note note note note_note" id = "sdmc_test_guide__note_azc_3rt_c1c" data-ofbid = "sdmc_test_guide__note_azc_3rt_c1c" > < span class = "note__title" > 注：< / span > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code >
支持将性能数据作为结果存储到一个 Excel 文件中，方便查看。< / div > < / div >
< div class = "- topic/p p" data-ofbid = "d197519e238__20250121171633" > 以下是调用 iozone
的循环测试脚本：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "sdmc_test_guide__codeblock_rnd_krt_c1c" data-ofbid = "sdmc_test_guide__codeblock_rnd_krt_c1c" > #!/bin/sh
< strong class = "hl-keyword" > if< / strong > [ ! -z $< span class = "hl-number" > 1< / span > ] & & [ ! -z $< span class = "hl-number" > 2< / span > ]; then
FILE_MIN_SIZE=$< span class = "hl-number" > 1< / span >
FILE_MAX_SIZE=$< span class = "hl-number" > 2< / span >
< strong class = "hl-keyword" > else< / strong >
FILE_MIN_SIZE=< span class = "hl-number" > 16< / span > m
FILE_MAX_SIZE=< span class = "hl-number" > 128< / span > m
fi
RESULT_FILE=iozone_result.xls
TMP_FILE=iozone.tmp
run_cmd()
{
echo
echo $< span class = "hl-number" > 1< / span >
echo
eval $< span class = "hl-number" > 1< / span >
}
mount_mmc()
{
HOSTNAME=`hostname`
< strong class = "hl-keyword" > if< / strong > [ $HOSTNAME = < span class = "hl-string" > "Artinchip"< / span > ]; then
WORKSPACE_DIR=/mnt/sdcard
MMC_DEV=/dev/mmcblk0p9
echo Mount $MMC_DEV ...
< strong class = "hl-keyword" > if< / strong > [ < span class = "hl-string" > "$1"< / span > != < span class = "hl-string" > "debug"< / span > ]; then
# mkfs.vfat $MMC_DEV < span class = "hl-number" > 2048000< / span >
mount -t vfat $MMC_DEV $WORKSPACE_DIR
fi
< strong class = "hl-keyword" > if< / strong > [ $? -ne < span class = "hl-number" > 0< / span > ]; then
echo ERR: Failed to mount $MMC_DEV
exit < span class = "hl-number" > 100< / span >
fi
< strong class = "hl-keyword" > else< / strong >
WORKSPACE_DIR=./mnt/sdcard
echo Use the local path: $WORKSPACE_DIR
fi
}
mount_udisk()
{
WORKSPACE_DIR=/mnt/usb
UDISK_DEV=/dev/sda1
echo Mount $UDISK_DEV ...
mount -t vfat $UDISK_DEV $WORKSPACE_DIR
< strong class = "hl-keyword" > if< / strong > [ $? -ne < span class = "hl-number" > 0< / span > ]; then
echo ERR: Failed to mount $UDISK_DEV
exit < span class = "hl-number" > 100< / span >
fi
}
mount_mtd()
{
WORKSPACE_DIR=/mnt/mtd
< strong class = "hl-keyword" > if< / strong > [ ! -d $WORKSPACE_DIR ]; then
mkdir -p $WORKSPACE_DIR
fi
}
umount_all()
{
cd -
umount -f $WORKSPACE_DIR
}
check_stop()
{
echo
echo Press \< span class = "hl-string" > 'any key\' + \'EnterKey\' to stop testing
< / span > read -t < span class = "hl-number" > 5< / span > CMD
< strong class = "hl-keyword" > if< / strong > [ ! -z $CMD ]; then
umount_all
exit < span class = "hl-number" > 100< / span >
fi
}
< strong class = "hl-keyword" > if< / strong > [ -b /dev/sda ]; then
mount_udisk
elif [ -b /dev/mmcblk0 ]; then
mount_mmc $< span class = "hl-number" > 1< / span >
elif [ -c /dev/mtd0 ]; then
mount_mtd
< strong class = "hl-keyword" > else< / strong >
echo There is no block device in the board!
exit < span class = "hl-number" > 110< / span >
fi
echo Enter workspace $WORKSPACE_DIR
cd $WORKSPACE_DIR
CNT=< span class = "hl-number" > 1< / span >
< strong class = "hl-keyword" > while< / strong > true
< strong class = "hl-keyword" > do< / strong >
echo
echo ----------------------------------------------------------
echo iozone test, count $CNT
echo ----------------------------------------------------------
date
run_cmd < span class = "hl-string" > "iozone -a -V -n $FILE_MIN_SIZE -g $FILE_MAX_SIZE -q 16m -w -b $RESULT_FILE -f $TMP_FILE"< / span >
check_stop
CNT=`expr $CNT + < span class = "hl-number" > 1< / span > `
done
< / pre > < / 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 = "#sdmc_test_guide__section_rxz_vdb_ndc" data-tocid = "sdmc_test_guide__section_rxz_vdb_ndc" > 测试环境< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#sdmc_test_guide__section_x2p_ydb_ndc" data-tocid = "sdmc_test_guide__section_x2p_ydb_ndc" > < code class = "+ topic/ph pr-d/codeph ph codeph" > mmc_test< / code > 测试< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#sdmc_test_guide__section_ibj_12b_ndc" data-tocid = "sdmc_test_guide__section_ibj_12b_ndc" > < code class = "+ topic/ph pr-d/codeph ph codeph" > iozone< / code > 测试< / 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: 2025-01-21
< / 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 >
2025-01-23 16:37:00 +08:00
< / html >
