https://wiki.st.com/stm32mpu/index.php?title=Strace&feed=atom&action=history
Strace - Revision history
2024-03-28T17:00:02Z
Revision history for this page on the wiki
MediaWiki 1.31.16
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=88670&oldid=prev
Jean Christophe Trotin at 09:56, 24 October 2022
2022-10-24T09:56:20Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 09:56, 24 October 2022</td>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><noinclude></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ ArticleBasedOnModel | Trace and debug tools article model }}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ ArticleBasedOnModel | Trace and debug tools article model }}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ PublicationRequestId | 9040 | 12Oct'18 }}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ PublicationRequestId | 9040 | 12Oct'18 }}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Linux tracing tools]]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Linux tracing tools]]</div></td></tr>
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Jean Christophe Trotin
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=84625&oldid=prev
Jean-philippe Romain at 10:02, 4 April 2022
2022-04-04T10:02:16Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 10:02, 4 April 2022</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><noinclude>{{ApplicableFor</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|MPUs list=STM32MP13x, STM32MP15x</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|MPUs checklist=STM32MP13x,STM32MP15x</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">}}</noinclude></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the basic information needed to start using the Linux tool: '''strace'''<ref name=stracedotio/>.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the basic information needed to start using the Linux tool: '''strace'''<ref name=stracedotio/>.</div></td></tr>
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Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=59777&oldid=prev
Jean-philippe Romain at 07:50, 4 September 2019
2019-09-04T07:50:45Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 07:50, 4 September 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l21" >Line 21:</td>
<td colspan="2" class="diff-lineno">Line 21:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /usr/bin/strace</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /usr/bin/strace</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''strace''' is integrated in weston image distribution through meta-st package: ''meta-st/meta-st-openstlinux/recipes-st/packagegroups/packagegroup-framework-tools.bb''.  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''strace''' is integrated in weston image distribution through meta-st package: <ins class="diffchange diffchange-inline"><code></ins>''meta-st/meta-st-openstlinux/recipes-st/packagegroups/packagegroup-framework-tools.bb''<ins class="diffchange diffchange-inline"></code></ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  RDEPENDS_packagegroup-framework-tools-kernel-base = "\</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  RDEPENDS_packagegroup-framework-tools-kernel-base = "\</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     can-utils      \</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     can-utils      \</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /system/bin/strace</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /system/bin/strace</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It is integrated in Android image distribution through Android base makefile: ''build/make/target/product/base.mk'':  </div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It is integrated in Android image distribution through Android base makefile: <ins class="diffchange diffchange-inline"><code></ins>''build/make/target/product/base.mk''<ins class="diffchange diffchange-inline"></code></ins>:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  # Packages included only for eng or userdebug builds, previously debug tagged</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  # Packages included only for eng or userdebug builds, previously debug tagged</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  PRODUCT_PACKAGES_DEBUG := \</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  PRODUCT_PACKAGES_DEBUG := \</div></td></tr>
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Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=58034&oldid=prev
Jean-philippe Romain: /* Using the STM32MPU Embedded Software distribution for Android™ */
2019-08-01T09:19:36Z
<p><span dir="auto"><span class="autocomment">Using the STM32MPU Embedded Software distribution for Android™</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 09:19, 1 August 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l35" >Line 35:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Using the STM32MPU Embedded Software distribution for Android&trade; ===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Using the STM32MPU Embedded Software distribution for Android&trade; ===</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''strace''' is installed by default (/system/bin/<del class="diffchange diffchange-inline">ip</del>) and is ready to be used with all STM32MPU software packages for Android&trade;.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''strace''' is installed by default (/system/bin/<ins class="diffchange diffchange-inline">strace</ins>) and is ready to be used with all STM32MPU software packages for Android&trade;.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} which strace</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} which strace</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /system/bin/strace</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  /system/bin/strace</div></td></tr>
</table>
Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=58031&oldid=prev
Jean-philippe Romain at 09:12, 1 August 2019
2019-08-01T09:12:36Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 09:12, 1 August 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l50" >Line 50:</td>
<td colspan="2" class="diff-lineno">Line 50:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>To use '''strace''', two main methods:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>To use '''strace''', two main methods:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* by giving, as parameter, the name of program for which you want to list system calls, and its arguments if required:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* by giving, as parameter, the name of program for which you want to list system calls, and its arguments if required:</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace {{<del class="diffchange diffchange-inline">orange</del>|<del class="diffchange diffchange-inline"><</del>''Program''<del class="diffchange diffchange-inline">></del>}} {{<del class="diffchange diffchange-inline">orange</del>|[''Prog_Args'']}}</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace {{<ins class="diffchange diffchange-inline">HighlightParam</ins>|''<ins class="diffchange diffchange-inline"><</ins>Program<ins class="diffchange diffchange-inline">></ins>''}} {{<ins class="diffchange diffchange-inline">HighlightParam</ins>|[''Prog_Args'']}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* by giving, as parameter, the PID of the process to be studied:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* by giving, as parameter, the PID of the process to be studied:</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace -p {{<del class="diffchange diffchange-inline">orange</del>|<del class="diffchange diffchange-inline"><</del>''PID''<del class="diffchange diffchange-inline">></del>}}</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace -p {{<ins class="diffchange diffchange-inline">HighlightParam</ins>|''<ins class="diffchange diffchange-inline"><</ins>PID<ins class="diffchange diffchange-inline">></ins>''}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Some of useful command options:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Some of useful command options:</div></td></tr>
</table>
Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=57992&oldid=prev
Jean-philippe Romain at 07:52, 1 August 2019
2019-08-01T07:52:01Z
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 07:52, 1 August 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><noinclude></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ArticleBasedOnModel|[[Trace and debug tools article model]]}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ArticleMainWriter|Jean-PhilippeR }}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{ ArticleApprovedVersion | Jean-PhilippeR | Jean-ChristopheT, AlexandreT, PascalP  | No previous approved version  | BrunoB - 12Oct'18 - 9040 | 17Oct'18 }}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Linux tracing tools]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></noinclude></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Article purpose==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the basic information needed to start using the Linux tool: '''strace'''<ref name=stracedotio/>.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This article provides the basic information needed to start using the Linux tool: '''strace'''<ref name=stracedotio/>.</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l18" >Line 18:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  | style="text-align:left;" | '''strace'''<ref name=stracedotio>https://strace.io/</ref> is able to intercept and record the system calls which are called by a process and the signals which are received by another process.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  | style="text-align:left;" | '''strace'''<ref name=stracedotio>https://strace.io/</ref> is able to intercept and record the system calls which are called by a process and the signals which are received by another process.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  | {{Y}} || {{Y}} || {{Y}}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  | {{Y}} || {{Y}} || {{Y}}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  | <del class="diffchange diffchange-inline">colspan="3" </del>| {{<del class="diffchange diffchange-inline">UnderConstruction</del>}}</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  | <ins class="diffchange diffchange-inline">{{Y}} || {{Y}} |</ins>| {{<ins class="diffchange diffchange-inline">Y</ins>}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  |-</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>  |-</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></onlyinclude></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></onlyinclude></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44" >Line 44:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Using the STM32MPU Embedded Software distribution for Android&trade; ===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Using the STM32MPU Embedded Software distribution for Android&trade; ===</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{<del class="diffchange diffchange-inline">UnderConstruction</del>}}</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">'''strace''' is installed by default (/system/bin/ip) and is ready to be used with all STM32MPU software packages for Android&trade;.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> </ins>{{<ins class="diffchange diffchange-inline">Board$}} which strace</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> /system/bin/strace</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">It is integrated in Android image distribution through Android base makefile: ''build/make/target/product/base.mk'': </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> # Packages included only for eng or userdebug builds, previously debug tagged</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> PRODUCT_PACKAGES_DEBUG := \</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">    logpersist.start \</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">    perfprofd \</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">    sqlite3 \</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">    {{green|'''strace'''</ins>}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Getting started ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Getting started ==</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l294" >Line 294:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| thegeekstuff.com</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| thegeekstuff.com</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{ ArticleBasedOnModel | Trace and debug tools article model }}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{ PublicationRequestId | 9040 | 12Oct'18 }}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Linux tracing tools]]</ins></div></td></tr>
</table>
Jean-philippe Romain
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=52635&oldid=prev
Hugues Fruchet: use of template {{av_ref_file}} for video file
2019-02-13T16:49:29Z
<p>use of template {{av_ref_file}} for video file</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 16:49, 13 February 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l64" >Line 64:</td>
<td colspan="2" class="diff-lineno">Line 64:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Example ===</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Example ===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As example, this is possible to get system call for a [[Gst-play#Basic_audio/video_playback|multimedia file playback with gst-play]]:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As example, this is possible to get system call for a [[Gst-play#Basic_audio/video_playback|multimedia file playback with gst-play]]:</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace -rT -a 100 gst-play-1.0 <del class="diffchange diffchange-inline">big_buck_bunny_480p_VP8_VORBIS_25fps_1900K_short.WebM</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  {{Board$}} strace -rT -a 100 gst-play-1.0 <ins class="diffchange diffchange-inline">{{av_ref_file}}</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>     0.000000 execve("/usr/bin/gst-play-1.0", ["gst-play-1.0", "<del class="diffchange diffchange-inline">big_buck_bunny_480p_VP8_VORBIS_2</del>"...], 0xbeb10c00 /* 24 vars */) = 0 <0.001485></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>     0.000000 execve("/usr/bin/gst-play-1.0", ["gst-play-1.0", "<ins class="diffchange diffchange-inline">[...]</ins>"...], 0xbeb10c00 /* 24 vars */) = 0 <0.001485></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     0.002800 brk(NULL)                                                                            = 0x28000 <0.000069></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     0.002800 brk(NULL)                                                                            = 0x28000 <0.000069></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     0.000717 uname({sysname="Linux", nodename="stm32mp1", ...})                                    = 0 <0.000069></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>     0.000717 uname({sysname="Linux", nodename="stm32mp1", ...})                                    = 0 <0.000069></div></td></tr>
</table>
Hugues Fruchet
https://wiki.st.com/stm32mpu/index.php?title=Strace&diff=47313&oldid=prev
Frq07399 at 10:00, 10 January 2019
2019-01-10T10:00:07Z
<p></p>
<p><b>New page</b></p><div><noinclude><br />
{{ArticleBasedOnModel|[[Trace and debug tools article model]]}}<br />
{{ArticleMainWriter|Jean-PhilippeR }}<br />
<br />
{{ ArticleApprovedVersion | Jean-PhilippeR | Jean-ChristopheT, AlexandreT, PascalP | No previous approved version | BrunoB - 12Oct'18 - 9040 | 17Oct'18 }}<br />
<br />
[[Category:Linux tracing tools]]<br />
</noinclude><br />
<br />
==Article purpose==<br />
This article provides the basic information needed to start using the Linux tool: '''strace'''<ref name=stracedotio/>.<br />
<br />
==Introduction==<br />
{{:Trace_and_debug_tools_assignment_table_template}}<br />
<onlyinclude><br />
| [[Strace|strace]]<br />
| [[:Category:Tracing tools|Tracing tools]]<br />
| style="text-align:left;" | '''strace'''<ref name=stracedotio>https://strace.io/</ref> is able to intercept and record the system calls which are called by a process and the signals which are received by another process.<br />
| {{Y}} || {{Y}} || {{Y}}<br />
| colspan="3" | {{UnderConstruction}}<br />
|-<br />
</onlyinclude><br />
|}<br />
<br />
== Installing the trace and debug tool on your target board ==<br />
<br />
=== Using the STM32MPU Embedded Software distribution ===<br />
'''strace''' is installed by default and ready to be used with all STM32MPU Embedded Software Packages.<br />
{{Board$}} which strace<br />
/usr/bin/strace<br />
<br />
'''strace''' is integrated in weston image distribution through meta-st package: ''meta-st/meta-st-openstlinux/recipes-st/packagegroups/packagegroup-framework-tools.bb''. <br />
RDEPENDS_packagegroup-framework-tools-kernel-base = "\<br />
can-utils \<br />
i2c-tools \<br />
{{green|'''strace'''}} \<br />
usbutils \<br />
\<br />
evtest \<br />
memtester \<br />
mtd-utils \<br />
v4l-utils \<br />
"<br />
<br />
=== Using the STM32MPU Embedded Software distribution for Android&trade; ===<br />
{{UnderConstruction}}<br />
<br />
== Getting started ==<br />
To use '''strace''', two main methods:<br />
* by giving, as parameter, the name of program for which you want to list system calls, and its arguments if required:<br />
{{Board$}} strace {{orange|<''Program''>}} {{orange|[''Prog_Args'']}}<br />
* by giving, as parameter, the PID of the process to be studied:<br />
{{Board$}} strace -p {{orange|<''PID''>}}<br />
<br />
Some of useful command options:<br />
'''-a <num>''' : alignment ''num'' COLUMN for printing syscall results<br />
'''-r''' : print relative timestamp<br />
'''-t''' : print absolute timestamp<br />
'''-T''' : print time spent in each syscall<br />
<br />
Other options can be set. For detail, please refer to manual page<ref>http://man7.org/linux/man-pages/man1/strace.1.html</ref>.<br />
<br />
== To go further ==<br />
=== Example ===<br />
As example, this is possible to get system call for a [[Gst-play#Basic_audio/video_playback|multimedia file playback with gst-play]]:<br />
{{Board$}} strace -rT -a 100 gst-play-1.0 big_buck_bunny_480p_VP8_VORBIS_25fps_1900K_short.WebM<br />
<pre><br />
0.000000 execve("/usr/bin/gst-play-1.0", ["gst-play-1.0", "big_buck_bunny_480p_VP8_VORBIS_2"...], 0xbeb10c00 /* 24 vars */) = 0 <0.001485><br />
0.002800 brk(NULL) = 0x28000 <0.000069><br />
0.000717 uname({sysname="Linux", nodename="stm32mp1", ...}) = 0 <0.000069><br />
0.000591 mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6fa2000 <0.000093><br />
0.000673 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) <0.000109><br />
0.000734 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 <0.000115><br />
0.000669 fstat64(3, {st_mode=S_IFREG|0644, st_size=24533, ...}) = 0 <0.000069><br />
0.000619 mmap2(NULL, 24533, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb6f9c000 <0.000091><br />
0.000599 close(3) = 0 <0.000065><br />
0.000668 openat(AT_FDCWD, "/usr/lib/libgstpbutils-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000114><br />
0.000646 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\300\234\0\0004\0\0\0"..., 512) = 512 <0.000083><br />
0.000611 fstat64(3, {st_mode=S_IFREG|0755, st_size=195640, ...}) = 0 <0.000080><br />
0.000712 mmap2(NULL, 260004, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6f34000 <0.000088><br />
0.000596 mprotect(0xb6f62000, 61440, PROT_NONE) = 0 <0.000098><br />
0.000609 mmap2(0xb6f71000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2d000) = 0xb6f71000 <0.000147><br />
0.000811 close(3) = 0 <0.000070><br />
0.000706 openat(AT_FDCWD, "/usr/lib/libgstvideo-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000138><br />
0.000754 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0P\317\0\0004\0\0\0"..., 512) = 512 <0.000079><br />
0.000612 fstat64(3, {st_mode=S_IFREG|0755, st_size=486440, ...}) = 0 <0.000070><br />
0.000618 mmap2(NULL, 552344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6ead000 <0.000087><br />
0.000601 mprotect(0xb6f1c000, 61440, PROT_NONE) = 0 <0.000092><br />
0.000610 mmap2(0xb6f2b000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6e000) = 0xb6f2b000 <0.000132><br />
0.000709 close(3) = 0 <0.000067><br />
0.000712 openat(AT_FDCWD, "/usr/lib/libgstaudio-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000121><br />
0.000673 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\0\236\0\0004\0\0\0"..., 512) = 512 <0.000078><br />
0.000606 fstat64(3, {st_mode=S_IFREG|0755, st_size=375816, ...}) = 0 <0.000067><br />
0.000623 mmap2(NULL, 440684, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6e41000 <0.000150><br />
0.000692 mprotect(0xb6e9b000, 61440, PROT_NONE) = 0 <0.000096><br />
0.000606 mmap2(0xb6eaa000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x59000) = 0xb6eaa000 <0.000130><br />
0.000722 close(3) = 0 <0.000071><br />
0.000700 openat(AT_FDCWD, "/usr/lib/libgsttag-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000135><br />
0.000755 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\370d\0\0004\0\0\0"..., 512) = 512 <0.000080><br />
0.000613 fstat64(3, {st_mode=S_IFREG|0755, st_size=215824, ...}) = 0 <0.000068><br />
0.000617 mmap2(NULL, 280136, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6dfc000 <0.000087><br />
0.000597 mprotect(0xb6e2f000, 65536, PROT_NONE) = 0 <0.000090><br />
0.000617 mmap2(0xb6e3f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x33000) = 0xb6e3f000 <0.000121><br />
0.000702 close(3) = 0 <0.000070><br />
0.009092 openat(AT_FDCWD, "/usr/lib/libgstreamer-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000146><br />
0.010000 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\270\371\1\0004\0\0\0"..., 512) = 512 <0.000088><br />
0.010392 fstat64(3, {st_mode=S_IFREG|0755, st_size=1116268, ...}) = 0 <0.000072><br />
0.010210 mmap2(NULL, 1184392, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6cda000 <0.000107><br />
0.010879 mprotect(0xb6de7000, 61440, PROT_NONE) = 0 <0.000106><br />
0.010048 mmap2(0xb6df6000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10c000) = 0xb6df6000 <0.000186><br />
0.011926 mmap2(0xb6dfb000, 648, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb6dfb000 <0.000141><br />
0.011239 close(3) = 0 <0.000073><br />
0.010260 openat(AT_FDCWD, "/usr/lib/libgobject-2.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000147><br />
0.009916 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\250\212\0\0004\0\0\0"..., 512) = 512 <0.000095><br />
0.010372 fstat64(3, {st_mode=S_IFREG|0755, st_size=294000, ...}) = 0 <0.000075><br />
0.010086 mmap2(NULL, 359636, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6c82000 <0.000102><br />
0.010916 mprotect(0xb6cc9000, 61440, PROT_NONE) = 0 <0.000103><br />
0.010033 mmap2(0xb6cd8000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x46000) = 0xb6cd8000 <0.000143><br />
0.011876 close(3) = 0 <0.000074><br />
0.010153 openat(AT_FDCWD, "/usr/lib/libglib-2.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000146><br />
0.009983 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0XX\1\0004\0\0\0"..., 512) = 512 <0.000088><br />
0.010209 fstat64(3, {st_mode=S_IFREG|0755, st_size=990348, ...}) = 0 <0.000075><br />
0.010215 mmap2(NULL, 1056232, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6b80000 <0.000103><br />
0.010881 mprotect(0xb6c71000, 61440, PROT_NONE) = 0 <0.000100><br />
0.010032 mmap2(0xb6c80000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf0000) = 0xb6c80000 <0.000150><br />
0.011792 close(3) = 0 <0.000073><br />
0.010218 openat(AT_FDCWD, "/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = 3 <0.000140><br />
0.010000 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\220E\0\0004\0\0\0"..., 512) = 512 <0.000084><br />
0.010212 fstat64(3, {st_mode=S_IFREG|0755, st_size=452028, ...}) = 0 <0.000073><br />
0.010207 mmap2(NULL, 516216, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6b01000 <0.000101><br />
0.010877 mprotect(0xb6b6f000, 61440, PROT_NONE) = 0 <0.000110><br />
0.010035 mmap2(0xb6b7e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6d000) = 0xb6b7e000 <0.000152><br />
0.011806 close(3) = 0 <0.000075><br />
0.010130 openat(AT_FDCWD, "/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000134><br />
0.010086 read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\214H\0\0004\0\0\0"..., 512) = 512 <0.000085><br />
0.010211 fstat64(3, {st_mode=S_IFREG|0755, st_size=92656, ...}) = 0 <0.000074><br />
0.010208 mmap2(NULL, 164424, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6ad8000 <0.000100><br />
0.010813 mprotect(0xb6aee000, 61440, PROT_NONE) = 0 <0.000108><br />
0.010205 mmap2(0xb6afd000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0xb6afd000 <0.000172><br />
0.011742 mmap2(0xb6aff000, 4680, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb6aff000 <0.000137><br />
0.011249 close(3) = 0 <0.000072><br />
0.010170 openat(AT_FDCWD, "/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 <0.000149><br />
0.009988 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\34l\1\0004\0\0\0"..., 512) = 512 <0.000088><br />
0.010219 fstat64(3, {st_mode=S_IFREG|0755, st_size=1218336, ...}) = 0 <0.000075><br />
0.010198 mmap2(NULL, 1287556, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb699d000 <0.000105><br />
0.010876 mprotect(0xb6ac3000, 61440, PROT_NONE) = 0 <0.000132><br />
0.010123 mmap2(0xb6ad2000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x125000) = 0xb6ad2000 <0.000177><br />
0.011925 mmap2(0xb6ad5000, 9604, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb6ad5000 <0.000141><br />
0.011252 close(3) = 0 <0.000077><br />
0.010267 openat(AT_FDCWD, "/usr/lib/liborc-0.4.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000150><br />
0.009799 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0`u\0\0004\0\0\0"..., 512) = 512 <0.000090><br />
0.010386 fstat64(3, {st_mode=S_IFREG|0755, st_size=402508, ...}) = 0 <0.000073><br />
0.010032 mmap2(NULL, 466900, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb692b000 <0.000098><br />
0.010893 mprotect(0xb698a000, 61440, PROT_NONE) = 0 <0.000103><br />
0.010193 mmap2(0xb6999000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5e000) = 0xb6999000 <0.000141><br />
0.011890 close(3) = 0 <0.000073><br />
0.010150 openat(AT_FDCWD, "/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = 3 <0.000149><br />
0.009972 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\300\32\0\0004\0\0\0"..., 512) = 512 <0.000090><br />
0.010203 fstat64(3, {st_mode=S_IFREG|0755, st_size=79468, ...}) = 0 <0.000074><br />
0.010227 mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f9a000 <0.000105><br />
0.010939 mmap2(NULL, 143584, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6907000 <0.000098><br />
0.010737 mprotect(0xb691a000, 61440, PROT_NONE) = 0 <0.000104><br />
0.010209 mmap2(0xb6929000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12000) = 0xb6929000 <0.000152><br />
0.011788 close(3) = 0 <0.000075><br />
0.010144 openat(AT_FDCWD, "/usr/lib/libgstbase-1.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000149><br />
0.009981 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\20\244\0\0004\0\0\0"..., 512) = 512 <0.000083><br />
0.010217 fstat64(3, {st_mode=S_IFREG|0755, st_size=375700, ...}) = 0 <0.000073><br />
0.010125 mmap2(NULL, 440032, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb689b000 <0.000104><br />
0.010882 mprotect(0xb68f6000, 61440, PROT_NONE) = 0 <0.000110><br />
0.010198 mmap2(0xb6905000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5a000) = 0xb6905000 <0.000149><br />
0.011807 close(3) = 0 <0.000075><br />
0.010290 openat(AT_FDCWD, "/usr/lib/libgmodule-2.0.so.0", O_RDONLY|O_CLOEXEC) = 3 <0.000143><br />
0.009822 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\230\f\0\0004\0\0\0"..., 512) = 512 <0.000081><br />
0.010205 fstat64(3, {st_mode=S_IFREG|0755, st_size=13764, ...}) = 0 <0.000074><br />
0.010219 mmap2(NULL, 78056, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6887000 <0.000099><br />
0.010891 mprotect(0xb6889000, 65536, PROT_NONE) = 0 <0.000106><br />
0.010105 mmap2(0xb6899000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0xb6899000 <0.000229><br />
0.011760 close(3) = 0 <0.000076><br />
0.009988 openat(AT_FDCWD, "/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = 3 <0.000160><br />
0.010017 read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0@\27\0\0004\0\0\0"..., 512) = 512 <0.000092><br />
0.010371 fstat64(3, {st_mode=S_IFREG|0755, st_size=26520, ...}) = 0 <0.000076><br />
0.010039 mmap2(NULL, 90640, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb6870000 <0.000113><br />
0.010881 mprotect(0xb6876000, 61440, PROT_NONE) = 0 <0.000116><br />
0.010223 mmap2(0xb6885000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0xb6885000 <0.000169><br />
0.011617 close(3) = 0 <0.000073><br />
0.010093 openat(AT_FDCWD, "/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3 <0.000151><br />
0.010016 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0l\t\0\0004\0\0\0"..., 512) = 512 <0.000088><br />
0.010390 fstat64(3, {st_mode=S_IFREG|0755, st_size=9688, ...}) = 0 <0.000075><br />
0.010039 mmap2(NULL, 73916, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb685d000 <0.000123><br />
0.010884 mprotect(0xb685f000, 61440, PROT_NONE) = 0 <0.000108><br />
0.010192 mmap2(0xb686e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0xb686e000 <0.000152><br />
0.011636 close(3) = 0 <0.000073><br />
0.010119 openat(AT_FDCWD, "/usr/lib/libpcre.so.1", O_RDONLY|O_CLOEXEC) = 3 <0.000151><br />
0.010004 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\10\16\0\0004\0\0\0"..., 512) = 512 <0.000091><br />
0.010378 fstat64(3, {st_mode=S_IFREG|0755, st_size=263672, ...}) = 0 <0.000075><br />
0.010090 mmap2(NULL, 327900, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb680c000 <0.000107><br />
0.010920 mprotect(0xb684c000, 61440, PROT_NONE) = 0 <0.000104><br />
0.010024 mmap2(0xb685b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3f000) = 0xb685b000 <0.000146><br />
0.011805 close(3) = 0 <0.000074><br />
0.010104 openat(AT_FDCWD, "/usr/lib/libffi.so.6", O_RDONLY|O_CLOEXEC) = 3 <0.000143><br />
0.010024 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\\\23\0\0004\0\0\0"..., 512) = 512 <0.000086><br />
0.010382 fstat64(3, {st_mode=S_IFREG|0755, st_size=26232, ...}) = 0 <0.000073><br />
0.010051 mmap2(NULL, 90920, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb67f5000 <0.000105><br />
0.010872 mprotect(0xb67fb000, 61440, PROT_NONE) = 0 <0.000102><br />
0.010200 mmap2(0xb680a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0xb680a000 <0.000148><br />
0.011641 close(3) = 0 <0.000075><br />
0.010292 openat(AT_FDCWD, "/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3 <0.000137><br />
0.009911 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0(\0\1\0\0\0\340\320\0\0004\0\0\0"..., 512) = 512 <0.000086><br />
0.010385 fstat64(3, {st_mode=S_IFREG|0644, st_size=116300, ...}) = 0 <0.000074><br />
0.010041 mmap2(NULL, 180524, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb67c8000 <0.000104><br />
0.010880 mprotect(0xb67e4000, 61440, PROT_NONE) = 0 <0.000118><br />
0.010201 mmap2(0xb67f3000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0xb67f3000 <0.000148><br />
0.011796 close(3) = 0 <0.000086><br />
0.010379 mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f98000 <0.000101><br />
0.010683 set_tls(0xb6f98b20, 0xb6f99218, 0xb6fa5000, 0xb6f98b20, 0xb6fa5000) = 0 <0.000072><br />
0.010361 mprotect(0xb6ad2000, 8192, PROT_READ) = 0 <0.000142><br />
0.009734 mprotect(0xb67f3000, 4096, PROT_READ) = 0 <0.000106><br />
0.010069 mprotect(0xb680a000, 4096, PROT_READ) = 0 <0.000097><br />
0.010222 mprotect(0xb685b000, 4096, PROT_READ) = 0 <0.000093><br />
0.010220 mprotect(0xb686e000, 4096, PROT_READ) = 0 <0.000103><br />
0.010384 mprotect(0xb6afd000, 4096, PROT_READ) = 0 <0.000112><br />
0.010054 mprotect(0xb6885000, 4096, PROT_READ) = 0 <0.000103><br />
0.009813 mprotect(0xb6c80000, 4096, PROT_READ) = 0 <0.000100><br />
0.010081 mprotect(0xb6899000, 4096, PROT_READ) = 0 <0.000098><br />
0.010369 mprotect(0xb6cd8000, 4096, PROT_READ) = 0 <0.000126><br />
0.009958 mprotect(0xb6b7e000, 4096, PROT_READ) = 0 <0.000106><br />
0.010580 mprotect(0xb6df6000, 12288, PROT_READ) = 0 <0.000124><br />
0.009648 mprotect(0xb6905000, 4096, PROT_READ) = 0 <0.000105><br />
0.010043 mprotect(0xb6929000, 4096, PROT_READ) = 0 <0.000104><br />
0.010156 mprotect(0xb6999000, 4096, PROT_READ) = 0 <0.000107><br />
0.010271 mprotect(0xb6e3f000, 4096, PROT_READ) = 0 <0.000105><br />
0.010043 mprotect(0xb6eaa000, 8192, PROT_READ) = 0 <0.000106><br />
0.010246 mprotect(0xb6f2b000, 32768, PROT_READ) = 0 <0.000132><br />
0.010042 mprotect(0xb6f71000, 8192, PROT_READ) = 0 <0.000108><br />
0.009957 mprotect(0x26000, 4096, PROT_READ) = 0 <0.000105><br />
0.010137 mprotect(0xb6fa4000, 4096, PROT_READ) = 0 <0.000107><br />
0.010023 munmap(0xb6f9c000, 24533) = 0 <0.000165><br />
0.010125 set_tid_address(0xb6f986c8) = 865 <0.000069><br />
0.010190 set_robust_list(0xb6f986d0, 12) = 0 <0.000066><br />
0.010395 rt_sigaction(SIGRTMIN, {sa_handler=0xb6adc24c, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0xb69c8a60}, NULL, 8) = 0 <0.000084><br />
0.013419 rt_sigaction(SIGRT_1, {sa_handler=0xb6adc308, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0xb69c8a60}, NULL, 8) = 0 <0.000074><br />
0.014382 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 <0.000067><br />
0.010288 ugetrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0 <0.000071><br />
0.011172 brk(NULL) = 0x28000 <0.000079><br />
0.009511 brk(0x49000) = 0x49000 <0.000099><br />
0.012309 futex(0xb6c81cac, FUTEX_WAKE_PRIVATE, 2147483647) = 0 <0.000087><br />
0.008552 futex(0xb6c81cac, FUTEX_WAKE_PRIVATE, 2147483647) = 0 <0.000075><br />
0.011329 uname({sysname="Linux", nodename="stm32mp1", ...}) = 0 <0.000079><br />
0.009512 futex(0xb6c81cac, FUTEX_WAKE_PRIVATE, 2147483647) = 0 <0.000084><br />
0.009496 futex(0xb6c81cac, FUTEX_WAKE_PRIVATE, 2147483647) = 0 <0.000076><br />
0.010059 futex(0xb6c81cac, FUTEX_WAKE_PRIVATE, 2147483647) = 0 <0.000090><br />
...<br />
0.000866 poll([{fd=0, events=POLLIN}, {fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 3, 95) = 0 (Timeout) <0.103064><br />
0.103921 getpid() = 865 <0.000090><br />
0.001614 getpid() = 865 <0.000104><br />
0.001243 futex(0xb50715f0, FUTEX_WAKE_PRIVATE, 1) = 1 <0.000108><br />
) = 29 <0.000213> 290:00:01.7 / 0:00:04.0 <br />
0.000921 poll([{fd=0, events=POLLIN}, {fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 3, 94) = 0 (Timeout) <0.102831><br />
0.103744 getpid() = 865 <0.000117><br />
0.000806 futex(0xb50715f0, FUTEX_WAKE_PRIVATE, 1) = 1 <0.000129><br />
0.000953 getpid() = 865 <0.000101><br />
) = 29 <0.000230> 290:00:01.8 / 0:00:04.0 <br />
0.000919 poll([{fd=0, events=POLLIN}, {fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 3, 94) = 0 (Timeout) <0.103294><br />
0.104092 getpid() = 865 <0.000085><br />
0.000768 getpid() = 865 <0.000076><br />
) ) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) <0.028771><br />
strace: Process 865 detached<br />
</pre><br />
<br />
== References ==<br />
<references /><br />
<br />
<br />
*Useful external links<br />
{|-<br />
! scope=col | Document link<br />
! scope=col | Document Type<br />
! scope=col | Description<br />
|-<br />
| [http://linux.die.net/man/1/strace strace linux.die.net]<br />
| Standard<br />
| linux.die.net<br />
|-<br />
| [https://en.wikipedia.org/wiki/strace strace wikipedia.org]<br />
| Standard<br />
| wikipedia.org<br />
|-<br />
| [https://www.go4expert.com/articles/strace-linux-debugging-utility-t29091 How to use strace]<br />
| User Guide<br />
| go4expert.com<br />
|-<br />
| [http://www.thegeekstuff.com/2011/11/strace-examples strace examples]<br />
| Training<br />
| thegeekstuff.com<br />
|}</div>
Frq07399