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2013-04-09T14:44:23.110
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I've follow the instructions found here, related to ftrace,: <a href="http://www.linuxforu.com/2010/11/kernel-tracing-with-ftrace-part-1/" rel="noreferrer">http://www.linuxforu.com/2010/11/kernel-tracing-with-ftrace-part-1/</a> Everything works perfect. I wasn't able to execute ftrace before because interacting and retrieving data is done via logical paths. To execute ftrace, after correctly configuration (many steps...), inside adb shell: <pre><code>root@android:# cat /sys/kernel/debug/tracing/trace > mytracefile.txt </code></pre> atrace makes configuration process easier, so we can access to trace information the following way: <pre><code>root@android:# atrace -s -w -t 100 > mytracefile.txt </code></pre> On the other hand, I've found information about executing strace here: <a href="http://www.hokstad.com/5-simple-ways-to-troubleshoot-using-strace" rel="noreferrer">http://www.hokstad.com/5-simple-ways-to-troubleshoot-using-strace</a> All indicated examples were successfully executed in my environment using adb shell. Interaction and access to results of both tools are very different. Now I can say that systrace Android tool is based in atrace which in turn is based in ftrace. strace is also supported but serves to another purposes and is not related to systrace. Regards,
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1. POAndroid Systrace tool internally uses strace or ftrace?
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1. USRodmar Conde
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