realtime:documentation:howto:debugging:cyclictest-smi-ftrace
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realtime:documentation:howto:debugging:cyclictest-smi-ftrace [2018/08/21 10:18] ebugden [Cyclictest - SMI detection with function tracing] Update link |
realtime:documentation:howto:debugging:cyclictest-smi-ftrace [2018/08/21 13:12] ebugden Move to smi-latency folder |
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| - | The combination of options in this example is not appropriate for every test situation. More details about how to choose the right options for measuring a specific latency on a given system can be found in the Cyclictest documentation [[realtime:documentation:howto:debugging:cyclictest:test-design:start|here]]. | + | The combination of options in this example is not appropriate for every test situation. More details about how to choose the right options for measuring a specific latency on a given system can be found in the Cyclictest documentation [[realtime:documentation:howto:tools:cyclictest:test-design#option-selection|here]]. |
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| - | Function tracing slows down the execution of the program, so the target latency will most likely be longer after enabling tracing. It is important to adjust for this additional overhead because otherwise the tracing may not break on the correct latency and the trace may not contain the latency that was supposed to be observed. More details about how to adjust the break trace limit can be found in the documentation about debugging using Cyclictest [[realtime:documentation:howto:debugging:cyclictest:debugging#measuring-the-tracing-overhead|here]]. | + | Function tracing slows down the execution of the program, so the target latency will most likely be longer after enabling tracing. It is important to adjust for this additional overhead because otherwise the tracing may not break on the correct latency and the trace may not contain the latency that was supposed to be observed. More details about how to adjust the break trace limit can be found in the documentation about debugging using Cyclictest [[realtime:documentation:howto:tools:cyclictest:tracing#measuring-the-tracing-overhead|here]]. |
| ===== Analysis ===== | ===== Analysis ===== | ||
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