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project:arm_debugging:start [2020/03/18 22:02]
abyssal [J-link/JTrace] SystemView, STLink to JLink flash, ARM ETM tracing
project:arm_debugging:start [2020/07/25 14:26] (current)
abyssal ARM ITM trace HOWTO
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 {{:​project:​arm_debugging:​ozone_error_shutdown_highlighted.png?​800|}} {{:​project:​arm_debugging:​ozone_error_shutdown_highlighted.png?​800|}}
 +
 +===== ARM ITM trace - recording samples of executed instructions,​ interrupts =====
 +
 +You can get code profile like this with ITM (screenshow from ''​orbtop''​):​
 +
 +{{:​project:​arm_debugging:​orbtop_trezor_lots_of_segwit_inputs.png|}}
 +
 +To get this working, [[https://​github.com/​hiviah/​ITM-howto-JLink-STLink|follow this howto]]. It shows steps to be used with JLink/​JTrace or STLink to get it moving.
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