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>> ARM has supported such capability via the standard CoreSight Program Trace Macrocell (PTM)[3]/Embedded Trace Macrocell (ETM)[4] since at least 2000.

Where are the performace tools that wrap those capabilities? IPT has Magic Trace what is the equivalent tool for ARM?

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Green Hills Software Path Analyzer[1] and newer History[2] which likely invented or at least popularized the modern trace/callstack visualization used by Perfetto, Firefox Profiler, etc.

Segger trace[3].

Lauterbach trace[4].

TI Code Composer trace[5].

[1] https://www.ghs.com/video/debug_in_minutes.html

[2] https://ghs.com/products/MULTI_IDE.html

[3] https://youtu.be/sT7N580EI-M?si=53S_DQ5E4IN8AXqM

[4] https://www2.lauterbach.com/pdf/trace_tutorial.pdf

[5] https://software-dl.ti.com/ccs/esd/documents/users_guide_ccs...

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