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product of our partner SEGGER J-Trace PRO all-in-one debug and trace probe for ARM, RISC-V, and other CPU architectures.
Home » Tools » J-Trace PRO

J-Trace PRO

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J-Trace PRO is SEGGER's "all-in-one" streaming trace probe for any popular CPU core and architecture. It combines all the debug capabilities of the market-leading J-Link with the analyzing, verifying and code-profiling features of the J-Trace for Arm- and RISC-V-based architectures.

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SEGGER's J-Trace PRO captures complete instruction traces over unlimited periods of time with no limit set on the amount of trace data — thereby enabling the recording of infrequent, hard-to-reproduce bugs. This is particularly helpful when the program flow ‘runs off the rails’ and stops in a fault state. This gives developers all the insight they need to develop and optimize code.

Features include unlimited Live Code Coverage (so engineers have visibility over which parts of the application code have been executed) and Live Code Profiling (providing visibility as to which instructions have been executed and how often, so hotspots can be addressed and optimization opportunities identified). The SuperSpeed USB 3.0 interface of J-Trace PRO enables continuous streaming strace via USB with the full trace clock.

J-Trace PRO offers multi-platform support (Windows, macOS, Linux), up to 4 MB/s download speed, and comes with Ethernet interfaces. It ships with every feature enabled, including Unlimited Flash Breakpoints and real-time analysis with the Ozone debugger and performance analyzer, at no additional cost.

SEGGER J-Trace PRO

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Key features

  • Streaming trace probe with SuperSpeed USB3.0 interface and Gigabit Ethernet
  • Download speed up to 4 MB/s
  • Unlimited breakpoints in flash memory (Unlimited Flash Breakpoints)
  • Use with Ozone and J-Flash
  • Real-time streaming at full System Clock
  • Fine-tune applications with Live Code Profiling
  • Instruction-level code coverage to satisfy regulatory requirements
  • Unlimited trace to isolate & identify hidden code defects
  • Supports all popular devices (Arm, RISC-V, Microchip PIC32, Renesas RX, SiLabs 8051, Cadence Tensilica)
  • Full J-Link debug functionality

Front view of the SEGGER J-Trace PRO showing Debug + Trace and Debug connectors for JTAG/SWD and trace interfaces

Debug and trace connectors

J-Trace has two connectors. The pinout of the debug and trace connector is in the SEGGER knowledge base. The debug connector is for debug only and can be used with target adapters for J-Link.

Please note that only one connector can be used at a time.

Software

All software is included free of charge.

André De Ceuninck

André De Ceuninck

Software Quality | Testing | Certification

Tracing just got easier

SEGGER's J-Trace PRO captures complete instruction traces over unlimited periods of time with no limit set on the amount of trace data — thereby enabling the recording of infrequent, hard-to-reproduce bugs. The Holy Grail of every software developer.

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