Embedded Systems Design Europe - October 2007 - (Page 17) debug Trace exposes the toughest real-time bugs BY STEPHEN LAU New debug tools give unprecedented continuous real-time access to on-chip data. n the days of large scale integration (LSI) and discrete components, designing a system required the developer to specify and interconnect many devices. Debugging was simpler because developers had access to almost every signal at every point in time. Today, very large scale integration (VLSI), mixed analog/digital technology, and the pervasive system-on-a-chip make the design task easier, but debug has become difficult thanks to the invisibility of signals buried deep in these chips. Until recently, designers have had to settle for partial snapshots of system activity as revealed with in-system emulators or JTAG scans. These debugging approaches, however, prove less than adequate in real-time systems, especially when an error-causing event happens between these periodic snapshots. To address this issue, chip manufacturers have developed new tracebased debugging schemes that continually provide high visibility into critical system elements and pathways. These tools are useful for both debugging and system optimization. I www.embedded.com/europe | embedded systems design europe | OCTOBER 2007 17 017-018-020-021_ESDE.indd 17 9/10/07 15:23:06 http://www.embedded.com/europe
Table of Contents Feed for the Digital Edition of Embedded Systems Design Europe - October 2007 Embedded Systems Design Europe - October 2007 Contents Linux Set to Dominate Torvalds Updates Linux Kernel ARM Establishes Smart Card Foundry Program Emerson Buys Motorola's Embedded Comms Group LynuxWroks and TTTech to Cooperate on Avionics MontaVista CEO Looks for Acquisitions in Europe Ready: Multiprocessing Technology Provides Opportunity Automotive to Drive MCU Market New Supporters Join COM Express Group Analyst Weighs TI Versus Xilinx Versus PicoChip Cover Feature: Embedded Systems Security Has Moved to the Forefront Trace Exposes the Toughest Real-Time Bugs Employ a Secure Flavor of Linux Use an MCU's Low-Power Modes in Foreground/Background Systems Transporting Video Over Wireless Networks New Products Advertising Contacts Embedded Systems Design Europe - October 2007 Embedded Systems Design Europe - October 2007 - Embedded Systems Design Europe - October 2007 (Page 1) Embedded Systems Design Europe - October 2007 - Embedded Systems Design Europe - October 2007 (Page 2) Embedded Systems Design Europe - October 2007 - Contents (Page 3) Embedded Systems Design Europe - October 2007 - Contents (Page 4) Embedded Systems Design Europe - October 2007 - Contents (Page 5) Embedded Systems Design Europe - October 2007 - ARM Establishes Smart Card Foundry Program (Page 6) Embedded Systems Design Europe - October 2007 - ARM Establishes Smart Card Foundry Program (Page 7) Embedded Systems Design Europe - October 2007 - LynuxWroks and TTTech to Cooperate on Avionics (Page 8) Embedded Systems Design Europe - October 2007 - Ready: Multiprocessing Technology Provides Opportunity (Page 9) Embedded Systems Design Europe - October 2007 - Analyst Weighs TI Versus Xilinx Versus PicoChip (Page 10) Embedded Systems Design Europe - October 2007 - Analyst Weighs TI Versus Xilinx Versus PicoChip (Page 11) Embedded Systems Design Europe - October 2007 - Cover Feature: Embedded Systems Security Has Moved to the Forefront (Page 12) Embedded Systems Design Europe - October 2007 - Cover Feature: Embedded Systems Security Has Moved to the Forefront (Page 13) Embedded Systems Design Europe - October 2007 - Cover Feature: Embedded Systems Security Has Moved to the Forefront (Page 14) Embedded Systems Design Europe - October 2007 - Cover Feature: Embedded Systems Security Has Moved to the Forefront (Page 15) Embedded Systems Design Europe - October 2007 - Cover Feature: Embedded Systems Security Has Moved to the Forefront (Page 16) Embedded Systems Design Europe - October 2007 - Trace Exposes the Toughest Real-Time Bugs (Page 17) Embedded Systems Design Europe - October 2007 - Trace Exposes the Toughest Real-Time Bugs (Page 18) Embedded Systems Design Europe - October 2007 - Trace Exposes the Toughest Real-Time Bugs (Page 19) Embedded Systems Design Europe - October 2007 - Trace Exposes the Toughest Real-Time Bugs (Page 20) Embedded Systems Design Europe - October 2007 - Trace Exposes the Toughest Real-Time Bugs (Page 21) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 22) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 23) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 24) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 25) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 26) Embedded Systems Design Europe - October 2007 - Employ a Secure Flavor of Linux (Page 27) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 28) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 29) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 30) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 31) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 32) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 33) Embedded Systems Design Europe - October 2007 - Use an MCU's Low-Power Modes in Foreground/Background Systems (Page 34) Embedded Systems Design Europe - October 2007 - Transporting Video Over Wireless Networks (Page 35) Embedded Systems Design Europe - October 2007 - Transporting Video Over Wireless Networks (Page 36) Embedded Systems Design Europe - October 2007 - Transporting Video Over Wireless Networks (Page 37) Embedded Systems Design Europe - October 2007 - Transporting Video Over Wireless Networks (Page 38) Embedded Systems Design Europe - October 2007 - New Products (Page 39) Embedded Systems Design Europe - October 2007 - New Products (Page 40) Embedded Systems Design Europe - October 2007 - New Products (Page 41) Embedded Systems Design Europe - October 2007 - New Products (Page 42) Embedded Systems Design Europe - October 2007 - Advertising Contacts (Page 43) Embedded Systems Design Europe - October 2007 - Advertising Contacts (Page 44)
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