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Category: Arium Probes | SourcePoint™

Webinar: Beyond printf

Alan Sguigna
Alan Sguigna
  • 5:46 pm
In collaboration with the UEFI Forum, I’ll be presenting Beyond Printf: Real-Time UEFI Debugging on Wednesday, October 27th, 2021 at 10am CT. Register here: https://www.brighttalk.com/webcast/18206/512103 to watch the session live, and/or later view the recorded video. What powerful new debugging and trace features exist on the latest Intel silicon? Continue reading, or watch the webinar.

Using the Intel Trace Hub for at-speed printf

Alan Sguigna
Alan Sguigna
  • 5:27 pm
For debugging firmware, print statements (“printf”) are often our most powerful tool: some bugs are caused by complex sequences of events that are too long and intricate to root-cause using just breakpoints and watch windows. In this article, I write about my explorations into “at-speed printf”.

Performance Counters for Malware Detection: a Survey

Alan Sguigna
Alan Sguigna
  • 4:09 pm
There have been numerous investigations into the use of the Performance Monitoring Counters (PMCs) for malware detection. Below is a quick survey of what I’ve read so far, as well as an investigation into using JTAG as an alternative access mechanism to traditional ring 0 or restricted OS mechanisms.

A Trio of Webinars on x86 JTAG-based Debugging

Alan Sguigna
Alan Sguigna
  • 5:23 pm
For each of the months of January, February and March, I did a webinar on JTAG-based debugging. Since each of the video recordings are about 45 minutes long, I thought it would be helpful to point out the highlights of each, if you don’t have time to sit through the full durations. At the risk of sounding immodest, there are some real gems of information within the demos of each webinar.

Webinar: Embedded @Scale JTAG-based Debug of x86 Servers

Alan Sguigna
Alan Sguigna
  • 4:20 pm
Beginning with Microsoft Azure's Project Olympus, and now a standard within the Open Compute Project, many datacenter servers are now optionally equipped with hardware connectivity between the platform BMC and CPU scan chain. The BMC can thus act as an autonomous JTAG-based embedded out-of-band debug agent, provide low-level triage of system events, such as crashes and hangs. Other use cases, such as hardware validation, manufacturing test, and forensics telemetry are also enabled by this technology.

Webinar: Intel Architectural Event Trace

Alan Sguigna
Alan Sguigna
  • 2:16 pm
Don't miss it! ASSET's Alan Sguigna (that's me), in collaboration with the UEFI Forum, will be presenting and demonstrating SourcePoint using the Intel Architectural Event Trace (AET) feature, which offers an unparalleled level of insight into x86 event generation and code execution.
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