jm + trace   3

Apache HTrace
a Zipkin-compatible distributed-system tracing framework in Java, in the Apache Incubator
zipkin  tracing  trace  apache  incubator  java  debugging 
may 2015 by jm
iosnoop For Linux
it's a shell script! ftrace-based tool to snoop on Linux disk I/O and trace system-wide activity, more-or-less attributing it to the correct process
linux  disk  io  tracing  trace  ops  ftrace 
july 2014 by jm
Make The Web Fast - The HAR Show: Capturing and Analyzing performance data with HTTP Archive format — Google Developers
Wow, I didn't know about this. Great idea.
Need a flexible format to record, export, and analyze network performance data? Well, that's exactly what the HTTP Archive format (HAR) is designed to do! Even better, did you know that Chrome DevTools supports it? In this episode we'll take a deep dive into the format (as you'll see, its very simple), and explore the many different ways it can help you capture and analyze your sites performance. Join Ilya Grigorik and Peter Lubbers to find out how to capture HAR network traces in Chrome, visualize the data via an online tool, share the reports with your clients and coworkers, automate the logging and capture of HAR data for your build scripts, and even adapt it to server-side analysis use cases
capturing  logging  performance  http  debugging  trace  capture  har  archives  protocols  recording 
december 2013 by jm

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