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Saturday, August 19 • 2:35pm - 3:15pm
Introducing dwatch, the ultimate DTrace tool

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With over 3.5 years of development time and over 16 rounds of refactoring and enhancement, my tool dwatch for DTrace has reached maturity and is quickly becoming the new hip tool for all your monitoring tasks. I would like to show you how to do everything from watching the system process scheduler in realtime to filtering out filesystem events. Here’s a short list of some of the things dwatch can do with a single easy-to-remember command syntax:

  • Watch processes entering system CPU scheduler
  • Print arguments being passed to functions
  • Easily watch multiple probes (e.g., functions) simultaneously
  • Globally watch all function traversal from every process/thread
  • Filter output by user or group, including the ability to use regex
  • Watch jails (FreeBSD native containers)
  • Use patterns or regular expressions to match on executable name(s)
  • Easily list/find probes of interest
  • Run statistics on probe availability for measuring observability options
  • Look for a particular path being created, removed, accessed, etc.
  • Watch interprocess communication signaling
  • Log network data events
  • Schedule timed samplings for events of interest
  • Filter on process id, including ability to use regex
  • Dump process trees for processes triggering a probe
  • Watch child processes
  • Show commands being executed in realtime
  • Write modules to centralize logic into easy-to-access profiles
  • Share modules with each other and help your community
  • More …

With dwatch, using DTrace has never been so fun and certainly easier than ever before.


Moderators
avatar for Tameika Reed

Tameika Reed

Principal System Administrator, Women In Linux
Tameika Reed founded Women In Linux out of frustration that there were no other women or women of color represented at the workplace or tech events. Tameika is a self-taught Linux administrator who has spent countless hours helping others get started in Linux. In conjunction with... Read More →

Speakers
avatar for Devin Teske

Devin Teske

Senior System Administrator, Smule
Devin Teske got her start in computers when her mom gave her a Commodore 64 and left her alone to figure it out. Self taught Devin knows over 2-dozen programming languages and enjoys learning both old and new technologies. Her top-five favorite programming languages are, in no particular... Read More →


Saturday August 19, 2017 2:35pm - 3:15pm
Virtual Conference Online

Attendees (1)