What’s Brendan Gregg like as a trainer? This series of short videos gives a good overview.
Part 1: The key fields of mpstat, a performance tool used in Solaris-based operating systems, including Solaris 10, SmartOS, Illumos that shows the health of the CPUs on multi-processor systems.
Part 2: All the fields in detail.
Part 3: A deeper dive into the fields using other tools.
Like what you see? You can take DTrace Training from Brendan Sept 6-7 in San Francisco.