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Adventures of a DTrace Addict: Part 0
From ls to mmap Back in my day, I would probe by hand. Now you can get software that does the job for you. -Kevin Mitnick My name is Nick and I am a DTrace addict. Hi Nick I’m not sure when it started...
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Adventures of a DTrace Addict: Part 1.0
Lex, Yacc, and Embedding DTrace Probes The purpose of life is to do whatever turns you on. -me Lex and Yacc are two tools that have aided Unix developers in writing compilers for decades. Yet, these...
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Introducing plan: The Time Management System for Illumos Propeller Heads
This entry is still a work in progress, will change often. I have always found that planning is useless, but plans are indispensable. -Dwight D. Eisenhower Using the idea of resource allocation, I’ve...
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Lex Provider Update
A while ago, I wrote about the DTrace provider I made for lex, the lexical analyzer that ships with Illumos. I added one new probe to it, that solves a simple but particularly vexing issue: tracing and...
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A Good Post About SmartOS
WordPress’s reblogging facility isn’t advanced enough to figure out that I reblogged something to the wrong blog, and would like to move it. So I have to resort to far more crude, but effective, method...
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Illuminating Lucene with Illumos
Intuition is the clear conception of the whole at once. - Johann Kaspar Lavater Every once in a while one comes across a program of such monstrous complexity, that understanding by mere code-reading is...
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Introducing Slab Lists
Data Structures Overview Since the dawn of the computer age, computers have served one unchanging function: to store raw data, carry out logical and arithmetic operations on this data, and to present...
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Visualizing Slab List Performance Using DTrace and Gnuplot
NOTE: To view the visualizations in this post at a higher resolution, use the ‘view image’ option in your browser. Sadly the images have been scaled down from their original resolution. As has been...
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One Year of SmartOS
NOTE: you can also download this post in PDF format if you’re into that. 1 IntroductionI’ve been using SmartOS for one year as my main development OS, and I want to share my experiences because...
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