Michael W. Shapiro

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This paper presents DTrace, a new facility for dynamic instrumentation of production systems. DTrace features the ability to dynamically instrument both user-level and kernel-level software in a unified and absolutely safe fashion. When not explicitly enabled, DTrace has zero probe effect — the system operates exactly as if DTrace were not present at all.(More)
The Solaris 10 Operating System includes a number of new features for predictive self-healing. One such feature is the ability of the Fault Management software to diagnose memory errors and drive automatic memory page retirement (MPR), intended to reduce the negative impact of permanent memory faults that generate either correctable or uncorrectable errors(More)
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