Fast Dynamic Binary Translation for the Kernel

Dynamic Binary Translation (DBT) is a powerful technique with several important applications. System-level binary translators have been used for implementing a virtual machine monitor and for instrumentation in the OS kernel. In current designs, the performance overhead of binary translation on kernel-intensive workloads is high. e.g., over 10x slowdowns were reported on the syscall nanobenchmark in 2-5x slowdowns were reported on lmbench microbenchmarks in. These overheads are primarily due to the extra work required to correctly handle kernel mechanisms like interrupts, exceptions, and physical CPU concurrency.

Provided by: Association for Computing Machinery Topic: Hardware Date Added: Nov 2013 Format: PDF

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