Tuesday Mar 04, 2008

Extracting more detailed instruction frequency data from BIT

BIT has the ability to print out instruction frequency data, but there may be occasions where more detail is required. One way of getting more complete data is to ask bit to dump the disassembly for the entire application (using the option -a dis) and then write a script to parse the resulting output. The example script here extracts the integer/logical operations and reports them by type.

About

Darryl Gove is a senior engineer in the Solaris Studio team, working on optimising applications and benchmarks for current and future processors. He is also the author of the books:
Multicore Application Programming
Solaris Application Programming
The Developer's Edge

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