Suppose that a computer can execute 1 billion instructions/sec and that a system call takes 1000 instructions,

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Suppose that a computer can execute 1 billion instructions/sec and that a system call takes 1000 instructions, including the trap and all the context switching. How many system calls can the computer execute per second and still have half the CPU capacity for running application code?

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Operating Systems Design And Implementation

ISBN: 9780131429383

3rd Edition

Authors: Andrew Tanenbaum, Albert Woodhull

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