6. When a process runs, there are four measures of time that are useful, wall-clock-time, user-time,...
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6. When a process runs, there are four measures of time that are useful, wall-clock-time, user-time, kernel-time, and wait-time. (a) (4 points) Define each of these four kinds of time and explain how they relate to the process states (from problem 3). (b) (6 points) Suppose a system has very few processes in existence and one process is "I/O bound" and is doing a lot of reading and writing to a disk. Explain what kind of relationship you would expect to see between the four times for this process. (c) (6 points) Suppose a single core system has very few processes in existence and one process is "CPU bound" and makes no system calls. Explain what kind of relationship you would expect to see between the four times for this process. 6. When a process runs, there are four measures of time that are useful, wall-clock-time, user-time, kernel-time, and wait-time. (a) (4 points) Define each of these four kinds of time and explain how they relate to the process states (from problem 3). (b) (6 points) Suppose a system has very few processes in existence and one process is "I/O bound" and is doing a lot of reading and writing to a disk. Explain what kind of relationship you would expect to see between the four times for this process. (c) (6 points) Suppose a single core system has very few processes in existence and one process is "CPU bound" and makes no system calls. Explain what kind of relationship you would expect to see between the four times for this process.
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a 1 Wallclocktime Wallclock time refers to the actual time elapsed from the start to the end of a process It is also known as realtime or elapsed time ... View the full answer
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International Marketing And Export Management
ISBN: 9781292016924
8th Edition
Authors: Gerald Albaum , Alexander Josiassen , Edwin Duerr
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