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Figure 9.1: Time scale of computer system events.

perf-timescale

Figure 9.2: System's vs.~applications view of time.

perf-app-vs-sys

Figure 9.4: Graphical representation of trace in Figure ....

perf-events-l1

Figure 9.6: Graphical representation of activity periods for trace in Figure ....

perf-events-l2

Figure 9.7: Process timing by interval counting.

perf-interval

Figure 9.8: Measuring interval counting accuracy.

perf-interval-experiment

Figure 9.11: Measurements of long duration procedure under different loading conditions.

perf-process

Figure 9.12: measurements of short duration procedure under different loading conditions.

perf-process-small

Figure 9.14: Experimental validation of K-best measurement scheme on Linux system

perf-kbest-linux

Figure 9.15: Effectiveness of K-best scheme for different values of K.

perf-kbest-k1

Figure 9.15: Effectiveness of K-best scheme for different values of K.

perf-kbest-k2

Figure 9.15: Effectiveness of K-best scheme for different values of K.

perf-kbest-k3

Figure 9.15: Effectiveness of K-best scheme for different values of K.

perf-kbest-k5

Figure 9.16: Measurements with compensation for timer interrupt overhead.

perf-kbest-linux-comp

Figure 9.17: Experimental validation of K-best measurement scheme on IA32/Linux system with older version of the kernel.

perf-kbest-linux-old

Figure 9.18: Experimental validation of K-best measurement scheme on Windows-NT system.

perf-kbest-nt

Figure 9.19: Experimental validation of K-best measurement scheme on Compaq Alpha system.

perf-kbest-alpha

Figure 9.22: Experimental validation of K-best measurement scheme using gettimeofday function.

perf-kbest-tod

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