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Unformatted text preview: (0.025669 (5.375275 (0.451883 (9.498358 (0.449361 (9.500967 (0.462503 (6.688425 (0.014800 (2.784379 (0.451629 (9.498792 (0.449874 ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) ms) Figure 9.3: Example Trace Showing Activity Periods. From the perspective of an application program, processor operation alternates between periods when the program is actively executing (italicized) and when it is inactive. This trace shows a log of these periods for a program over a total duration of 66.9 ms. The program was active for 95.1% of this time. Activity Periods, Load = 1 Active Inactive 1 0 10 20 30 40 Time (ms) 50 60 70 80 Figure 9.4: Graphical Representation of Trace in Figure 9.3. Timer interrupts are indicated with gray triangles. 454 A48 I48 A49 I49 A50 I50 A51 I51 A52 I52 A53 I53 A54 I54 A55 I55 Time Time Time Time Time Time Time Time Time Time Time Time Time Time Time Time 191514104 196739065 196986622 197845193 197853490 202210927 207929685 209976803 209983956 213154606 218880735 224098278 229816413 232175694 23218279...
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This note was uploaded on 09/02/2010 for the course ELECTRICAL 360 taught by Professor Schultz during the Spring '10 term at BYU.

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