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RTEMS 4.6.1 On-Line Library

BSP_FOR_TIMES Timing Data Interrupt Manager

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10.7: Interrupt Manager

It should be noted that the interrupt entry times include vectoring the interrupt handler.

Interrupt Entry Overhead
returns to nested interrupt
 12
returns to interrupted task
 9
returns to preempting task
 9
Interrupt Exit Overhead
returns to nested interrupt
 <1
returns to interrupted task
 8
returns to preempting task
 54

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