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Interrupt latency is the time elapsed between what?

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kumar_eee

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Interrupt latency is the time elapsed between:

1. Occurrence of an interrupt and its detection by the CPU

2. Assertion of an interrupt and the start of the associated ISR

3. Assertion of an interrupt and the completion of the associated ISR

4. Start and completion of associated ISR
 

mos_halas

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Re: Solution needed

Hello,

To my knowledge the solution is no. 2
Interrupt latency is the time duration elapced between interrupt invoke and till the CPU starts its ISR.

Mosatafa Halas
 

tamerakshar

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Re: Solution needed


yeah Mostafa is right
right answer is No. 2
latency is due many factors;
priority,scheduling & other interrupts from devices.
TeE ThE EdE
 

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