Table 7 Performance evaluation of system latencies.
From: An Embedded System Dedicated to Intervehicle Communication Applications
Latencies | Cost (cycles) | Time ( | |
|---|---|---|---|
90 | 1.873 | ||
Etask-to-etask switch | Call etask_manager to run the nextetask. The ready thread of this etask is performed in "cold'' mode; | ||
891 (992) | 1.8521 (2.062) | ||
Thread-to-thread switch | Call thread_scheduler to run the next thread1: thread is performed in "cold'' mode; 2: thread is performed in "warm'' mode. | ||
Interrupt response | Min. | 29 | 0.604 |
Avg. | 107 | 2.227 | |
Max. | 247 | 5.140 | |
Interrupt dispatch | Min. | 32 | 0.666 |
Avg. | 68 | 1.415 | |
Max. | 176 | 3.662 | |
s) (48 MHz)