Skip to main content

Table 7 Performance evaluation of system latencies.

From: An Embedded System Dedicated to Intervehicle Communication Applications

Latencies Cost (cycles) Time (s) (48 MHz)
   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