Question about the calculation of service check latency

[Yu Watanabe]

Hi all!

I would like to ask question about the calculation of service check latency.

In the code (events.c), the service check latency is calculated as,

latency = (double)((double)(tv.tv_sec - event->run_time) + (double)(tv.tv_usec / 1000) / 1000.0);

I was wondering, what is the below caculation is meant for?

(double)(tv.tv_usec / 1000) / 1000.0);

Thanks,
Yu


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