[ Documentation request ] SDK Metrics missing

[rachfop]

Brief description

On this page missing the following SDK metrics.

task_latency_load: measures the duration from task generation to task loading (task schedule to start latency for persistence queue). task_latency_schedule: measures the duration from task submission (to task scheduler) to processing (task schedule to start latency for in-memory queue). queue_latency_schedule: measures the time it takes to schedule 100 tasks in one task channel in the host level task scheduler. If there are less than 100 tasks in the task channel for 30s, the latency will be scaled to 100 tasks upon emission.

this is still an experimental metric and is subject to change.