[lttng-dev] What is _prev_state in sched_switch?

Sebastien Boisvert sboisvert at gydle.com
Mon Jul 29 11:08:22 EDT 2019



On 2019-07-29 5:07 a.m., Ravindra Kumar Meena wrote:
> Okay. The above link was somewhat helpful but I still didn't get what is the meaning of {0, 1, 1026, 4096} values in _prev_state. 
> 

Christophe explained, the values of _prev_state.

In addition, I suggest you read those links (from general to specific):

- https://en.wikipedia.org/wiki/Finite-state_machine
- https://en.wikipedia.org/wiki/Scheduling_(computing)
- https://www.kernel.org/doc/Documentation/scheduler/sched-design-CFS.txt


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