Lines Matching refs:QoS

319 from the power management quality of service, or `PM QoS <cpu-pm-qos_>`_,
517 The power management quality of service (PM QoS) framework in the Linux kernel
522 CPU idle time management can be affected by PM QoS in two ways, through the
525 the help of special internal interfaces provided by the PM QoS framework.  User
534 number will be interpreted as a requested PM QoS constraint in microseconds.
538 constraint previously requested by someone else.  For this reason, the PM QoS
545 PM QoS request to be created and added to a global priority list of CPU latency
548 number written to it will be associated with the PM QoS request represented by
557 :file:`cpu_dma_latency` special device file controls the PM QoS request
558 associated with that file descriptor, but it controls this particular PM QoS
562 file descriptor obtained while opening it, causes the PM QoS request associated
568 In turn, for each CPU there is one resume latency PM QoS request associated with
571 this single PM QoS request to be updated regardless of which user space
572 process does that.  In other words, this PM QoS request is shared by the entire