Lines Matching refs:QoS
319 from the power management quality of service, or `PM QoS <cpu-pm-qos_>`_,
400 [If there is a wakeup latency constraint coming from the `PM QoS framework
590 The power management quality of service (PM QoS) framework in the Linux kernel
595 CPU idle time management can be affected by PM QoS in two ways, through the
598 the help of special internal interfaces provided by the PM QoS framework. User
607 number will be interpreted as a requested PM QoS constraint in microseconds.
611 constraint previously requested by someone else. For this reason, the PM QoS
618 PM QoS request to be created and added to a global priority list of CPU latency
621 number written to it will be associated with the PM QoS request represented by
630 :file:`cpu_dma_latency` special device file controls the PM QoS request
631 associated with that file descriptor, but it controls this particular PM QoS
635 file descriptor obtained while opening it, causes the PM QoS request associated
641 In turn, for each CPU there is one resume latency PM QoS request associated with
644 this single PM QoS request to be updated regardless of which user space
645 process does that. In other words, this PM QoS request is shared by the entire