Re: Using ftrace to identify source of excessive latency of USB write

Mason wrote: > I'm using Linux on a embedded system similar in spec to a desktop PC > from 15 years ago (256 MB RAM, 800-MHz CPU, USB). The system's primary > use is recording high-definition digital television programs. > > Typically, the storage sub-system consists of a recent hard-disk drive >

Using ftrace to identify source of excessive latency of USB write

Hello everyone, I'm using Linux on a embedded system similar in spec to a desktop PC from 15 years ago (256 MB RAM, 800-MHz CPU, USB). The system's primary use is recording high-definition digital television programs. Typically, the storage sub-system consists of a recent hard-disk drive connecte