Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx> wrote: > > Only do a wakeup in pipe_read() if we made space in a completely full > > buffer. The producer shouldn't be waiting on pipe->wait otherwise. > > We could go further and wakeup writer only when at least half of buffer is > empty. This gives better batching and reduces rate of context switches. > > https://lore.kernel.org/lkml/157219118016.7078.16223055699799396042.stgit@buzz/T/#u Yeah, I saw that. I suspect that where you put the slider may depend on the context. David
