... it - after the single sched yield call, process A does indeed ... an actual use of the API in a real app. > For ... fundamental weakness > of the sched_yield() API. Rarely are we able to ... even for theoretically > poorly defined APIs _some_ sort of legitimate use ...

linux-kernel - Jesper Juhl - Dec 12 2007 - 18:39

... :46 +0200, Ingo Molnar wrote: [...] > APIs that are not in any ... we know exactly _why_ the API is used so rarely.) Sure ... hurting other, more commonly used > APIs. That was the principle we ... intentions to add a directed yield API? I remember seeing it ...

linux-kernel - Eric St-Laurent - Oct 2 2007 - 17:57

... to look for it - after the single sched > yield call, process A does indeed go into a ... is a *terrible* disgusting way to use yield. Better options: (1) inotify/dnotify (2) ... > *is* an actual use of the API in a real app. We weren't looking ...

linux-kernel - Kyle Moffett - Dec 13 2007 - 00:43

... is a *terrible* disgusting way to use yield. Better options: > (1) inotify/dnotify Sure, tie ... That means it has zero cost, since the yield is no heavier than a sleep would be, ... > *is* an actual use of the API in a real app. > We weren't looking ...

linux-kernel - David Schwartz - Dec 13 2007 - 16:10

... for the fundamental weakness of the sched_yield() API. Rarely are we able to so ... and even for theoretically poorly defined APIs _some_ sort of legitimate use does ... : without hurting other, more commonly used APIs. That was the principle we followed in ...

linux-kernel - Ingo Molnar - Oct 2 2007 - 02:46

... for the fundamental weakness > of the sched_yield() API. Rarely are we able to so ... and even for theoretically > poorly defined APIs _some_ sort of legitimate use does ... without hurting other, more commonly used > APIs. That was the principle we followed ...

linux-kernel - linux-os (Dick Johnson) - Oct 2 2007 - 07:50

"linux-os \(Dick Johnson\)" writes: > Whether or not there is a POSIX definition of sched_yield(), > there is a need for something that will give up the CPU > and not busy-wait. There are many control applications > where

linux-kernel - Douglas McNaught - Oct 2 2007 - 11:24