On Tue, 2013-03-05 at 22:53 -0500, Rik van Riel wrote: > On 03/05/2013 10:46 PM, Waiman Long wrote: > > On 03/05/2013 03:53 PM, Rik van Riel wrote: > > >> Indeed. Though how well my patches will work with Oracle will > >> depend a lot on what kind of semctl syscalls they are doing. > >> > >> Does Oracle typically do one semop per semctl syscall, or does > >> it pass in a whole bunch at once? > > > > i had collected a strace log of Oracle instance startup a while ago. In > > the log, almost all of the semctl() call is to set a single semaphore > > value in one of the element of the array using SETVAL. Also there are > > far more semtimedop() than semctl(), about 100:1. Again, all the > > semtimedop() operations are on a single element of the semaphore array. > > That is good to hear. Just what I was hoping when I started > working on my patches. You should expect them tomorrow or > Thursday.
Great, looking forward. Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/