Currently i'm using pthread library with call pthread_set_schedparam (..., SCHED_OTHER); I want to improve the performance of linux kernel by selecting other than existing scheduling algorithm SCHED_OTHER If its difficult to do any tunings to existing scheduling policy, i would like to use another real time scheduler (i'm still searching for some efficient real time scheduler, but didnot find one yet, Any help on this is greatly appreciated!). So the main task is to fine tune the scheduling policy? (what are the parameters which we can change?...what configuration options available to the existing policy?...etc)... I'm new to this scheduling policy thing and I'm trying to get an idea about this. On Tue, Jul 13, 2010 at 6:13 PM, shailesh jain <coolworldofshail@xxxxxxxxx> wrote: > Could you detail your use case. What you are trying to achieve ? > > On Tue, Jul 13, 2010 at 2:04 PM, Rahul Kumar <mailforgroup@xxxxxxxxx> wrote: >> Thanks for your reply. >> >> I would like to tune the performance by selecting SCHED_OTHER policy. >> I'm not finding what options can we set to do this. (time quantum, >> nice, etc??). >> >> Also, Is there any real time scheduler, which is efficient than >> existing Linux Scheduler?. >> >> On Fri, Jul 9, 2010 at 3:08 PM, shailesh jain >> <coolworldofshail@xxxxxxxxx> wrote: >>> Is there anything specific that you don't understand ? >>> >>> SCHED_OTHER: Default Linux time-sharing scheduling >>> SCHED_OTHER can only be used at static priority 0. SCHED_OTHER is the >>> standard Linux time-sharing scheduler that is intended for all >>> processes that do not require special static priority real-time >>> mechanisms. The process to run is chosen from the static priority 0 >>> list based on a dynamic priority that is determined only inside this >>> list. The dynamic priority is based on the nice level (set by the nice >>> or setpriority system call) and increased for each time quantum the >>> process is ready to run, but denied to run by the scheduler. This >>> ensures fair progress among all SCHED_OTHER processes. >>> >>> >>> Source: http://linux.about.com/library/cmd/blcmdl2_sched_setscheduler.htm >>> >>> >>> >>> Shailesh Jain >>> >>> >>> >>> >>> >>> On Fri, Jul 9, 2010 at 10:00 AM, Rahul Kumar <mailforgroup@xxxxxxxxx> wrote: >>>> Hi, >>>> >>>> I came across SCHED_OTHER to set the scheduling policy using pthread >>>> library routines. >>>> >>>> Which policy does it follow exactly?. I could understand SCHED_FIFO and SCHED_RR >>>> >>>> but i could not find much information on SCHED_OTHER. Can any one give >>>> me the pointers >>>> on where to look at?. >>>> >>>> -- >>>> To unsubscribe from this list: send an email with >>>> "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx >>>> Please read the FAQ at http://kernelnewbies.org/FAQ >>>> >>>> >>> >> > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
