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hires_timeout_enable(5)				       hires_timeout_enable(5)

NAME
       hires_timeout_enable - enable high resolution timers support

VALUES
   Failsafe
   Default
   Allowed values
   Recommended values
       unless applications require high resolution timers.

DESCRIPTION
       is  a dynamic tunable that enables/disables support for high resolution
       timers and timed sleep for the following Application Programming Inter‐
       faces  (APIs) - and With the higher resolution, these interfaces can be
       expected to support time intervals less than the current 10 ms.

   Who Is Expected to Change This Tunable?
       System administrators who  need	higher	than  default  resolution  for
       applications.

   Restrictions on Changing
       changes take effect immediately.	 However, changes to this tunable will
       not affect timed events already queued.

   When Should the Value of This Tunable Be Raised?
       The value of should be set to if applications require higher resolution
       for proper operation.  Changes will be system-wide.

   What Are the Side Effects of Raising the Value?
       The number of timer-related interrupts may increase.

   When Should the Value of This Tunable Be Lowered?
       The  value  of  may be set to if there is no longer any overriding need
       for higher than default resolution.

   What Are the Side Effects of Lowering the Value?
       Fewer timer-related interrupts.

   What Other Tunable Values Should Be Changed at the Same Time?
       None

WARNINGS
       All HP-UX kernel tunable parameters are release specific.  This parame‐
       ter  may	 be  removed or have its meaning changed in future releases of
       HP-UX.

       Installation of optional kernel software, from HP or other vendors, may
       cause  changes  to  tunable parameter values.  After installation, some
       tunable parameters may no longer be at the default or recommended  val‐
       ues.  For information about the effects of installation on tunable val‐
       ues, consult the documentation for the kernel software being installed.
       For  information	 about	optional  kernel  software  that  was  factory
       installed on your system, see at

AUTHOR
       was developed by HP.

SEE ALSO
       getitimer(2), nanosleep(2),  semop(2),  setitimer(2),  sigtimedwait(2),
       timer_gettime(2),      timer_settime(2),	     ualarm(2),	    usleep(2),
       pthread_cond_wait(3T).

			   Tunable Kernel Parameters   hires_timeout_enable(5)

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