dfdb5dc12a
to opal_progress() to use the timers instead of a tick count for deciding
whether to call the event loop or not. Currently supported platforms are:
- solaris (x86 / sparc)
- Linux (x86 / x86_64 / IA64)
- Mac OS X (x86 / Power PC)
This commit was SVN r6922.
59 строки
1.5 KiB
C
59 строки
1.5 KiB
C
/*
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University.
|
|
* All rights reserved.
|
|
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
|
|
* All rights reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#ifndef OPAL_MCA_TIMER_DARWIN_TIMER_DARWIN_H
|
|
#define OPAL_MCA_TIMER_DARWIN_TIMER_DARWIN_H
|
|
|
|
#include <mach/mach_time.h>
|
|
|
|
typedef uint64_t opal_timer_t;
|
|
|
|
/* frequency in mhz */
|
|
extern opal_timer_t opal_timer_darwin_freq;
|
|
|
|
|
|
static inline opal_timer_t
|
|
opal_timer_base_get_cycles(void)
|
|
{
|
|
/* this is basically a wrapper around the "right" assembly to get
|
|
the tick counter off the PowerPC Time Base. I believe it's
|
|
something similar on x86 */
|
|
return mach_absolute_time();
|
|
}
|
|
|
|
|
|
static inline opal_timer_t
|
|
opal_timer_base_get_usec(void)
|
|
{
|
|
/* freq is in Hz, so this gives usec */
|
|
return mach_absolute_time() * 1000000 / opal_timer_darwin_freq;
|
|
}
|
|
|
|
|
|
static inline opal_timer_t
|
|
opal_timer_base_get_freq(void)
|
|
{
|
|
return opal_timer_darwin_freq;
|
|
}
|
|
|
|
|
|
#define OPAL_TIMER_CYCLE_NATIVE 1
|
|
#define OPAL_TIMER_CYCLE_SUPPORTED 1
|
|
#define OPAL_TIMER_USEC_NATIVE 0
|
|
#define OPAL_TIMER_USEC_SUPPORTED 1
|
|
|
|
#endif
|