diff options
Diffstat (limited to 'sys/dev/raidframe/rf_etimer.h')
| -rw-r--r-- | sys/dev/raidframe/rf_etimer.h | 286 |
1 files changed, 8 insertions, 278 deletions
diff --git a/sys/dev/raidframe/rf_etimer.h b/sys/dev/raidframe/rf_etimer.h index 5d78b80eac2..2033b9b46c6 100644 --- a/sys/dev/raidframe/rf_etimer.h +++ b/sys/dev/raidframe/rf_etimer.h @@ -1,5 +1,5 @@ -/* $OpenBSD: rf_etimer.h,v 1.1 1999/01/11 14:29:20 niklas Exp $ */ -/* $NetBSD: rf_etimer.h,v 1.1 1998/11/13 04:20:29 oster Exp $ */ +/* $OpenBSD: rf_etimer.h,v 1.2 1999/02/16 00:02:43 niklas Exp $ */ +/* $NetBSD: rf_etimer.h,v 1.3 1999/02/05 00:06:11 oster Exp $ */ /* * Copyright (c) 1995 Carnegie-Mellon University. * All rights reserved. @@ -38,103 +38,6 @@ * 125 MHz 34 sec * * - * : - * Log: rf_etimer.h,v - * Revision 1.32 1996/08/13 18:11:09 jimz - * want MACH&&!__osf__, not just MACH for mach timing (MACH defined under OSF/1) - * - * Revision 1.31 1996/08/12 20:11:38 jimz - * use read_real_time() on AIX4+ - * - * Revision 1.30 1996/08/09 18:48:12 jimz - * for now, use gettimeofday() on MACH - * (should eventually use better clock stuff) - * - * Revision 1.29 1996/08/07 21:09:08 jimz - * add IRIX as a gettimeofday system - * - * Revision 1.28 1996/08/06 22:25:23 jimz - * add LINUX_I386 - * - * Revision 1.27 1996/07/30 04:45:53 jimz - * add ultrix stuff - * - * Revision 1.26 1996/07/28 20:31:39 jimz - * i386netbsd port - * true/false fixup - * - * Revision 1.25 1996/07/27 23:36:08 jimz - * Solaris port of simulator - * - * Revision 1.24 1996/07/27 18:40:24 jimz - * cleanup sweep - * - * Revision 1.23 1996/07/22 19:52:16 jimz - * switched node params to RF_DagParam_t, a union of - * a 64-bit int and a void *, for better portability - * attempted hpux port, but failed partway through for - * lack of a single C compiler capable of compiling all - * source files - * - * Revision 1.22 1996/07/18 22:57:14 jimz - * port simulator to AIX - * - * Revision 1.21 1996/07/17 21:00:58 jimz - * clean up timer interface, tracing - * - * Revision 1.20 1996/07/17 14:26:28 jimz - * rf_scc -> rf_rpcc - * - * Revision 1.19 1996/06/14 21:24:48 jimz - * move out ConfigureEtimer - * - * Revision 1.18 1996/06/03 23:28:26 jimz - * more bugfixes - * check in tree to sync for IPDS runs with current bugfixes - * there still may be a problem with threads in the script test - * getting I/Os stuck- not trivially reproducible (runs ~50 times - * in a row without getting stuck) - * - * Revision 1.17 1996/05/30 23:22:16 jimz - * bugfixes of serialization, timing problems - * more cleanup - * - * Revision 1.16 1996/05/30 12:59:18 jimz - * make etimer happier, more portable - * - * Revision 1.15 1996/05/27 18:56:37 jimz - * more code cleanup - * better typing - * compiles in all 3 environments - * - * Revision 1.14 1996/05/23 21:46:35 jimz - * checkpoint in code cleanup (release prep) - * lots of types, function names have been fixed - * - * Revision 1.13 1996/05/23 00:33:23 jimz - * code cleanup: move all debug decls to rf_options.c, all extern - * debug decls to rf_options.h, all debug vars preceded by rf_ - * - * Revision 1.12 1996/05/18 19:51:34 jimz - * major code cleanup- fix syntax, make some types consistent, - * add prototypes, clean out dead code, et cetera - * - * Revision 1.11 1995/12/01 18:10:40 root - * added copyright info - * - * Revision 1.10 1995/09/29 14:27:32 wvcii - * removed printfs from ConfigureEtimer() - * - * Revision 1.9 95/09/19 22:57:31 jimz - * added kernel version of ConfigureEtimer - * - * Revision 1.8 1995/09/14 13:03:04 amiri - * set default CPU speed to 125Mhz to avoid divide by zero problems. - * - * Revision 1.7 1995/09/11 19:04:36 wvcii - * timer autoconfigs using pdl routine to check cpu speed - * value may still be overridden via config debug var timerTicksPerSec - * */ @@ -143,76 +46,19 @@ #include "rf_options.h" -#ifdef _KERNEL -#define KERNEL -#endif - -#if defined(__NetBSD__) || defined(__OpenBSD__) - -#ifdef KERNEL extern unsigned int rpcc(void); #define rf_read_cycle_counter rpcc -#else /* KERNEL */ -#if !defined(__NetBSD__) && !defined(__OpenBSD__) -/* XXX does this function even exist anywhere??? GO */ -extern unsigned int rf_rpcc(); -#endif -#define rf_read_cycle_counter rf_rpcc -#endif /* KERNEL */ - -#define RF_DEF_TIMER_MAX_VAL 0xFFFFFFFF - -typedef struct RF_EtimerVal_s { - unsigned ccnt; /* cycle count */ -} RF_EtimerVal_t; - -struct RF_Etimer_s { - RF_EtimerVal_t st; - RF_EtimerVal_t et; - unsigned long ticks; /* elapsed time in ticks */ -}; - -extern long rf_timer_max_val; -extern long rf_timer_ticks_per_second; -extern unsigned long rf_timer_ticks_per_usec; - -#define RF_ETIMER_TICKS2US(_tcks_) ( (_tcks_) / rf_timer_ticks_per_usec ) -#define RF_ETIMER_START(_t_) { (_t_).st.ccnt = rf_read_cycle_counter(); } -#define RF_ETIMER_STOP(_t_) { (_t_).et.ccnt = rf_read_cycle_counter(); } -#define RF_ETIMER_EVAL(_t_) { \ - if ((_t_).st.ccnt < (_t_).et.ccnt) \ - (_t_).ticks = (_t_).et.ccnt - (_t_).st.ccnt; \ - else \ - (_t_).ticks = rf_timer_max_val - ((_t_).st.ccnt - (_t_).et.ccnt); \ -} - -#define RF_ETIMER_VAL_TICKS(_t_) ((_t_).ticks) -#define RF_ETIMER_VAL_US(_t_) (RF_ETIMER_TICKS2US((_t_).ticks)) -#define RF_ETIMER_VAL_MS(_t_) (RF_ETIMER_TICKS2US((_t_).ticks)/1000) - -#endif /* __NetBSD__ || __OpenBSD__ */ - - -#if defined(__alpha) && !defined(__NetBSD__) && !defined(__OpenBSD__) - -#ifdef KERNEL -extern unsigned int rpcc(); -#define rf_read_cycle_counter rpcc -#else /* KERNEL */ -extern unsigned int rf_rpcc(); -#define rf_read_cycle_counter rf_rpcc -#endif /* KERNEL */ #define RF_DEF_TIMER_MAX_VAL 0xFFFFFFFF typedef struct RF_EtimerVal_s { - unsigned ccnt; /* cycle count */ -} RF_EtimerVal_t; + unsigned ccnt; /* cycle count */ +} RF_EtimerVal_t; struct RF_Etimer_s { - RF_EtimerVal_t st; - RF_EtimerVal_t et; - unsigned long ticks; /* elapsed time in ticks */ + RF_EtimerVal_t st; + RF_EtimerVal_t et; + unsigned long ticks; /* elapsed time in ticks */ }; extern long rf_timer_max_val; @@ -233,121 +79,5 @@ extern unsigned long rf_timer_ticks_per_usec; #define RF_ETIMER_VAL_US(_t_) (RF_ETIMER_TICKS2US((_t_).ticks)) #define RF_ETIMER_VAL_MS(_t_) (RF_ETIMER_TICKS2US((_t_).ticks)/1000) -#endif /* __alpha */ - -#ifdef _IBMR2 - -extern void rf_rtclock(unsigned int *secs, unsigned int *nsecs); - -#define RF_MSEC_PER_SEC 1000 -#define RF_USEC_PER_SEC 1000000 -#define RF_NSEC_PER_SEC 1000000000 - -typedef struct RF_EtimerVal_s { - unsigned int secs; - unsigned int nsecs; -} RF_EtimerVal_t; - -struct RF_Etimer_s { - RF_EtimerVal_t start; - RF_EtimerVal_t end; - RF_EtimerVal_t elapsed; -}; - -#if RF_AIXVERS >= 4 - -#include <sys/time.h> - -#define RF_ETIMER_START(_t_) { \ - timebasestruct_t tb; \ - tb.flag = 1; \ - read_real_time(&tb, TIMEBASE_SZ); \ - (_t_).start.secs = tb.tb_high; \ - (_t_).start.nsecs = tb.tb_low; \ -} - -#define RF_ETIMER_STOP(_t_) { \ - timebasestruct_t tb; \ - tb.flag = 1; \ - read_real_time(&tb, TIMEBASE_SZ); \ - (_t_).end.secs = tb.tb_high; \ - (_t_).end.nsecs = tb.tb_low; \ -} - -#else /* RF_AIXVERS >= 4 */ - -#define RF_ETIMER_START(_t_) { \ - rf_rtclock(&((_t_).start.secs), &((_t_).start.nsecs)); \ -} - -#define RF_ETIMER_STOP(_t_) { \ - rf_rtclock(&((_t_).end.secs), &((_t_).end.nsecs)); \ -} - -#endif /* RF_AIXVERS >= 4 */ - -#define RF_ETIMER_EVAL(_t_) { \ - if ((_t_).end.nsecs >= (_t_).start.nsecs) { \ - (_t_).elapsed.nsecs = (_t_).end.nsecs - (_t_).start.nsecs; \ - (_t_).elapsed.secs = (_t_).end.secs - (_t_).start.nsecs; \ - } \ - else { \ - (_t_).elapsed.nsecs = RF_NSEC_PER_SEC + (_t_).end.nsecs; \ - (_t_).elapsed.nsecs -= (_t_).start.nsecs; \ - (_t_).elapsed.secs = (_t_).end.secs - (_t_).start.secs + 1; \ - } \ -} - -#define RF_ETIMER_VAL_US(_t_) (((_t_).elapsed.secs*RF_USEC_PER_SEC)+((_t_).elapsed.nsecs/1000)) -#define RF_ETIMER_VAL_MS(_t_) (((_t_).elapsed.secs*RF_MSEC_PER_SEC)+((_t_).elapsed.nsecs/1000000)) - -#endif /* _IBMR2 */ - -/* - * XXX investigate better timing for these - */ -#if defined(hpux) || defined(sun) || defined(NETBSD_I386) || defined(OPENBSD_I386) || defined(ultrix) || defined(LINUX_I386) || defined(IRIX) || (defined(MACH) && !defined(__osf__)) -#include <sys/time.h> - -#define RF_USEC_PER_SEC 1000000 - -struct RF_Etimer_s { - struct timeval start; - struct timeval end; - struct timeval elapsed; -}; -#if !defined(__NetBSD__) && !defined(__OpenBSD__) -#define RF_ETIMER_START(_t_) { \ - gettimeofday(&((_t_).start), NULL); \ -} - -#define RF_ETIMER_STOP(_t_) { \ - gettimeofday(&((_t_).end), NULL); \ -} - -#else -#define RF_ETIMER_START(_t_) { \ -} -/* XXX these just drop off the end of the world... */ -#define RF_ETIMER_STOP(_t_) { \ -} -#endif - -#define RF_ETIMER_EVAL(_t_) { \ - if ((_t_).end.tv_usec >= (_t_).start.tv_usec) { \ - (_t_).elapsed.tv_usec = (_t_).end.tv_usec - (_t_).start.tv_usec; \ - (_t_).elapsed.tv_sec = (_t_).end.tv_sec - (_t_).start.tv_usec; \ - } \ - else { \ - (_t_).elapsed.tv_usec = RF_USEC_PER_SEC + (_t_).end.tv_usec; \ - (_t_).elapsed.tv_usec -= (_t_).start.tv_usec; \ - (_t_).elapsed.tv_sec = (_t_).end.tv_sec - (_t_).start.tv_sec + 1; \ - } \ -} - -#define RF_ETIMER_VAL_US(_t_) (((_t_).elapsed.tv_sec*RF_USEC_PER_SEC)+(_t_).elapsed.tv_usec) -#define RF_ETIMER_VAL_MS(_t_) (((_t_).elapsed.tv_sec*RF_MSEC_PER_SEC)+((_t_).elapsed.tv_usec/1000)) - -#endif /* hpux || sun || NETBSD_I386 || OPENBSD_I386 || ultrix || LINUX_I386 || IRIX || (MACH && !__osf__) */ -#endif /* !_RF__RF_TIMER_H_ */ +#endif /* !_RF__RF_TIMER_H_ */ |