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If NO_TSC_TIME is defined, do not use the tsc microtime. This option can 

be used to make time pass a little more smoothly when running under
VMware.
This commit is contained in:
fvdl 2003-11-20 13:30:29 +00:00
parent 6750190db8
commit a8ea4f26c8
1 changed files with 4 additions and 2 deletions
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6
sys/arch/i386/i386/identcpu.c
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@ -1,4 +1,4 @@
/* $NetBSD: identcpu.c,v 1.7 2003/10/30 02:07:37 simonb Exp $ */ /* $NetBSD: identcpu.c,v 1.8 2003/11/20 13:30:29 fvdl Exp $ */
/*- /*-
* Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc. * Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.7 2003/10/30 02:07:37 simonb Exp $"); __KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.8 2003/11/20 13:30:29 fvdl Exp $");
#include "opt_cputype.h" #include "opt_cputype.h"
@ -1150,7 +1150,9 @@ identifycpu(struct cpu_info *ci)
last_tsc = rdtsc(); last_tsc = rdtsc();
delay(100000); delay(100000);
ci->ci_tsc_freq = (rdtsc() - last_tsc) * 10; ci->ci_tsc_freq = (rdtsc() - last_tsc) * 10;
#ifndef NO_TSC_TIME
microtime_func = cc_microtime; microtime_func = cc_microtime;
#endif
} }
/* XXX end XXX */ /* XXX end XXX */
#endif #endif