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authorwollman <wollman@FreeBSD.org>1996-01-30 18:56:47 +0000
committerwollman <wollman@FreeBSD.org>1996-01-30 18:56:47 +0000
commit0f051dbe15584dfdb04ee0ce3c0f2e9164097280 (patch)
tree3312ba08ef0790620d22873f6f6020aeee294199 /sys/isa
parent3b195d769a569c04772af6f2ca2888e3b13da1f9 (diff)
downloadFreeBSD-src-0f051dbe15584dfdb04ee0ce3c0f2e9164097280.zip
FreeBSD-src-0f051dbe15584dfdb04ee0ce3c0f2e9164097280.tar.gz
No longer use the cyclecounter to attempt to correct for late or missed
clock interrupts. Keep a 1-in-16 smoothed average of the length of each tick. If the CPU speed is correctly diagnosed, this should give experienced users enough information to figure out a more suitable value for `tick'.
Diffstat (limited to 'sys/isa')
-rw-r--r--sys/isa/atrtc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/isa/atrtc.c b/sys/isa/atrtc.c
index a2dd215..6454b70 100644
--- a/sys/isa/atrtc.c
+++ b/sys/isa/atrtc.c
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)clock.c 7.2 (Berkeley) 5/12/91
- * $Id: clock.c,v 1.49 1996/01/15 21:26:43 phk Exp $
+ * $Id: clock.c,v 1.50 1996/01/16 06:35:40 ache Exp $
*/
/*
@@ -99,6 +99,7 @@ u_int idelayed;
unsigned i586_ctr_rate;
long long i586_ctr_bias;
long long i586_last_tick;
+unsigned long i586_avg_tick;
#endif
u_int stat_imask = SWI_CLOCK_MASK;
int timer0_max_count;
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