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update compat
[lttv.git]
/
ltt
/
branches
/
poly
/
doc
/
developer
/
tsc.txt
diff --git
a/ltt/branches/poly/doc/developer/tsc.txt
b/ltt/branches/poly/doc/developer/tsc.txt
index d3ce2310be762a11166c387330dd416499bf7225..6733d46c4adf8d89a1ac7eb08a8d9e4d75fa64b6 100644
(file)
--- a/
ltt/branches/poly/doc/developer/tsc.txt
+++ b/
ltt/branches/poly/doc/developer/tsc.txt
@@
-17,18
+17,26
@@
http://developer.amd.com/article_print.jsp?id=92 (RH)
before 7th gen : ok
7th gen:
P-state (performance state) change
before 7th gen : ok
7th gen:
P-state (performance state) change
- sol : disable powernow
+ UP : warn about time inaccuracy
+ SMP
+ sol : disable powernow
+ Use monotonic pseudo-TSC
STPCLK-Throttling (temperature) : only done on UP, ok
STPCLK-Throttling (temperature) : only done on UP, ok
+ UP : warn about time inaccuracy
8th gen :
P-state change
8th gen :
P-state change
- dual-core : locked-step
+ UP : inaccuracy
+ dual-core : locked-step ; inaccuracy
SMP : may drift
SMP : may drift
- sol : disable powernow
+ sol : disable powernow
+ Use monotonic pseudo-TSC
SMP, dual core : C1-clock ramping (halt) (power state : C-state)
sol : idle=poll or disable C1-ramping
SMP, dual core : C1-clock ramping (halt) (power state : C-state)
sol : idle=poll or disable C1-ramping
+ Use monotonic pseudo-TSC
STPCLK-Throttling (temperature) :
STPCLK-Throttling (temperature) :
- single processor dual-core ok
+ single processor dual-core ok
; inaccuracy
SMP : NOT ok (rare)
SMP : NOT ok (rare)
+ Use monotonic pseudo-TSC
Until TSC becomes invariant, AMD recommends that operating
Until TSC becomes invariant, AMD recommends that operating
@@
-122,10
+130,16
@@
Intel
Pentium M
family [06H], models [09H, 0DH]
Pentium M
family [06H], models [09H, 0DH]
- SOL : disable speedstep
+ UP
+ warn about time inaccuracy
+ SMP
+ SOL : disable speedstep
Pentium 4 processors, Intel Xeon
family [0FH], models [00H, 01H, or 02H]
Pentium 4 processors, Intel Xeon
family [0FH], models [00H, 01H, or 02H]
- SOL : disable speedstep
+ UP
+ warn about time inaccuracy
+ SMP
+ SOL : disable speedstep
Other : ok
Other : ok
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