Subj : PerfView API
To : All
From : Lesha Tsoorgaev
Date : Sun Jul 30 2000 01:56 pm
Hello All,
On 30/Jul/00 at 14:24 Lesha Tsoorgaev writes to All:
LT> The second question is about TIMER0.SYS. Can PIT manipulations
LT> affect PerfView accuracy? AFAIK it is based on the same timer
LT> channel 0.
The question is already obsolete. I have checked it, TIMER0 breaks PerfView
mechanism til releasing IRQ0. It seems to be difficult to maintain PerfView
during TIMER0 running. (But it seems to be even more difficult before and
after, at least for me, at least using IRQ0 with PIT 0 default divider 65536.)
Anyway maintaining PerfView mechanism will require further changes to CLOCK0x
and, may be, TIMER0, IMHO.
