Artem Kuchin wrote:
I am just wondering if it is normal.
I have two xeon processors with HT on each of them.
When loading kernel says that 4 cpu's are found,
but when i do top i can see only 0 or 2 in the C
column. never 1 or 3. Is it normal?
FreeBSD 6.2-STABLE (cvsed 1 day ago)
If I remember correctly, HT is disabled by default for security reasons
but there should be a sysctl to enable it. I believe there is also a
paper by Colin Percival on the issue.
Note that in a lot of common loads, the use of HT with the standard
scheduler does not yield any real benefits.
Regards,
Richard
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