mmtimer resolution question

Robert Reif reif at earthlink.net
Fri Feb 11 13:03:52 CST 2005


Jeremy White wrote:

> Hmm.  When I run it, I see only the expected behavior,
> both on a 2.4 and 2.6 kernel.
>
Here is what I get with an up to date RH9 on a Dell Dimension 8300
with latest CVS:

Without ntdll/sync.c patch:

timer.c:59:wPeriodMin = 1, wPeriodMax = 65535
timer.c:110:period = 1, resolution = 0
timer.c:136:min = 0, max = 13, average = 1.000000
timer.c:110:period = 1, resolution = 1
timer.c:136:min = 0, max = 2, average = 1.000000
timer.c:110:period = 10, resolution = 0
timer.c:136:min = 0, max = 23, average = 9.818182
timer.c:110:period = 10, resolution = 1
timer.c:136:min = 0, max = 20, average = 9.818182
timer.c:110:period = 10, resolution = 10
timer.c:136:min = 0, max = 24, average = 9.818182
timer.c:110:period = 20, resolution = 0
timer.c:136:min = 12, max = 21, average = 19.919192
timer.c:110:period = 20, resolution = 1
timer.c:136:min = 12, max = 24, average = 19.919192
timer.c:110:period = 20, resolution = 10
timer.c:136:min = 12, max = 21, average = 19.919192
timer.c:110:period = 20, resolution = 20
timer.c:136:min = 1, max = 30, average = 19.919192
timer: 40 tests executed, 0 marked as todo, 0 failures.

and with patch:

timer.c:59:wPeriodMin = 1, wPeriodMax = 65535
timer.c:110:period = 1, resolution = 0
timer.c:136:min = 0, max = 2, average = 1.000000
timer.c:110:period = 1, resolution = 1
timer.c:136:min = 0, max = 2, average = 1.000000
timer.c:110:period = 10, resolution = 0
timer.c:136:min = 0, max = 20, average = 9.818182
timer.c:110:period = 10, resolution = 1
timer.c:136:min = 0, max = 23, average = 9.818182
timer.c:110:period = 10, resolution = 10
timer.c:136:min = 0, max = 24, average = 9.818182
timer.c:110:period = 20, resolution = 0
timer.c:136:min = 12, max = 21, average = 19.919192
timer.c:110:period = 20, resolution = 1
timer.c:136:min = 12, max = 23, average = 19.919192
timer.c:110:period = 20, resolution = 10
timer.c:136:min = 12, max = 22, average = 19.919192
timer.c:110:period = 20, resolution = 20
timer.c:136:min = 12, max = 23, average = 19.919192
timer: 40 tests executed, 0 marked as todo, 0 failures.

I guess I need to add a standard deviation to the tests.




More information about the wine-devel mailing list