cvs commit: src/sys/dev/acpica acpi_cpu.c
alc at cs.rice.edu
Mon Oct 11 13:22:39 PDT 2004
On Mon, Oct 11, 2004 at 06:06:42AM +0000, Nate Lawson wrote:
> njl 2004-10-11 06:06:42 UTC
> FreeBSD src repository
> Modified files:
> sys/dev/acpica acpi_cpu.c
> If bus mastering control is not available (PM2_BLK), don't just disable
> C3. Instead, flush caches before entering C3. This may be slower but
> provides good power savings.
> Revision Changes Path
> 1.44 +28 -17 src/sys/dev/acpica/acpi_cpu.c
This has pessimized the performance of my P4. For example, the "buildworld"
time has increased by 30 seconds (out of ~30 minutes).
Is there any information about my machine that you would like to have?
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