Date: Mon, 17 Nov 2003 09:51:45 -0800 (PST) From: Nate Lawson <nate@root.org> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: RE: cvs commit: src/sys/dev/acpica acpi_cpu.c src/share/man/man4 acpi.4 src/sys/conf files src/sys/modules/acpi Makefile Message-ID: <20031117095013.T60600@root.org> In-Reply-To: <XFMail.20031117115150.jhb@FreeBSD.org> References: <XFMail.20031117115150.jhb@FreeBSD.org>
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On Mon, 17 Nov 2003, John Baldwin wrote: > On 15-Nov-2003 Nate Lawson wrote: > > njl 2003/11/15 11:26:06 PST > > > > FreeBSD src repository > > > > Modified files: > > sys/dev/acpica acpi_cpu.c > > share/man/man4 acpi.4 > > sys/conf files > > sys/modules/acpi Makefile > > Log: > > Implement Cx CPU idle states and updated throttling support. > > > > * Use the cpu_idle_hook() to do idling for C1-C3. > > * Use both _CST and the FADT to detect Cx states. > > * Use both _PTC and P_CNT for controlling throttling. > > * Add a notify handler to detect changes in _CST and _PSS > > * Call the _INI function for each processor if present. This will be > > done by ACPI-CA in the future. > > * Fix a bug on SMP systems where CPUs will attach multiple times if the > > bus is rescan. > > * Document new sysctls for controlling idling. > > Cool! Thanks for your help, as well as marcel and imp. I'd appreciate testing of the various levels of cx_lowest as well as on SMP boxes. I can't find one that supports lower than C1 but hopefully there will be some in the future. Send me the output of sysctl hw.acpi.cpu. -Nate
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