Hi buddies,
We are planning to integrate cpu idle notification into b113 if thing
goes smoothly, so quick response is appreciated.
Thanks!
Liu, Jiang <> wrote:
> Hi buddies,
> I'm glad to announce the first release of PSARC/2009/115 CPU idle
> notification implementation. Great thanks to Randy and Garrett for
> supporting
> this project.
> The gate for CPU idle notification and FIPE project is
> ssh://hg.opensolaris.org/tesla/mempm-fipe.
> The webrev release is at
> http://cr.opensolaris.org/~gerry/cpuidle_20090327/. The PSARC
> onepager is at
> http://cr.opensolaris.org/~gerry/CPU_idle_notification_onepager.txt.
> Could you please help to review the source code and give us any
> comments and suggestions about it? There are known limitations in
> current implementation
> and several directions for future work as below:
> 1) Currently implementation only supports x86, supporting of SPARC
> will be added later (I'm not familiar with SPARC and needs help from
>SPARC experts.)
> 2) There's unit test code in current code, which will be removed in
>final release.
> 3) Needs your comments about moving "tlb_going_idle/tlb_service"
>and "cpu_dtrace_idle_probe" into CPU idle notifcation as callbacks. Then
>we could control relative calling order with other idle callbacks. It will also
>help to remove unnecessary calling of "tlb_service" in do_interrupt.
> 4) Needs your comments about better cooperation with CPU deep C
> driver to avoid duplicated work both in cpupm and idle notification.
> 5) Needs your comments on whether need to add "check_wakeup"
>hook to cpu_idle_enter, then cpu_idle_enter could detect CPU wakeup as soon
> as possible.
> 6) There are several violations to PSARC/2009/115.
> So please share your ideas/suggestions with me!
> Thanks!
>
> Liu Jiang (Gerry)
> Senior Software Engineer
> OpenSolaris, OTC, SSG, Intel
> Tel: (8610)82171643
> iNet: 8-758-1643
> Location: Raycom 9W013
>
>
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Liu Jiang (Gerry)
OpenSolaris, OTC, SSG, Intel
