[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #17 from Len Brown l...@kernel.org 2010-12-11 04:31:00 --- My original plan was to add a play_dead to cpuidle drivers, but I think that peter's solution is simpler, and solves 90% of the problem, which is to say, all the x86 hardware that has shipped in the last few years supports native MWAIT. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 Len Brown l...@kernel.org changed: What|Removed |Added Attachment #39662|0 |1 is obsolete|| --- Comment #18 from Len Brown l...@kernel.org 2010-12-11 04:42:23 --- Created an attachment (id=39772) -- (https://bugzilla.kernel.org/attachment.cgi?id=39772) patch vs 2.6.36.y replace previous 2.6.36.y patch with the correct version. (this one actually compiles... and has been verified with a power meter on 2.6.36.2). -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #19 from Len Brown l...@kernel.org 2010-12-11 04:44:30 --- Created an attachment (id=39782) -- (https://bugzilla.kernel.org/attachment.cgi?id=39782) patch vs 2.6.35.y tested on 2.6.35.9 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #11 from Len Brown l...@kernel.org 2010-12-09 22:30:17 --- Created an attachment (id=39662) -- (https://bugzilla.kernel.org/attachment.cgi?id=39662) patch vs 2.6.36.y This patch vs 2.6.36.y consolidates 3 patches upstream in 2.6.37-rc that address this problem. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #12 from Thomas Renninger tr...@suse.de 2010-12-09 23:08:03 --- This should not hold the patch off (took long enough until there finally showed up a solution), just two comments: It looks like this patch re-implements deep sleep state in smpboot.c? 1) Double sleeping Looks like it's double sleeping in case of mwait is available, shouldn't it be something like: /* Returns error code if mwait is not available */ static inline *int* mwait_play_dead(void) ... if (mwait_play_dead()) hlt_play_dead(); 2) This only works for mwait... Thinking of other possibilities for deep sleeping, namely IO triggered C-states, this would not work? Instead of double implementing deep sleep something like this would be a cleaner way?: if (cpuidle_driver_registered()) cpuidle_enter_deepest_sleep(); else hlt_play_dead(); This would: - need the two functions being implemented in the cpuidle framework - not work as long as cpuidle drivers did not get registered..., but it shouldn't be a big deal, nobody offlines CPUs at boot time -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #13 from H. Peter Anvin h...@zytor.com 2010-12-09 23:16:47 --- Play dead and go to sleep are not necessarily the same things -- in particular, there may be operations that are appropriate when going to sleep but not when offlining -- e.g. invoking ACPI routines -- and there may be operations which we can do when we're going to lose state anyway, i.e. entered an otherwise-disabled MWAIT state. That doesn't mean this couldn't be added to the cpuidle framework, but using the cpuidle framework as it currently sits would be unacceptably dangerous. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #14 from Thomas Renninger tr...@suse.de 2010-12-09 23:30:31 --- there may be operations that are appropriate when going to sleep but not when offlining -- e.g. invoking ACPI routines Going to ACPI driven sleep states from cpuidle should not invoke ACPI routines, just read an IO address. But I see the point (and I have to double check). Any other requirements? cpuidle_enter_deepest_sleep() must of course not sleep/lock before going to idle. If I have a lot of time I try to clean this further up if it makes sense. Whatabout the double sleep? -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #15 from H. Peter Anvin h...@zytor.com 2010-12-09 23:33:14 --- No, it should be cpuidle_play_dead() if anything. There is no double sleep. The play_dead routines never return if successful. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 Len Brown l...@kernel.org changed: What|Removed |Added Status|RESOLVED|CLOSED -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #16 from Thomas Renninger tr...@suse.de 2010-12-10 00:10:59 --- Thanks. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 Zhang Rui rui.zh...@intel.com changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||PATCH_ALREADY_AVAILABLE --- Comment #10 from Zhang Rui rui.zh...@intel.com 2010-09-27 00:22:41 --- Mark this bug report as resolved because patch is already available. we can close it when the patch is shipped in the upstream kernel. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 Thomas Renninger tr...@suse.de changed: What|Removed |Added CC||a.p.zijls...@chello.nl H. Peter Anvin h...@zytor.com changed: What|Removed |Added CC||h...@zytor.com --- Comment #9 from H. Peter Anvin h...@zytor.com 2010-09-20 22:52:58 --- Code currently in x86:tip/idle... assuming it doesn't fail in testing we'll push it to Linus in the next merge window. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
https://bugzilla.kernel.org/show_bug.cgi?id=5471 Thomas Renninger tr...@suse.de changed: What|Removed |Added CC||a.p.zijls...@chello.nl -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Zhang Rui rui.zh...@intel.com changed: What|Removed |Added CC||l...@kernel.org, ||rui.zh...@intel.com AssignedTo|venkatesh.pallip...@gmail.c |shaohua...@intel.com |om | --- Comment #8 from Zhang Rui rui.zh...@intel.com 2010-03-12 03:35:40 --- re-assign to Shaohua as Venki will not look at this any more. -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Download Intel#174; Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Holger Macht hol...@homac.de changed: What|Removed |Added CC||hol...@homac.de -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Download Intel#174; Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 --- Comment #7 from Abhishek J abhir...@gmail.com 2010-02-17 21:44:22 --- hello all, i finally got time around to patch and test this. patched 2.6.32-5 with the `unaccepted patch` and it seems to work. reduction of about 4-5 W per core shut for an i7 920. compared with C6 state enabled. So any reason for using/not using this patch? Thanks! -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Download Intelreg; Parallel Studio Eval http://p.sf.net/sfu/intel-sw-dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Alan a...@lxorguk.ukuu.org.uk changed: What|Removed |Added Kernel Version|2.6.14 |2.6.32 Regression|--- |No -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Thomas Renninger tr...@suse.de changed: What|Removed |Added CC||venkatesh.pallip...@intel.c ||om --- Comment #6 from Thomas Renninger tr...@suse.de 2010-01-21 12:58:24 --- For reference: There has been an unaccepted approach by Venki: http://lkml.indiana.edu/hypermail/linux/kernel/0905.2/02692.html Adding Venkatesh to CC list, should this one be assigned to you? -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Venkatesh Pallipadi venkatesh.pallip...@intel.com changed: What|Removed |Added Status|REOPENED|ASSIGNED AssignedTo|l...@kernel.org |venkatesh.pallip...@intel.c ||om -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Abhishek J abhir...@gmail.com changed: What|Removed |Added CC||abhir...@gmail.com --- Comment #5 from Abhishek J abhir...@gmail.com 2010-01-21 03:01:37 --- I can attest this happening with i7 920 processor With the watts-up-pro wattmeter. on Evga x58 SLI-758 board with C6 state enabled and HT disabled. Kernel tested - 2.6.30, 2.6.31, 2.6.32.3, With all 4 cores running Wattmeter reading median 163 W With 3 cores running Wattmeter reading median 168 W With 2 cores running Wattmeter reading median 173 W -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 Anders Aagaard aagaa...@gmail.com changed: What|Removed |Added CC||aagaa...@gmail.com -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. -- Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 a...@lxorguk.ukuu.org.uk changed: What|Removed |Added CC||a...@lxorguk.ukuu.org.uk Status|NEW |REJECTED Resolution||INSUFFICIENT_DATA --- Comment #3 from a...@lxorguk.ukuu.org.uk 2009-03-24 07:56 --- Closing old stale bugs. If this is still a problem please re-open -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. -- Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 len.br...@intel.com changed: What|Removed |Added Status|REJECTED|REOPENED Resolution|INSUFFICIENT_DATA | --- Comment #4 from len.br...@intel.com 2009-03-24 14:03 --- re-opened -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. -- Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 rui.zh...@intel.com changed: What|Removed |Added Severity|normal |blocking -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. -- Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
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[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 len.br...@intel.com changed: What|Removed |Added AssignedTo|rui.zh...@intel.com |len.br...@intel.com Status|ASSIGNED|NEW -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. -- SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
[Bug 5471] offline CPU burns more power than idle CPU
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[Bug 5471] offline CPU burns more power than idle CPU
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[Bug 5471] offline CPU burns more power than idle CPU
http://bugzilla.kernel.org/show_bug.cgi?id=5471 [EMAIL PROTECTED] changed: What|Removed |Added AssignedTo|[EMAIL PROTECTED] |[EMAIL PROTECTED] ||m Component|Config-Hotplug |Power-Processor Summary|offline CPU vs idle C-states|offline CPU burns more power ||than idle CPU -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug, or are watching someone who is. - This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now http://get.splunk.com/ ___ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla