[Bug 297355] New: no_hz kernel is far too often in highest frequency - openSUSE Bugs - openSUSE Mailing Lists

newer
[Bug 299863] New: Lots of warnings...

[Bug 297355] New: no_hz kernel is far too often in highest frequency

older
[Bug 175605] nv: X server hanging...

bugzilla_noreply＠novell.com

3 Aug 2007 3 Aug '07

18:30

https://bugzilla.novell.com/show_bug.cgi?id=297355 Summary: no_hz kernel is far too often in highest frequency Product: openSUSE 10.3 Version: Alpha 6 Platform: Other OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: aj@novell.com QAContact: qa@suse.de CC: matz@novell.com, trenn@novell.com Found By: --- On a nearly ideal system: top - 20:27:27 up 1:30, 7 users, load average: 0.56, 0.34, 0.23 Tasks: 115 total, 3 running, 112 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3%us, 0.3%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st The system is far too often speeding up to the fastest frequency: Cn Avg residency (15s) P-states (frequencies) C0 (cpu running) ( 6.9%) C1 0.0ms ( 0.0%) 1400 Mhz 55.5% C2 7.9ms (51.2%) 1300 Mhz 0.0% C3 7.9ms (41.9%) 1200 Mhz 0.0% 600 Mhz 44.5% If I boot with "nohz=off" I get: Cn Avg residency (10s) P-states (frequencies) C0 (cpu running) ( 8.3%) C1 0.0ms ( 0.0%) 1400 Mhz 0.0% C2 1.9ms (43.7%) 1300 Mhz 0.0% C3 2.6ms (48.1%) 1200 Mhz 0.0% 600 Mhz 100.0% I'm using the cpufreq ondemand governor. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

Show replies by date

bugzilla_noreply＠novell.com

5 Aug 5 Aug

14:41

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c1 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |aj@novell.com --- Comment #1 from Thomas Renninger 2007-08-05 08:41:47 MST --- Can you also add dmesg and cat /proc/cpuinfo, pls. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

16:08

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c2 --- Comment #2 from Andreas Jaeger 2007-08-05 10:08:43 MST --- cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 13 model name : Intel(R) Pentium(R) M processor 1.40GHz stepping : 6 cpu MHz : 1400.000 cache size : 2048 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe up est tm2 bogomips : 2792.84 clflush size : 64 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

16:09

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c3 Andreas Jaeger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|aj@novell.com | --- Comment #3 from Andreas Jaeger 2007-08-05 10:09:24 MST --- Created an attachment (id=155639) --> (https://bugzilla.novell.com/attachment.cgi?id=155639) dmesg output -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

20:09

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c4 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |venkatesh.pallipadi@intel.com --- Comment #4 from Thomas Renninger 2007-08-05 14:09:06 MST --- Venkatesh, can you help here, pls. Looks like ondemand does not like recent no_hz patches? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

11 Aug 11 Aug

15:39

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c5 --- Comment #5 from Venkatesh Pallipadi 2007-08-11 09:39:01 MST --- These two recent commits to mainline will resolve this. 0af99b13c9f323e658b4f1d69a1ccae7d6f3f80a ea48761519bd40d7a881c587b5f3177664b2987e -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

16:22

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c6 Greg Kroah-Hartman changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |venkatesh.pallipadi@intel.com --- Comment #6 from Greg Kroah-Hartman 2007-08-11 10:22:54 MST --- Should those commits be added to the 2.6.22-stable series also? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

12 Aug 12 Aug

07:46

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c7 --- Comment #7 from Andreas Jaeger 2007-08-12 01:46:54 MST --- If anybody gives me a kernel to test, I'll happily test it. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

13:05

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c9 --- Comment #9 from Andreas Jaeger 2007-08-12 07:05:24 MST --- Ok, received kernel from Thomas (thanks!). It looks fine to me now (nearly idle): PowerTOP version 1.7 (C) 2007 Intel Corporation Cn Avg residency (15s) P-states (frequencies) C0 (cpu running) ( 5.2%) C1 0.0ms ( 0.0%) 1400 Mhz 2.8% C2 3.4ms (46.3%) 1300 Mhz 0.0% C3 5.4ms (48.4%) 1200 Mhz 0.0% 600 Mhz 97.2% -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

13 Aug 13 Aug

19:08

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c10 --- Comment #10 from Venkatesh Pallipadi 2007-08-13 13:08:57 MST --- Greg, Yes. I will say they are needed for stable as well. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

23:49

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c11 Greg Kroah-Hartman changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mboman@novell.com --- Comment #11 from Greg Kroah-Hartman 2007-08-13 17:49:29 MST --- *** Bug 297974 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=297974 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

23:57

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c12 Greg Kroah-Hartman changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |gregkh@novell.com AssignedTo|kernel- |trenn@novell.com |maintainers@forge.provo.nove| |ll.com | Status|NEEDINFO |NEW Info Provider|venkatesh.pallipadi@intel.co| |m | --- Comment #12 from Greg Kroah-Hartman 2007-08-13 17:57:15 MST --- Ok, I've now added them to the -stable tree, thanks for letting me know. Thomas, feel free to check in these patches to the tree, if you haven't already done that :) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

14 Aug 14 Aug

06:44

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c13 Thomas Renninger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED --- Comment #13 from Thomas Renninger 2007-08-14 00:44:08 MST --- Done. Thanks a lot Venki. Your help is very much appreciated. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

bugzilla_noreply＠novell.com

07:52

New subject: [Bug 297355] no_hz kernel is far too often in highest frequency

https://bugzilla.novell.com/show_bug.cgi?id=297355#c15 --- Comment #15 from Andreas Jaeger 2007-08-14 01:52:03 MST --- Btw. I'm just uploading new kernels to the outside that contain these fixes and some more: ftp://ftp.suse.com/pub/people/aj/10.3-Beta1-Kernel-Test/ The kernel is also available as part of our kernel of the day (KOTD) Thanks everybody! -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

Reply

Sign in to reply online Use email software

6106

Age (days ago)

6117

Last active (days ago)

Download

13 comments

1 participants

tags

participants (1)

bugzilla_noreply＠novell.com