Re: Regarding LAVA

2018-10-24 Thread Viresh Kumar
Neil responded to this thread and his email got auto-discarded from the list due to some configuration glitch in linaro-dev list, which should be fixed now. Copying his email here to make sure it reaches the interested recipients. -- viresh -8<- Fr

Re: [PM-QA] question about cpufreq subtest

2017-08-17 Thread Viresh Kumar
On 18 August 2017 at 12:03, Dai Xiang wrote: > On Fri, Aug 18, 2017 at 11:59:47AM +0530, Viresh Kumar wrote: >> On 18 August 2017 at 11:52, Dai Xiang wrote: >> > Cool, after use this kernel_cmdline, 4\5\6\8 can pass now, but 1\7\9 still >> > can not: >> &g

Re: [PM-QA] question about cpufreq subtest

2017-08-17 Thread Viresh Kumar
On 18 August 2017 at 11:52, Dai Xiang wrote: > Cool, after use this kernel_cmdline, 4\5\6\8 can pass now, but 1\7\9 still > can not: Why do you say that 4/5/6/8 have passed ? > cpufreq_01.0/cpu0: checking 'scaling_available_frequencies' exists in > '/sys/devices/system/cpu/cpu0/cpufreq'... Err

Re: [PM-QA] question about cpufreq subtest

2017-08-17 Thread Viresh Kumar
On 18 August 2017 at 11:48, Daniel Lezcano wrote: > I don't know the passive / active mode but the path changed. > > /sys/devices/system/cpu/cpufreq/policy[0-9]/scaling_driver Naah, we wouldn't have broken userspace like that :) $ ls -l /sys/devices/system/cpu/cpu0/cpufreq lrwxrwxrwx 1 root root

Re: [PM-QA] question about cpufreq subtest

2017-08-17 Thread Viresh Kumar
On 18 August 2017 at 11:11, Dai Xiang wrote: > In fact, i has used intel_pstate driver: > $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver > intel_pstate It may be running in *active* mode and you need to put it in *passive* mode. Try passing following with cmdline: intel_pstate=passi

Re: [PM-QA] question about cpufreq subtest

2017-08-17 Thread Viresh Kumar
On 18 August 2017 at 08:33, Dai Xiang wrote: > Hi! > > I test with below two cpu to test: > - Intel(R) Xeon(R) CPU E7-8890 v4 @ 2.20GHz > - Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz > > With below action: > make -C cpuidle cpuidle_killer > make -C cpufreq run_tests > > And only cpufreq_02 and cpuf

Re: softreset issue

2015-12-11 Thread Viresh Kumar
On 11-12-15, 20:25, Ryan wrote: > I am referring to the thread: > > https://lists.linaro.org/pipermail/linaro-dev/2012-September/013311.html > > I am facing the exact issue and i want to check where it is hanging. > > Am not sure if it is hanging at the xloader or not. > > Do i need to build Li

Re: [PATCH] rt-app: Add IO-bounded and memory-bounded events

2014-12-01 Thread Viresh Kumar
On 2 December 2014 at 12:51, pi-cheng.chen wrote: > Add 2 new kind of event for running a memory or a io bounded load. > "mem" name for a load is memory bounded, and "iorun" name for a load is io > bounded. The default file to be written to create the load is /dev/null and > the device/file could

Re: [PATCH] Add IO-bounded and memory-bounded events

2014-12-01 Thread Viresh Kumar
On 2 December 2014 at 12:34, pi-cheng.chen wrote: > Add 2 new kind of event for running a memory or a io bounded load. > "mem" name for a load is memory bounded, and "iorun" name for a load is io > bounded. The default file to be written to create the load is /dev/null and > the device/file could

Re: [PATCH PMQA] nohz: check cpus are in nohz mode

2014-06-04 Thread Viresh Kumar
On 4 June 2014 18:29, Sanjay Singh Rawat wrote: > check for the timer interrupt raised on cpu for duration of > 3 seconds and report the mode Issues with this approach: - Currently even with NO_HZ_FULL we will get rid of tick only for 1 second - You may also false report idle CPUs here? - There s

Re: cpufreq lock

2014-06-01 Thread Viresh Kumar
On 30 May 2014 21:20, Sriram V wrote: > I am looking at in cpufreq.c > > __cpufreq_governor(policy, CPUFREQ_GOV_STOP); > up_write(&policy->rwsem); > __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); > down_write(&policy->rwsem); > > Why do we need to unlock the l

Re: cpufreq policy

2014-05-25 Thread Viresh Kumar
On 26 May 2014 10:53, Ryan wrote: > Thanks for your help. Your welcome.. > I was trying to print the policy pointer of each cpu - and it points > to the same address for all cpus. Good, so all CPUs are sharing the same clock line in your case. You are probably using an ARM board :) > But could

Re: cpufreq policy

2014-05-25 Thread Viresh Kumar
On 26 May 2014 00:27, Ryan wrote: > What is the difference between cpufreq policy and governors? Probably you can go through Documentation/cpu-freq/* for this information. Governor decides which frequency you will switch to and when. Policy decides which frequencies you *can* switch to. > Are th

Re: [PATCH PMQA] cpuhotplug: add subtest to stress hotplug feature

2014-04-23 Thread Viresh Kumar
On 24 April 2014 10:01, Sanjay Singh Rawat wrote: >> On hotplug, all the tasks/works/timers/hrtimers are migrated to other >> online CPUs.. > > hmm thanks, was thinking what could lead to the freeze then. Hmm.. So you are actually debugging a problem here? I thought it is yet another 'good to hav

Re: [PATCH PMQA] cpuhotplug: add subtest to stress hotplug feature

2014-04-23 Thread Viresh Kumar
On 23 April 2014 17:11, Sanjay Singh Rawat wrote: > Signed-off-by: Sanjay Singh Rawat > --- > - This will help in catching issue like https://lkml.org/lkml/2014/3/25/122 > > - Tested on my x86 dev m/c > Output: > running hotplug stress on cpu : cpu1 > pass: cpu hotplug count = 200 duration = 16.9

Re: cpufrequency ondemand governor question

2014-01-08 Thread Viresh Kumar
On 9 January 2014 02:30, Mathieu Poirier wrote: > On 8 January 2014 13:35, Sriram V wrote: >> I am seeing a behaviour where the load variations are very frequency >> between 1ghz and 300mhz in a very short interval of time giving the >> ping-pong effect. \ >> Is there a way of avoiding this Also,

Re: [Script]: Get isolation time of a CPU with NO_HZ_FULL

2013-12-23 Thread Viresh Kumar
On 26 November 2013 15:29, Viresh Kumar wrote: > Hi Kevin, > > I have updated the script you shared here: > > https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/AdaptiveTickless?action=AttachFile&do=view&target=nohz-test-cpuset.sh > > to get the time

Presentation on Kernel Shark by Steven Rostedt

2013-11-28 Thread Viresh Kumar
In case somebody needs.. Video: http://www.youtube.com/watch?v=ABRtzVtUVBo Presentation: http://elinux.org/images/6/64/Elc2011_rostedt.pdf ___ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev

[Script]: Get isolation time of a CPU with NO_HZ_FULL

2013-11-26 Thread Viresh Kumar
Hi Kevin, I have updated the script you shared here: https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/AdaptiveTickless?action=AttachFile&do=view&target=nohz-test-cpuset.sh to get the time for which cpu wasn't getting interrupted. Probably this might be useful for few other folks as wel

Re: [OT] Re: [Query]: How to sync gmail contacts with thunderbird

2013-11-13 Thread viresh kumar
On Wednesday 13 November 2013 09:45 PM, Christian Robottom Reis wrote: > Totally OT, but why not > > https://addons.mozilla.org/en-us/thunderbird/addon/google-contacts/ > > which is what some people I know use? Don't know if that will work or not. We don't have linaro contacts in gmail conta

[Query]: How to sync gmail contacts with thunderbird

2013-11-13 Thread Viresh Kumar
Hi Guys, I was wondering if somebody has gone through an LDAP setup and has this stuff working? I found this page as well: https://support.mozillamessaging.com/en-US/kb/thunderbird-and-gmail/discuss/771 but its not working. Actually I am not able to ping ldap.gmail.com and so the problem.. Tha

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-10-22 Thread Viresh Kumar
On 4 October 2013 18:09, Sebastian Andrzej Siewior wrote: > tglx, could you please take a look at this patch / thread? Thomas, Ping!! ___ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev

Re: Ondemand governor clarifications

2013-09-28 Thread Viresh Kumar
But he considers the total wall time or up time right and total idle > time from the beginning. It is not just during the "sampling period" > duration. No.. load is calculated between samples... only > Thanks for your time. > > > /Ryan > > > > On Fri, Sep

Re: Ondemand governor clarifications

2013-09-26 Thread Viresh Kumar
On 27-Sep-2013 1:55 AM, "Ryan" wrote: > > Let me understand how the downscaling works in the older sources. > > So, you mean that - > > 1) Upthreshold = 95% > down dif = 5% > > so, upthreshold - down diff = 90% > > if load is 85% ; cpu downscaling takes place > if load is 75% ; cpu downscalin

Re: Ondemand governor clarifications

2013-09-26 Thread Viresh Kumar
On 26-Sep-2013 10:03 PM, "Ryan" wrote: > > Can you explain a little bit, I read somewhere that it is due to ping > pong. but i was not able to visualize that part. > How it could happen. Suppose load is changing between 90 and 99, then due to down diff we will keep running at max freq.. otherwise

Re: Ondemand governor clarifications

2013-09-26 Thread Viresh Kumar
On 26-Sep-2013 8:50 PM, "Ryan" wrote: > > i did not quite understand the down differential part. Can any one explain it. > What role it plays while scaling down. because if the load is less > than (upthresold - down_differential) > it scales down everytime the sample duration. this is what i under

Re: Ondemand governor clarifications

2013-09-26 Thread Viresh Kumar
On 26-Sep-2013 7:52 PM, "Ryan" wrote: > > Hi, > > I wanted to know if the ondemand governor scales down the frequency to > a minimum when the load comes below up_threshold? > > I understand that > > 1) Every now and then, the governor work queue runs and checks for > "load" in percentage. > >

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-08-07 Thread Viresh Kumar
On 24 July 2013 14:47, Viresh Kumar wrote: > On 18 June 2013 10:21, Viresh Kumar wrote: > Hi Thomas, > > Do you still see some light of hope in this patch :) ? Ping!! ___ linaro-dev mailing list linaro-dev@lists.linaro.org http://list

Organizing Config Fragments

2013-07-31 Thread Viresh Kumar
Hi Andrey, linaro/configs/* is getting bigger and bigger, probably its the right time to organize it better for the future. There can be multiple things that we can do to avoid confusions of names but for now probably we can create separate directories for boards, rootfs & kernel fragments? Or som

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-07-24 Thread Viresh Kumar
On 18 June 2013 10:21, Viresh Kumar wrote: > On 31 May 2013 16:19, Viresh Kumar wrote: >> On 22 May 2013 14:04, Viresh Kumar wrote: >>> Sorry for being late in replying to your queries. >>> >>> On 13 May 2013 16:05, Thomas Gleixner wrote: >>>

Re: backup/restore concept?

2013-07-23 Thread Viresh Kumar
Adding more relevant list in cc. On 23 July 2013 16:05, Ryan wrote: > Hi, > > I have some doubts on backup and restore operation. From what i understand: > > We copy all registers values & addresses of all controllers in the SOC > to the internal RAM or SRAM. > before we put CPU to sleep? > > I w

Re: sched: Load-balancing within HMP domain in the HMP scheduler

2013-06-27 Thread Viresh Kumar
Adding its author in cc. On 27 June 2013 14:16, J wrote: > > Hi. > > I have been trying to apply Linaro's HMP scheduler to a big.LITTLE > machine, which has 4 big and 4 LITTLE cores. > However, I could only utilize two cores with the HMP scheduler. > > While hmp_select_faster_cpu() always selects

Re: [PATCH 0/7] uprobes: Add uprobes support to ARM

2013-06-19 Thread Viresh Kumar
On 20 June 2013 00:41, David Long wrote: > This patch series adds basic uprobes support to ARM. It is based on patches > developed earlier by Rabin Vincent. That approach of adding special cases > into the kprobes instruction parsing code was not well received. This > approach separates the A

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-06-17 Thread Viresh Kumar
On 31 May 2013 16:19, Viresh Kumar wrote: > On 22 May 2013 14:04, Viresh Kumar wrote: >> Sorry for being late in replying to your queries. >> >> On 13 May 2013 16:05, Thomas Gleixner wrote: >>> Which mechanism is migrating the timer away? >> >> It will

Re: [GIT PULL]: ll-interactive-gov-updates : Per policy governor instance

2013-06-17 Thread Viresh Kumar
On 22 May 2013 00:13, Andrey Konovalov wrote: > Hi Viresh, > > Merged into v3.10-rc2 based llct-20130521.0. Hi Again. I have rebased this over linaro-android-3.10-experimental from John. Please repull it. ___ linaro-dev mailing list linaro-dev@lists.l

Re: [PATCH V2 01/10] USB: OHCI: Properly handle ohci-at91 suspend

2013-06-17 Thread Viresh Kumar
On 17 June 2013 14:52, Manjunath Goudar wrote: > when we are using tab characters before "do_wakeup" and "ret" variable,we > will be getting error below. > > WARNING: please, no space before tabs > #31: FILE: drivers/usb/host/ohci-at91.c:622: > +^Ibool ^I^Ido_wakeup = device_may_wakeup(&pdev->dev

Re: [PATCH V2 00/10] USB: OHCI:Properly handle ohci_suspend()routine in bus glue

2013-06-13 Thread Viresh Kumar
Please use linaro-kernel instead of linaro-dev mailing list for sending patches. On 13 June 2013 14:46, Manjunath Goudar wrote: > Suspend scenario in case of ohci bus glue was not properly handled as > it was not suspending generic part of ohci controller. Calling > explicitly the ohci_suspend()r

Re: [PATCH 10/10] USB: OHCI: Properly handle ohci-spear suspend

2013-06-13 Thread Viresh Kumar
On 13 June 2013 14:41, Manjunath Goudar wrote: > Suspend scenario in case of ohci-spear glue was not > properly handled as it was not suspending generic part > of ohci controller.Calling explicitly the ohci_suspend() Add space after full stop. > routine in spear_ohci_hcd_drv_suspend() will ensur

[GIT PULL RESENT] CPUFreq: ARM Updates for v3.11

2013-06-07 Thread Viresh Kumar
Hi Rafael, The following changes since commit d683b96b072dc4680fc74964eca77e6a23d1fa6e: Linux 3.10-rc4 (2013-06-02 17:11:17 +0900) are available in the git repository at: git://git.linaro.org/people/vireshk/linux.git cpufreq-next for you to fetch changes up to ea61623fe9badd5a195b3a0878e6d

Re: [GIT PULL] CPUFreq: ARM Updates for v3.11

2013-06-07 Thread Viresh Kumar
On 7 June 2013 16:41, Rafael J. Wysocki wrote: > On Friday, June 07, 2013 04:26:36 PM Viresh Kumar wrote: >> cpufreq: bit.LITTLE needs cpufreq table > > That should be big.LITTLE I suppose? Yes. This is not the first time I face this issue where big is written as bit. Even

[GIT PULL] CPUFreq: ARM Updates for v3.11

2013-06-07 Thread Viresh Kumar
Hi Rafael, The following changes since commit d683b96b072dc4680fc74964eca77e6a23d1fa6e: Linux 3.10-rc4 (2013-06-02 17:11:17 +0900) are available in the git repository at: git://git.linaro.org/people/vireshk/linux.git cpufreq-next for you to fetch changes up to f13ad5d9829c060fffe5bf45b05cc

Re: [RFC][PATCH 4/7] USB: OHCI: make ohci-spear a separate driver

2013-06-07 Thread Viresh Kumar
-platform kernels on ARM. > > Signed-off-by: Manjunath Goudar > Cc: Viresh Kumar > Cc: Arnd Bergmann > Cc: Greg KH > Cc: Alan Stern > Cc: linux-...@vger.kernel.org > --- > drivers/usb/host/Kconfig |8 +++ > drivers/usb/host/Makefile |1 +

Couldn't locate release kernel sha key 0f66281a18ce706b4de2d4c208a852d358ecaf43

2013-06-03 Thread Viresh Kumar
Hi Guys, Few of my ARM colleagues are facing issues in obtaining git tree for 13.03 release. They are referring: https://releases.linaro.org/13.03/android/vexpress file: linaro_kernel_build_cmds.sh Which has got following line to go to checkout released tree. git checkout 0f66281a18ce706b4de2

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-31 Thread Viresh Kumar
On 22 May 2013 14:04, Viresh Kumar wrote: > Sorry for being late in replying to your queries. > > On 13 May 2013 16:05, Thomas Gleixner wrote: >> Which mechanism is migrating the timer away? > > It will be the same: get_nohz_timer_target() which will decide target > c

Re: [PATCH 3/8] ARM: SPEAr: use generic cpu idle function for wfi

2013-05-28 Thread Viresh Kumar
cpu, int *spurious) > { > for (;;) { > - wfi(); > + /* enter WFI mode */ > + cpu_do_idle(); > > if (pen_release == cpu) { Acked-by: Viresh Kumar ___ linaro-dev mailing list linaro-d

Re: [RFC V7 PATCH 0/3] USB: OHCI: Start splitting up the driver

2013-05-27 Thread Viresh Kumar
On 27 May 2013 17:55, Manjunath Goudar wrote: > This series of patches begins the process of splitting ohci-hcd up into > a core library module and independent pci driver modules. > > Patch 1/3 prepares the way by exporting a few functions from ohci-hcd > and adding a new mechanism for platform-sp

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-22 Thread Viresh Kumar
On 22 May 2013 14:36, Peter Zijlstra wrote: > On Wed, May 22, 2013 at 02:04:16PM +0530, Viresh Kumar wrote: > >> So, this is the clean draft for the idea I had.. (Naming is poor for >> now): >> >> diff --git a/include/linux/timer.h b/include/linux/timer.h >> in

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-22 Thread Viresh Kumar
Sorry for being late in replying to your queries. On 13 May 2013 16:05, Thomas Gleixner wrote: > Which mechanism is migrating the timer away? It will be the same: get_nohz_timer_target() which will decide target cpu for migration. > I have no objections to the functionality per se, but the prop

[GIT PULL]: ll-interactive-gov-updates : Per policy governor instance

2013-05-20 Thread Viresh Kumar
Hi Andrey, I have got some important updates for Android's Interactive Governor. These are already sent to Todd Poyner for inclusion into AOSP and we are awaiting a response. These changes are important for ARM big LITTLE platforms which want multiple instances of a governor to be available for a

Re: [RELEASE] big-LITTLE-MP-upstream-v3

2013-05-20 Thread Viresh Kumar
On 20 May 2013 15:42, Amit Kucheria wrote: > Do you also have a tree based on linux-linaro where the reference MP > patches are removed and this branch applied so Naresh and Vincent can > continue their benchmarking experiments? Or will we wait until Andrey > has finalised the linux-linaro tree be

[RELEASE] big-LITTLE-MP-upstream-v3

2013-05-20 Thread Viresh Kumar
Hi Guys, V3 [1] of latest upstream effort for big LITTLE Architecture is ready for release. It is based of 3.10-rc1. Updates: --- - Stats: Total distinct patches: 28 - New branch: master-wq-migration-v5 (Queued for 3.11) - New versions of branches: upstream-config-fragment

Re: [PATCH 00/16] Support for per policy instance of Interactive governor

2013-05-20 Thread Viresh Kumar
On 17 May 2013 22:17, John Stultz wrote: > On 05/16/2013 09:18 PM, Viresh Kumar wrote: >> >> On 16 May 2013 22:58, John Stultz wrote: >>> >>> Do you have a git branch with the queue you just sent Todd available? It >>> probably would be easiest to just

Re: [RFC PATCH 4/6] ARM: spear: use the core cpu hotplug functions

2013-05-19 Thread Viresh Kumar
Please write spear as SPEAr. On 20 May 2013 12:03, Sanjay Singh Rawat wrote: > Generic arm cpu hotplug related functions are moved to core hotplug code, > remove the functions from the platform code. > > Signed-off-by: Sanjay Singh Rawat > --- > arch/arm/mach-spear/hotplug.c | 37 +---

Re: [GIT PULL] big LITTLE MP - v17

2013-05-17 Thread Viresh Kumar
On 17 May 2013 16:01, Liviu Dudau wrote: > We are still waiting for some workload automation test results before we can > decide. Sorry I haven't replied yet to your other email, but we don't have > the bandwidth in ARM at the moment to run the tests, so it will fall into > your lap (or someone in

[GIT PULL] big LITTLE MP - v17

2013-05-16 Thread Viresh Kumar
MU names ARM: perf: save/restore pmu registers in pm notifier sched: fix arch_get_fast_and_slow_cpus to get logical cpumask correctly Thomas Gleixner (1): genirq: Add default affinity mask command line option Viresh Kumar (9): workqueues: Introduce new flag WQ_POWER_EFFICIENT for p

Re: [PATCH 00/16] Support for per policy instance of Interactive governor

2013-05-16 Thread Viresh Kumar
On 17 May 2013 09:48, Viresh Kumar wrote: > On 16 May 2013 22:58, John Stultz wrote: >> Do you have a git branch with the queue you just sent Todd available? It >> probably would be easiest to just merge that in. > > Yes I do have it. It is android-experimental-3.9 based

Re: [PATCH 3/3] sched: cfs.nr_running does not contain the intended metric

2013-05-16 Thread Viresh Kumar
Fixing linaro dev address On 16 May 2013 22:18, Chris Redpath wrote: > rq->nr_running is the actual number of runnable tasks we wish to use > to determine if a task is alone on a CPU. > > Change-Id: Icaf3022e02924ecdc94e14d4146c6fadd9580e2b > Signed-off-by: Chris Redpath > --- > kernel/sched/fa

Re: [PATCH 1/3] sched: Do not ignore grouped tasks during HMP forced migration.

2013-05-16 Thread Viresh Kumar
Fixing Linaro dev addresss. On 16 May 2013 22:18, Chris Redpath wrote: > If the entity is not a task, it is a cfs group rq. Iterate up to > find the task entity. > > Change-Id: I7cab7aba0798f6f14e38ad32e566d90e5937ffbc > Signed-off-by: Chris Redpath > --- > kernel/sched/fair.c | 11 ++

Re: [PATCH 2/3] sched: Ignore offline CPUs in HMP migration & load stats

2013-05-16 Thread Viresh Kumar
Fixing linaro dev address On 16 May 2013 22:18, Chris Redpath wrote: > Previously, an offline CPU would always appear to have a zero load > and this would distort the offload functionality used for balancing > big and little domains. > > Maintain a mask of online CPUs in each domain and use this

Re: [PATCH 0/3] Miscellaneous bug fixes for HMP Reference Patches

2013-05-16 Thread Viresh Kumar
You missed "lists." in linaro-dev address. On 16 May 2013 22:17, Chris Redpath wrote: > Hi Viresh, this patch set contains 3 fixed for issues I've seen recently > in the HMP reference patch set. Please would you be able to take them > and make a new v17 branch :) > > These are rebased onto the v1

Re: [PATCH 00/16] Support for per policy instance of Interactive governor

2013-05-16 Thread Viresh Kumar
On 16 May 2013 22:58, John Stultz wrote: > Do you have a git branch with the queue you just sent Todd available? It > probably would be easiest to just merge that in. Yes I do have it. It is android-experimental-3.9 based. Can we merge that simply with linux-linaro or it is required to be rebased

Re: [PATCH 00/16] Support for per policy instance of Interactive governor

2013-05-16 Thread Viresh Kumar
On 16 May 2013 14:58, Viresh Kumar wrote: > Hi Todd and others, > > If we have a multi-package system, where we have multiple instances of struct > policy (per package), currently we can't have multiple instances of same > governor. i.e. We can't have multiple instance

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-05-13 Thread Viresh Kumar
On 24 April 2013 16:52, Viresh Kumar wrote: > On 9 April 2013 20:22, Viresh Kumar wrote: >> [Steven replied to a personal Ping!!, including everybody again] >> >> On 9 April 2013 19:25, Steven Rostedt wrote: >>> On Tue, 2013-04-09 at 14:05 +0530,

Re: [ANNOUNCE] [linux-linaro kernel] Start maintaining the list of the current topic owners in git.l.o

2013-04-25 Thread Viresh Kumar
On 26 April 2013 00:46, Andrey Konovalov wrote: > Greetings, > > I've been asked to have the list of the linux-linaro and > linux-linaro-core-tracking topic owners in git.l.o. I longer term this > information would be a part of the manifest. For now it would be a text file > in [1], the linux-lina

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-04-24 Thread Viresh Kumar
On 9 April 2013 20:22, Viresh Kumar wrote: > [Steven replied to a personal Ping!!, including everybody again] > > On 9 April 2013 19:25, Steven Rostedt wrote: >> On Tue, 2013-04-09 at 14:05 +0530, Viresh Kumar wrote: >>> Ping!! >>> >> >> Remind m

Re: [PATCH] genirq: Add default affinity mask command line option

2013-04-21 Thread Viresh Kumar
On 19 November 2012 20:17, Punit Agrawal wrote: > The patch was picked up as-is from the RT patches as it implements a > functionality that we wanted to better control IRQ affinity. Being part > of the RT patches, I hope that it'll merge into mainline via that route > and I am not going to try to

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-04-09 Thread Viresh Kumar
[Steven replied to a personal Ping!!, including everybody again] On 9 April 2013 19:25, Steven Rostedt wrote: > On Tue, 2013-04-09 at 14:05 +0530, Viresh Kumar wrote: >> Ping!! >> > > Remind me again. What problem are you trying to solve? I was trying to migrate a run

Re: Issues with merge_config.sh

2013-04-04 Thread Viresh Kumar
On 5 April 2013 07:58, John Stultz wrote: > On 04/04/2013 06:34 PM, Viresh Kumar wrote: >> Everytime i run merge_config.sh even with O=../ option, i have to run > > O=../ ? Hmm.. when we compile kernel we can give O=../output-folder as an parameter and so image/binaries wil

Re: Issues with merge_config.sh

2013-04-04 Thread Viresh Kumar
On 5 April 2013 00:18, John Stultz wrote: > Yea, I'll push it upstream and send it to Andrey for Linux Linaro. Thanks > for the testing. There are more problems than this i believe... Everytime i run merge_config.sh even with O=../ option, i have to run make mrproper to clean other stuff otherwi

Re: Issues with merge_config.sh

2013-04-03 Thread Viresh Kumar
On 3 April 2013 22:53, John Stultz wrote: > Huh. I'm totally unfamiliar with this. > > Looks like when adding support for the -O option, if its not used, we end up > passing -O=. to make, which generates the unnecessary source softlink. > > Does the attached patch fix it for you? Yes it does.. Th

Re: Looking for Linaro specific kernel

2013-04-03 Thread Viresh Kumar
On 3 April 2013 21:38, Young, Chad wrote: > I am looking for the kernel source 3.5.0-rc7 for the ARM versatile express > system, does anyone know where I can find it? Look for this tag: ll-20120712.0, here: https://git.linaro.org/gitweb?p=kernel/linux-linaro-tracking.git;a=summary

Re: Issues with merge_config.sh

2013-04-03 Thread Viresh Kumar
On 3 April 2013 21:41, John Stultz wrote: > On 04/02/2013 11:26 PM, Viresh Kumar wrote: >> >> Hi John, >> >> I have been struggling since some time "who creates source directory >> in my kernel tree"? >> And i thought to clean up the mess today a

[RELEASE] big LITTLE MP Upstream based of 3.9-rc3

2013-04-03 Thread Viresh Kumar
Hi Guys, [All this is not yet mainlined and is WIP] Linaro and ARM are developing Linux solutions for big LITTLE Architecture. And I maintain all the stable stuff on this here: [1] and this gets pulled in by Andrey for every linux-linaro release. [1] by itself isn't much usable as it doesn't hav

Issues with merge_config.sh

2013-04-02 Thread Viresh Kumar
Hi John, I have been struggling since some time "who creates source directory in my kernel tree"? And i thought to clean up the mess today and found running merge_config.sh creates it.. And it isn't cleaned up even by running make mrproper... PS: I am not using O=../ option.

Re: interactive governor issue with linked cpufreq feature and hotplug governor enabled for smp system

2013-03-29 Thread Viresh Kumar
On 29 March 2013 20:19, zhoujie wu wrote: > I have synced the governor_interactive.c from the latest linaro code branch > integration-android-vexpress that release at Feb.2013. I never said i have changes in interactive governor as i can't push that for 3.9. It isn't mainlined yet :) The issue w

Re: interactive governor issue with linked cpufreq feature and hotplug governor enabled for smp system

2013-03-28 Thread Viresh Kumar
Hi Zhoujie, On 28 March 2013 18:42, zhoujie wu wrote: > I found a kernel panic case caused by interactive governor when we > enabled both hotplug governor and linked cpufreq features. > > Below is the background and root cause, > We are using the latest interactive governor on dual ca9 smp system

Re: BLS 13.03 RC1 ready for testing

2013-03-26 Thread Viresh Kumar
On 26 March 2013 22:52, Dietmar Eggemann wrote: > Would it be possible for you to merge in 'idlenocb.2013.03.18b' (based > on v3.9-rc2) (or newer) from > 'git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git' > into your big.LITTLE MP tree? I talked to Paul McKenney about this and >

Re: [PATCH V2 Resend 4/4] timer: Migrate running timer

2013-03-20 Thread Viresh Kumar
On 27 November 2012 19:17, Steven Rostedt wrote: > On Tue, 2012-11-06 at 16:08 +0530, Viresh Kumar wrote: >> diff --git a/kernel/timer.c b/kernel/timer.c >> @@ -729,6 +730,12 @@ __mod_timer(struct timer_list *timer, unsigned long >> expires, >> >> bas

[GIT PULL] big LITTLE MP - v16

2013-03-20 Thread Viresh Kumar
perf: set cpu affinity for the irqs correctly ARM: perf: remove spaces in CPU PMU names ARM: perf: save/restore pmu registers in pm notifier sched: fix arch_get_fast_and_slow_cpus to get logical cpumask correctly Thomas Gleixner (1): genirq: Add default affinity mask comman

LCA13: Video: Scheduler Internals by: Vincent Guittot

2013-03-09 Thread Viresh Kumar
Hi Guys, Below are hangout upstreams of Scheduler Internals by Vincent Guittot done in LCA13. We have got another version of this recording that is done by some other cameras, but its size was 30 GB and so hard to upstream. In case you need that please contact me. Day 1: http://www.youtube.com/w

[INFORMATION] Please post your patches to linaro-kernel mailing list.

2013-03-01 Thread Viresh Kumar
Hi Guys, There was mail chain earlier which has discussed this earlier but not sure if everybody got the final conclusion or not (that's why we are still posting on linaro-dev). Please embed linaro-kernel instead of linaro-dev in all your scripts that you use for sending patches. Thanks in Advan

Re: [PATCH v9 0/2] Add display-timing node parsing to exynos drm fimd

2013-02-27 Thread Viresh Kumar
On 28 February 2013 09:42, Vikas Sajjan wrote: > Add display-timing node parsing to drm fimd and depends on > the display helper patchset at > http://lists.freedesktop.org/archives/dri-devel/2013-January/033998.html > > It also adds pinctrl support for drm fimd. Hi Vikas, Can you please keep lin

Re: [PATCH V2 0/4] CPUFreq: Implement per policy instances of governors

2013-02-21 Thread Viresh Kumar
On 11 February 2013 13:19, Viresh Kumar wrote: > This is targetted for 3.10-rc1 or linux-next just after the merge window. Hi Rafael, I have pushed this patch again with the modifications/fixups i posted: cpufreq-for-3.10 Also i have swapped patch 3 & 4, in case you decide to drop that

Re: [PATCH V2 3/4] cpufreq: Add Kconfig option to enable/disable have_multiple_policies

2013-02-21 Thread Viresh Kumar
On 22 February 2013 07:59, Rafael J. Wysocki wrote: > On Friday, February 22, 2013 07:44:23 AM Viresh Kumar wrote: >> If you don't like this one then we can add another entry >> into struct policy like: gov_sysfs_parent. > > I don't know. This is going to look kin

Re: [PATCH V2 4/4] cpufreq: Get rid of "struct global_attr"

2013-02-21 Thread Viresh Kumar
On 22 February 2013 08:03, Rafael J. Wysocki wrote: > On Friday, February 22, 2013 07:47:44 AM Viresh Kumar wrote: >> On 22 February 2013 05:15, Rafael J. Wysocki wrote: >> > Why did you change all of the lines of this macro instead of changing just >> > the >>

Re: [PATCH V2 1/4] cpufreq: Add per policy governor-init/exit infrastructure

2013-02-21 Thread Viresh Kumar
or-3.10 branch: -- commit 4d7296fb64f2353aafad5104f0a046466d0f4ea9 Author: Viresh Kumar Date: Fri Feb 22 07:56:31 2013 +0530 fixup! cpufreq: Add per policy governor-init/exit infrastructure --- include/linux/cpufreq.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a

Re: [PATCH V2 2/4] cpufreq: governor: Implement per policy instances of governors

2013-02-21 Thread Viresh Kumar
On 11 February 2013 13:20, Viresh Kumar wrote: > diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h > #define CPUFREQ_PRECHANGE (0) > @@ -183,11 +197,10 @@ static inline unsigned long cpufreq_scale(unsigned long > old, u_int div, u_int mu > #define CPUFREQ_G

Re: [PATCH V2 1/4] cpufreq: Add per policy governor-init/exit infrastructure

2013-02-21 Thread Viresh Kumar
On 22 February 2013 07:51, Rafael J. Wysocki wrote: > On Friday, February 22, 2013 07:38:12 AM Viresh Kumar wrote: >> No. These are used atleast for ondemand & conservative. > > They will be after the next patch, you mean? :-) > Well, it appeared so from t

Re: [PATCH V2 4/4] cpufreq: Get rid of "struct global_attr"

2013-02-21 Thread Viresh Kumar
On 22 February 2013 05:15, Rafael J. Wysocki wrote: > Why did you change all of the lines of this macro instead of changing just the > one line you needed to change? I didn't like the indentation used within the macro. So did it. > Please don't do that. Okay. __

Re: [PATCH V2 3/4] cpufreq: Add Kconfig option to enable/disable have_multiple_policies

2013-02-21 Thread Viresh Kumar
On 22 February 2013 05:23, Rafael J. Wysocki wrote: > On Monday, February 11, 2013 01:20:02 PM Viresh Kumar wrote: >> +config CPU_FREQ_HAVE_MULTIPLE_POLICIES >> + bool >> + > > So I suppose some architectures will select this, right? Yes. And they have to enable

Re: [PATCH V2 1/4] cpufreq: Add per policy governor-init/exit infrastructure

2013-02-21 Thread Viresh Kumar
On 22 February 2013 05:05, Rafael J. Wysocki wrote: > On Monday, February 11, 2013 01:20:00 PM Viresh Kumar wrote: >> This patch is inclined towards providing this infrastructure. Because we are >> required to allocate governor's resources dynamically now, we must do it at &g

Re: suggestion: move kernel patches off linaro-dev

2013-02-21 Thread Viresh Kumar
On 21 February 2013 16:34, Amit Kucheria wrote: > I don't have a strong preference one way or another about switching > from linaro-dev to linaro-kernel. > > Don't forget to update > https://wiki.linaro.org/Resources/HowTo/Git/GitSendEmail Done. ___ l

Re: suggestion: move kernel patches off linaro-dev

2013-02-21 Thread Viresh Kumar
On 18 February 2013 23:50, Serge Broslavsky wrote: > On 18.02.13 12:20 -0500, Nicolas Pitre wrote: >> For the record, I think what Peter is suggesting is reasonable. There >> must be better ways for people to find out what Linaro is participating in >> other than scaring them away from linaro-dev

Re: [Query]: Can people post to this mailing list without subscription?

2013-02-20 Thread Viresh Kumar
On 20 February 2013 16:19, Wookey wrote: > +++ Philip Colmer [2013-02-20 08:36 +]: >>I'm not entirely comfortable with blindly white-listing anyone who posts >>to linaro-dev with something that doesn't look like spam, for several >>reasons: >>1. That is not a great way to run a

Re: [Query]: Can people post to this mailing list without subscription?

2013-02-20 Thread Viresh Kumar
On 20 February 2013 14:06, Philip Colmer wrote: > I'm not entirely comfortable with blindly white-listing anyone who posts to > linaro-dev with something that doesn't look like spam, for several reasons: > > 1. That is not a great way to run a moderated mailing list. > 2. IT aren't going to be in

Re: [Query]: Can people post to this mailing list without subscription?

2013-02-19 Thread Viresh Kumar
On 20 February 2013 11:00, Amit Kucheria wrote: > Yes, the moderator lets these emails in and whitelists known upstream > developers upon request. Please let Anmar or Philip know any such > email addresses. Okay. I got this. But what i requested was a bit more than that... In current case somebo

[Query]: Can people post to this mailing list without subscription?

2013-02-19 Thread Viresh Kumar
Hi Guys, I really don't know whom to direct this mail to and hence the wide spread. Problem: When we send a mail to kernel mailing lists with linaro-dev or linaro-kernel in cc, and we get replies to those mails, sometimes the mails from outside people doesn't reach us back on linaro mailing lists

Re: [GIT PULL] big LITTLE MP - v15

2013-02-18 Thread Viresh Kumar
On 17 February 2013 03:13, Andrey Konovalov wrote: > Merged into llct-20130217.0 Hi Andrey, Because 3.8 is released today, do you want this release to be based of that instead of an RC release? It wouldn't be much work for everybody i believe. ___ lin

Re: [patch v5 0/15] power aware scheduling

2013-02-18 Thread Viresh Kumar
Applied here: http://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/power-aware-scheduling-v5 On 18 February 2013 10:37, Alex Shi wrote: > Since the simplification of fork/exec/wake balancing has much arguments, > I removed that part in the patch set. > > This patch set im

Re: PGP key signing part in Bangalore on Monday Feb 18th

2013-02-16 Thread Viresh Kumar
On 17 February 2013 11:11, Viresh Kumar wrote: > I have booked a room from 11:00 AM to 12:00 PM : 1 hr. > > I will see if i can request it from 10:30 to 11:00 also, in case the other > party > accepts it :) > > I would request all of us to reach ARM by 10:30 AM. So, that w

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