Public bug reported:
Binary package hint: oprofile
Hello,
OProfile on ARM currently doesn't support the Cortex-A9 platform. With the
2.6.35 release of the Linux Kernel,
the OProfile backend for the Cortex-A9 will be available. The userspace patches
to make use of this new feature
are availabl
Linked to from: https://blueprints.launchpad.net/ubuntu/+spec/arm-m
-debugging-with-oprofile
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ARM Cortex-A9 (SMP) is currently unsupported by OProfile
https://bugs.launchpad.net/bugs/591862
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I think this is an issue with the L2 cache latencies. Can somebody test
the attached patch please? (taken against 2.6.36-rc4).
If it works, I'll try and do a cleaned up version for mainline (and
Linaro).
** Patch added: "Dirty hack to set the L2 latencies for the PL310"
https://bugs.launchpad
Ok - I've updated the patch [attached] and posted it to the mailing
list. I'll also ask Nicolas to pull my latest stable fixes for Linaro.
** Patch added: "Cleaner patch to set the correct L2 latencies for the
Cortex-A9 tile on the Versatile Express"
https://bugs.launchpad.net/ubuntu/+source/
Public bug reported:
I have a Dell XPS 13 2015 laptop (Broadwell i7) using the intel_pstate
driver for CPU power management. After a cold boot, the CPUs are all
using the "powersave" cpufreq governor:
$ cat /sys/devices/system/cpu/cpu{0..3}/cpufreq/scaling_governor
powersave
powersave
powersave
p
Not clear which package is responsible, so removing cpufrequtils as I
don't even have that installed.
** Package changed: cpufrequtils (Ubuntu) => ubuntu
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I tried using the v4.4-rc5 mainline build from :
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4-rc5-wily/
and everything is now working nicely.
Consequently, I'm assigning this to the linux (kernel) package, since it
looks like the issue is there. Unfortunately, I don't specifically what
nee
Hi guys,
This looks like the same problem the imx guys were seeing in:
https://bugs.launchpad.net/linaro-landing-team-freescale/+bug/893653
I'll mail Nico on linaro-dev about including the fix from mainline. Note
that OMAP isn't providing PMU platform_device so perf isn't going to
work with thes
On Fri, Jul 08, 2011 at 09:50:39AM +0100, Loïc Minier wrote:
> Will, did the userspace patches get merged upstream by any chance?
Yes, although they haven't made a release for a couple of years now, so
you'll need to get the latest version via git.
One of the patches is here:
http://oprofile.git
