On Thu, 26 Sep 2013, Viresh Kumar wrote:
There are several problems/bugs in cpufreq-stats specially with cpufreq drivers as modules and suspend/resume path. These are mentioned well in changelogs.
These are tested over my thinkpad (acpi-cpufreq) in following way: [1] offline+online all CPUs except boot cpu in a while loop [2] then do suspend resume [3] repeat [1] and [2] several times.
No issues found..
Also tested on my exynos board:
- Added cpufreq_unregister/register while loop in exynos-cpufreq.c so that we continuously register/unregister driver... Stats were working fine now..
- Compile cpufreq-stats as module and insert/remove it several times after removing above hack (as that doesn't let linux boot :) )..
@Nico: Can you remove the hacky code from IKS tree and test these instead to see if we still have any issues?
My testing of those patches took a long and winding path but finally I was able to do it today.
So for the 4 patches:
Tested-by: Nicolas Pitre nico@linaro.org Acked-by: Nicolas Pitre nico@linaro.org
Nicolas