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Hi all,
here is a few test scenario I would like to add to the pm-qa.
test_01: the sched_mc feature is enabled in the kernel
check the presence of the 'sched_mc_power_savings' file
test_02: the topology is implemented in the kernel
check the value of the physical_package_id file is different from "-1"
test_03: the topology files are present
check the presence of the topology files for each cpu:
* core_id
* core_siblings
* core_siblings_list
* physical_package_id
* thread_siblings
* thread_siblings_list
test_04: the change are effective for sched_mc
check the ability to change the value [0-2] of the
'sched_mc_power_savings' file
test_05: the topology is consistent
check the consistency of the topology files
* for each package:
* count the cores
-> the number of cores is 2 ^ (nr_cores - 1)
-> all core ids are between 0 and nr_cores - 1
Concerning the functional tests, I need some hints :)
On the architecture we have, that will be difficult to verify sched_mc
works as expected.
If I understood correctly, in order to test that, we should have a
dual Cortex-A9 to check a program with two processes eating a lot of
cpu cycles will be bounded in the same socket_id when
sched_mc_power_savings=2.
The other processor staying idle or not running any of these
processes, right ? AFAIK, there is no such hardware, no ?
- --
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