Hi Daniel, On 3 August 2011 15:58, Daniel Lezcano <daniel.lezc...@linaro.org> wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > 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 > >
it sounds good for me. > 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 ? > > you could integrate a non regression test which check that performance results in both sched_mc_power_savings=0 and sched_mc_power_savings=2 . I have one which uses cyclictest and sysbench. Then, you're right that we must wait a bit before adding some functional tests which test that sched_mc is working as expected (from a power saving point of view) with sched_mc_power_savings=2 Vincent > - -- > <http://www.linaro.org/> Linaro.org ? Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iQEcBAEBAgAGBQJOOWIyAAoJEAKBbMCpUGYAGoEIAL7ETqYPdyCzS3c+4JYMrK72 > AXMLu9W6stMfuTssyGZFBlsSbWsSDKbkqp8uzKc0zr8gw7KgQdVedHkBTn3H8QCi > enAPoaIonkB7+UDNpg5zvrg4swLIMSJ5wBd7SVmFDnLiGIAf/seJac31ZtoLRV3A > kT7wnusIQFATWVazlR110zNrLVA1rEdlOXBWudCYj4FPTnTde6mBqkvW1WMRDroP > XAazklW7e7+NF2xo0/+7T2xT8Mudc3ELY5+KMF7j6YMCh/h8WSaSWh0baES0/Mie > crFku0w+trXaniW6qnrxAWCyc0BB/MVbd60PJVJ25nnxTGo4JwwOf4hQZ5GHKfc= > =7lNh > -----END PGP SIGNATURE----- > > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
