-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 08/03/2011 06:25 PM, Vincent Guittot wrote: > Hi Daniel, > > On 3 August 2011 15:58, Daniel Lezcano <daniel.lezc...@linaro.org> wrote:
[ ... ] >> it sounds good for me. Ok, cool. Thanks. > 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. Can you elaborate a bit ? Do you mean, we should run the test and compare the result to some hardcoded values (taking account the hysteresis of course) ? >> 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOOl7mAAoJEAKBbMCpUGYATdMIAJ8lkSd5Rxw4iU/ta2GKMCnc THA2/XdaS/lNXtdCIiQX1u1bIz9YGcRwQhnPA3oFJoDbRs/67EroNhoW8o7gwzk6 F8AFhbqcjj3YdykJ5k3rxsxdZLnUnprANxc6PTujs/Xj9qKekZ/G0SPfACmfL2aG oTSHXAQGBl8Pb0vojGOfLDmhOAM88l13Q9vnT2gq6zYbhfSgybGnuCaUQl+DZlCh xiXFaDgFMVMfaw2XeJQsvlgo2MnxWxo86oMZFICgF01hhCeWc9U6GNtQB0OaaQON 8UnP04DVCjkXn76F6zua6qVSRrw/GHklXYdKdIEAGlpFEElmhjhwRSUH6Z44/04= =BuHj -----END PGP SIGNATURE----- _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
