-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 09/04/2014 11:32 AM, Nicolas Pitre wrote: > The code in find_idlest_cpu() looks for the CPU with the smallest > load. However, if multiple CPUs are idle, the first idle CPU is > selected irrespective of the depth of its idle state. > > Among the idle CPUs we should pick the one with with the shallowest > idle state, or the latest to have gone idle if all idle CPUs are in > the same state. The later applies even when cpuidle is configured > out. > > This patch doesn't cover the following issues:
The main thing it does not cover is already running tasks that get woken up again, since select_idle_sibling() covers everything except for newly forked and newly executed tasks. I am looking at adding similar logic to select_idle_sibling() - -- All rights reversed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJUKyd9AAoJEM553pKExN6DXZgH/1R26XfYv2FzYV9IGbty3vVx 1kMPozdb7jRAUR8+WkUgs7ntkbqau2hC/nTjDsSsiLQwXdjaDdqvnbt8Y6srI1es /Z+IRaIPGx24D7D6nB5sLgsAq6DsANUdtFK3TsED8+07LbiY71o64YQ3X1IEVyRO FKBcDw9+DBPGVySKIdMm0h2txdnQ3Jy2lM3nKV8tBFheRuOhU4Rv/fumEYAUYvDV J9y91RhKOeEJYmaYL6oQYtZgBqhDoJmh/0DjOrK6H71oZYiNWeIUxtieNXaNQp7B Rd8khOVFLsf/qZK6qjmgnfO9Mm5ij/PvrALOBZt8O9KAD3/v3kXfWIm9tO1NDZU= =kTdn -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/