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author | Tim Chen <tim.c.chen@linux.intel.com> | 2016-11-22 23:23:53 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2016-11-24 16:09:46 +0300 |
commit | afe06efdf07c12fd9370d5cce5383398cedf6c90 (patch) | |
tree | 3219592dcafbd67be8cbb5b97315f2f25fb5c617 /arch/x86/include/asm/topology.h | |
parent | 2b4d5b2582deffb77b3b4b48a59cd36e9e1e14d9 (diff) | |
download | linux-afe06efdf07c12fd9370d5cce5383398cedf6c90.tar.xz |
sched: Extend scheduler's asym packing
We generalize the scheduler's asym packing to provide an ordering
of the cpu beyond just the cpu number. This allows the use of the
ASYM_PACKING scheduler machinery to move loads to preferred CPU in a
sched domain. The preference is defined with the cpu priority
given by arch_asym_cpu_priority(cpu).
We also record the most preferred cpu in a sched group when
we build the cpu's capacity for fast lookup of preferred cpu
during load balancing.
Co-developed-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: linux-pm@vger.kernel.org
Cc: jolsa@redhat.com
Cc: rjw@rjwysocki.net
Cc: linux-acpi@vger.kernel.org
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: bp@suse.de
Link: http://lkml.kernel.org/r/0e73ae12737dfaafa46c07066cc7c5d3f1675e46.1479844244.git.tim.c.chen@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/topology.h')
0 files changed, 0 insertions, 0 deletions