diff mbox

[RFC,01/12,v2] CONFIG for CPU ConCurrency

Message ID 1399832221-8314-2-git-send-email-yuyang.du@intel.com (mailing list archive)
State RFC, archived
Headers show

Commit Message

Yuyang Du May 11, 2014, 6:16 p.m. UTC 
Add CONFIG_CPU_CONCURRENCY in arch/x86/Kconfig. This CONFIG enables/disables
CPU ConCurrency load metric tracking.

Signed-off-by: Yuyang Du <yuyang.du@intel.com>
---
 arch/x86/Kconfig |   11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox

Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 25d2c6f..9bfac8d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -797,6 +797,17 @@  config SCHED_MC
 	  making when dealing with multi-core CPU chips at a cost of slightly
 	  increased overhead in some places. If unsure say N here.
 
+config CPU_CONCURRENCY
+	bool "CPU ConCurency (CC)"
+	default n
+	depends on SMP
+	---help---
+	  CPU ConCurrency (CC) is a new CPU load metric that measures the CPU
+	  load by averaging the number of running tasks. Using CC, the scheduler
+	  can evaluate the load of CPUs and may consolidate workloads on CPUs in
+	  load balancing for power efficiency without sacrificing performance.
+	  If unsure say N here.
+
 source "kernel/Kconfig.preempt"
 
 config X86_UP_APIC