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author | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
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committer | codeworkx <daniel.hillenbrand@codeworkx.de> | 2012-06-02 13:09:29 +0200 |
commit | c6da2cfeb05178a11c6d062a06f8078150ee492f (patch) | |
tree | f3b4021d252c52d6463a9b3c1bb7245e399b009c /drivers/cpufreq/Kconfig | |
parent | c6d7c4dbff353eac7919342ae6b3299a378160a6 (diff) | |
download | kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.zip kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.gz kernel_samsung_smdk4412-c6da2cfeb05178a11c6d062a06f8078150ee492f.tar.bz2 |
samsung update 1
Diffstat (limited to 'drivers/cpufreq/Kconfig')
-rw-r--r-- | drivers/cpufreq/Kconfig | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index 9fb8485..8e089bd 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -99,6 +99,30 @@ config CPU_FREQ_DEFAULT_GOV_CONSERVATIVE Be aware that not all cpufreq drivers support the conservative governor. If unsure have a look at the help section of the driver. Fallback governor will be the performance governor. + +config CPU_FREQ_DEFAULT_GOV_INTERACTIVE + bool "interactive" + select CPU_FREQ_GOV_INTERACTIVE + help + Use the CPUFreq governor 'interactive' as default. This allows + you to get a full dynamic cpu frequency capable system by simply + loading your cpufreq low-level hardware driver, using the + 'interactive' governor for latency-sensitive workloads. + +config CPU_FREQ_DEFAULT_GOV_ADAPTIVE + bool "adaptive" + select CPU_FREQ_GOV_ADAPTIVE + help + Use the CPUFreq governor 'adaptive' as default. This allows + you to get a full dynamic cpu frequency capable system by simply + loading your cpufreq low-level hardware driver, using the + 'adaptive' governor for latency-sensitive workloads and demanding + performance. + +config CPU_FREQ_DEFAULT_GOV_PEGASUSQ + bool "pegasusq" + select CPU_FREQ_GOV_PEGASUSQ + endchoice config CPU_FREQ_GOV_PERFORMANCE @@ -156,6 +180,45 @@ config CPU_FREQ_GOV_ONDEMAND If in doubt, say N. +config CPU_FREQ_GOV_ONDEMAND_FLEXRATE + bool "flexrate interface for 'ondemand' cpufreq policy governor" + depends on CPU_FREQ_GOV_ONDEMAND + help + Flexrate for 'ondemand' governor provides an interface to request + faster polling temporarily. This is to let it react quickly to + load changes when there is high probablity of load increase + in short time. For example, when a user event occurs, we have + use this interface. It does not increase the frequency + unconditionally; however, it allows ondemand to react fast + by temporarily decreasing sampling rate. Flexrate provides both + sysfs interface and in-kernel interface. + +config CPU_FREQ_GOV_ONDEMAND_FLEXRATE_MAX_DURATION + int "flexrate's maximum duration of sampling rate override" + range 5 500 + depends on CPU_FREQ_GOV_ONDEMAND_FLEXRATE + default "100" + help + The maximum number of ondemand sampling whose rate is + overriden by Flexrate for ondemand. + +config CPU_FREQ_GOV_INTERACTIVE + tristate "'interactive' cpufreq policy governor" + help + 'interactive' - This driver adds a dynamic cpufreq policy governor + designed for latency-sensitive workloads. + + This governor attempts to reduce the latency of clock + increases so that the system is more responsive to + interactive workloads. + + To compile this driver as a module, choose M here: the + module will be called cpufreq_interactive. + + For details, take a look at linux/Documentation/cpu-freq. + + If in doubt, say N. + config CPU_FREQ_GOV_CONSERVATIVE tristate "'conservative' cpufreq governor" depends on CPU_FREQ @@ -179,6 +242,38 @@ config CPU_FREQ_GOV_CONSERVATIVE If in doubt, say N. +config CPU_FREQ_GOV_ADAPTIVE + tristate "'adaptive' cpufreq policy governor" + help + 'adaptive' - This driver adds a dynamic cpufreq policy governor + designed for latency-sensitive workloads and also for demanding + performance. + + This governor attempts to reduce the latency of clock + increases so that the system is more responsive to + interactive workloads in loweset steady-state but to + to reduce power consumption in middle operation level level up + will be done in step by step to prohibit system from going to + max operation level. + + To compile this driver as a module, choose M here: the + module will be called cpufreq_adaptive. + + For details, take a look at linux/Documentation/cpu-freq. + + If in doubt, say N. + +config CPU_FREQ_GOV_PEGASUSQ + tristate "'pegasusq' cpufreq policy governor" + +config CPU_FREQ_DVFS_MONITOR + bool "dvfs monitor" + depends on CPU_FREQ + help + This option adds a proc node for dvfs monitoring. + /proc/dvfs_mon + + menu "x86 CPU frequency scaling drivers" depends on X86 source "drivers/cpufreq/Kconfig.x86" |