Messages in this thread Patch in this message | | | From | Con Kolivas <> | Subject | [PATCH] Add on-demand cpu-freq governor as default option | Date | Mon, 20 Sep 2004 13:12:30 +1000 |
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This patch adds the option of using the on-demand cpu-frequency governor as the default governor in Kconfig.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
Index: linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig =================================================================== --- linux-2.6.9-rc2-mm1.orig/drivers/cpufreq/Kconfig 2004-09-19 19:49:57.716825544 +1000 +++ linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig 2004-09-19 19:52:36.919623040 +1000 @@ -36,6 +36,17 @@ config CPU_FREQ_DEFAULT_GOV_USERSPACE program shall be able to set the CPU dynamically without having to enable the userspace governor manually. +config CPU_FREQ_DEFAULT_GOV_ONDEMAND + bool "ondemand" + select CPU_FREQ_GOV_ONDEMAND + help + Use the CPUFreq governor 'ondemand' as default. + This governor does a periodic polling and + changes frequency based on the CPU utilization. + The support for this governor depends on CPU capability to + do fast frequency switching (i.e, very low latency frequency + transitions). + endchoice config CPU_FREQ_GOV_PERFORMANCE Index: linux-2.6.9-rc2-mm1/include/linux/cpufreq.h =================================================================== --- linux-2.6.9-rc2-mm1.orig/include/linux/cpufreq.h 2004-09-19 19:49:57.765818096 +1000 +++ linux-2.6.9-rc2-mm1/include/linux/cpufreq.h 2004-09-19 19:52:36.919623040 +1000 @@ -323,6 +323,9 @@ extern struct cpufreq_governor cpufreq_g #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE) extern struct cpufreq_governor cpufreq_gov_userspace; #define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_userspace +#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND) +extern struct cpufreq_governor cpufreq_gov_dbs; +#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_dbs #endif | |