diff options
| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-26 17:11:03 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-26 17:11:03 -0400 |
| commit | 8b0ee07e108b2eefdab5bb73f33223f18926c3b2 (patch) | |
| tree | f68ca04180c5488301a40ec212ef2eb2467cf56c /drivers/cpufreq/Kconfig | |
| parent | 4638aef40ba9ebb9734caeed1f373c24015259fd (diff) | |
| parent | 8678887e7fb43cd6c9be6c9807b05e77848e0920 (diff) | |
Merge upstream (approx. 2.6.12-git8) into 'janitor' branch of netdev-2.6.
Diffstat (limited to 'drivers/cpufreq/Kconfig')
| -rw-r--r-- | drivers/cpufreq/Kconfig | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index 95882bb1950..60c9be99c6d 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -46,6 +46,10 @@ config CPU_FREQ_STAT_DETAILS This will show detail CPU frequency translation table in sysfs file system +# Note that it is not currently possible to set the other governors (such as ondemand) +# as the default, since if they fail to initialise, cpufreq will be +# left in an undefined state. + choice prompt "Default CPUFreq governor" default CPU_FREQ_DEFAULT_GOV_USERSPACE if CPU_FREQ_SA1100 || CPU_FREQ_SA1110 @@ -115,4 +119,24 @@ config CPU_FREQ_GOV_ONDEMAND If in doubt, say N. +config CPU_FREQ_GOV_CONSERVATIVE + tristate "'conservative' cpufreq governor" + depends on CPU_FREQ + help + 'conservative' - this driver is rather similar to the 'ondemand' + governor both in its source code and its purpose, the difference is + its optimisation for better suitability in a battery powered + environment. The frequency is gracefully increased and decreased + rather than jumping to 100% when speed is required. + + If you have a desktop machine then you should really be considering + the 'ondemand' governor instead, however if you are using a laptop, + PDA or even an AMD64 based computer (due to the unacceptable + step-by-step latency issues between the minimum and maximum frequency + transitions in the CPU) you will probably want to use this governor. + + For details, take a look at linux/Documentation/cpu-freq. + + If in doubt, say N. + endif # CPU_FREQ |