X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=README.txt;h=3185264d3a47cde9fd123f729f62f08352c99ad4;hb=c327d3611dc5e876f675344bcee991ea788a9f1d;hp=1434303c95825c3c061dc812d95e777972354a6c;hpb=76179c07b5f1c0a19c4545bd51541e2cd64b07c7;p=breezed.git diff --git a/README.txt b/README.txt index 1434303..3185264 100644 --- a/README.txt +++ b/README.txt @@ -5,48 +5,31 @@ * INSTALLATION - You can install it simply by running as root + Before installing, you must have a configuration file in + /etc/breezed.conf. - ./install.sh + Only one is currently provided in the archive, and it corresponds + to the settings _I_ picked for _my_ Lenovo X61s. I have no idea if + these settings are safe on this laptop (I guess so, since I have + been using them for a few months now and it works perfectly), and I + suspect they are not safe for another laptop. If you want to give + it a try, just - and de-install it with + cp breezed_Lenovo_X61s.conf /etc/breezed.conf - ./remove.sh + Then, you can install the daemon simply with - You must have a configuration file in /etc/breezed.conf. Only one - is currently provided in the archive, and it corresponds to the - settings _I_ picked for _my_ Lenovo X61s. + make install - I have no idea if these settings are safe on this laptop (I guess - so, since I have been using them for a few months now and it works - perfectly), and I suspect they are not safe for another laptop. + and uninstall it with - * ALGORITHM + make uninstall - Breezed scans the temperatures every 5s and sets the fan speed - according to a series of thresholds. - - Unfortunately, if the fan speed is set directly according to these - temperature thresholds, it creates oscillations: The fan goes up, - temperature goes down, hence fan goes down, temperature goes up, - etc. - - To mitigate such phenomenons, the daemon waits at least 30s after - the last change before reducing the fan speed, and the actual - thresholds to decrease the fan speed are two degrees below the - provided thresholds, which are used when increasing the fan - speed. This creates a stability area of two degrees, which seems to - be enough. Please let me know if you have problem with the - resulting overall behavior. - - See the man page for details about the arguments and configuration - file. + See the man page for details about the algorithm, arguments and + configuration file. * NOTES - I wrote this daemon for my personal usage on a X61s, and using it - may damage your hardware. - On Thinkpads you have to allow the module thinkpad_acpi to set the fan speed, which is not allowed by default in Debian. To do so, you have to have a file /etc/modprobe.d/thinkpad_acpi.modprobe @@ -58,4 +41,4 @@ -- Francois Fleuret (francois@fleuret.org) -December 2008 +April 2009