Hi Jesse, wow - that was fast! :-) Am 13.12.2011 22:23, schrieb Jesse Barnes: > On Tue, 13 Dec 2011 22:12:12 +0100 > Johannes Bauer <dfnsonfsduifb at gmx.de> wrote: >> And it's not even doing *anything*, the CPUs are all at almost 0% >> (therefore I don't think there's much heat coming from there). I'm not >> doing heavy graphics (not even light graphics, not even moving the mouse!). >> >> How can I measure the graphics card load? Would it improve anything if I >> compiled a kernel myself and switched to 3.1? Is there anything at all I >> can do? > > In the console, as root, can you: > > $ cat /sys/kernel/debug/dri/0/i915_cur_delayinfo | grep Lowest Okay: joelaptop [/sys/kernel/debug/dri]: cat /sys/kernel/debug/dri/0/i915_cur_delayinfo | grep Lowest Lowest (RPN) frequency: 650MHz > then echo that value into the max freq file, e.g.: > > $ echo 400 > /sys/kernel/debug/dri/0/i915_max_freq This doesn't work for joelaptop [/sys/kernel/debug/dri]: uname -a Linux joelaptop 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux Since i915_max_freq does not exist -- do I need to switch to a more recent kernel version? I also noted that dri/ has two subdirectories, 0 and 64. Does this mean anything? Best regards and thank you for your help, Joe
