| lag | Anyone know of a recent change that results in my laptop idling at 400MHz with nothing working well? | 08:36 |
|---|---|---|
| nibbon_ | lag: is an intel laptop? | 09:12 |
| lag | nibbon_: It's a Dell laptop with 8-core: Intel(R) Xeon(R) CPU E3-1505M v5 @ 2.80GHz | 09:14 |
| nibbon_ | did you install the latest intel microcode? | 09:15 |
| apw | lag, nothing i have heard sounding like that. | 09:41 |
| lag | nibbon_: I haven't, but it's worth a shot I guess | 10:05 |
| lag | Idling like that must be saving a lot of power so powersave is doing the right thing I guess - but it's not practical for most applications | 10:05 |
| lag | apw: Okay, thanks | 10:05 |
| nibbon_ | lag: out of curiosity what kernel version do you have? | 10:06 |
| apw | i'd ping cking, but he isn't here. | 10:06 |
| lag | apw: I'll ping him on Facebook - he's always there :D | 10:07 |
| lag | nibbon_: Ubuntu 5.11.0-18-generic | 10:07 |
| lag | I hear db865272d9c4 ("cpufreq: Avoid configuring old governors as default with intel_pstate") might be the cause | 10:08 |
| apw | lag, can you file a bug for me, with that info in it ... | 10:17 |
| apw | lag, so we can track what h/w it is as well. | 10:18 |
| cking | @lag, the /proc/cpu info and H/W model would be most useful | 10:18 |
| apw | lag, also ... try -22 | 10:23 |
| lag | apw: -EINVAL? | 10:25 |
| apw | lag, heh yeah, that ... no 5.11.0-22 | 10:25 |
| apw | or indeed -23 is now in -proposed. | 10:25 |
| apw | and i know there was a heap of stable no all of the onces since -18 | 10:26 |
| lag | apw: Oh, ha! | 10:26 |
| lag | apw: I'll update in a sec | 10:26 |
| lag | Fingers crossed | 10:27 |
| === cking is now known as cking2 | ||
| === cking2 is now known as cking | ||
| === tjaalton_ is now known as tjaalton | ||
| kees | Hi! Say, why does the Ubuntu kernel not use the ORC unwinder? I just noticed CONFIG_FRAME_POINTER is enabled... | 23:12 |
| sarnold | 5-10% performance improvement? and all it costs is 4mb ram? | 23:14 |
| sarnold | my Wild Guess is that the frame pointers are enabled so bpfcc etc tooling can give traces | 23:17 |
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