Messages in this thread | | | Date | Sun, 28 Feb 2010 12:45:51 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [GIT PULL] x86/cpu changes for v2.6.34 |
| |
On Sun, 28 Feb 2010, Linus Torvalds wrote: > > I haven't bisected this, but something slowed down in bootup on my machine > recently.
Hmm. I take that back. It's not consistent, and it's not recent after all.
It comes and goes:
[torvalds@nehalem linux]$ grep "CPU 7 MCA" /var/log/messages-* /var/log/messages | cut -d: -f5- [ 0.898396] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898400] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 1.596240] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898394] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 1.600229] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898395] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.901211] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 2.633298] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898393] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.901210] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898395] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898393] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898393] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898402] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.901213] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898392] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898395] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 1.601467] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898401] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898395] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8 [ 0.898397] CPU 7 MCA banks SHD:2 SHD:3 SHD:5 SHD:6 SHD:8
note how it's pretty consistently at about the 0.89s mark, but then there's a _couple_ of times when it's taken rather longer to boot. But the delay is always in that CPU bringup phase, because doing the same grep for "CPU 0 MCA" gives consistently low numbers (0.0005s).
Linus
| |