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Re: [Qemu-devel] Improve QEMU performance with LLVM codegen and other te
Re: [Qemu-devel] Improve QEMU performance with LLVM codegen and other techniques
Thu, 1 Dec 2011 17:25:03 +0800
On Thu, Dec 01, 2011 at 12:15:06PM +0300, Max Filippov wrote:
> > 瓱isgenerated code might not be an issue now since we have tested our
> > framework
> > in LLVM-only mode. I think the problem still is about the link/unlink stuff.
> > The first problem I have while lowering the threshold is the broken one
> > generate
> > a few traces (2, actually) that a work one doesn't. When boot the linux
> > image
> > downloaded from the QEMU website, the system hangs on the booting process
> > (see
> > attach if you're interested). Simply put, the system hangs after printing
> There's no attachment in this mail. I can try to help you resolving it
> if you provide more information.
Sorry about that, see the attachment please. What kind of information you want
> > ?..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
> > which turns out should be function check_timer
> > (arch/i386/kernel/io_apic.c). I
> If it hangs inside QEMU itself then you may try to backport commit
> 4f61927a41a098d06e642ffdea5fc285dc3a0e6b that fixes
> infinite loop caused by hpet interrupt probing.
I don't understand. What "it hangs inside QEMU itself" supposed to mean?
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
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