Messages in this thread | | | Date | Mon, 20 Jan 2014 15:13:33 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [GIT PULL] x86/kaslr for v3.14 |
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On 01/20/2014 03:12 PM, Linus Torvalds wrote: > On Mon, Jan 20, 2014 at 2:54 PM, Linus Torvalds > <torvalds@linux-foundation.org> wrote: >> So I pulled this, but one question: > > .. oh, and since I decided to test it, and was looking for problems: > enabling kaslr breaks "perf". The *profile* looks fine, but the > disassembly doesn't work. > > I'm not entirely surprised. I decided I wanted to test it for a > reason, after all. So it's not unexpected, but perhaps people hadn't > thought about it, and clearly hadn't tested it. > > Kernel modules disassemble fine, so clearly perf knows about code that > moves around, but apparently it gets surprised when the core vmlinux > file disassembly doesn't match addresses. >
So this is presumably something that needs to be fixed in perf?
-hpa
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