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    SubjectRe: [discuss] [PATCH] allow CONFIG_FRAME_POINTER for x86-64
    Philippe Elie a écrit :
    > On Fri, 09 Sep 2005 at 11:23 +0000, Andi Kleen wrote:
    >>Indeed. Someone must have fixed it. But why would anyone want frame pointers
    >>on x86-64?
    > Oprofile can use it, I though it was already used but apparently only
    > to backtrace userspace actually.
    Hi Pilippe

    Last time I tried oprofile with call graph on my opteron machine (linux-2.6.13
    SMP), the machine crashed instantly in dump_backtrace()

    Apparently the user program was in a state were 'struct frame_head * head' was
    not part of the user thread stack, but some strange value like

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      Last update: 2005-09-09 14:44    [W:0.020 / U:8.300 seconds]
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