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    SubjectRe: [RFC 1/2] kernel patch for dump user space stack tool
    On 04/17/2012 10:37 PM, Tu, Xiaobing wrote:
    > Resend the patch because of the log is too long on a single line.
    >
    > From: xiaobing tu<xiaobing.tu@intel.com>
    >
    > Here is the kernel patch for this tool, The idea is to output user space stack call-chain from
    > /proc/xxx/stack, currently, /proc/xxx/stack only output kernel stack call chain. We extend
    > it to output user space call chain in hex format
    >

    Can you teach me why we still need this as we have pstack?

    ~% pstack $$
    #0 0x00000036ae2365da in sigsuspend () from /lib64/libc.so.6
    #1 0x0000000000472c25 in signal_suspend ()
    #2 0x0000000000443323 in ?? ()
    #3 0x0000000000443be6 in waitjobs ()
    #4 0x000000000042b6d3 in ?? ()
    #5 0x000000000042c0bd in execlist ()
    #6 0x000000000042c64f in execode ()
    #7 0x000000000043cd32 in loop ()
    #8 0x000000000043fb36 in zsh_main ()
    #9 0x00000036ae22169d in __libc_start_main () from /lib64/libc.so.6
    #10 0x000000000040e571 in _start ()

    Thanks!


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