Re: Corrupted symbol names on lockstat

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Mon, Dec 15, 2014 at 3:38 PM, Ryota Ozaki <ozaki-r%netbsd.org@localhost> wrote:
> Hi,
>
> It seems ksyms (or something) is broken in a recent commit.
> lockstat shows corrupted caller names like the following
> output:
>
> ----
> $ sudo lockstat sleep 10
> Password:
> Elapsed time: 9.99 seconds.
>
> -- Adaptive mutex spin
>
> Total%  Count   Time/ms          Lock                       Caller
> ------ ------- --------- ---------------------- ------------------------------
>  95.76      35      0.22                              <all>
>  91.23      30      0.21                              +103
>   3.41       2      0.01                              +5f
>   1.12       3      0.00                              ?+71
>   4.24       2      0.01 fffffe827fba0f40       +1c
>
> -- Spin mutex spin
>
> Total%  Count   Time/ms          Lock                       Caller
> ------ ------- --------- ---------------------- ------------------------------
>  95.16      18      0.03 fffffe827f732640       <all>
>  92.41      17      0.02 fffffe827f732640       +95
>   2.76       1      0.00 fffffe827f732640       +6f
>   2.72       1      0.00 fffffe827f7355c0       +103
>   2.12       1      0.00 fffffe827f7359c0       +103
> ----
>
> I tested on a latest HEAD of -current kernel and userland
> (self-build) and recent releng binaries built at 201412141850Z.
> Both are amd64.

The releng binaries at 201412131840Z works so the criminal
is a commit between 201412131840Z and 201412141850Z :)

  ozaki-r