[lttng-dev] [Solved] ust libc and fork wrapper question

[Matthew Khouzam]

Firefox uses its owm memory manager. After running tux-racer, it appears
all is well.


On 13-08-28 02:05 PM, Matthew Khouzam wrote:
> Hello tracing sages,
>
> I was trying out the libc wrapper in ust. It works very well but does
> not follow forks. (to be expected)
>
> So I copied "liblttng-ust-fork.so" into my .libs directory along with
> "liblttng-libc-wrapper.so".
>
> I then run
>
> $lttng create thing
> $lttng enable-channel chan --buffer-uid
> $lttng enable-event -a -u <for david>
> $lttng start
> $LD_PRELOAD="liblttng-ust-fork.so liblttng-libc-wrapper.so" firefox
> $lttng stop
> $lttng destroy
>
> Aaaaaaaaaaand my trace has no events!
>
> I am certain I am doing something wrong, any suggestions?
>
> Matthew
>
>
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