[ltt-dev] simultaneous lttng kerner tracer and userspace tracer
Holger brunck
holger.brunck at keymile.com
Thu Jun 10 07:53:45 EDT 2010
Hi,
On 06/10/2010 01:50 PM, MEKEZE KWATCHO, PATRICK (PATRICK) wrote:
>
> Yes, I see well the kernel event and the testprogramm process when I analyze the trace1 get with $ lttctl -C -w /tmp/trace1 trace1
>
> I also think that is it possible to start a userspace trace without using the usttrace tool.
> When I run $usttrace ./testprogramm and $ lttctl -C -w /tmp/trace1 trace1, I saw on the lttv-gui all the kernel event, but i didn't see my userspace event.
> Among the process, both usttrace and testprogramm are present.
>
hm, is the ltt_userspace_event kernel module loaded?
Regards
Holger
More information about the lttng-dev
mailing list