Am 15.12.2013 23:54, schrieb Francis Giraldeau:
Le 2013-12-15 13:22, Klaus Dannecker a écrit :
Hello,
now its work!
i have download the new lttng-tools. (git pull)
the next problem:
with
sudo insmod
/lib/modules/3.8.0-29-generic/extra/addons/lttng-trace-events-sample.ko
and
lttng list -k
hurray! i see the new event!
Great!
now i start a lttng session and load the trace-events-sample.ko
(compiling the sample in the linux source code)
but i see not the event in the session. (looking in the eclipse viewer)
what i am doing wrong?
Could it be possible that the tracepoint is not called? To verify this,
I would recommend you to display the information in dmesg just before
the tracepoint:
if (printk_ratelimit())
printk("hello event!");
Then: dmesg -c
What does exactly the module is supposed to record?
I see the message "hello event!"
it does not matter if i start a lttng session or not. I see always the
message!
Regards,
Klaus
Cheers, Francis
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