[ltt-dev] LTTng on ARM target

[Mathieu Desnoyers]

Can you give :

- your kernel .config
- lsmod output ?

I think it's because ltt-control.ko is not loaded...

Mathieu


* madhav chauhan (madhav.singh.chauhan at gmail.com) wrote:
> Hi ,
> I am running LTTng on ARM target using the build root.When i am running the
> following command:
> 
>  # lttctl -l /mnt/debugfs/ltt/ -t /tmp/trace -n trace -m normal -d N 1
> 
> I am getting the error.Below is the log of error.Can anyone tell me how can
> i avoid it?I think its due to the buffer size mismatch.
> 
> 
> 
> *Linux Trace Toolkit Trace Control 0.38-10042007*
> 
> *Controlling trace : trace*
> 
> *MADDY: sizeof(req) = 560*
> 
> *MADDY: changing the header length filling method*
> 
> *MADDY: nlmsg_len = 560*
> 
> *MADDY: sizeof(lttctl_peer_msg_t)=544*
> 
> *Dumping from user space*
> 
> *Dumping nlh...*
> 
> *USP:nlh.nlmsg_len = 560*
> 
> *USP:nlh.nlmsg_flags = 5*
> 
> *USP:nlh.nlmsg_type = 17*
> 
> *USP:nlh.nlmsg_pid = 366*
> 
> *USP:nlh.nlmsg_seq = 0*
> 
> *USP:msg.trace_name = trace*
> 
> *USP:msg.trace_type = relay*
> 
> *USP:msg.op = 0*
> 
> *USP:msg.args.new_trace.mode = 0*
> 
> *USP:msg.args.new_trace.subbuf_size_low = 0*
> 
> *USP:msg.args.new_trace.n_subbufs_low = 0*
> 
> *USP:msg.args.new_trace.subbuf_size_med = 0*
> 
> *USP:msg.args.new_trace.n_subbufs_med = 0*
> 
> *USP:msg.args.new_trace.subbuf_size_high = 0*
> 
> *USP:msg.args.new_trace.n_subbufs_high = 0*
> 
> *Create Trace Error: Failed to send netlink message: Connection refused*
> 
> **
> 
> *Regards,*
> 
> *Maddy*
> 
> **

-- 
Mathieu Desnoyers
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