[lttng-dev] syscall options

[Mathieu Desnoyers]

* tchak adim (montarcyber at gmail.com) wrote:
> Hi ,
> 
> i wanna display channel name (kernel,fs,status) and File name (for example
> :in the case of sys-open or sys-close) for differents syscall traces
> generated by Lttng2.0 .
> i didn't find any indication of what should i do to add these information .

The channel name is not relevant in lttng 2.0, because it is not
associated with the traced data semantic as is was in 0.x. It is rather
dynamically selected by the user on a per event basis.

The filenames for sys open are present by default when you enable
syscall tracing.

With babeltrace, the filenames for close are not present, because close
takes a file descriptor. This info can be regenerated by eclise lttng
plugin et lttv though.

Thanks,

Mathieu

> 
> 
> thanks in advance !

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-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com