* Stéphane ANCELOT ([email protected]) wrote: > Hi, > I have read the Documentation/trace/tracepoints.txt file. > > I modified my code to acknowledge it. > > I am again unable to list my tracepoints using lttng list . (I also > tried lttng enable-channel before...). > > So , only one step I have not made : > Is it mandatory to register the probe functions ???
Remember that the probe provider module .ko needs to be loaded manually (if it is a new one that is not listed in the sessiond automatically loaded module list). Please provide the complete diff of the modifications you did to lttng-modules so we can provide further help. Thanks, Mathieu > > > Regards, > S.Ancelot > > > > > On 17/05/2013 17:13, Jérémie Galarneau wrote: >> Hi Stéphane, >> >> We're going to need more details than that. Which kernel version are you >> using? >> Can you see the other kernel events in your trace? If not, can you >> show us how you are setting up your session? >> >> Thanks, >> Jérémie >> >> On Fri, May 17, 2013 at 10:58 AM, Stéphane ANCELOT <[email protected]> wrote: >>> Hi, >>> >>> I am trying to reimplement LTTNG 2. in xenomai api. >>> >>> the main problem is that I do not sea any of my new events available in >>> lttng 2. >>> >>> >>> my kernel compiles fine and here is what I done to set it up : >>> >>> file include/trace/events/pod.h : >>> >>> #undef TRACE_SYSTEM >>> #define TRACE_SYSTEM xenotrace >>> >>> #if !defined(_XENOTRACE_H) || defined(TRACE_HEADER_MULTI_READ) >>> >>> #define _XENOTRACE_H >>> >>> #include <linux/tracepoint.h> >>> >>> >>> TRACE_EVENT( xn_nucleus_thread_init, >>> TP_PROTO(struct xnthread *thread,char >>> *thread_name,xnflags_t >>> flags,const char *class,int prio), >>> TP_ARGS(thread,thread_name,flags,class,prio), >>> >>> TP_STRUCT__entry( >>> __field(struct xnthread *,thread) >>> __array(char ,thread_name, XNOBJECT_NAME_LEN ) >>> __field(xnflags_t,flags) >>> __array(char,class, XNOBJECT_NAME_LEN ) >>> __field(int, prio ) >>> ), >>> >>> TP_fast_assign( >>> __entry->thread = thread; >>> memcpy(__entry->thread_name,thread_name, XNOBJECT_NAME_LEN); >>> __entry->flags = flags; >>> memcpy(__entry->class,class, XNOBJECT_NAME_LEN); >>> __entry->prio = prio; >>> ), >>> >>> TP_printk("thread %p thread_name %s flags %lu class %s prio >>> %d", >>> __entry->thread, __entry->thread_name, >>> __entry->flags,__entry->class, >>> __entry->prio) >>> ); >>> >>> #endif >>> >>> /* This part must be outside protection */ >>> #include <trace/define_trace.h> >>> >>> >>> >>> in pod.h : >>> #define CREATE_TRACE_POINTS >>> #include <trace/events/pod.h> >>> >>> _______________________________________________ >>> lttng-dev mailing list >>> [email protected] >>> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev >> >> > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
