Re: Help with user events

> Can you tell us more about the LTTng version you are using, which
> architecture ? I see that ltt-usertrace is 0.33, but I'll need the
rest
> of the info.

-Sure

I am running in x86 VmWare 6 Session (Ubuntu - Feisty Fawn) hosted on
Windows XP Platform (Core 2 Duo). 

Here is my version info: 

Kernel Build (Grabbed directly from kernel.org): 
     Linux cpane-vm-linux1 2.6.21.1 #5 SMP Fri Aug 24 11:48:52 EDT 2007
i686 GNU/Linux

Kernel Configuration (LTT specific stuff extracted out)
     #
     # Instrumentation Support
     #
     CONFIG_PROFILING=y
     CONFIG_OPROFILE=y
     CONFIG_KPROBES=y
     CONFIG_MARKERS=y
     CONFIG_MARKERS_ENABLE_OPTIMIZATION=y
     CONFIG_LTT=y
     CONFIG_LTT_TRACER=y
     CONFIG_LTT_RELAY=y
     CONFIG_LTT_SERIALIZE=y
     CONFIG_LTT_ALIGNMENT=y
     CONFIG_LTT_HEARTBEAT=y
     # CONFIG_LTT_HEARTBEAT_EVENT is not set
     # CONFIG_LTT_SYNTHETIC_TSC is not set
     CONFIG_LTT_TEST_TSC=y
     CONFIG_LTT_USERSPACE_GENERIC=y
     CONFIG_LTT_NETLINK_CONTROL=y
     CONFIG_LTT_STATEDUMP=y



lttng Info: 

ltt-control-0.43-10082007
LinuxTraceToolkitViewer-0.8.84-12082007
ltt-usertrace-0.33



Thanks

-Chris


> -----Original Message-----
> From: Mathieu Desnoyers [mailto:[email protected]]
> Sent: Wednesday, August 29, 2007 8:22 AM
> To: Pane, Chris
> Cc: [email protected]
> Subject: Re: [Ltt-dev] Help with user events
> 
> Can you tell us more about the LTTng version you are using, which
> architecture ? I see that ltt-usertrace is 0.33, but I'll need the
rest
> of the info.
> 
> Thanks,
> 
> Mathieu
> 
> * Pane, Chris ([email protected]) wrote:
> > OK - So I have things working great, I can run the lttv-gui program
> and
> > capture traces. Now I am trying to see how the user events mechanism
> > works. I am starting with the README file, which shows the 3
> techniques.
> > I figured I would start with the simplest one.
> >
> >
> >
> > Currently, I do a capture and don't see Any events. In the example
> here,
> > I see my dots "." Getting printed in the trace (lttv-gui), but no
> user
> > events which should be in-between the dots. I run the program below,
> and
> > don't get the expected LTT_SHOW_DEBUG defined output the README says
> > that I should see. I just get my dots 1 second apart.
> >
> >
> >
> > I build this file with the following:
> >
> >
> >
> > gcc  -D LTT_SHOW_DEBUG -I/usr/src/ltt-usertrace-0.33/ltt -L
> > /usr/src/ltt-usertrace-0.33 -lltt-loader-user_generic     -g main.c
-
> o
> > ./Debug/lttest
> >
> >
> >
> >
> >
> >
> >
> > Thanks !
> >
> >
> >
> > -Chris
> >
> >
> >
> >
> >
> >
> >
> > <Begin main.c listing>
> >
> >
> >
> > #define LTT_TRACE
> >
> > #define  LTT_BLOCKING 1
> >
> > /* #define LTT_SHOW_DEBUG 1*/                 NOTE: Tried defining
> this,
> > still don't see the run-time message saying it is defined
> >
> > #include <ltt/ltt-facility-user_generic.h>
> >
> > #include <ltt/ltt-facility-custom-user_generic.h>
> >
> > #include <stdio.h>
> >
> >
> >
> > main()
> >
> > {
> >
> >                 int count=0;
> >
> >                 while(1)
> >
> >                 {
> >
> >                                 printf(".\n");
> >
> >                                 trace_user_generic_slow_printf("in:
> %s
> > at: %s:%d: Counter value is: %u.",
> >
> >
> > __FILE__,__func__,__LINE__,count);
> >
> >                                 ++count;
> >
> >                                 sleep(1);
> >
> >                 }
> >
> > }
> >
> 
> > _______________________________________________
> > Ltt-dev mailing list
> > [email protected]
> > http://listserv.shafik.org/mailman/listinfo/ltt-dev
> 
> 
> --
> Mathieu Desnoyers
> Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE
> 9A68