Re: I can't use lttng correctly,anybody help me ?

Can you try to modprobe ltt-probe-core ?

* yuanbor ([email protected]) wrote:
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    my configure
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    >>I have configure my computer according to this:
> 
> 
> 
>    Linux Trace Toolkit Quickstart
>    ------------------------------
>    Author : Mathieu Desnoyers, September 2005
>    Last update : May 14, 2007
> 
>    >>I downloaded this versions of src:
> 
> 
> 
>    Linux-2.6.21
> 
>    lttng-0.9.5
> 
>    LinuxTraceToolkitViewer-0.8.82
> 
>    ltt-control-0.40
> 
> 
> 
>    >>my system has two [AMD Opteron(tm) Processor 242]
> 
> 
> 
>    >>but I met the following questions:
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    just ltt-control is OK
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    [root@localhost yuanbor]# /sbin/modprobe ltt-control
>    [root@localhost yuanbor]# lttctl -n trace -d -l /mnt/debugfs/ltt -t
>    /tmp/trace
>    Linux Trace Toolkit Trace Control 0.40-26042007
> 
>    Controlling trace : trace
> 
>    Linux Trace Toolkit Trace Daemon 0.40-26042007
> 
>    Reading from debugfs directory : /mnt/debugfs/ltt/trace
>    Writing to trace directory : /tmp/trace
> 
>    Creating supplementary trace files
>    Appending facility file stack_arch_x86_64.xml
>    Appending facility file fs.xml
>    Appending facility file kernel_arch_c2.xml
>    Appending facility file list.xml
>    Appending facility file kernel_arch_x86_64.xml
>    Appending facility file stack_arch_i386.xml
>    Appending facility file kernel_arch_i386.xml
>    Appending facility file kernel_arch_ppc.xml
>    Appending facility file core.xml
>    Appending facility file net.xml
>    Appending facility file mm.xml
>    Appending facility file xen.xml
>    Appending facility file compact.xml
>    Appending facility file user_generic.xml
>    Appending facility file locking.xml
>    Appending facility file kernel_arch_arm.xml
>    Appending facility file kernel_arch_mips.xml
>    Appending facility file kernel.xml
>    Appending facility file kernel_arch_powerpc.xml
>    [root@localhost yuanbor]# lttctl -n trace -R
>    Linux Trace Toolkit Trace Control 0.40-26042007
> 
>    Controlling trace : trace
> 
>    [root@localhost yuanbor]# lttv -m textDump -t /tmp/trace|head -n 20
>    Trace set contains 1 traces
> 
>    End trace set
> 
>    Traceset statistics:
> 
>    statistics summed: 1
>    mode_types:
>      MODE_UNKNOWN:
>        submodes:
>          UNKNOWN:
>            event_types:
>            events count: 0
>        events:
>        mode_types:
>          event_types:
>          events count: 0
>    event_types:
>    events count: 0
>      processes:
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    but ltt-control & ltt-probe-kernel is not right!
> 
>    ----------------------------------------------------------------------
>    ------------
> 
>    [root@localhost yuanbor]# /sbin/modprobe ltt-control
>    [root@localhost yuanbor]# /sbin/modprobe ltt-probe-kernel
>    [root@localhost yuanbor]# lttctl -n trace -d -l /mnt/debugfs/ltt -t
>    /tmp/trace2
>    Linux Trace Toolkit Trace Control 0.40-26042007
> 
>    Controlling trace : trace
> 
>    Linux Trace Toolkit Trace Daemon 0.40-26042007
> 
>    Reading from debugfs directory : /mnt/debugfs/ltt/trace
>    Writing to trace directory : /tmp/trace2
> 
>    Creating supplementary trace files
>    Appending facility file stack_arch_x86_64.xml
>    Appending facility file fs.xml
>    Appending facility file kernel_arch_c2.xml
>    Appending facility file list.xml
>    Appending facility file kernel_arch_x86_64.xml
>    Appending facility file stack_arch_i386.xml
>    Appending facility file kernel_arch_i386.xml
>    Appending facility file kernel_arch_ppc.xml
>    Appending facility file core.xml
>    Appending facility file net.xml
>    Appending facility file mm.xml
>    Appending facility file xen.xml
>    Appending facility file compact.xml
>    Appending facility file user_generic.xml
>    Appending facility file locking.xml
>    Appending facility file kernel_arch_arm.xml
>    Appending facility file kernel_arch_mips.xml
>    Appending facility file kernel.xml
>    Appending facility file kernel_arch_powerpc.xml
>    [root@localhost yuanbor]# lttctl -n trace -R
>    Linux Trace Toolkit Trace Control 0.40-26042007
> 
>    Controlling trace : trace
> 
> 
>    [root@localhost yuanbor]# lttv -m textDump -t /tmp/trace2|head -n 20
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /cpu
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /cpu
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /control/processes
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /control/processes
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /cpu
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /cpu
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /control/processes
> 
>    ** (process:2488): WARNING **: Unknown facility 211 (0xd3) in
>    tracefile /control/processes
> 
>    ** ERROR **: file event.c: line 86 (ltt_event_facility): assertion
>    failed: (facility->exists)
>    aborting...
>    Trace set contains 1 traces
> 
>    /usr/local/bin/lttv: line 15:  2488 Aborted                 $0.real $*

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-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68