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<FONT COLOR="#FFFFFF" SIZE="5">Linux Trace Toolkit Reference Manual</FONT>
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<font size=6>
<u><b>5. Decoder (visualizer) command-line operation</b></u>
</font>
<p><b>NAME</b>
<p> tracevisualizer - The data analysis component of the
Linux Trace Toolkit (LTT)
<p><b>SYNOPSIS</b>
<p> tracevisualizer [ -g ] [ -d ] [ { -o | -t } EventTypes
] [ -c<u>CPU-ID</u> ] [ -p<u>PID</u> ] [ -s ] [ -a ] [ -f { t | s | l } ]
[ <u>TraceFile</u> <u>ProcFile</u> [ <u>OutFile</u> ]]
<p><b>DESCRIPTION</b>
<p> The tracevisualizer program is the data analysis component
of the Linux Trace Toolkit (LTT). It is used perform data interpretation
on the acquired data and display a graphical trace of it if specified.
Graphical display of the trace and other GUI tools requires that the toolkit
be compiled with the GTK+ library installed. See TraceToolkit/Help/index.html
for installation details.
<p> If the program is launched with no command-line arguments,
it automatically launches the GUI and waits for the user to specify files
to operate on. Otherwise, <u>TraceFile</u> is the file that was produced
by the LTT data acquisition component. <u>ProcFile</u> is the system description
file and is useful for process analysis calculations. <u>OutFile</u> is the
file to which the trace and analysis is written in text format.
<p><b>OPTIONS</b>
<p> <b>-g</b> Enter graphic mode.
<p><b> -o </b>Omit event types. Do
not include in the data analysis the event types listed in <u>EventTypes</u>,
which is a space-separated list of any of the following events:
<ul>
<ul>
<li>
"START" - Trace start</li>
<li>
"SYS_ENTRY" - System call entry</li>
<li>
"SYS_EXIT" - System call exit</li>
<li>
"TRAP_ENTRY" - Trap entry</li>
<li>
"TRAP_EXIT" - Trap exit</li>
<li>
"IRQ_ENTRY" - Interrupt entry </li>
<li>
"IRQ_EXIT" - Interrupt exit </li>
<li>
"SCHED" - Schedule change</li>
<li>
"KTIMER" - Kernel timer</li>
<li>
"SIRQ" - Soft IRQ management</li>
<li>
"PROCESS" - Process management</li>
<li>
"FS" - File system management</li>
<li>
"TIMER" - Timer management</li>
<li>
"MEM" - Memory management</li>
<li>
"SOCKET" - Socket communications</li>
<li>
"IPC" - System V IPC communications</li>
<li>
"NET" - Network device management</li>
</ul>
</ul>
If you've compile the trace decoder with RTAI support, then the following event types can be configured:
<ul>
<ul>
<li>
"RTMNT" - RTAI mount</li>
<li>
"RTUMNT" - RTAI unmount </li>
<li>
"RTGIRQE" - RTAI global IRQ entry</li>
<li>
"RTGIRQX" - RTAI global IRQ exit</li>
<li>
"RTOIRQE" - RTAI CPU own IRQ entry </li>
<li>
"RTOIRQX" - RTAI CPU own IRQ exit </li>
<li>
"RTTRAPE" - RTAI trap entry</li>
<li>
"RTTRAPX" - RTAI trap exit</li>
<li>
"RTSRQE" - RTAI SRQ entry</li>
<li>
"RTSRQX" - RTAI SRQ exit</li>
<li>
"RTSWTCHL" - RTAI switch to Linux</li>
<li>
"RTSWTCHR" - RTAI switch to RT</li>
<li>
"RTSCHED" - RTAI scheduling change</li>
<li>
"RTTASK" - RTAI task management</li>
<li>
"RTTIMER" - RTAI timer management</li>
<li>
"RTSEM" - RTAI semaphore communications</li>
<li>
"RTMSG" - RTAI message communications</li>
<li>
"RTRPC" - RTAI RPC communications</li>
<li>
"RTMBX" - RTAI message box communications</li>
<li>
"RTFIFO" - RTAI FIFO communications</li>
<li>
"RTSHM" - RTAI shared memory management</li>
<li>
"RTPOSIX" - RTAI Posix layer</li>
<li>
"RTLXRT" - RTAI LXRT layer</li>
<li>
"RTLXRTI" - RTAI LXRT-informed layer</li>
</ul>
</ul>
<p><br> <b>-t</b> Trace event types.
Only include in the data analysis the event types listed in <u>EventTypes</u>.
See <b>-o</b> option for details. Note that <b>-t</b> and <b>-o</b> are mutually
exclusive. Specifying both will result in an error.
<p> <b>-c</b> Trace CPU-ID. Only include
events that occurred on <u>CPU-ID</u> in data analysis.
<p> <b>-p</b> Trace PID. Only include
process number <u>PID</u> in data analysis.
<p> <b>-s</b> Summarize. Do not list
all acquired events in data analysis; only the result of the analysis. This has
to be used with <b>-a</b>. Otherwise, it has no effect.
<p> <b>-a</b> Analyze the trace and output
the results.
<p> <b>-ft</b> Forget time, Do not print
event times.
<p> <b>-fs</b> Forget string. Do not print
event descriptions.
<p> <b>-fl</b> Forget data entry length.
Do not print event data entry length.
<p> <b>-fp</b> Forget PID.
Do not print the PID of the process to which the event belongs.
<p> <b>-fc</b> Forget CPU-ID.
Do not print the CPU-ID of the CPU where the event occurred.
<p> <b>-d</b> Dump to file. Write out
data analysis to file <u>OutFile</u>. If no other option is specified, then
it is not necessary to use <b>-d</b> since it's the default behavior of tracevisualizer.
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