processing

Applies To: Windows 8, Windows 8.1

Displays trace post-processing options.

xperf -i <trace file>… [-o output] [-symbols …] [-target {human|machine}] [-a action …[-a action …] …]

Parameters

-ooutput file**
The name of the output file. If not given, stdout is used.

-symbols[options]**
Enable and configure symbol decoding support. For more information see symbols.

-target{human|machine}**
Select the target audience of the output. The default value is "human".

-tle
Process the trace even in the presence of lost events. The acronym TLE stands for tolerate lost events.

-tti
Process the trace even in the presence of time inversions. The acronym TTI stands for tolerate time inversions.

-aaction ...**
The actions to take. The default action is to dump the event in text form.

The following table describes available actions.

Action	Description
boot	Shows boot and shutdown statistics.
bootprefetch	Shows boot-time prefetching information.
cpudisk	Shows CPU/disk activity report.
cswitch	Shows context switch data.
diskio	Shows disk I/O statistics.
diskidlehistogram	Shows all disk activity and idle times in histogram format.
dpcisr	Show DPC/ISR statistics.
drvdelay	Shows driver delays.
dumper	Dumps events in the trace in text form.
filename	Show file names in the trace.
focuschange	Shows the Windows® thread focus change events in the trace.
hardfault	Shows hard fault statistics by process and file.
heap	Shows heap information.
marks	Shows marks information.
pagefault	Shows page fault information in the trace.
perfctrs	Shows process performance counters.
pnp	Shows Plug and Play events in the trace.
prefetch	Shows prefetch information.
process	Shows process, thread, and image information.
profile	Shows sampled profiler data.
registry	Shows registry access statistics.
services	Shows service status information.
shutdown	Shows shutdown statistics.
spinlock	Shows information relevant to spinlock activity.
stack	Shows stack information.
suspend	Shows suspend transition information.
sysconfig	Shows system configuration information.
tracestats	Shows trace statistics.
winlogon	Shows Windows logon events in the trace.

If no action is present, dumper is invoked.

The following table shows examples of processing.

`xperf -i trace.etl -o out.csv`	Dumps the events in trace.etl to the Out.csv file.
`xperf -help registry`	Prints Help for the registry action.
`xperf -i trace.etl -a registry`	Prints registry access statistics to stdout.
`xperf -i trace32.etl trace64.etl -o out.csv`	Dumps the events in Trace32.etl and Trace64.etl to the Out.csv file.