bootprefetch

This action collates and summarizes events that are relevant to boot when you use the On/Off Trace Capture tool.

bootprefetch [-summary | -events [-pattern [-type name]] [-range T1 T2] | disktime]

Options

-xml
Shows the output in XML format. This currently works only with -summary.

-summary
Shows the summary of boot prefetching.

-events
Dumps ReadyBoot events with earliness information.

-pattern
Used only in conjunction with -events. When dumping events, also dumps overlapping events.

-typename
Used only in conjunction with -pattern. Dumps only the specified type of events when dumping events in pattern view. name is one of the following values: "hit", "prefetch", "miss", "pend", or "write".

-rangeT1 T2
Used only in conjunction with -events. Process ReadyBoot events completed between times T1 and T2.

-disktime
Shows the disk time breakdown during boot prefetching.

Remarks

If no report type is selected, the default is to show the summary.

Related topics

Xperf Actions

Time and Timestamp Formats