Which Windows Performance Analysis tool captures user and kernel traces and can merge them to form a combined trace?

Trace capture, processing, and command-line analysis-a. incorrect: the performance analyzer tool (xperfview.exe) can display captured traces. it cannot capture images.b. incorrect: the on/off transition trace capture tool (xbootmgr.exe) collects information during the on/off transition phases of windows 7. it does not capture user and kernel traces, and it does not merge traces.c. correct: the trace capture, processing, and command-line analysis tool (xperf.exe) captures user and kernel traces and can merge them to form a combined trace.d. incorrect: visual trace analysis is another name for the performance analyzer tool (xperfview.exe). it displays captured images, but it does not capture images.