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Tracing is done by means of kernel tracepoints, the ftrace infrastructure, and trace-cmd.

Installing trace-cmd

Install the udis86 and udis86-devel packages
download trace-cmd:

 $ git clone git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git trace-cmd
 $ cd trace-cmd

build and install:

 $ make && sudo make install

Tracing

 # trace-cmd record -b 20000 -e kvm

(trace-cmd will wait)

run your workload, then stop trace-cmd with ctrl-C. trace-cmd will write a trace.dat file.

Analyzing the trace

 trace-cmd report

will format and display the contents of the trace.