parse-events: Round usecs for output
parse-events: Round usecs for output

Testing the output of the kernel against the output of

 trace-cmd extract
 trace-cmd report

I found that the kernel rounds the usecs to the nearest usec
where as the report does not.

Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

bigzz/trace-cmd,bigzz/trace-cmd