trace-cmd: Invalidate peek cached record if timestamp does not match
trace-cmd: Invalidate peek cached record if timestamp does not match

If the recorded timestamp of the cpu cached record does not match
the timestamp stored in the cpu_data, that means the record is
no longer valid. Free it and read a new record.

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

bigzz/trace-cmd,bigzz/trace-cmd