rteval: Increase default buckets from 2000 to 3500

Increase the default buckets from 2000 to 3500

With commit 0292c8963611 we skip statistics reporting if we run out of
buckets. Increase the default number of buckets to make this less likely
to occur.

Signed-off-by: John Kacur <jkacur@redhat.com>
3 files changed