checkup: Add fail logic

The checkup will now fail if the oslat Maximum latency measured exceeded
the oslatLatencyThreshold, and issue the appropriate failure reason.

Signed-off-by: Ram Lavi <ralavi@redhat.com>

pkg/internal/checkup/checkup.go

@@ -95,6 +95,10 @@ func (c *Checkup) Run(ctx context.Context, oslatLatencyThreshold time.Duration)
 		return err
 	}
 
+	if c.results.OslatMaxLatency > oslatLatencyThreshold {
+		return fmt.Errorf("oslat Max Latency measured %s exceeded the given threshold %s",
+			c.results.OslatMaxLatency.String(), oslatLatencyThreshold.String())
+	}
 	return nil
 }