After FP1 both Merc drivers did the most laps - 31&32 - and seems that (at least) top teams had split their job between qualy and race, with BOT and VER working for the former and HAM & PER for the latter ...
BOT used 1 set of hard tyres and did 8+6 laps, then 8+9 laps on the soft tyre, focusing on the qualy pace more, total 31
HAM used 1 set of hard tyres and did 7+12 laps, then 13 laps on the soft tyre, focusing on the race pace, total 32
then,
VER used 1 set of hard tyres and did 7+9 laps, then 4+3 laps on the soft tyre, focusing on the qualy pace more, total 23
PER used 1 set of hard tyres and did 9 laps, then 13 laps on the soft tyre, focusing on the race pace, total 22