France's dominance paid off in the 34th minute as Giroud's shot deflected into the path of Mbappe, who made no mistake from point-blank range.
France's forward Kylian Mbappe (second right) celebrates his goal with teammates during their Russian Federation 2018 World Cup Group C match against Peru at the Ekaterinburg Arena in Ekaterinburg on June 21, 2018.
Peru, who lost to Denmark on Saturday, face being eliminated if they lose to France but forward Raul Ruidiaz is aware of what the World Cup means to his countrymen.
Spotting goalkeeper Hugo Lloris off his line, Yoshimar Yotun tried an audacious shot from just inside the French half that went just over the bar as Peru unsettled its opponents in the early stages.
Peru coach Gareca sent on Anderson Santamaria and Jefferson Farfan at the break, while Samuel Umtiti shook off a dead leg, before Aquino clipped the outside of the post with a swerving drive from 25 yards.
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Matuidi's work rate and intensity was also missing in the first game and his activity will be needed against a strong Peru midfield as well.
Guerrero had one of Peru's best chances in the 87th minute from a free kick, but his attempt went right at Lloris.
The Real Madrid star scored the only goal as Portugal beat Morocco 1-0 in their second World Cup game on Wednesday, putting his country in a strong position to qualify for the knockout stages of the competition.
66' Advincula strikes now, from the near corner of the 18 yard box. But against the other top contenders, Les Bleus will have to play like a team. France goalkeeper Hugo Lloris was one of three opposing captains, along with Australia's Mile Jedinak and Denmark's Simon Kjaer, who signed a letter to Federation Internationale de Football Association supporting the lifting of the ban.
- Kylian Mbappe has been directly involved in eight goals in his last nine games for France (4 goals, 4 assists).