58c58
< class Timer
---
> class Timer : public Serializable
148,149c148,149
< void serialize(std::ostream &os);
< void unserialize(Checkpoint *cp, const std::string &section);
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
189,191c189,190
<
< virtual void serialize(std::ostream &os);
< virtual void unserialize(Checkpoint *cp, const std::string &section);
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;