99c99
< virtual int cpuId() { return cpu->cpuId(); }
---
> virtual int cpuId() const { return cpu->cpuId(); }
101c101
< virtual int contextId() { return thread->contextId(); }
---
> virtual int contextId() const { return thread->contextId(); }
106c106
< virtual int threadId() { return thread->threadId(); }
---
> virtual int threadId() const { return thread->threadId(); }