| 
 | inlinenoexcept | 
One-shot constructor to initialize all data members.
| id | The metrics identifier. | 
| total | The total number of objects observed by this metrics. | 
| current | The number of objects currently observed by this metrics. | 
| totalLifetime | The sum of the lifetime of each observed objects. | 
| failures | The number of failures observed. | 
| size | The size of the invocation. | 
| replySize | The size of the invocation reply. |