Why # Free Pages More Than # Total Pages

[SamuelGong]

Hi TEEMon Team,

As shown in SGX dashboard, my EPC total pages are only 28.7k, however, running an SGX software gave me a peak # free pages as 31k, which caused my some confusion.

I think the range of EPC free pages should be [0, 28.7k], so how 31k possibly comes?

By the way, similar confusions also come from Allocated, EADD pages, EWB pages and ELDU pages, where I can spot a record (much) larger than 28.7k.

Is the y-axis really reflecting the number of pages? If yes, how should I interpret that?