minstret Machine Instructions Retired Counter Counts the number of instructions retired by this hart from some arbitrary start point in the past. Instructions that cause synchronous exceptions, including ecall and ebreak, are not considered to retire and hence do not increment the minstret CSR. Attributes Defining Extension Zicntr, version >= 0 CSR Address 0xb02 Length 64-bit Privilege Mode M Format Figure 1. minstret format Field Summary Name Location Type Reset Value COUNT 63:0 RW-H UNDEFINED_LEGAL Fields COUNT Location 63:0 Description Instructions retired counter. Increments every time an instruction retires unless: mcountinhibit.IR is set An instruction that causes an exception, notably including MRET/SRET, does not retire and does not cause minstret.COUNT to increment. Type RW-H Reset value UNDEFINED_LEGAL