Symbol: DTRACE_MSTATE_USTACKDEPTH
usr/src/uts/common/dtrace/dtrace.c
3303
if (!(mstate->dtms_present & DTRACE_MSTATE_USTACKDEPTH)) {
usr/src/uts/common/dtrace/dtrace.c
3316
mstate->dtms_present |= DTRACE_MSTATE_USTACKDEPTH;