diff options
| -rw-r--r-- | erts/emulator/beam/beam_load.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h index 5f0f34fcdd..43cf6597df 100644 --- a/erts/emulator/beam/beam_load.h +++ b/erts/emulator/beam/beam_load.h @@ -151,10 +151,16 @@ struct BeamCodeLineTab_ { #define LOC_FILE(Loc) ((Loc) >> 24) #define LOC_LINE(Loc) ((Loc) & ((1 << 24)-1)) -#ifdef DEBUG -# define ENABLE_DBG_TRACE_MFA -#endif +/* + * MFA event debug "tracing" usage: + * + * #define ENABLE_DBG_TRACE_MFA + * call dbg_set_traced_mfa("mymod","myfunc",arity) + * for the function(s) to trace, in some init function. + * + * Run and get stderr printouts when interesting things happen to your MFA. + */ #ifdef ENABLE_DBG_TRACE_MFA void dbg_set_traced_mfa(const char* m, const char* f, Uint a); |