#define DBG(fmt, args...) pb_log("DBG: " fmt, ## args)
#define DBGS(fmt, args...) \
pb_log("DBG:%s:%d: " fmt, __func__, __LINE__, ## args)
#define DBG(fmt, args...) pb_log("DBG: " fmt, ## args)
#define DBGS(fmt, args...) \
pb_log("DBG:%s:%d: " fmt, __func__, __LINE__, ## args)