p_hex
PRINT_ATTRn("{ bp_addr, config1 }", bp_addr, p_hex, false);
PRINT_ATTRn("{ bp_len, config2 }", bp_len, p_hex, false);
PRINT_ATTRf(sample_regs_user, p_hex);
PRINT_ATTRf(sample_regs_intr, p_hex);