1 files changed, 749 insertions, 255 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index ba4f33804af1..3ba566de821c 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -4565,43 +4565,93 @@ get_bprint_format(void *data, int size __maybe_unused,
 	return format;
 }
 
-static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
-			  struct tep_event *event, struct tep_print_arg *arg)
+static int print_mac_arg(struct trace_seq *s, const char *format,
+			 void *data, int size, struct tep_event *event,
+			 struct tep_print_arg *arg)
 {
-	unsigned char *buf;
 	const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x";
+	bool reverse = false;
+	unsigned char *buf;
+	int ret = 0;
 
 	if (arg->type == TEP_PRINT_FUNC) {
 		process_defined_func(s, data, size, event, arg);
-		return;
+		return 0;
 	}
 
 	if (arg->type != TEP_PRINT_FIELD) {
 		trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d",
 				 arg->type);
-		return;
+		return 0;
 	}
 
-	if (mac == 'm')
+	if (format[0] == 'm') {
 		fmt = "%.2x%.2x%.2x%.2x%.2x%.2x";
+	} else if (format[0] == 'M' && format[1] == 'F') {
+		fmt = "%.2x-%.2x-%.2x-%.2x-%.2x-%.2x";
+		ret++;
+	}
+	if (format[1] == 'R') {
+		reverse = true;
+		ret++;
+	}
+
 	if (!arg->field.field) {
 		arg->field.field =
 			tep_find_any_field(event, arg->field.name);
 		if (!arg->field.field) {
 			do_warning_event(event, "%s: field %s not found",
 					 __func__, arg->field.name);
-			return;
+			return ret;
 		}
 	}
 	if (arg->field.field->size != 6) {
 		trace_seq_printf(s, "INVALIDMAC");
-		return;
+		return ret;
 	}
+
 	buf = data + arg->field.field->offset;
-	trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+	if (reverse)
+		trace_seq_printf(s, fmt, buf[5], buf[4], buf[3], buf[2], buf[1], buf[0]);
+	else
+		trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+	return ret;
 }
 
-static void print_ip4_addr(struct trace_seq *s, char i, unsigned char *buf)
+static int parse_ip4_print_args(struct tep_handle *tep,
+				const char *ptr, bool *reverse)
+{
+	int ret = 0;
+
+	*reverse = false;
+
+	/* hnbl */
+	switch (*ptr) {
+	case 'h':
+		if (tep->file_bigendian)
+			*reverse = false;
+		else
+			*reverse = true;
+		ret++;
+		break;
+	case 'l':
+		*reverse = true;
+		ret++;
+		break;
+	case 'n':
+	case 'b':
+		ret++;
+		/* fall through */
+	default:
+		*reverse = false;
+		break;
+	}
+
+	return ret;
+}
+
+static void print_ip4_addr(struct trace_seq *s, char i, bool reverse, unsigned char *buf)
 {
 	const char *fmt;
 
@@ -4610,7 +4660,11 @@ static void print_ip4_addr(struct trace_seq *s, char i, unsigned char *buf)
 	else
 		fmt = "%d.%d.%d.%d";
 
-	trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3]);
+	if (reverse)
+		trace_seq_printf(s, fmt, buf[3], buf[2], buf[1], buf[0]);
+	else
+		trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3]);
+
 }
 
 static inline bool ipv6_addr_v4mapped(const struct in6_addr *a)
@@ -4693,7 +4747,7 @@ static void print_ip6c_addr(struct trace_seq *s, unsigned char *addr)
 	if (useIPv4) {
 		if (needcolon)
 			trace_seq_printf(s, ":");
-		print_ip4_addr(s, 'I', &in6.s6_addr[12]);
+		print_ip4_addr(s, 'I', false, &in6.s6_addr[12]);
 	}
 
 	return;
@@ -4722,16 +4776,20 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
 			  void *data, int size, struct tep_event *event,
 			  struct tep_print_arg *arg)
 {
+	bool reverse = false;
 	unsigned char *buf;
+	int ret;
+
+	ret = parse_ip4_print_args(event->tep, ptr, &reverse);
 
 	if (arg->type == TEP_PRINT_FUNC) {
 		process_defined_func(s, data, size, event, arg);
-		return 0;
+		return ret;
 	}
 
 	if (arg->type != TEP_PRINT_FIELD) {
 		trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
-		return 0;
+		return ret;
 	}
 
 	if (!arg->field.field) {
@@ -4740,7 +4798,7 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
 		if (!arg->field.field) {
 			do_warning("%s: field %s not found",
 				   __func__, arg->field.name);
-			return 0;
+			return ret;
 		}
 	}
 
@@ -4748,11 +4806,12 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
 
 	if (arg->field.field->size != 4) {
 		trace_seq_printf(s, "INVALIDIPv4");
-		return 0;
+		return ret;
 	}
-	print_ip4_addr(s, i, buf);
 
-	return 0;
+	print_ip4_addr(s, i, reverse, buf);
+	return ret;
+
 }
 
 static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i,
@@ -4812,7 +4871,9 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
 	char have_c = 0, have_p = 0;
 	unsigned char *buf;
 	struct sockaddr_storage *sa;
+	bool reverse = false;
 	int rc = 0;
+	int ret;
 
 	/* pISpc */
 	if (i == 'I') {
@@ -4827,6 +4888,9 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
 			rc++;
 		}
 	}
+	ret = parse_ip4_print_args(event->tep, ptr, &reverse);
+	ptr += ret;
+	rc += ret;
 
 	if (arg->type == TEP_PRINT_FUNC) {
 		process_defined_func(s, data, size, event, arg);
@@ -4858,7 +4922,7 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
 			return rc;
 		}
 
-		print_ip4_addr(s, i, (unsigned char *) &sa4->sin_addr);
+		print_ip4_addr(s, i, reverse, (unsigned char *) &sa4->sin_addr);
 		if (have_p)
 			trace_seq_printf(s, ":%d", ntohs(sa4->sin_port));
 
@@ -4892,25 +4956,20 @@ static int print_ip_arg(struct trace_seq *s, const char *ptr,
 			struct tep_print_arg *arg)
 {
 	char i = *ptr;  /* 'i' or 'I' */
-	char ver;
-	int rc = 0;
+	int rc = 1;
 
+	/* IP version */
 	ptr++;
-	rc++;
 
-	ver = *ptr;
-	ptr++;
-	rc++;
-
-	switch (ver) {
+	switch (*ptr) {
 	case '4':
-		rc += print_ipv4_arg(s, ptr, i, data, size, event, arg);
+		rc += print_ipv4_arg(s, ptr + 1, i, data, size, event, arg);
 		break;
 	case '6':
-		rc += print_ipv6_arg(s, ptr, i, data, size, event, arg);
+		rc += print_ipv6_arg(s, ptr + 1, i, data, size, event, arg);
 		break;
 	case 'S':
-		rc += print_ipsa_arg(s, ptr, i, data, size, event, arg);
+		rc += print_ipsa_arg(s, ptr + 1, i, data, size, event, arg);
 		break;
 	default:
 		return 0;
@@ -4919,6 +4978,133 @@ static int print_ip_arg(struct trace_seq *s, const char *ptr,
 	return rc;
 }
 
+static const int guid_index[16] = {3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15};
+static const int uuid_index[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+
+static int print_uuid_arg(struct trace_seq *s, const char *ptr,
+			void *data, int size, struct tep_event *event,
+			struct tep_print_arg *arg)
+{
+	const int *index = uuid_index;
+	char *format = "%02x";
+	int ret = 0;
+	char *buf;
+	int i;
+
+	switch (*(ptr + 1)) {
+	case 'L':
+		format = "%02X";
+		/* fall through */
+	case 'l':
+		index = guid_index;
+		ret++;
+		break;
+	case 'B':
+		format = "%02X";
+		/* fall through */
+	case 'b':
+		ret++;
+		break;
+	}
+
+	if (arg->type == TEP_PRINT_FUNC) {
+		process_defined_func(s, data, size, event, arg);
+		return ret;
+	}
+
+	if (arg->type != TEP_PRINT_FIELD) {
+		trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
+		return ret;
+	}
+
+	if (!arg->field.field) {
+		arg->field.field =
+			tep_find_any_field(event, arg->field.name);
+		if (!arg->field.field) {
+			do_warning("%s: field %s not found",
+				   __func__, arg->field.name);
+			return ret;
+		}
+	}
+
+	if (arg->field.field->size != 16) {
+		trace_seq_printf(s, "INVALIDUUID");
+		return ret;
+	}
+
+	buf = data + arg->field.field->offset;
+
+	for (i = 0; i < 16; i++) {
+		trace_seq_printf(s, format, buf[index[i]] & 0xff);
+		switch (i) {
+		case 3:
+		case 5:
+		case 7:
+		case 9:
+			trace_seq_printf(s, "-");
+			break;
+		}
+	}
+
+	return ret;
+}
+
+static int print_raw_buff_arg(struct trace_seq *s, const char *ptr,
+			      void *data, int size, struct tep_event *event,
+			      struct tep_print_arg *arg, int print_len)
+{
+	int plen = print_len;
+	char *delim = " ";
+	int ret = 0;
+	char *buf;
+	int i;
+	unsigned long offset;
+	int arr_len;
+
+	switch (*(ptr + 1)) {
+	case 'C':
+		delim = ":";
+		ret++;
+		break;
+	case 'D':
+		delim = "-";
+		ret++;
+		break;
+	case 'N':
+		delim = "";
+		ret++;
+		break;
+	}
+
+	if (arg->type == TEP_PRINT_FUNC) {
+		process_defined_func(s, data, size, event, arg);
+		return ret;
+	}
+
+	if (arg->type != TEP_PRINT_DYNAMIC_ARRAY) {
+		trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
+		return ret;
+	}
+
+	offset = tep_read_number(event->tep,
+				 data + arg->dynarray.field->offset,
+				 arg->dynarray.field->size);
+	arr_len = (unsigned long long)(offset >> 16);
+	buf = data + (offset & 0xffff);
+
+	if (arr_len < plen)
+		plen = arr_len;
+
+	if (plen < 1)
+		return ret;
+
+	trace_seq_printf(s, "%02x", buf[0] & 0xff);
+	for (i = 1; i < plen; i++)
+		trace_seq_printf(s, "%s%02x", delim, buf[i] & 0xff);
+
+	return ret;
+}
+
 static int is_printable_array(char *p, unsigned int len)
 {
 	unsigned int i;
@@ -5007,264 +5193,567 @@ void tep_print_fields(struct trace_seq *s, void *data,
 	}
 }
 
-static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event *event)
+static int print_function(struct trace_seq *s, const char *format,
+			  void *data, int size, struct tep_event *event,
+			  struct tep_print_arg *arg)
 {
-	struct tep_handle *tep = event->tep;
-	struct tep_print_fmt *print_fmt = &event->print_fmt;
-	struct tep_print_arg *arg = print_fmt->args;
-	struct tep_print_arg *args = NULL;
-	const char *ptr = print_fmt->format;
-	unsigned long long val;
 	struct func_map *func;
-	const char *saveptr;
-	struct trace_seq p;
-	char *bprint_fmt = NULL;
-	char format[32];
-	int show_func;
-	int len_as_arg;
-	int len_arg = 0;
-	int len;
-	int ls;
+	unsigned long long val;
 
-	if (event->flags & TEP_EVENT_FL_FAILED) {
-		trace_seq_printf(s, "[FAILED TO PARSE]");
-		tep_print_fields(s, data, size, event);
-		return;
+	val = eval_num_arg(data, size, event, arg);
+	func = find_func(event->tep, val);
+	if (func) {
+		trace_seq_puts(s, func->func);
+		if (*format == 'F' || *format == 'S')
+			trace_seq_printf(s, "+0x%llx", val - func->addr);
+	} else {
+		if (event->tep->long_size == 4)
+			trace_seq_printf(s, "0x%lx", (long)val);
+		else
+			trace_seq_printf(s, "0x%llx", (long long)val);
 	}
 
-	if (event->flags & TEP_EVENT_FL_ISBPRINT) {
-		bprint_fmt = get_bprint_format(data, size, event);
-		args = make_bprint_args(bprint_fmt, data, size, event);
-		arg = args;
-		ptr = bprint_fmt;
+	return 0;
+}
+
+static int print_arg_pointer(struct trace_seq *s, const char *format, int plen,
+			     void *data, int size,
+			     struct tep_event *event, struct tep_print_arg *arg)
+{
+	unsigned long long val;
+	int ret = 1;
+
+	if (arg->type == TEP_PRINT_BSTRING) {
+		trace_seq_puts(s, arg->string.string);
+		return 0;
+	}
+	while (*format) {
+		if (*format == 'p') {
+			format++;
+			break;
+		}
+		format++;
 	}
 
-	for (; *ptr; ptr++) {
-		ls = 0;
-		if (*ptr == '\\') {
-			ptr++;
-			switch (*ptr) {
+	switch (*format) {
+	case 'F':
+	case 'f':
+	case 'S':
+	case 's':
+		ret += print_function(s, format, data, size, event, arg);
+		break;
+	case 'M':
+	case 'm':
+		ret += print_mac_arg(s, format, data, size, event, arg);
+		break;
+	case 'I':
+	case 'i':
+		ret += print_ip_arg(s, format, data, size, event, arg);
+		break;
+	case 'U':
+		ret += print_uuid_arg(s, format, data, size, event, arg);
+		break;
+	case 'h':
+		ret += print_raw_buff_arg(s, format, data, size, event, arg, plen);
+		break;
+	default:
+		ret = 0;
+		val = eval_num_arg(data, size, event, arg);
+		trace_seq_printf(s, "%p", (void *)val);
+		break;
+	}
+
+	return ret;
+
+}
+
+static int print_arg_number(struct trace_seq *s, const char *format, int plen,
+			    void *data, int size, int ls,
+			    struct tep_event *event, struct tep_print_arg *arg)
+{
+	unsigned long long val;
+
+	val = eval_num_arg(data, size, event, arg);
+
+	switch (ls) {
+	case -2:
+		if (plen >= 0)
+			trace_seq_printf(s, format, plen, (char)val);
+		else
+			trace_seq_printf(s, format, (char)val);
+		break;
+	case -1:
+		if (plen >= 0)
+			trace_seq_printf(s, format, plen, (short)val);
+		else
+			trace_seq_printf(s, format, (short)val);
+		break;
+	case 0:
+		if (plen >= 0)
+			trace_seq_printf(s, format, plen, (int)val);
+		else
+			trace_seq_printf(s, format, (int)val);
+		break;
+	case 1:
+		if (plen >= 0)
+			trace_seq_printf(s, format, plen, (long)val);
+		else
+			trace_seq_printf(s, format, (long)val);
+		break;
+	case 2:
+		if (plen >= 0)
+			trace_seq_printf(s, format, plen, (long long)val);
+		else
+			trace_seq_printf(s, format, (long long)val);
+		break;
+	default:
+		do_warning_event(event, "bad count (%d)", ls);
+		event->flags |= TEP_EVENT_FL_FAILED;
+	}
+	return 0;
+}
+
+
+static void print_arg_string(struct trace_seq *s, const char *format, int plen,
+			     void *data, int size,
+			     struct tep_event *event, struct tep_print_arg *arg)
+{
+	struct trace_seq p;
+
+	/* Use helper trace_seq */
+	trace_seq_init(&p);
+	print_str_arg(&p, data, size, event,
+		      format, plen, arg);
+	trace_seq_terminate(&p);
+	trace_seq_puts(s, p.buffer);
+	trace_seq_destroy(&p);
+}
+
+static int parse_arg_format_pointer(const char *format)
+{
+	int ret = 0;
+	int index;
+	int loop;
+
+	switch (*format) {
+	case 'F':
+	case 'S':
+	case 'f':
+	case 's':
+		ret++;
+		break;
+	case 'M':
+	case 'm':
+		/* [mM]R , [mM]F */
+		switch (format[1]) {
+		case 'R':
+		case 'F':
+			ret++;
+			break;
+		}
+		ret++;
+		break;
+	case 'I':
+	case 'i':
+		index = 2;
+		loop = 1;
+		switch (format[1]) {
+		case 'S':
+			/*[S][pfs]*/
+			while (loop) {
+				switch (format[index]) {
+				case 'p':
+				case 'f':
+				case 's':
+					ret++;
+					index++;
+					break;
+				default:
+					loop = 0;
+					break;
+				}
+			}
+			/* fall through */
+		case '4':
+			/* [4S][hnbl] */
+			switch (format[index]) {
+			case 'h':
 			case 'n':
-				trace_seq_putc(s, '\n');
-				break;
-			case 't':
-				trace_seq_putc(s, '\t');
-				break;
-			case 'r':
-				trace_seq_putc(s, '\r');
-				break;
-			case '\\':
-				trace_seq_putc(s, '\\');
+			case 'l':
+			case 'b':
+				ret++;
+				index++;
 				break;
-			default:
-				trace_seq_putc(s, *ptr);
+			}
+			if (format[1] == '4') {
+				ret++;
 				break;
 			}
+			/* fall through */
+		case '6':
+			/* [6S]c */
+			if (format[index] == 'c')
+				ret++;
+			ret++;
+			break;
+		}
+		ret++;
+		break;
+	case 'U':
+		switch (format[1]) {
+		case 'L':
+		case 'l':
+		case 'B':
+		case 'b':
+			ret++;
+			break;
+		}
+		ret++;
+		break;
+	case 'h':
+		switch (format[1]) {
+		case 'C':
+		case 'D':
+		case 'N':
+			ret++;
+			break;
+		}
+		ret++;
+		break;
+	default:
+		break;
+	}
 
-		} else if (*ptr == '%') {
-			saveptr = ptr;
-			show_func = 0;
-			len_as_arg = 0;
- cont_process:
-			ptr++;
-			switch (*ptr) {
-			case '%':
-				trace_seq_putc(s, '%');
-				break;
-			case '#':
-				/* FIXME: need to handle properly */
-				goto cont_process;
-			case 'h':
-				ls--;
-				goto cont_process;
-			case 'l':
-				ls++;
-				goto cont_process;
-			case 'L':
-				ls = 2;
-				goto cont_process;
-			case '*':
-				/* The argument is the length. */
-				if (!arg) {
-					do_warning_event(event, "no argument match");
-					event->flags |= TEP_EVENT_FL_FAILED;
-					goto out_failed;
-				}
-				len_arg = eval_num_arg(data, size, event, arg);
-				len_as_arg = 1;
-				arg = arg->next;
-				goto cont_process;
-			case '.':
-			case 'z':
-			case 'Z':
-			case '0' ... '9':
-			case '-':
-				goto cont_process;
-			case 'p':
-				if (tep->long_size == 4)
-					ls = 1;
-				else
-					ls = 2;
+	return ret;
+}
 
-				if (isalnum(ptr[1]))
-					ptr++;
+static void free_parse_args(struct tep_print_parse *arg)
+{
+	struct tep_print_parse *del;
 
-				if (arg->type == TEP_PRINT_BSTRING) {
-					trace_seq_puts(s, arg->string.string);
-					arg = arg->next;
-					break;
-				}
+	while (arg) {
+		del = arg;
+		arg = del->next;
+		free(del->format);
+		free(del);
+	}
+}
 
-				if (*ptr == 'F' || *ptr == 'f' ||
-				    *ptr == 'S' || *ptr == 's') {
-					show_func = *ptr;
-				} else if (*ptr == 'M' || *ptr == 'm') {
-					print_mac_arg(s, *ptr, data, size, event, arg);
-					arg = arg->next;
-					break;
-				} else if (*ptr == 'I' || *ptr == 'i') {
-					int n;
+static int parse_arg_add(struct tep_print_parse **parse, char *format,
+			 enum tep_print_parse_type type,
+			 struct tep_print_arg *arg,
+			 struct tep_print_arg *len_as_arg,
+			 int ls)
+{
+	struct tep_print_parse *parg = NULL;
 
-					n = print_ip_arg(s, ptr, data, size, event, arg);
-					if (n > 0) {
-						ptr += n - 1;
-						arg = arg->next;
-						break;
-					}
-				}
+	parg = calloc(1, sizeof(*parg));
+	if (!parg)
+		goto error;
+	parg->format = strdup(format);
+	if (!parg->format)
+		goto error;
+	parg->type = type;
+	parg->arg = arg;
+	parg->len_as_arg = len_as_arg;
+	parg->ls = ls;
+	*parse = parg;
+	return 0;
+error:
+	if (parg) {
+		free(parg->format);
+		free(parg);
+	}
+	return -1;
+}
 
-				/* fall through */
-			case 'd':
-			case 'u':
-			case 'i':
-			case 'x':
-			case 'X':
-			case 'o':
-				if (!arg) {
-					do_warning_event(event, "no argument match");
-					event->flags |= TEP_EVENT_FL_FAILED;
-					goto out_failed;
-				}
+static int parse_arg_format(struct tep_print_parse **parse,
+			    struct tep_event *event,
+			    const char *format, struct tep_print_arg **arg)
+{
+	struct tep_print_arg *len_arg = NULL;
+	char print_format[32];
+	const char *start = format;
+	int ret = 0;
+	int ls = 0;
+	int res;
+	int len;
 
-				len = ((unsigned long)ptr + 1) -
-					(unsigned long)saveptr;
+	format++;
+	ret++;
+	for (; *format; format++) {
+		switch (*format) {
+		case '#':
+			/* FIXME: need to handle properly */
+			break;
+		case 'h':
+			ls--;
+			break;
+		case 'l':
+			ls++;
+			break;
+		case 'L':
+			ls = 2;
+			break;
+		case '.':
+		case 'z':
+		case 'Z':
+		case '0' ... '9':
+		case '-':
+			break;
+		case '*':
+			/* The argument is the length. */
+			if (!*arg) {
+				do_warning_event(event, "no argument match");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				goto out_failed;
+			}
+			if (len_arg) {
+				do_warning_event(event, "argument already matched");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				goto out_failed;
+			}
+			len_arg = *arg;
+			*arg = (*arg)->next;
+			break;
+		case 'p':
+			if (!*arg) {
+				do_warning_event(event, "no argument match");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				goto out_failed;
+			}
+			res = parse_arg_format_pointer(format + 1);
+			if (res > 0) {
+				format += res;
+				ret += res;
+			}
+			len = ((unsigned long)format + 1) -
+				(unsigned long)start;
+			/* should never happen */
+			if (len > 31) {
+				do_warning_event(event, "bad format!");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				len = 31;
+			}
+			memcpy(print_format, start, len);
+			print_format[len] = 0;
 
-				/* should never happen */
-				if (len > 31) {
-					do_warning_event(event, "bad format!");
-					event->flags |= TEP_EVENT_FL_FAILED;
-					len = 31;
-				}
+			parse_arg_add(parse, print_format,
+				      PRINT_FMT_ARG_POINTER, *arg, len_arg, ls);
+			*arg = (*arg)->next;
+			ret++;
+			return ret;
+		case 'd':
+		case 'u':
+		case 'i':
+		case 'x':
+		case 'X':
+		case 'o':
+			if (!*arg) {
+				do_warning_event(event, "no argument match");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				goto out_failed;
+			}
 
-				memcpy(format, saveptr, len);
-				format[len] = 0;
+			len = ((unsigned long)format + 1) -
+				(unsigned long)start;
 
-				val = eval_num_arg(data, size, event, arg);
-				arg = arg->next;
+			/* should never happen */
+			if (len > 30) {
+				do_warning_event(event, "bad format!");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				len = 31;
+			}
+			memcpy(print_format, start, len);
+			print_format[len] = 0;
 
-				if (show_func) {
-					func = find_func(tep, val);
-					if (func) {
-						trace_seq_puts(s, func->func);
-						if (show_func == 'F')
-							trace_seq_printf(s,
-							       "+0x%llx",
-							       val - func->addr);
-						break;
-					}
-				}
-				if (tep->long_size == 8 && ls == 1 &&
-				    sizeof(long) != 8) {
-					char *p;
-
-					/* make %l into %ll */
-					if (ls == 1 && (p = strchr(format, 'l')))
-						memmove(p+1, p, strlen(p)+1);
-					else if (strcmp(format, "%p") == 0)
-						strcpy(format, "0x%llx");
-					ls = 2;
-				}
-				switch (ls) {
-				case -2:
-					if (len_as_arg)
-						trace_seq_printf(s, format, len_arg, (char)val);
-					else
-						trace_seq_printf(s, format, (char)val);
-					break;
-				case -1:
-					if (len_as_arg)
-						trace_seq_printf(s, format, len_arg, (short)val);
-					else
-						trace_seq_printf(s, format, (short)val);
-					break;
-				case 0:
-					if (len_as_arg)
-						trace_seq_printf(s, format, len_arg, (int)val);
-					else
-						trace_seq_printf(s, format, (int)val);
-					break;
-				case 1:
-					if (len_as_arg)
-						trace_seq_printf(s, format, len_arg, (long)val);
-					else
-						trace_seq_printf(s, format, (long)val);
-					break;
-				case 2:
-					if (len_as_arg)
-						trace_seq_printf(s, format, len_arg,
-								 (long long)val);
-					else
-						trace_seq_printf(s, format, (long long)val);
-					break;
-				default:
-					do_warning_event(event, "bad count (%d)", ls);
-					event->flags |= TEP_EVENT_FL_FAILED;
-				}
-				break;
-			case 's':
-				if (!arg) {
-					do_warning_event(event, "no matching argument");
-					event->flags |= TEP_EVENT_FL_FAILED;
-					goto out_failed;
-				}
+			if (event->tep->long_size == 8 && ls == 1 &&
+			    sizeof(long) != 8) {
+				char *p;
+
+				/* make %l into %ll */
+				if (ls == 1 && (p = strchr(print_format, 'l')))
+					memmove(p+1, p, strlen(p)+1);
+				ls = 2;
+			}
+			if (ls < -2 || ls > 2) {
+				do_warning_event(event, "bad count (%d)", ls);
+				event->flags |= TEP_EVENT_FL_FAILED;
+			}
+			parse_arg_add(parse, print_format,
+				      PRINT_FMT_ARG_DIGIT, *arg, len_arg, ls);
+			*arg = (*arg)->next;
+			ret++;
+			return ret;
+		case 's':
+			if (!*arg) {
+				do_warning_event(event, "no matching argument");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				goto out_failed;
+			}
 
-				len = ((unsigned long)ptr + 1) -
-					(unsigned long)saveptr;
+			len = ((unsigned long)format + 1) -
+				(unsigned long)start;
 
-				/* should never happen */
-				if (len > 31) {
-					do_warning_event(event, "bad format!");
-					event->flags |= TEP_EVENT_FL_FAILED;
-					len = 31;
-				}
+			/* should never happen */
+			if (len > 31) {
+				do_warning_event(event, "bad format!");
+				event->flags |= TEP_EVENT_FL_FAILED;
+				len = 31;
+			}
+
+			memcpy(print_format, start, len);
+			print_format[len] = 0;
+
+			parse_arg_add(parse, print_format,
+					PRINT_FMT_ARG_STRING, *arg, len_arg, 0);
+			*arg = (*arg)->next;
+			ret++;
+			return ret;
+		default:
+			snprintf(print_format, 32, ">%c<", *format);
+			parse_arg_add(parse, print_format,
+					PRINT_FMT_STRING, NULL, NULL, 0);
+			ret++;
+			return ret;
+		}
+		ret++;
+	}
+
+out_failed:
+	return ret;
 
-				memcpy(format, saveptr, len);
-				format[len] = 0;
-				if (!len_as_arg)
-					len_arg = -1;
-				/* Use helper trace_seq */
-				trace_seq_init(&p);
-				print_str_arg(&p, data, size, event,
-					      format, len_arg, arg);
-				trace_seq_terminate(&p);
-				trace_seq_puts(s, p.buffer);
-				trace_seq_destroy(&p);
-				arg = arg->next;
+}
+
+static int parse_arg_string(struct tep_print_parse **parse, const char *format)
+{
+	struct trace_seq s;
+	int ret = 0;
+
+	trace_seq_init(&s);
+	for (; *format; format++) {
+		if (*format == '\\') {
+			format++;
+			ret++;
+			switch (*format) {
+			case 'n':
+				trace_seq_putc(&s, '\n');
+				break;
+			case 't':
+				trace_seq_putc(&s, '\t');
+				break;
+			case 'r':
+				trace_seq_putc(&s, '\r');
+				break;
+			case '\\':
+				trace_seq_putc(&s, '\\');
 				break;
 			default:
-				trace_seq_printf(s, ">%c<", *ptr);
-
+				trace_seq_putc(&s, *format);
+				break;
 			}
+		} else if (*format == '%') {
+			if (*(format + 1) == '%') {
+				trace_seq_putc(&s, '%');
+				format++;
+				ret++;
+			} else
+				break;
 		} else
-			trace_seq_putc(s, *ptr);
+			trace_seq_putc(&s, *format);
+
+		ret++;
+	}
+	trace_seq_terminate(&s);
+	parse_arg_add(parse, s.buffer, PRINT_FMT_STRING, NULL, NULL, 0);
+	trace_seq_destroy(&s);
+
+	return ret;
+}
+
+static struct tep_print_parse *
+parse_args(struct tep_event *event, const char *format, struct tep_print_arg *arg)
+{
+	struct tep_print_parse *parse_ret = NULL;
+	struct tep_print_parse **parse = NULL;
+	int ret;
+	int len;
+
+	len = strlen(format);
+	while (*format) {
+		if (!parse_ret)
+			parse = &parse_ret;
+		if (*format == '%' && *(format + 1) != '%')
+			ret = parse_arg_format(parse, event, format, &arg);
+		else
+			ret = parse_arg_string(parse, format);
+		if (*parse)
+			parse = &((*parse)->next);
+
+		len -= ret;
+		if (len > 0)
+			format += ret;
+		else
+			break;
+	}
+	return parse_ret;
+}
+
+static void print_event_cache(struct tep_print_parse *parse, struct trace_seq *s,
+			      void *data, int size, struct tep_event *event)
+{
+	int len_arg;
+
+	while (parse) {
+		if (parse->len_as_arg)
+			len_arg = eval_num_arg(data, size, event, parse->len_as_arg);
+		switch (parse->type) {
+		case PRINT_FMT_ARG_DIGIT:
+			print_arg_number(s, parse->format,
+					parse->len_as_arg ? len_arg : -1, data,
+					 size, parse->ls, event, parse->arg);
+			break;
+		case PRINT_FMT_ARG_POINTER:
+			print_arg_pointer(s, parse->format,
+					  parse->len_as_arg ? len_arg : 1,
+					  data, size, event, parse->arg);
+			break;
+		case PRINT_FMT_ARG_STRING:
+			print_arg_string(s, parse->format,
+					 parse->len_as_arg ? len_arg : -1,
+					 data, size, event, parse->arg);
+			break;
+		case PRINT_FMT_STRING:
+		default:
+			trace_seq_printf(s, "%s", parse->format);
+			break;
+		}
+		parse = parse->next;
 	}
+}
+
+static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event *event)
+{
+	struct tep_print_parse *parse = event->print_fmt.print_cache;
+	struct tep_print_arg *args = NULL;
+	char *bprint_fmt = NULL;
 
 	if (event->flags & TEP_EVENT_FL_FAILED) {
-out_failed:
 		trace_seq_printf(s, "[FAILED TO PARSE]");
+		tep_print_fields(s, data, size, event);
+		return;
 	}
 
-	if (args) {
+	if (event->flags & TEP_EVENT_FL_ISBPRINT) {
+		bprint_fmt = get_bprint_format(data, size, event);
+		args = make_bprint_args(bprint_fmt, data, size, event);
+		parse = parse_args(event, bprint_fmt, args);
+	}
+
+	print_event_cache(parse, s, data, size, event);
+
+	if (event->flags & TEP_EVENT_FL_ISBPRINT) {
+		free_parse_args(parse);
 		free_args(args);
 		free(bprint_fmt);
 	}
@@ -6363,9 +6852,13 @@ enum tep_errno __tep_parse_format(struct tep_event **eventp,
 			*list = arg;
 			list = &arg->next;
 		}
-		return 0;
 	}
 
+	if (!(event->flags & TEP_EVENT_FL_ISBPRINT))
+		event->print_fmt.print_cache = parse_args(event,
+							  event->print_fmt.format,
+							  event->print_fmt.args);
+
 	return 0;
 
  event_parse_failed:
@@ -7032,7 +7525,7 @@ void tep_free_event(struct tep_event *event)
 
 	free(event->print_fmt.format);
 	free_args(event->print_fmt.args);
-
+	free_parse_args(event->print_fmt.print_cache);
 	free(event);
 }
 
@@ -7120,6 +7613,7 @@ void tep_free(struct tep_handle *tep)
 	free(tep->events);
 	free(tep->sort_events);
 	free(tep->func_resolver);
+	tep_free_plugin_paths(tep);
 
 	free(tep);
 }