[linux-2.6-block.git] / tools / perf / util / trace-event.h

#ifndef __PERF_TRACE_EVENTS_H
#define __PERF_TRACE_EVENTS_H

#include "parse-events.h"

#define __unused __attribute__((unused))


#ifndef PAGE_MASK
#define PAGE_MASK (page_size - 1)
#endif

enum {
	RINGBUF_TYPE_PADDING		= 29,
	RINGBUF_TYPE_TIME_EXTEND	= 30,
	RINGBUF_TYPE_TIME_STAMP		= 31,
};

#ifndef TS_SHIFT
#define TS_SHIFT		27
#endif

#define NSECS_PER_SEC		1000000000ULL
#define NSECS_PER_USEC		1000ULL

enum format_flags {
	FIELD_IS_ARRAY		= 1,
	FIELD_IS_POINTER	= 2,
	FIELD_IS_SIGNED		= 4,
	FIELD_IS_STRING		= 8,
	FIELD_IS_DYNAMIC	= 16,
};

struct format_field {
	struct format_field	*next;
	char			*type;
	char			*name;
	int			offset;
	int			size;
	unsigned long		flags;
};

struct format {
	int			nr_common;
	int			nr_fields;
	struct format_field	*common_fields;
	struct format_field	*fields;
};

struct print_arg_atom {
	char			*atom;
};

struct print_arg_string {
	char			*string;
	int			offset;
};

struct print_arg_field {
	char			*name;
	struct format_field	*field;
};

struct print_flag_sym {
	struct print_flag_sym	*next;
	char			*value;
	char			*str;
};

struct print_arg_typecast {
	char 			*type;
	struct print_arg	*item;
};

struct print_arg_flags {
	struct print_arg	*field;
	char			*delim;
	struct print_flag_sym	*flags;
};

struct print_arg_symbol {
	struct print_arg	*field;
	struct print_flag_sym	*symbols;
};

struct print_arg;

struct print_arg_op {
	char			*op;
	int			prio;
	struct print_arg	*left;
	struct print_arg	*right;
};

struct print_arg_func {
	char			*name;
	struct print_arg	*args;
};

enum print_arg_type {
	PRINT_NULL,
	PRINT_ATOM,
	PRINT_FIELD,
	PRINT_FLAGS,
	PRINT_SYMBOL,
	PRINT_TYPE,
	PRINT_STRING,
	PRINT_OP,
};

struct print_arg {
	struct print_arg		*next;
	enum print_arg_type		type;
	union {
		struct print_arg_atom		atom;
		struct print_arg_field		field;
		struct print_arg_typecast	typecast;
		struct print_arg_flags		flags;
		struct print_arg_symbol		symbol;
		struct print_arg_func		func;
		struct print_arg_string		string;
		struct print_arg_op		op;
	};
};

struct print_fmt {
	char			*format;
	struct print_arg	*args;
};

struct event {
	struct event		*next;
	char			*name;
	int			id;
	int			flags;
	struct format		format;
	struct print_fmt	print_fmt;
	char			*system;
};

enum {
	EVENT_FL_ISFTRACE	= 1,
	EVENT_FL_ISPRINT	= 2,
	EVENT_FL_ISBPRINT	= 4,
	EVENT_FL_ISFUNC		= 8,
	EVENT_FL_ISFUNCENT	= 16,
	EVENT_FL_ISFUNCRET	= 32,
};

struct record {
	unsigned long long ts;
	int size;
	void *data;
};

struct record *trace_peek_data(int cpu);
struct record *trace_read_data(int cpu);

void parse_set_info(int nr_cpus, int long_sz);

void trace_report(int fd);

void *malloc_or_die(unsigned int size);

void parse_cmdlines(char *file, int size);
void parse_proc_kallsyms(char *file, unsigned int size);
void parse_ftrace_printk(char *file, unsigned int size);

void print_funcs(void);
void print_printk(void);

int parse_ftrace_file(char *buf, unsigned long size);
int parse_event_file(char *buf, unsigned long size, char *sys);
void print_event(int cpu, void *data, int size, unsigned long long nsecs,
		  char *comm);

extern int file_bigendian;
extern int host_bigendian;

int bigendian(void);

static inline unsigned short __data2host2(unsigned short data)
{
	unsigned short swap;

	if (host_bigendian == file_bigendian)
		return data;

	swap = ((data & 0xffULL) << 8) |
		((data & (0xffULL << 8)) >> 8);

	return swap;
}

static inline unsigned int __data2host4(unsigned int data)
{
	unsigned int swap;

	if (host_bigendian == file_bigendian)
		return data;

	swap = ((data & 0xffULL) << 24) |
		((data & (0xffULL << 8)) << 8) |
		((data & (0xffULL << 16)) >> 8) |
		((data & (0xffULL << 24)) >> 24);

	return swap;
}

static inline unsigned long long __data2host8(unsigned long long data)
{
	unsigned long long swap;

	if (host_bigendian == file_bigendian)
		return data;

	swap = ((data & 0xffULL) << 56) |
		((data & (0xffULL << 8)) << 40) |
		((data & (0xffULL << 16)) << 24) |
		((data & (0xffULL << 24)) << 8) |
		((data & (0xffULL << 32)) >> 8) |
		((data & (0xffULL << 40)) >> 24) |
		((data & (0xffULL << 48)) >> 40) |
		((data & (0xffULL << 56)) >> 56);

	return swap;
}

#define data2host2(ptr)		__data2host2(*(unsigned short *)ptr)
#define data2host4(ptr)		__data2host4(*(unsigned int *)ptr)
#define data2host8(ptr)		__data2host8(*(unsigned long long *)ptr)

extern int header_page_ts_offset;
extern int header_page_ts_size;
extern int header_page_size_offset;
extern int header_page_size_size;
extern int header_page_data_offset;
extern int header_page_data_size;

int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
struct event *trace_find_event(int id);
unsigned long long
raw_field_value(struct event *event, const char *name, void *data);
void *raw_field_ptr(struct event *event, const char *name, void *data);

void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);

#endif /* __PERF_TRACE_EVENTS_H */
Commit	Line	Data
8b40f521 JK	1	#ifndef __PERF_TRACE_EVENTS_H
8b40f521 JK	2	#define __PERF_TRACE_EVENTS_H
52050943	3
1ef2ed10	4	#include "parse-events.h"
52050943 SR	5
	6	#define __unused __attribute__((unused))
	7
	8
	9	#ifndef PAGE_MASK
	10	#define PAGE_MASK (page_size - 1)
	11	#endif
	12
	13	enum {
	14	RINGBUF_TYPE_PADDING = 29,
	15	RINGBUF_TYPE_TIME_EXTEND = 30,
	16	RINGBUF_TYPE_TIME_STAMP = 31,
	17	};
	18
	19	#ifndef TS_SHIFT
	20	#define TS_SHIFT 27
	21	#endif
	22
	23	#define NSECS_PER_SEC 1000000000ULL
	24	#define NSECS_PER_USEC 1000ULL
	25
	26	enum format_flags {
	27	FIELD_IS_ARRAY = 1,
	28	FIELD_IS_POINTER = 2,
26a50744	29	FIELD_IS_SIGNED = 4,
064739bc TZ	30	FIELD_IS_STRING = 8,
064739bc TZ	31	FIELD_IS_DYNAMIC = 16,
52050943 SR	32	};
	33
	34	struct format_field {
	35	struct format_field *next;
	36	char *type;
	37	char *name;
	38	int offset;
	39	int size;
	40	unsigned long flags;
	41	};
	42
	43	struct format {
	44	int nr_common;
	45	int nr_fields;
	46	struct format_field *common_fields;
	47	struct format_field *fields;
	48	};
	49
	50	struct print_arg_atom {
	51	char *atom;
	52	};
	53
	54	struct print_arg_string {
	55	char *string;
561f732c	56	int offset;
52050943 SR	57	};
	58
	59	struct print_arg_field {
	60	char *name;
	61	struct format_field *field;
	62	};
	63
	64	struct print_flag_sym {
	65	struct print_flag_sym *next;
	66	char *value;
	67	char *str;
	68	};
	69
	70	struct print_arg_typecast {
	71	char *type;
	72	struct print_arg *item;
	73	};
	74
	75	struct print_arg_flags {
	76	struct print_arg *field;
	77	char *delim;
	78	struct print_flag_sym *flags;
	79	};
	80
	81	struct print_arg_symbol {
	82	struct print_arg *field;
	83	struct print_flag_sym *symbols;
	84	};
	85
	86	struct print_arg;
	87
	88	struct print_arg_op {
	89	char *op;
	90	int prio;
	91	struct print_arg *left;
	92	struct print_arg *right;
	93	};
	94
	95	struct print_arg_func {
	96	char *name;
	97	struct print_arg *args;
	98	};
	99
	100	enum print_arg_type {
	101	PRINT_NULL,
	102	PRINT_ATOM,
	103	PRINT_FIELD,
	104	PRINT_FLAGS,
	105	PRINT_SYMBOL,
	106	PRINT_TYPE,
	107	PRINT_STRING,
	108	PRINT_OP,
	109	};
	110
	111	struct print_arg {
	112	struct print_arg *next;
	113	enum print_arg_type type;
	114	union {
	115	struct print_arg_atom atom;
	116	struct print_arg_field field;
	117	struct print_arg_typecast typecast;
	118	struct print_arg_flags flags;
	119	struct print_arg_symbol symbol;
	120	struct print_arg_func func;
121	struct print_arg_string string;
122	struct print_arg_op op;
123	};
124	};
125
126	struct print_fmt {
127	char *format;
128	struct print_arg *args;
129	};
130
131	struct event {
132	struct event *next;
133	char *name;
134	int id;
135	int flags;
136	struct format format;
137	struct print_fmt print_fmt;
27746018	138	char *system;
52050943 SR	139	};
	140
	141	enum {
	142	EVENT_FL_ISFTRACE = 1,
	143	EVENT_FL_ISPRINT = 2,
	144	EVENT_FL_ISBPRINT = 4,
	145	EVENT_FL_ISFUNC = 8,
	146	EVENT_FL_ISFUNCENT = 16,
	147	EVENT_FL_ISFUNCRET = 32,
	148	};
	149
	150	struct record {
	151	unsigned long long ts;
	152	int size;
	153	void *data;
	154	};
	155
	156	struct record *trace_peek_data(int cpu);
	157	struct record *trace_read_data(int cpu);
	158
	159	void parse_set_info(int nr_cpus, int long_sz);
	160
03456a15	161	void trace_report(int fd);
52050943 SR	162
	163	void *malloc_or_die(unsigned int size);
	164
	165	void parse_cmdlines(char *file, int size);
	166	void parse_proc_kallsyms(char *file, unsigned int size);
	167	void parse_ftrace_printk(char *file, unsigned int size);
	168
	169	void print_funcs(void);
	170	void print_printk(void);
	171
	172	int parse_ftrace_file(char *buf, unsigned long size);
27746018	173	int parse_event_file(char buf, unsigned long size, char sys);
52050943 SR	174	void print_event(int cpu, void *data, int size, unsigned long long nsecs,
	175	char *comm);
	176
	177	extern int file_bigendian;
	178	extern int host_bigendian;
	179
	180	int bigendian(void);
	181
	182	static inline unsigned short __data2host2(unsigned short data)
	183	{
	184	unsigned short swap;
	185
	186	if (host_bigendian == file_bigendian)
	187	return data;
	188
	189	swap = ((data & 0xffULL) << 8) \|
	190	((data & (0xffULL << 8)) >> 8);
	191
	192	return swap;
	193	}
	194
	195	static inline unsigned int __data2host4(unsigned int data)
	196	{
	197	unsigned int swap;
	198
	199	if (host_bigendian == file_bigendian)
	200	return data;
	201
	202	swap = ((data & 0xffULL) << 24) \|
	203	((data & (0xffULL << 8)) << 8) \|
	204	((data & (0xffULL << 16)) >> 8) \|
	205	((data & (0xffULL << 24)) >> 24);
	206
	207	return swap;
	208	}
	209
	210	static inline unsigned long long __data2host8(unsigned long long data)
	211	{
	212	unsigned long long swap;
	213
	214	if (host_bigendian == file_bigendian)
	215	return data;
	216
	217	swap = ((data & 0xffULL) << 56) \|
	218	((data & (0xffULL << 8)) << 40) \|
	219	((data & (0xffULL << 16)) << 24) \|
	220	((data & (0xffULL << 24)) << 8) \|
	221	((data & (0xffULL << 32)) >> 8) \|
	222	((data & (0xffULL << 40)) >> 24) \|
	223	((data & (0xffULL << 48)) >> 40) \|
	224	((data & (0xffULL << 56)) >> 56);
	225
	226	return swap;
	227	}
	228
	229	#define data2host2(ptr) __data2host2((unsigned short )ptr)
	230	#define data2host4(ptr) __data2host4((unsigned int )ptr)
	231	#define data2host8(ptr) __data2host8((unsigned long long )ptr)
	232
	233	extern int header_page_ts_offset;
	234	extern int header_page_ts_size;
	235	extern int header_page_size_offset;
	236	extern int header_page_size_size;
	237	extern int header_page_data_offset;
238	extern int header_page_data_size;
239
240	int parse_header_page(char *buf, unsigned long size);
ec156764 IM	241	int trace_parse_common_type(void *data);
ec156764 IM	242	struct event *trace_find_event(int id);
46538818 FW	243	unsigned long long
	244	raw_field_value(struct event event, const char name, void *data);
	245	void raw_field_ptr(struct event event, const char name, void data);
52050943	246
03456a15	247	void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);
52050943	248
8b40f521	249	#endif /* __PERF_TRACE_EVENTS_H */