[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,
	FIELD_IS_FLAG		= 32,
	FIELD_IS_SYMBOLIC	= 64,
};

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	= 0x01,
	EVENT_FL_ISPRINT	= 0x02,
	EVENT_FL_ISBPRINT	= 0x04,
	EVENT_FL_ISFUNC		= 0x08,
	EVENT_FL_ISFUNCENT	= 0x10,
	EVENT_FL_ISFUNCRET	= 0x20,

	EVENT_FL_FAILED		= 0x80000000
};

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;

extern int latency_format;

int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
int trace_parse_common_pid(void *data);
int parse_common_pc(void *data);
int parse_common_flags(void *data);
int parse_common_lock_depth(void *data);
struct event *trace_find_event(int id);
struct event *trace_find_next_event(struct event *event);
unsigned long long read_size(void *ptr, int size);
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);
unsigned long long eval_flag(const char *flag);

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

/* taken from kernel/trace/trace.h */
enum trace_flag_type {
	TRACE_FLAG_IRQS_OFF		= 0x01,
	TRACE_FLAG_IRQS_NOSUPPORT	= 0x02,
	TRACE_FLAG_NEED_RESCHED		= 0x04,
	TRACE_FLAG_HARDIRQ		= 0x08,
	TRACE_FLAG_SOFTIRQ		= 0x10,
};

struct scripting_ops {
	const char *name;
	int (*start_script) (const char *script, int argc, const char **argv);
	int (*stop_script) (void);
	void (*process_event) (int cpu, void *data, int size,
			       unsigned long long nsecs, char *comm);
	int (*generate_script) (const char *outfile);
};

int script_spec_register(const char *spec, struct scripting_ops *ops);

extern struct scripting_ops perl_scripting_ops;
void setup_perl_scripting(void);

#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,
eb9a42ca TZ	32	FIELD_IS_FLAG = 32,
eb9a42ca TZ	33	FIELD_IS_SYMBOLIC = 64,
52050943 SR	34	};
	35
	36	struct format_field {
	37	struct format_field *next;
	38	char *type;
	39	char *name;
	40	int offset;
	41	int size;
	42	unsigned long flags;
	43	};
	44
	45	struct format {
	46	int nr_common;
	47	int nr_fields;
	48	struct format_field *common_fields;
	49	struct format_field *fields;
	50	};
	51
	52	struct print_arg_atom {
	53	char *atom;
	54	};
	55
	56	struct print_arg_string {
	57	char *string;
561f732c	58	int offset;
52050943 SR	59	};
	60
	61	struct print_arg_field {
	62	char *name;
	63	struct format_field *field;
	64	};
	65
	66	struct print_flag_sym {
	67	struct print_flag_sym *next;
	68	char *value;
	69	char *str;
	70	};
	71
	72	struct print_arg_typecast {
	73	char *type;
	74	struct print_arg *item;
	75	};
	76
	77	struct print_arg_flags {
	78	struct print_arg *field;
	79	char *delim;
	80	struct print_flag_sym *flags;
	81	};
	82
	83	struct print_arg_symbol {
	84	struct print_arg *field;
	85	struct print_flag_sym *symbols;
	86	};
	87
	88	struct print_arg;
	89
	90	struct print_arg_op {
	91	char *op;
	92	int prio;
	93	struct print_arg *left;
	94	struct print_arg *right;
	95	};
	96
	97	struct print_arg_func {
	98	char *name;
	99	struct print_arg *args;
	100	};
	101
	102	enum print_arg_type {
	103	PRINT_NULL,
	104	PRINT_ATOM,
	105	PRINT_FIELD,
	106	PRINT_FLAGS,
	107	PRINT_SYMBOL,
	108	PRINT_TYPE,
	109	PRINT_STRING,
	110	PRINT_OP,
	111	};
	112
	113	struct print_arg {
	114	struct print_arg *next;
	115	enum print_arg_type type;
	116	union {
	117	struct print_arg_atom atom;
	118	struct print_arg_field field;
	119	struct print_arg_typecast typecast;
	120	struct print_arg_flags flags;
	121	struct print_arg_symbol symbol;
	122	struct print_arg_func func;
123	struct print_arg_string string;
124	struct print_arg_op op;
125	};
126	};
127
128	struct print_fmt {
129	char *format;
130	struct print_arg *args;
131	};
132
133	struct event {
134	struct event *next;
135	char *name;
136	int id;
137	int flags;
138	struct format format;
139	struct print_fmt print_fmt;
27746018	140	char *system;
52050943 SR	141	};
	142
	143	enum {
07a4bddd SR	144	EVENT_FL_ISFTRACE = 0x01,
	145	EVENT_FL_ISPRINT = 0x02,
	146	EVENT_FL_ISBPRINT = 0x04,
	147	EVENT_FL_ISFUNC = 0x08,
	148	EVENT_FL_ISFUNCENT = 0x10,
	149	EVENT_FL_ISFUNCRET = 0x20,
	150
	151	EVENT_FL_FAILED = 0x80000000
52050943 SR	152	};
	153
	154	struct record {
	155	unsigned long long ts;
	156	int size;
	157	void *data;
	158	};
	159
	160	struct record *trace_peek_data(int cpu);
	161	struct record *trace_read_data(int cpu);
	162
	163	void parse_set_info(int nr_cpus, int long_sz);
	164
03456a15	165	void trace_report(int fd);
52050943 SR	166
	167	void *malloc_or_die(unsigned int size);
	168
	169	void parse_cmdlines(char *file, int size);
	170	void parse_proc_kallsyms(char *file, unsigned int size);
	171	void parse_ftrace_printk(char *file, unsigned int size);
	172
	173	void print_funcs(void);
	174	void print_printk(void);
	175
	176	int parse_ftrace_file(char *buf, unsigned long size);
27746018	177	int parse_event_file(char buf, unsigned long size, char sys);
52050943 SR	178	void print_event(int cpu, void *data, int size, unsigned long long nsecs,
	179	char *comm);
	180
	181	extern int file_bigendian;
	182	extern int host_bigendian;
	183
	184	int bigendian(void);
	185
	186	static inline unsigned short __data2host2(unsigned short data)
	187	{
	188	unsigned short swap;
	189
	190	if (host_bigendian == file_bigendian)
	191	return data;
	192
	193	swap = ((data & 0xffULL) << 8) \|
	194	((data & (0xffULL << 8)) >> 8);
	195
	196	return swap;
	197	}
	198
	199	static inline unsigned int __data2host4(unsigned int data)
	200	{
	201	unsigned int swap;
	202
	203	if (host_bigendian == file_bigendian)
	204	return data;
	205
	206	swap = ((data & 0xffULL) << 24) \|
	207	((data & (0xffULL << 8)) << 8) \|
	208	((data & (0xffULL << 16)) >> 8) \|
	209	((data & (0xffULL << 24)) >> 24);
	210
	211	return swap;
	212	}
	213
	214	static inline unsigned long long __data2host8(unsigned long long data)
	215	{
	216	unsigned long long swap;
	217
	218	if (host_bigendian == file_bigendian)
	219	return data;
	220
	221	swap = ((data & 0xffULL) << 56) \|
	222	((data & (0xffULL << 8)) << 40) \|
	223	((data & (0xffULL << 16)) << 24) \|
	224	((data & (0xffULL << 24)) << 8) \|
	225	((data & (0xffULL << 32)) >> 8) \|
	226	((data & (0xffULL << 40)) >> 24) \|
	227	((data & (0xffULL << 48)) >> 40) \|
	228	((data & (0xffULL << 56)) >> 56);
	229
	230	return swap;
	231	}
	232
	233	#define data2host2(ptr) __data2host2((unsigned short )ptr)
	234	#define data2host4(ptr) __data2host4((unsigned int )ptr)
	235	#define data2host8(ptr) __data2host8((unsigned long long )ptr)
	236
	237	extern int header_page_ts_offset;
	238	extern int header_page_ts_size;
	239	extern int header_page_size_offset;
	240	extern int header_page_size_size;
	241	extern int header_page_data_offset;
242	extern int header_page_data_size;
243
cda48461 SR	244	extern int latency_format;
cda48461 SR	245
52050943	246	int parse_header_page(char *buf, unsigned long size);
ec156764	247	int trace_parse_common_type(void *data);
16c632de	248	int trace_parse_common_pid(void *data);
d1b93772 TZ	249	int parse_common_pc(void *data);
	250	int parse_common_flags(void *data);
	251	int parse_common_lock_depth(void *data);
ec156764	252	struct event *trace_find_event(int id);
16c632de TZ	253	struct event trace_find_next_event(struct event event);
16c632de TZ	254	unsigned long long read_size(void *ptr, int size);
46538818 FW	255	unsigned long long
	256	raw_field_value(struct event event, const char name, void *data);
	257	void raw_field_ptr(struct event event, const char name, void data);
16c632de	258	unsigned long long eval_flag(const char *flag);
52050943	259
e2561368	260	int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);
52050943	261
cda48461 SR	262	/* taken from kernel/trace/trace.h */
	263	enum trace_flag_type {
	264	TRACE_FLAG_IRQS_OFF = 0x01,
	265	TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
	266	TRACE_FLAG_NEED_RESCHED = 0x04,
	267	TRACE_FLAG_HARDIRQ = 0x08,
	268	TRACE_FLAG_SOFTIRQ = 0x10,
	269	};
	270
956ffd02 TZ	271	struct scripting_ops {
956ffd02 TZ	272	const char *name;
586bc5cc	273	int (start_script) (const char script, int argc, const char **argv);
956ffd02 TZ	274	int (*stop_script) (void);
	275	void (process_event) (int cpu, void data, int size,
	276	unsigned long long nsecs, char *comm);
	277	int (generate_script) (const char outfile);
	278	};
	279
	280	int script_spec_register(const char spec, struct scripting_ops ops);
	281
16c632de TZ	282	extern struct scripting_ops perl_scripting_ops;
	283	void setup_perl_scripting(void);
	284
8b40f521	285	#endif /* __PERF_TRACE_EVENTS_H */