[deliverable/linux.git] / tools / perf / util / header.h

#ifndef __PERF_HEADER_H
#define __PERF_HEADER_H

#include <linux/perf_event.h>
#include <sys/types.h>
#include <stdbool.h>
#include <linux/bitmap.h>
#include <linux/types.h>
#include "event.h"


enum {
	HEADER_RESERVED		= 0,	/* always cleared */
	HEADER_FIRST_FEATURE	= 1,
	HEADER_TRACING_DATA	= 1,
	HEADER_BUILD_ID,

	HEADER_HOSTNAME,
	HEADER_OSRELEASE,
	HEADER_VERSION,
	HEADER_ARCH,
	HEADER_NRCPUS,
	HEADER_CPUDESC,
	HEADER_CPUID,
	HEADER_TOTAL_MEM,
	HEADER_CMDLINE,
	HEADER_EVENT_DESC,
	HEADER_CPU_TOPOLOGY,
	HEADER_NUMA_TOPOLOGY,
	HEADER_BRANCH_STACK,
	HEADER_PMU_MAPPINGS,
	HEADER_GROUP_DESC,
	HEADER_AUXTRACE,
	HEADER_LAST_FEATURE,
	HEADER_FEAT_BITS	= 256,
};

enum perf_header_version {
	PERF_HEADER_VERSION_1,
	PERF_HEADER_VERSION_2,
};

struct perf_file_section {
	u64 offset;
	u64 size;
};

struct perf_file_header {
	u64				magic;
	u64				size;
	u64				attr_size;
	struct perf_file_section	attrs;
	struct perf_file_section	data;
	/* event_types is ignored */
	struct perf_file_section	event_types;
	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
};

struct perf_pipe_file_header {
	u64				magic;
	u64				size;
};

struct perf_header;

int perf_file_header__read(struct perf_file_header *header,
			   struct perf_header *ph, int fd);

struct perf_env {
	char			*hostname;
	char			*os_release;
	char			*version;
	char			*arch;
	int			nr_cpus_online;
	int			nr_cpus_avail;
	char			*cpu_desc;
	char			*cpuid;
	unsigned long long	total_mem;

	int			nr_cmdline;
	int			nr_sibling_cores;
	int			nr_sibling_threads;
	int			nr_numa_nodes;
	int			nr_pmu_mappings;
	int			nr_groups;
	char			*cmdline;
	const char		**cmdline_argv;
	char			*sibling_cores;
	char			*sibling_threads;
	char			*numa_nodes;
	char			*pmu_mappings;
};

struct perf_header {
	enum perf_header_version	version;
	bool				needs_swap;
	u64				data_offset;
	u64				data_size;
	u64				feat_offset;
	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
	struct perf_env 	env;
};

struct perf_evlist;
struct perf_session;

int perf_session__read_header(struct perf_session *session);
int perf_session__write_header(struct perf_session *session,
			       struct perf_evlist *evlist,
			       int fd, bool at_exit);
int perf_header__write_pipe(int fd);

void perf_header__set_feat(struct perf_header *header, int feat);
void perf_header__clear_feat(struct perf_header *header, int feat);
bool perf_header__has_feat(const struct perf_header *header, int feat);

int perf_header__set_cmdline(int argc, const char **argv);

int perf_header__process_sections(struct perf_header *header, int fd,
				  void *data,
				  int (*process)(struct perf_file_section *section,
				  struct perf_header *ph,
				  int feat, int fd, void *data));

int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full);

int perf_event__synthesize_attr(struct perf_tool *tool,
				struct perf_event_attr *attr, u32 ids, u64 *id,
				perf_event__handler_t process);
int perf_event__synthesize_attrs(struct perf_tool *tool,
				 struct perf_session *session,
				 perf_event__handler_t process);
int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
			     struct perf_evlist **pevlist);

int perf_event__synthesize_tracing_data(struct perf_tool *tool,
					int fd, struct perf_evlist *evlist,
					perf_event__handler_t process);
int perf_event__process_tracing_data(struct perf_tool *tool,
				     union perf_event *event,
				     struct perf_session *session);

int perf_event__synthesize_build_id(struct perf_tool *tool,
				    struct dso *pos, u16 misc,
				    perf_event__handler_t process,
				    struct machine *machine);
int perf_event__process_build_id(struct perf_tool *tool,
				 union perf_event *event,
				 struct perf_session *session);
bool is_perf_magic(u64 magic);

#define NAME_ALIGN 64

int write_padded(int fd, const void *bf, size_t count, size_t count_aligned);

/*
 * arch specific callback
 */
int get_cpuid(char *buffer, size_t sz);

#endif /* __PERF_HEADER_H */
Commit	Line	Data
8b40f521 JK	1	#ifndef __PERF_HEADER_H
8b40f521 JK	2	#define __PERF_HEADER_H
7c6a1c65	3
d2709c7c	4	#include <linux/perf_event.h>
7c6a1c65	5	#include <sys/types.h>
8d06367f	6	#include <stdbool.h>
d944c4ee BP	7	#include <linux/bitmap.h>
d944c4ee BP	8	#include <linux/types.h>
ef12a141	9	#include "event.h"
7c6a1c65	10
db9f11e3	11
37562eac	12	enum {
b1e5a9be	13	HEADER_RESERVED = 0, /* always cleared */
781ba9d2	14	HEADER_FIRST_FEATURE = 1,
2eeaaa09	15	HEADER_TRACING_DATA = 1,
37562eac	16	HEADER_BUILD_ID,
fbe96f29 SE	17
	18	HEADER_HOSTNAME,
	19	HEADER_OSRELEASE,
	20	HEADER_VERSION,
	21	HEADER_ARCH,
	22	HEADER_NRCPUS,
	23	HEADER_CPUDESC,
	24	HEADER_CPUID,
	25	HEADER_TOTAL_MEM,
	26	HEADER_CMDLINE,
	27	HEADER_EVENT_DESC,
	28	HEADER_CPU_TOPOLOGY,
	29	HEADER_NUMA_TOPOLOGY,
330aa675	30	HEADER_BRANCH_STACK,
50a9667c	31	HEADER_PMU_MAPPINGS,
a8bb559b	32	HEADER_GROUP_DESC,
4025ea40	33	HEADER_AUXTRACE,
37562eac	34	HEADER_LAST_FEATURE,
b1e5a9be	35	HEADER_FEAT_BITS = 256,
37562eac	36	};
2ba08250	37
2a08c3ec JO	38	enum perf_header_version {
	39	PERF_HEADER_VERSION_1,
	40	PERF_HEADER_VERSION_2,
	41	};
	42
37562eac ACM	43	struct perf_file_section {
	44	u64 offset;
	45	u64 size;
	46	};
	47
	48	struct perf_file_header {
	49	u64 magic;
	50	u64 size;
	51	u64 attr_size;
	52	struct perf_file_section attrs;
	53	struct perf_file_section data;
44b3c578	54	/* event_types is ignored */
37562eac ACM	55	struct perf_file_section event_types;
	56	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
	57	};
	58
8dc58101 TZ	59	struct perf_pipe_file_header {
	60	u64 magic;
	61	u64 size;
	62	};
	63
37562eac ACM	64	struct perf_header;
37562eac ACM	65
1c0b04d1	66	int perf_file_header__read(struct perf_file_header *header,
37562eac ACM	67	struct perf_header *ph, int fd);
37562eac ACM	68
ce80d3be	69	struct perf_env {
e93699b3 NK	70	char *hostname;
	71	char *os_release;
	72	char *version;
	73	char *arch;
	74	int nr_cpus_online;
	75	int nr_cpus_avail;
	76	char *cpu_desc;
	77	char *cpuid;
	78	unsigned long long total_mem;
	79
	80	int nr_cmdline;
e93699b3	81	int nr_sibling_cores;
e93699b3	82	int nr_sibling_threads;
e93699b3	83	int nr_numa_nodes;
e93699b3	84	int nr_pmu_mappings;
a8bb559b	85	int nr_groups;
3ba4d2e1	86	char *cmdline;
768dd3f3	87	const char **cmdline_argv;
3ba4d2e1 ACM	88	char *sibling_cores;
	89	char *sibling_threads;
	90	char *numa_nodes;
	91	char *pmu_mappings;
e93699b3 NK	92	};
e93699b3 NK	93
7c6a1c65	94	struct perf_header {
2a08c3ec JO	95	enum perf_header_version version;
	96	bool needs_swap;
	97	u64 data_offset;
	98	u64 data_size;
	99	u64 feat_offset;
db9f11e3	100	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
ce80d3be	101	struct perf_env env;
7c6a1c65 PZ	102	};
7c6a1c65 PZ	103
361c99a6	104	struct perf_evlist;
d20deb64	105	struct perf_session;
361c99a6	106
d4339569	107	int perf_session__read_header(struct perf_session *session);
a91e5431 ACM	108	int perf_session__write_header(struct perf_session *session,
	109	struct perf_evlist *evlist,
	110	int fd, bool at_exit);
8dc58101	111	int perf_header__write_pipe(int fd);
7c6a1c65	112
1c0b04d1 ACM	113	void perf_header__set_feat(struct perf_header *header, int feat);
	114	void perf_header__clear_feat(struct perf_header *header, int feat);
	115	bool perf_header__has_feat(const struct perf_header *header, int feat);
7c6a1c65	116
fbe96f29 SE	117	int perf_header__set_cmdline(int argc, const char **argv);
fbe96f29 SE	118
1c0b04d1	119	int perf_header__process_sections(struct perf_header *header, int fd,
fbe96f29	120	void *data,
1c0b04d1	121	int (process)(struct perf_file_section section,
fbe96f29 SE	122	struct perf_header *ph,
	123	int feat, int fd, void *data));
	124
	125	int perf_header__fprintf_info(struct perf_session s, FILE fp, bool full);
37562eac	126
45694aa7	127	int perf_event__synthesize_attr(struct perf_tool *tool,
f4d83436	128	struct perf_event_attr attr, u32 ids, u64 id,
743eb868	129	perf_event__handler_t process);
45694aa7	130	int perf_event__synthesize_attrs(struct perf_tool *tool,
d20deb64 ACM	131	struct perf_session *session,
d20deb64 ACM	132	perf_event__handler_t process);
47c3d109 AH	133	int perf_event__process_attr(struct perf_tool tool, union perf_event event,
47c3d109 AH	134	struct perf_evlist **pevlist);
8115d60c	135
45694aa7	136	int perf_event__synthesize_tracing_data(struct perf_tool *tool,
d20deb64	137	int fd, struct perf_evlist *evlist,
743eb868	138	perf_event__handler_t process);
47c3d109 AH	139	int perf_event__process_tracing_data(struct perf_tool *tool,
47c3d109 AH	140	union perf_event *event,
8115d60c ACM	141	struct perf_session *session);
8115d60c ACM	142
45694aa7	143	int perf_event__synthesize_build_id(struct perf_tool *tool,
d20deb64	144	struct dso *pos, u16 misc,
8115d60c	145	perf_event__handler_t process,
743eb868	146	struct machine *machine);
45694aa7	147	int perf_event__process_build_id(struct perf_tool *tool,
d20deb64	148	union perf_event *event,
8115d60c	149	struct perf_session *session);
e84ba4e2	150	bool is_perf_magic(u64 magic);
fbe96f29	151
e195fac8 NK	152	#define NAME_ALIGN 64
	153
	154	int write_padded(int fd, const void *bf, size_t count, size_t count_aligned);
1f625b0b	155
fbe96f29 SE	156	/*
	157	* arch specific callback
	158	*/
	159	int get_cpuid(char *buffer, size_t sz);
	160
8b40f521	161	#endif /* __PERF_HEADER_H */