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

#ifndef __PERF_MACHINE_H
#define __PERF_MACHINE_H

#include <sys/types.h>
#include <linux/rbtree.h>
#include "map.h"
#include "dso.h"
#include "event.h"

struct addr_location;
struct branch_stack;
struct perf_evsel;
struct perf_sample;
struct symbol;
struct thread;
union perf_event;

/* Native host kernel uses -1 as pid index in machine */
#define	HOST_KERNEL_ID			(-1)
#define	DEFAULT_GUEST_KERNEL_ID		(0)

extern const char *ref_reloc_sym_names[];

struct vdso_info;

struct machine {
	struct rb_node	  rb_node;
	pid_t		  pid;
	u16		  id_hdr_size;
	bool		  comm_exec;
	char		  *root_dir;
	struct rb_root	  threads;
	pthread_rwlock_t  threads_lock;
	struct list_head  dead_threads;
	struct thread	  *last_match;
	struct vdso_info  *vdso_info;
	struct perf_env   *env;
	struct dsos	  dsos;
	struct map_groups kmaps;
	struct map	  *vmlinux_maps[MAP__NR_TYPES];
	u64		  kernel_start;
	symbol_filter_t	  symbol_filter;
	pid_t		  *current_tid;
	union { /* Tool specific area */
		void	  *priv;
		u64	  db_id;
	};
};

static inline
struct map *__machine__kernel_map(struct machine *machine, enum map_type type)
{
	return machine->vmlinux_maps[type];
}

static inline
struct map *machine__kernel_map(struct machine *machine)
{
	return __machine__kernel_map(machine, MAP__FUNCTION);
}

int machine__get_kernel_start(struct machine *machine);

static inline u64 machine__kernel_start(struct machine *machine)
{
	if (!machine->kernel_start)
		machine__get_kernel_start(machine);
	return machine->kernel_start;
}

static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
{
	u64 kernel_start = machine__kernel_start(machine);

	return ip >= kernel_start;
}

struct thread *machine__find_thread(struct machine *machine, pid_t pid,
				    pid_t tid);
struct comm *machine__thread_exec_comm(struct machine *machine,
				       struct thread *thread);

int machine__process_comm_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);
int machine__process_exit_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);
int machine__process_fork_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);
int machine__process_lost_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);
int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
					struct perf_sample *sample);
int machine__process_aux_event(struct machine *machine,
			       union perf_event *event);
int machine__process_itrace_start_event(struct machine *machine,
					union perf_event *event);
int machine__process_switch_event(struct machine *machine,
				  union perf_event *event);
int machine__process_mmap_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);
int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
				 struct perf_sample *sample);
int machine__process_event(struct machine *machine, union perf_event *event,
				struct perf_sample *sample);

typedef void (*machine__process_t)(struct machine *machine, void *data);

struct machines {
	struct machine host;
	struct rb_root guests;
	symbol_filter_t symbol_filter;
};

void machines__init(struct machines *machines);
void machines__exit(struct machines *machines);

void machines__process_guests(struct machines *machines,
			      machine__process_t process, void *data);

struct machine *machines__add(struct machines *machines, pid_t pid,
			      const char *root_dir);
struct machine *machines__find_host(struct machines *machines);
struct machine *machines__find(struct machines *machines, pid_t pid);
struct machine *machines__findnew(struct machines *machines, pid_t pid);

void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
char *machine__mmap_name(struct machine *machine, char *bf, size_t size);

void machines__set_symbol_filter(struct machines *machines,
				 symbol_filter_t symbol_filter);
void machines__set_comm_exec(struct machines *machines, bool comm_exec);

struct machine *machine__new_host(void);
int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
void machine__exit(struct machine *machine);
void machine__delete_threads(struct machine *machine);
void machine__delete(struct machine *machine);
void machine__remove_thread(struct machine *machine, struct thread *th);

struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
					   struct addr_location *al);
struct mem_info *sample__resolve_mem(struct perf_sample *sample,
				     struct addr_location *al);
int thread__resolve_callchain(struct thread *thread,
			      struct perf_evsel *evsel,
			      struct perf_sample *sample,
			      struct symbol **parent,
			      struct addr_location *root_al,
			      int max_stack);

/*
 * Default guest kernel is defined by parameter --guestkallsyms
 * and --guestmodules
 */
static inline bool machine__is_default_guest(struct machine *machine)
{
	return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
}

static inline bool machine__is_host(struct machine *machine)
{
	return machine ? machine->pid == HOST_KERNEL_ID : false;
}

struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);

struct dso *machine__findnew_dso(struct machine *machine, const char *filename);

size_t machine__fprintf(struct machine *machine, FILE *fp);

static inline
struct symbol *machine__find_kernel_symbol(struct machine *machine,
					   enum map_type type, u64 addr,
					   struct map **mapp,
					   symbol_filter_t filter)
{
	return map_groups__find_symbol(&machine->kmaps, type, addr,
				       mapp, filter);
}

static inline
struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
						   enum map_type type, const char *name,
						   struct map **mapp,
						   symbol_filter_t filter)
{
	return map_groups__find_symbol_by_name(&machine->kmaps, type, name,
					       mapp, filter);
}

static inline
struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
					     struct map **mapp,
					     symbol_filter_t filter)
{
	return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
					   mapp, filter);
}

static inline
struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
						     const char *name,
						     struct map **mapp,
						     symbol_filter_t filter)
{
	return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
						 filter);
}

struct map *machine__findnew_module_map(struct machine *machine, u64 start,
					const char *filename);

int machine__load_kallsyms(struct machine *machine, const char *filename,
			   enum map_type type, symbol_filter_t filter);
int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
			       symbol_filter_t filter);

size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
				     bool (skip)(struct dso *dso, int parm), int parm);
size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
				     bool (skip)(struct dso *dso, int parm), int parm);

void machine__destroy_kernel_maps(struct machine *machine);
int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
int machine__create_kernel_maps(struct machine *machine);

int machines__create_kernel_maps(struct machines *machines, pid_t pid);
int machines__create_guest_kernel_maps(struct machines *machines);
void machines__destroy_kernel_maps(struct machines *machines);

size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);

int machine__for_each_thread(struct machine *machine,
			     int (*fn)(struct thread *thread, void *p),
			     void *priv);
int machines__for_each_thread(struct machines *machines,
			      int (*fn)(struct thread *thread, void *p),
			      void *priv);

int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
				  struct target *target, struct thread_map *threads,
				  perf_event__handler_t process, bool data_mmap,
				  unsigned int proc_map_timeout);
static inline
int machine__synthesize_threads(struct machine *machine, struct target *target,
				struct thread_map *threads, bool data_mmap,
				unsigned int proc_map_timeout)
{
	return __machine__synthesize_threads(machine, NULL, target, threads,
					     perf_event__process, data_mmap,
					     proc_map_timeout);
}

pid_t machine__get_current_tid(struct machine *machine, int cpu);
int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
			     pid_t tid);
/*
 * For use with libtraceevent's pevent_set_function_resolver()
 */
char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);

#endif /* __PERF_MACHINE_H */
Commit	Line	Data
9d2f8e22 ACM	1	#ifndef __PERF_MACHINE_H
	2	#define __PERF_MACHINE_H
	3
	4	#include <sys/types.h>
69d2591a ACM	5	#include <linux/rbtree.h>
69d2591a ACM	6	#include "map.h"
8fa7d87f	7	#include "dso.h"
58d925dc	8	#include "event.h"
9d2f8e22	9
b21484f1	10	struct addr_location;
69d2591a ACM	11	struct branch_stack;
	12	struct perf_evsel;
	13	struct perf_sample;
	14	struct symbol;
9d2f8e22	15	struct thread;
b0a7d1a0	16	union perf_event;
9d2f8e22	17
69d2591a ACM	18	/* Native host kernel uses -1 as pid index in machine */
	19	#define HOST_KERNEL_ID (-1)
	20	#define DEFAULT_GUEST_KERNEL_ID (0)
	21
5512cf24 AH	22	extern const char *ref_reloc_sym_names[];
5512cf24 AH	23
d027b640 AH	24	struct vdso_info;
d027b640 AH	25
69d2591a ACM	26	struct machine {
	27	struct rb_node rb_node;
	28	pid_t pid;
	29	u16 id_hdr_size;
cfe1c414	30	bool comm_exec;
69d2591a ACM	31	char *root_dir;
69d2591a ACM	32	struct rb_root threads;
b91fc39f	33	pthread_rwlock_t threads_lock;
69d2591a ACM	34	struct list_head dead_threads;
69d2591a ACM	35	struct thread *last_match;
d027b640	36	struct vdso_info *vdso_info;
4cde998d	37	struct perf_env *env;
3d39ac53	38	struct dsos dsos;
69d2591a ACM	39	struct map_groups kmaps;
69d2591a ACM	40	struct map *vmlinux_maps[MAP__NR_TYPES];
fbe2af45	41	u64 kernel_start;
611a5ce8	42	symbol_filter_t symbol_filter;
b9d266ba	43	pid_t *current_tid;
0db15b1e AH	44	union { /* Tool specific area */
	45	void *priv;
	46	u64 db_id;
	47	};
69d2591a ACM	48	};
	49
	50	static inline
a5e813c6	51	struct map __machine__kernel_map(struct machine machine, enum map_type type)
69d2591a ACM	52	{
	53	return machine->vmlinux_maps[type];
	54	}
	55
a5e813c6 ACM	56	static inline
	57	struct map machine__kernel_map(struct machine machine)
	58	{
	59	return __machine__kernel_map(machine, MAP__FUNCTION);
	60	}
	61
fbe2af45 AH	62	int machine__get_kernel_start(struct machine *machine);
	63
	64	static inline u64 machine__kernel_start(struct machine *machine)
	65	{
	66	if (!machine->kernel_start)
	67	machine__get_kernel_start(machine);
	68	return machine->kernel_start;
	69	}
	70
	71	static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
	72	{
	73	u64 kernel_start = machine__kernel_start(machine);
	74
	75	return ip >= kernel_start;
	76	}
	77
d75e6097 JO	78	struct thread machine__find_thread(struct machine machine, pid_t pid,
d75e6097 JO	79	pid_t tid);
cfe1c414 AH	80	struct comm machine__thread_exec_comm(struct machine machine,
cfe1c414 AH	81	struct thread *thread);
9d2f8e22	82
162f0bef FW	83	int machine__process_comm_event(struct machine machine, union perf_event event,
	84	struct perf_sample *sample);
	85	int machine__process_exit_event(struct machine machine, union perf_event event,
	86	struct perf_sample *sample);
	87	int machine__process_fork_event(struct machine machine, union perf_event event,
	88	struct perf_sample *sample);
	89	int machine__process_lost_event(struct machine machine, union perf_event event,
	90	struct perf_sample *sample);
c4937a91 KL	91	int machine__process_lost_samples_event(struct machine machine, union perf_event event,
c4937a91 KL	92	struct perf_sample *sample);
4a96f7a0 AH	93	int machine__process_aux_event(struct machine *machine,
4a96f7a0 AH	94	union perf_event *event);
0ad21f68 AH	95	int machine__process_itrace_start_event(struct machine *machine,
0ad21f68 AH	96	union perf_event *event);
b8f8eb84	97	int machine__process_switch_event(struct machine *machine,
0286039f	98	union perf_event *event);
162f0bef FW	99	int machine__process_mmap_event(struct machine machine, union perf_event event,
	100	struct perf_sample *sample);
	101	int machine__process_mmap2_event(struct machine machine, union perf_event event,
	102	struct perf_sample *sample);
	103	int machine__process_event(struct machine machine, union perf_event event,
	104	struct perf_sample *sample);
b0a7d1a0	105
69d2591a ACM	106	typedef void (machine__process_t)(struct machine machine, void *data);
69d2591a ACM	107
876650e6 ACM	108	struct machines {
	109	struct machine host;
	110	struct rb_root guests;
611a5ce8	111	symbol_filter_t symbol_filter;
876650e6 ACM	112	};
	113
	114	void machines__init(struct machines *machines);
	115	void machines__exit(struct machines *machines);
	116
	117	void machines__process_guests(struct machines *machines,
	118	machine__process_t process, void *data);
69d2591a	119
876650e6	120	struct machine machines__add(struct machines machines, pid_t pid,
69d2591a	121	const char *root_dir);
876650e6 ACM	122	struct machine machines__find_host(struct machines machines);
	123	struct machine machines__find(struct machines machines, pid_t pid);
	124	struct machine machines__findnew(struct machines machines, pid_t pid);
69d2591a	125
876650e6	126	void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
69d2591a ACM	127	char machine__mmap_name(struct machine machine, char *bf, size_t size);
69d2591a ACM	128
611a5ce8 AH	129	void machines__set_symbol_filter(struct machines *machines,
611a5ce8 AH	130	symbol_filter_t symbol_filter);
cfe1c414	131	void machines__set_comm_exec(struct machines *machines, bool comm_exec);
611a5ce8	132
8fb598e5	133	struct machine *machine__new_host(void);
69d2591a ACM	134	int machine__init(struct machine machine, const char root_dir, pid_t pid);
69d2591a ACM	135	void machine__exit(struct machine *machine);
3f067dca	136	void machine__delete_threads(struct machine *machine);
69d2591a	137	void machine__delete(struct machine *machine);
5e78c69b	138	void machine__remove_thread(struct machine machine, struct thread th);
69d2591a	139
644f2df2 ACM	140	struct branch_info sample__resolve_bstack(struct perf_sample sample,
644f2df2 ACM	141	struct addr_location *al);
e80faac0 ACM	142	struct mem_info sample__resolve_mem(struct perf_sample sample,
e80faac0 ACM	143	struct addr_location *al);
cc8b7c2b ACM	144	int thread__resolve_callchain(struct thread *thread,
	145	struct perf_evsel *evsel,
	146	struct perf_sample *sample,
	147	struct symbol **parent,
	148	struct addr_location *root_al,
	149	int max_stack);
69d2591a ACM	150
	151	/*
	152	* Default guest kernel is defined by parameter --guestkallsyms
	153	* and --guestmodules
	154	*/
	155	static inline bool machine__is_default_guest(struct machine *machine)
	156	{
	157	return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
	158	}
	159
	160	static inline bool machine__is_host(struct machine *machine)
	161	{
	162	return machine ? machine->pid == HOST_KERNEL_ID : false;
	163	}
	164
b91fc39f ACM	165	struct thread __machine__findnew_thread(struct machine machine, pid_t pid, pid_t tid);
b91fc39f ACM	166	struct thread machine__findnew_thread(struct machine machine, pid_t pid, pid_t tid);
69d2591a	167
aa7cc2ae ACM	168	struct dso machine__findnew_dso(struct machine machine, const char *filename);
aa7cc2ae ACM	169
69d2591a ACM	170	size_t machine__fprintf(struct machine machine, FILE fp);
	171
	172	static inline
	173	struct symbol machine__find_kernel_symbol(struct machine machine,
	174	enum map_type type, u64 addr,
	175	struct map **mapp,
	176	symbol_filter_t filter)
	177	{
	178	return map_groups__find_symbol(&machine->kmaps, type, addr,
	179	mapp, filter);
	180	}
	181
8acd3da0 ACM	182	static inline
	183	struct symbol machine__find_kernel_symbol_by_name(struct machine machine,
	184	enum map_type type, const char *name,
	185	struct map **mapp,
	186	symbol_filter_t filter)
	187	{
	188	return map_groups__find_symbol_by_name(&machine->kmaps, type, name,
	189	mapp, filter);
	190	}
	191
69d2591a ACM	192	static inline
	193	struct symbol machine__find_kernel_function(struct machine machine, u64 addr,
	194	struct map **mapp,
	195	symbol_filter_t filter)
	196	{
	197	return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
	198	mapp, filter);
	199	}
	200
	201	static inline
	202	struct symbol machine__find_kernel_function_by_name(struct machine machine,
	203	const char *name,
	204	struct map **mapp,
	205	symbol_filter_t filter)
	206	{
	207	return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
	208	filter);
	209	}
	210
9f2de315 ACM	211	struct map machine__findnew_module_map(struct machine machine, u64 start,
9f2de315 ACM	212	const char *filename);
69d2591a ACM	213
	214	int machine__load_kallsyms(struct machine machine, const char filename,
	215	enum map_type type, symbol_filter_t filter);
	216	int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
	217	symbol_filter_t filter);
	218
417c2ff6 ACM	219	size_t machine__fprintf_dsos_buildid(struct machine machine, FILE fp,
417c2ff6 ACM	220	bool (skip)(struct dso *dso, int parm), int parm);
876650e6 ACM	221	size_t machines__fprintf_dsos(struct machines machines, FILE fp);
876650e6 ACM	222	size_t machines__fprintf_dsos_buildid(struct machines machines, FILE fp,
417c2ff6	223	bool (skip)(struct dso *dso, int parm), int parm);
69d2591a ACM	224
	225	void machine__destroy_kernel_maps(struct machine *machine);
	226	int __machine__create_kernel_maps(struct machine machine, struct dso kernel);
	227	int machine__create_kernel_maps(struct machine *machine);
	228
876650e6 ACM	229	int machines__create_kernel_maps(struct machines *machines, pid_t pid);
	230	int machines__create_guest_kernel_maps(struct machines *machines);
	231	void machines__destroy_kernel_maps(struct machines *machines);
69d2591a ACM	232
	233	size_t machine__fprintf_vmlinux_path(struct machine machine, FILE fp);
	234
35feee19 DA	235	int machine__for_each_thread(struct machine *machine,
	236	int (fn)(struct thread thread, void *p),
	237	void *priv);
a5499b37 AH	238	int machines__for_each_thread(struct machines *machines,
	239	int (fn)(struct thread thread, void *p),
	240	void *priv);
35feee19	241
a33fbd56	242	int __machine__synthesize_threads(struct machine machine, struct perf_tool tool,
602ad878	243	struct target target, struct thread_map threads,
9d9cad76 KL	244	perf_event__handler_t process, bool data_mmap,
9d9cad76 KL	245	unsigned int proc_map_timeout);
a33fbd56	246	static inline
602ad878	247	int machine__synthesize_threads(struct machine machine, struct target target,
9d9cad76 KL	248	struct thread_map *threads, bool data_mmap,
9d9cad76 KL	249	unsigned int proc_map_timeout)
a33fbd56 ACM	250	{
a33fbd56 ACM	251	return __machine__synthesize_threads(machine, NULL, target, threads,
9d9cad76 KL	252	perf_event__process, data_mmap,
9d9cad76 KL	253	proc_map_timeout);
a33fbd56 ACM	254	}
a33fbd56 ACM	255
b9d266ba AH	256	pid_t machine__get_current_tid(struct machine *machine, int cpu);
	257	int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
	258	pid_t tid);
c3168b0d ACM	259	/*
	260	* For use with libtraceevent's pevent_set_function_resolver()
	261	*/
	262	char machine__resolve_kernel_addr(void vmachine, unsigned long long addrp, char *modp);
b9d266ba	263
9d2f8e22	264	#endif /* __PERF_MACHINE_H */