[deliverable/linux.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 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];
}

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_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_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);

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