machine.h
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#ifndef __PERF_MACHINE_H
#define __PERF_MACHINE_H
#include <sys/types.h>
#include <linux/rbtree.h>
#include "map.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 machine {
struct rb_node rb_node;
pid_t pid;
u16 id_hdr_size;
char *root_dir;
struct rb_root threads;
struct list_head dead_threads;
struct thread *last_match;
struct list_head user_dsos;
struct list_head kernel_dsos;
struct map_groups kmaps;
struct map *vmlinux_maps[MAP__NR_TYPES];
symbol_filter_t symbol_filter;
};
static inline
struct map *machine__kernel_map(struct machine *machine, enum map_type type)
{
return machine->vmlinux_maps[type];
}
struct thread *machine__find_thread(struct machine *machine, pid_t tid);
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_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);
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_dead_threads(struct machine *machine);
void machine__delete_threads(struct machine *machine);
void machine__delete(struct machine *machine);
struct branch_info *machine__resolve_bstack(struct machine *machine,
struct thread *thread,
struct branch_stack *bs);
struct mem_info *machine__resolve_mem(struct machine *machine,
struct thread *thread,
struct perf_sample *sample, u8 cpumode);
int machine__resolve_callchain(struct machine *machine,
struct perf_evsel *evsel,
struct thread *thread,
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);
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__new_module(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 __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);
static inline
int machine__synthesize_threads(struct machine *machine, struct target *target,
struct thread_map *threads, bool data_mmap)
{
return __machine__synthesize_threads(machine, NULL, target, threads,
perf_event__process, data_mmap);
}
#endif /* __PERF_MACHINE_H */