234 lines
7.7 KiB
C
234 lines
7.7 KiB
C
#ifndef __PERF_MACHINE_H
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#define __PERF_MACHINE_H
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#include <sys/types.h>
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#include <linux/rbtree.h>
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#include "map.h"
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#include "dso.h"
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#include "event.h"
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struct addr_location;
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struct branch_stack;
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struct perf_evsel;
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struct perf_sample;
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struct symbol;
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struct thread;
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union perf_event;
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/* Native host kernel uses -1 as pid index in machine */
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#define HOST_KERNEL_ID (-1)
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#define DEFAULT_GUEST_KERNEL_ID (0)
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extern const char *ref_reloc_sym_names[];
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struct vdso_info;
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struct machine {
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struct rb_node rb_node;
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pid_t pid;
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u16 id_hdr_size;
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bool comm_exec;
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char *root_dir;
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struct rb_root threads;
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pthread_rwlock_t threads_lock;
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struct list_head dead_threads;
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struct thread *last_match;
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struct vdso_info *vdso_info;
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struct dsos dsos;
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struct map_groups kmaps;
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struct map *vmlinux_maps[MAP__NR_TYPES];
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u64 kernel_start;
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symbol_filter_t symbol_filter;
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pid_t *current_tid;
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union { /* Tool specific area */
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void *priv;
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u64 db_id;
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};
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};
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static inline
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struct map *machine__kernel_map(struct machine *machine, enum map_type type)
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{
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return machine->vmlinux_maps[type];
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}
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int machine__get_kernel_start(struct machine *machine);
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static inline u64 machine__kernel_start(struct machine *machine)
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{
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if (!machine->kernel_start)
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machine__get_kernel_start(machine);
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return machine->kernel_start;
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}
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static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
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{
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u64 kernel_start = machine__kernel_start(machine);
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return ip >= kernel_start;
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}
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struct thread *machine__find_thread(struct machine *machine, pid_t pid,
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pid_t tid);
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struct comm *machine__thread_exec_comm(struct machine *machine,
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struct thread *thread);
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int machine__process_comm_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_exit_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_fork_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_lost_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_aux_event(struct machine *machine,
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union perf_event *event);
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int machine__process_itrace_start_event(struct machine *machine,
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union perf_event *event);
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int machine__process_mmap_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int machine__process_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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typedef void (*machine__process_t)(struct machine *machine, void *data);
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struct machines {
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struct machine host;
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struct rb_root guests;
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symbol_filter_t symbol_filter;
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};
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void machines__init(struct machines *machines);
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void machines__exit(struct machines *machines);
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void machines__process_guests(struct machines *machines,
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machine__process_t process, void *data);
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struct machine *machines__add(struct machines *machines, pid_t pid,
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const char *root_dir);
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struct machine *machines__find_host(struct machines *machines);
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struct machine *machines__find(struct machines *machines, pid_t pid);
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struct machine *machines__findnew(struct machines *machines, pid_t pid);
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void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
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char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
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void machines__set_symbol_filter(struct machines *machines,
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symbol_filter_t symbol_filter);
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void machines__set_comm_exec(struct machines *machines, bool comm_exec);
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struct machine *machine__new_host(void);
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int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
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void machine__exit(struct machine *machine);
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void machine__delete_threads(struct machine *machine);
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void machine__delete(struct machine *machine);
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void machine__remove_thread(struct machine *machine, struct thread *th);
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struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
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struct addr_location *al);
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struct mem_info *sample__resolve_mem(struct perf_sample *sample,
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struct addr_location *al);
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int thread__resolve_callchain(struct thread *thread,
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struct perf_evsel *evsel,
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struct perf_sample *sample,
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struct symbol **parent,
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struct addr_location *root_al,
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int max_stack);
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/*
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* Default guest kernel is defined by parameter --guestkallsyms
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* and --guestmodules
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*/
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static inline bool machine__is_default_guest(struct machine *machine)
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{
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return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
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}
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static inline bool machine__is_host(struct machine *machine)
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{
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return machine ? machine->pid == HOST_KERNEL_ID : false;
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}
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struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
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struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
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struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
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size_t machine__fprintf(struct machine *machine, FILE *fp);
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static inline
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struct symbol *machine__find_kernel_symbol(struct machine *machine,
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enum map_type type, u64 addr,
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struct map **mapp,
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symbol_filter_t filter)
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{
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return map_groups__find_symbol(&machine->kmaps, type, addr,
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mapp, filter);
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}
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static inline
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struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
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struct map **mapp,
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symbol_filter_t filter)
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{
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return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
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mapp, filter);
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}
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static inline
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struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
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const char *name,
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struct map **mapp,
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symbol_filter_t filter)
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{
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return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
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filter);
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}
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struct map *machine__new_module(struct machine *machine, u64 start,
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const char *filename);
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int machine__load_kallsyms(struct machine *machine, const char *filename,
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enum map_type type, symbol_filter_t filter);
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int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
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symbol_filter_t filter);
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size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
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bool (skip)(struct dso *dso, int parm), int parm);
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size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
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size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
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bool (skip)(struct dso *dso, int parm), int parm);
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void machine__destroy_kernel_maps(struct machine *machine);
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int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
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int machine__create_kernel_maps(struct machine *machine);
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int machines__create_kernel_maps(struct machines *machines, pid_t pid);
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int machines__create_guest_kernel_maps(struct machines *machines);
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void machines__destroy_kernel_maps(struct machines *machines);
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size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
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int machine__for_each_thread(struct machine *machine,
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int (*fn)(struct thread *thread, void *p),
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void *priv);
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int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
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struct target *target, struct thread_map *threads,
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perf_event__handler_t process, bool data_mmap);
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static inline
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int machine__synthesize_threads(struct machine *machine, struct target *target,
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struct thread_map *threads, bool data_mmap)
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{
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return __machine__synthesize_threads(machine, NULL, target, threads,
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perf_event__process, data_mmap);
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}
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pid_t machine__get_current_tid(struct machine *machine, int cpu);
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int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
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pid_t tid);
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#endif /* __PERF_MACHINE_H */
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