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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __PERF_MACHINE_H3#define __PERF_MACHINE_H4 5#include <sys/types.h>6#include <linux/rbtree.h>7#include "maps.h"8#include "dsos.h"9#include "rwsem.h"10#include "threads.h"11 12struct addr_location;13struct branch_stack;14struct dso;15struct dso_id;16struct evsel;17struct perf_sample;18struct symbol;19struct target;20struct thread;21union perf_event;22struct machines;23 24/* Native host kernel uses -1 as pid index in machine */25#define HOST_KERNEL_ID (-1)26#define DEFAULT_GUEST_KERNEL_ID (0)27 28extern const char *ref_reloc_sym_names[];29 30struct vdso_info;31 32struct machine {33 struct rb_node rb_node;34 pid_t pid;35 u16 id_hdr_size;36 bool comm_exec;37 bool kptr_restrict_warned;38 bool single_address_space;39 char *root_dir;40 char *mmap_name;41 char *kallsyms_filename;42 struct threads threads;43 struct vdso_info *vdso_info;44 struct perf_env *env;45 struct dsos dsos;46 struct maps *kmaps;47 struct map *vmlinux_map;48 u64 kernel_start;49 struct {50 u64 text_start;51 u64 text_end;52 } sched, lock, traceiter, trace;53 pid_t *current_tid;54 size_t current_tid_sz;55 union { /* Tool specific area */56 void *priv;57 u64 db_id;58 };59 struct machines *machines;60 bool trampolines_mapped;61};62 63/*64 * The main kernel (vmlinux) map65 */66static inline67struct map *machine__kernel_map(struct machine *machine)68{69 return machine->vmlinux_map;70}71 72/*73 * kernel (the one returned by machine__kernel_map()) plus kernel modules maps74 */75static inline76struct maps *machine__kernel_maps(struct machine *machine)77{78 return machine->kmaps;79}80 81int machine__get_kernel_start(struct machine *machine);82 83static inline u64 machine__kernel_start(struct machine *machine)84{85 if (!machine->kernel_start)86 machine__get_kernel_start(machine);87 return machine->kernel_start;88}89 90static inline bool machine__kernel_ip(struct machine *machine, u64 ip)91{92 u64 kernel_start = machine__kernel_start(machine);93 94 return ip >= kernel_start;95}96 97u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr);98 99struct thread *machine__find_thread(struct machine *machine, pid_t pid,100 pid_t tid);101struct thread *machine__idle_thread(struct machine *machine);102struct comm *machine__thread_exec_comm(struct machine *machine,103 struct thread *thread);104 105int machine__process_comm_event(struct machine *machine, union perf_event *event,106 struct perf_sample *sample);107int machine__process_exit_event(struct machine *machine, union perf_event *event,108 struct perf_sample *sample);109int machine__process_fork_event(struct machine *machine, union perf_event *event,110 struct perf_sample *sample);111int machine__process_lost_event(struct machine *machine, union perf_event *event,112 struct perf_sample *sample);113int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,114 struct perf_sample *sample);115int machine__process_aux_event(struct machine *machine,116 union perf_event *event);117int machine__process_itrace_start_event(struct machine *machine,118 union perf_event *event);119int machine__process_aux_output_hw_id_event(struct machine *machine,120 union perf_event *event);121int machine__process_switch_event(struct machine *machine,122 union perf_event *event);123int machine__process_namespaces_event(struct machine *machine,124 union perf_event *event,125 struct perf_sample *sample);126int machine__process_cgroup_event(struct machine *machine,127 union perf_event *event,128 struct perf_sample *sample);129int machine__process_mmap_event(struct machine *machine, union perf_event *event,130 struct perf_sample *sample);131int machine__process_mmap2_event(struct machine *machine, union perf_event *event,132 struct perf_sample *sample);133int machine__process_ksymbol(struct machine *machine,134 union perf_event *event,135 struct perf_sample *sample);136int machine__process_text_poke(struct machine *machine,137 union perf_event *event,138 struct perf_sample *sample);139int machine__process_event(struct machine *machine, union perf_event *event,140 struct perf_sample *sample);141 142typedef void (*machine__process_t)(struct machine *machine, void *data);143 144struct machines {145 struct machine host;146 struct rb_root_cached guests;147};148 149void machines__init(struct machines *machines);150void machines__exit(struct machines *machines);151 152void machines__process_guests(struct machines *machines,153 machine__process_t process, void *data);154 155struct machine *machines__add(struct machines *machines, pid_t pid,156 const char *root_dir);157struct machine *machines__find(struct machines *machines, pid_t pid);158struct machine *machines__findnew(struct machines *machines, pid_t pid);159struct machine *machines__find_guest(struct machines *machines, pid_t pid);160struct thread *machines__findnew_guest_code(struct machines *machines, pid_t pid);161struct thread *machine__findnew_guest_code(struct machine *machine, pid_t pid);162 163void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);164void machines__set_comm_exec(struct machines *machines, bool comm_exec);165 166struct machine *machine__new_host(void);167struct machine *machine__new_kallsyms(void);168int machine__init(struct machine *machine, const char *root_dir, pid_t pid);169void machine__exit(struct machine *machine);170void machine__delete_threads(struct machine *machine);171void machine__delete(struct machine *machine);172void machine__remove_thread(struct machine *machine, struct thread *th);173 174struct branch_info *sample__resolve_bstack(struct perf_sample *sample,175 struct addr_location *al);176struct mem_info *sample__resolve_mem(struct perf_sample *sample,177 struct addr_location *al);178 179struct callchain_cursor;180 181int __thread__resolve_callchain(struct thread *thread,182 struct callchain_cursor *cursor,183 struct evsel *evsel,184 struct perf_sample *sample,185 struct symbol **parent,186 struct addr_location *root_al,187 int max_stack,188 bool symbols);189 190static inline int thread__resolve_callchain(struct thread *thread,191 struct callchain_cursor *cursor,192 struct evsel *evsel,193 struct perf_sample *sample,194 struct symbol **parent,195 struct addr_location *root_al,196 int max_stack)197{198 return __thread__resolve_callchain(thread,199 cursor,200 evsel,201 sample,202 parent,203 root_al,204 max_stack,205 /*symbols=*/true);206}207 208/*209 * Default guest kernel is defined by parameter --guestkallsyms210 * and --guestmodules211 */212static inline bool machine__is_default_guest(struct machine *machine)213{214 return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;215}216 217static inline bool machine__is_host(struct machine *machine)218{219 return machine ? machine->pid == HOST_KERNEL_ID : false;220}221 222bool machine__is_lock_function(struct machine *machine, u64 addr);223bool machine__is(struct machine *machine, const char *arch);224bool machine__normalized_is(struct machine *machine, const char *arch);225int machine__nr_cpus_avail(struct machine *machine);226 227struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);228 229struct dso *machine__findnew_dso_id(struct machine *machine, const char *filename,230 const struct dso_id *id);231struct dso *machine__findnew_dso(struct machine *machine, const char *filename);232 233size_t machine__fprintf(struct machine *machine, FILE *fp);234 235static inline236struct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,237 struct map **mapp)238{239 return maps__find_symbol(machine->kmaps, addr, mapp);240}241 242static inline243struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,244 const char *name,245 struct map **mapp)246{247 return maps__find_symbol_by_name(machine->kmaps, name, mapp);248}249 250int arch__fix_module_text_start(u64 *start, u64 *size, const char *name);251 252int machine__load_kallsyms(struct machine *machine, const char *filename);253 254int machine__load_vmlinux_path(struct machine *machine);255 256size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,257 bool (skip)(struct dso *dso, int parm), int parm);258size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);259size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,260 bool (skip)(struct dso *dso, int parm), int parm);261 262void machine__destroy_kernel_maps(struct machine *machine);263int machine__create_kernel_maps(struct machine *machine);264 265int machines__create_kernel_maps(struct machines *machines, pid_t pid);266int machines__create_guest_kernel_maps(struct machines *machines);267void machines__destroy_kernel_maps(struct machines *machines);268 269size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);270 271typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);272 273int machine__for_each_dso(struct machine *machine, machine__dso_t fn,274 void *priv);275 276typedef int (*machine__map_t)(struct map *map, void *priv);277int machine__for_each_kernel_map(struct machine *machine, machine__map_t fn,278 void *priv);279 280int machine__for_each_thread(struct machine *machine,281 int (*fn)(struct thread *thread, void *p),282 void *priv);283int machines__for_each_thread(struct machines *machines,284 int (*fn)(struct thread *thread, void *p),285 void *priv);286 287struct thread_list {288 struct list_head list;289 struct thread *thread;290};291 292/* Make a list of struct thread_list based on threads in the machine. */293int machine__thread_list(struct machine *machine, struct list_head *list);294/* Free up the nodes within the thread_list list. */295void thread_list__delete(struct list_head *list);296 297pid_t machine__get_current_tid(struct machine *machine, int cpu);298int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,299 pid_t tid);300/*301 * For use with libtraceevent's tep_set_function_resolver()302 */303char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp);304 305void machine__get_kallsyms_filename(struct machine *machine, char *buf,306 size_t bufsz);307 308int machine__create_extra_kernel_maps(struct machine *machine,309 struct dso *kernel);310 311/* Kernel-space maps for symbols that are outside the main kernel map and module maps */312struct extra_kernel_map {313 u64 start;314 u64 end;315 u64 pgoff;316 char name[KMAP_NAME_LEN];317};318 319int machine__create_extra_kernel_map(struct machine *machine,320 struct dso *kernel,321 struct extra_kernel_map *xm);322 323int machine__map_x86_64_entry_trampolines(struct machine *machine,324 struct dso *kernel);325 326int machine__resolve(struct machine *machine, struct addr_location *al,327 struct perf_sample *sample);328 329int machine__hit_all_dsos(struct machine *machine);330 331#endif /* __PERF_MACHINE_H */332