| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __PERF_MACHINE_H |
| #define __PERF_MACHINE_H |
| |
| #include <sys/types.h> |
| #include <linux/rbtree.h> |
| #include "maps.h" |
| #include "dsos.h" |
| #include "rwsem.h" |
| |
| struct addr_location; |
| struct branch_stack; |
| struct dso; |
| struct dso_id; |
| struct evsel; |
| struct perf_sample; |
| struct symbol; |
| struct target; |
| 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; |
| |
| #define THREADS__TABLE_BITS 8 |
| #define THREADS__TABLE_SIZE (1 << THREADS__TABLE_BITS) |
| |
| struct threads { |
| struct rb_root_cached entries; |
| struct rw_semaphore lock; |
| unsigned int nr; |
| struct list_head dead; |
| struct thread *last_match; |
| }; |
| |
| struct machine { |
| struct rb_node rb_node; |
| pid_t pid; |
| u16 id_hdr_size; |
| bool comm_exec; |
| bool kptr_restrict_warned; |
| bool single_address_space; |
| char *root_dir; |
| char *mmap_name; |
| struct threads threads[THREADS__TABLE_SIZE]; |
| struct vdso_info *vdso_info; |
| struct perf_env *env; |
| struct dsos dsos; |
| struct maps kmaps; |
| struct map *vmlinux_map; |
| u64 kernel_start; |
| pid_t *current_tid; |
| union { /* Tool specific area */ |
| void *priv; |
| u64 db_id; |
| }; |
| bool trampolines_mapped; |
| }; |
| |
| static inline struct threads *machine__threads(struct machine *machine, pid_t tid) |
| { |
| /* Cast it to handle tid == -1 */ |
| return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE]; |
| } |
| |
| /* |
| * The main kernel (vmlinux) map |
| */ |
| static inline |
| struct map *machine__kernel_map(struct machine *machine) |
| { |
| return machine->vmlinux_map; |
| } |
| |
| /* |
| * kernel (the one returned by machine__kernel_map()) plus kernel modules maps |
| */ |
| static inline |
| struct maps *machine__kernel_maps(struct machine *machine) |
| { |
| return &machine->kmaps; |
| } |
| |
| 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; |
| } |
| |
| u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr); |
| |
| 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_namespaces_event(struct machine *machine, |
| union perf_event *event, |
| struct perf_sample *sample); |
| int machine__process_cgroup_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_ksymbol(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_cached guests; |
| }; |
| |
| 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); |
| void machines__set_comm_exec(struct machines *machines, bool comm_exec); |
| |
| struct machine *machine__new_host(void); |
| struct machine *machine__new_kallsyms(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); |
| |
| struct callchain_cursor; |
| |
| int thread__resolve_callchain(struct thread *thread, |
| struct callchain_cursor *cursor, |
| struct 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; |
| } |
| |
| bool machine__is(struct machine *machine, const char *arch); |
| int machine__nr_cpus_avail(struct machine *machine); |
| |
| 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_id(struct machine *machine, const char *filename, struct dso_id *id); |
| 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, u64 addr, |
| struct map **mapp) |
| { |
| return maps__find_symbol(&machine->kmaps, addr, mapp); |
| } |
| |
| static inline |
| struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine, |
| const char *name, |
| struct map **mapp) |
| { |
| return maps__find_symbol_by_name(&machine->kmaps, name, mapp); |
| } |
| |
| int arch__fix_module_text_start(u64 *start, u64 *size, const char *name); |
| |
| int machine__load_kallsyms(struct machine *machine, const char *filename); |
| |
| int machine__load_vmlinux_path(struct machine *machine); |
| |
| 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); |
| |
| 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); |
| |
| 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 tep_set_function_resolver() |
| */ |
| char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); |
| |
| void machine__get_kallsyms_filename(struct machine *machine, char *buf, |
| size_t bufsz); |
| |
| int machine__create_extra_kernel_maps(struct machine *machine, |
| struct dso *kernel); |
| |
| /* Kernel-space maps for symbols that are outside the main kernel map and module maps */ |
| struct extra_kernel_map { |
| u64 start; |
| u64 end; |
| u64 pgoff; |
| char name[KMAP_NAME_LEN]; |
| }; |
| |
| int machine__create_extra_kernel_map(struct machine *machine, |
| struct dso *kernel, |
| struct extra_kernel_map *xm); |
| |
| int machine__map_x86_64_entry_trampolines(struct machine *machine, |
| struct dso *kernel); |
| |
| #endif /* __PERF_MACHINE_H */ |