diff options
Diffstat (limited to 'tools/perf/util/machine.h')
| -rw-r--r-- | tools/perf/util/machine.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h new file mode 100644 index 0000000..b7cde74 --- /dev/null +++ b/tools/perf/util/machine.h @@ -0,0 +1,148 @@ +#ifndef __PERF_MACHINE_H +#define __PERF_MACHINE_H + +#include <sys/types.h> +#include <linux/rbtree.h> +#include "map.h" + +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) + +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]; +}; + +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 pid); + +int machine__process_comm_event(struct machine *machine, union perf_event *event); +int machine__process_exit_event(struct machine *machine, union perf_event *event); +int machine__process_fork_event(struct machine *machine, union perf_event *event); +int machine__process_lost_event(struct machine *machine, union perf_event *event); +int machine__process_mmap_event(struct machine *machine, union perf_event *event); +int machine__process_event(struct machine *machine, union perf_event *event); + +typedef void (*machine__process_t)(struct machine *machine, void *data); + +void machines__process(struct rb_root *machines, + machine__process_t process, void *data); + +struct machine *machines__add(struct rb_root *machines, pid_t pid, + const char *root_dir); +struct machine *machines__find_host(struct rb_root *machines); +struct machine *machines__find(struct rb_root *machines, pid_t pid); +struct machine *machines__findnew(struct rb_root *machines, pid_t pid); + +void machines__set_id_hdr_size(struct rb_root *machines, u16 id_hdr_size); +char *machine__mmap_name(struct machine *machine, char *bf, size_t size); + +int machine__init(struct machine *machine, const char *root_dir, pid_t pid); +void machine__exit(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); +int machine__resolve_callchain(struct machine *machine, + struct perf_evsel *evsel, + struct thread *thread, + struct perf_sample *sample, + struct symbol **parent); + +/* + * 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); +void machine__remove_thread(struct machine *machine, struct thread *th); + +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 with_hits); +size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); +size_t machines__fprintf_dsos_buildid(struct rb_root *machines, + FILE *fp, bool with_hits); + +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 rb_root *machines, pid_t pid); +int machines__create_guest_kernel_maps(struct rb_root *machines); +void machines__destroy_guest_kernel_maps(struct rb_root *machines); + +size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); + +#endif /* __PERF_MACHINE_H */ |
