186470930SIngo Molnar /* 286470930SIngo Molnar * builtin-annotate.c 386470930SIngo Molnar * 486470930SIngo Molnar * Builtin annotate command: Analyze the perf.data input file, 586470930SIngo Molnar * look up and read DSOs and symbol information and display 686470930SIngo Molnar * a histogram of results, along various sorting keys. 786470930SIngo Molnar */ 886470930SIngo Molnar #include "builtin.h" 986470930SIngo Molnar 1086470930SIngo Molnar #include "util/util.h" 1186470930SIngo Molnar 1286470930SIngo Molnar #include "util/color.h" 1386470930SIngo Molnar #include "util/list.h" 1486470930SIngo Molnar #include "util/cache.h" 1586470930SIngo Molnar #include "util/rbtree.h" 1686470930SIngo Molnar #include "util/symbol.h" 1786470930SIngo Molnar #include "util/string.h" 1886470930SIngo Molnar 1986470930SIngo Molnar #include "perf.h" 2086470930SIngo Molnar 2186470930SIngo Molnar #include "util/parse-options.h" 2286470930SIngo Molnar #include "util/parse-events.h" 2386470930SIngo Molnar 2486470930SIngo Molnar #define SHOW_KERNEL 1 2586470930SIngo Molnar #define SHOW_USER 2 2686470930SIngo Molnar #define SHOW_HV 4 2786470930SIngo Molnar 28971738f3SFrederic Weisbecker #define MIN_GREEN 0.5 29971738f3SFrederic Weisbecker #define MIN_RED 5.0 30971738f3SFrederic Weisbecker 31971738f3SFrederic Weisbecker 3286470930SIngo Molnar static char const *input_name = "perf.data"; 3339273ee9SIngo Molnar static char *vmlinux = "vmlinux"; 3486470930SIngo Molnar 3586470930SIngo Molnar static char default_sort_order[] = "comm,symbol"; 3686470930SIngo Molnar static char *sort_order = default_sort_order; 3786470930SIngo Molnar 3886470930SIngo Molnar static int input; 3986470930SIngo Molnar static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; 4086470930SIngo Molnar 4186470930SIngo Molnar static int dump_trace = 0; 4286470930SIngo Molnar #define dprintf(x...) do { if (dump_trace) printf(x); } while (0) 4386470930SIngo Molnar 4486470930SIngo Molnar static int verbose; 4586470930SIngo Molnar 46301406b9SFrederic Weisbecker static int print_line; 47301406b9SFrederic Weisbecker 4886470930SIngo Molnar static unsigned long page_size; 4986470930SIngo Molnar static unsigned long mmap_window = 32; 5086470930SIngo Molnar 5186470930SIngo Molnar struct ip_event { 5286470930SIngo Molnar struct perf_event_header header; 539cffa8d5SPaul Mackerras u64 ip; 549cffa8d5SPaul Mackerras u32 pid, tid; 5586470930SIngo Molnar }; 5686470930SIngo Molnar 5786470930SIngo Molnar struct mmap_event { 5886470930SIngo Molnar struct perf_event_header header; 599cffa8d5SPaul Mackerras u32 pid, tid; 609cffa8d5SPaul Mackerras u64 start; 619cffa8d5SPaul Mackerras u64 len; 629cffa8d5SPaul Mackerras u64 pgoff; 6386470930SIngo Molnar char filename[PATH_MAX]; 6486470930SIngo Molnar }; 6586470930SIngo Molnar 6686470930SIngo Molnar struct comm_event { 6786470930SIngo Molnar struct perf_event_header header; 689cffa8d5SPaul Mackerras u32 pid, tid; 6986470930SIngo Molnar char comm[16]; 7086470930SIngo Molnar }; 7186470930SIngo Molnar 7286470930SIngo Molnar struct fork_event { 7386470930SIngo Molnar struct perf_event_header header; 749cffa8d5SPaul Mackerras u32 pid, ppid; 7586470930SIngo Molnar }; 7686470930SIngo Molnar 7786470930SIngo Molnar struct period_event { 7886470930SIngo Molnar struct perf_event_header header; 799cffa8d5SPaul Mackerras u64 time; 809cffa8d5SPaul Mackerras u64 id; 819cffa8d5SPaul Mackerras u64 sample_period; 8286470930SIngo Molnar }; 8386470930SIngo Molnar 8486470930SIngo Molnar typedef union event_union { 8586470930SIngo Molnar struct perf_event_header header; 8686470930SIngo Molnar struct ip_event ip; 8786470930SIngo Molnar struct mmap_event mmap; 8886470930SIngo Molnar struct comm_event comm; 8986470930SIngo Molnar struct fork_event fork; 9086470930SIngo Molnar struct period_event period; 9186470930SIngo Molnar } event_t; 9286470930SIngo Molnar 93301406b9SFrederic Weisbecker 94301406b9SFrederic Weisbecker struct sym_ext { 95971738f3SFrederic Weisbecker struct rb_node node; 96301406b9SFrederic Weisbecker double percent; 97301406b9SFrederic Weisbecker char *path; 98301406b9SFrederic Weisbecker }; 99301406b9SFrederic Weisbecker 10086470930SIngo Molnar static LIST_HEAD(dsos); 10186470930SIngo Molnar static struct dso *kernel_dso; 10286470930SIngo Molnar static struct dso *vdso; 10386470930SIngo Molnar 10486470930SIngo Molnar 10586470930SIngo Molnar static void dsos__add(struct dso *dso) 10686470930SIngo Molnar { 10786470930SIngo Molnar list_add_tail(&dso->node, &dsos); 10886470930SIngo Molnar } 10986470930SIngo Molnar 11086470930SIngo Molnar static struct dso *dsos__find(const char *name) 11186470930SIngo Molnar { 11286470930SIngo Molnar struct dso *pos; 11386470930SIngo Molnar 11486470930SIngo Molnar list_for_each_entry(pos, &dsos, node) 11586470930SIngo Molnar if (strcmp(pos->name, name) == 0) 11686470930SIngo Molnar return pos; 11786470930SIngo Molnar return NULL; 11886470930SIngo Molnar } 11986470930SIngo Molnar 12086470930SIngo Molnar static struct dso *dsos__findnew(const char *name) 12186470930SIngo Molnar { 12286470930SIngo Molnar struct dso *dso = dsos__find(name); 12386470930SIngo Molnar int nr; 12486470930SIngo Molnar 12586470930SIngo Molnar if (dso) 12686470930SIngo Molnar return dso; 12786470930SIngo Molnar 12886470930SIngo Molnar dso = dso__new(name, 0); 12986470930SIngo Molnar if (!dso) 13086470930SIngo Molnar goto out_delete_dso; 13186470930SIngo Molnar 13286470930SIngo Molnar nr = dso__load(dso, NULL, verbose); 13386470930SIngo Molnar if (nr < 0) { 13486470930SIngo Molnar if (verbose) 13586470930SIngo Molnar fprintf(stderr, "Failed to open: %s\n", name); 13686470930SIngo Molnar goto out_delete_dso; 13786470930SIngo Molnar } 13886470930SIngo Molnar if (!nr && verbose) { 13986470930SIngo Molnar fprintf(stderr, 14086470930SIngo Molnar "No symbols found in: %s, maybe install a debug package?\n", 14186470930SIngo Molnar name); 14286470930SIngo Molnar } 14386470930SIngo Molnar 14486470930SIngo Molnar dsos__add(dso); 14586470930SIngo Molnar 14686470930SIngo Molnar return dso; 14786470930SIngo Molnar 14886470930SIngo Molnar out_delete_dso: 14986470930SIngo Molnar dso__delete(dso); 15086470930SIngo Molnar return NULL; 15186470930SIngo Molnar } 15286470930SIngo Molnar 15386470930SIngo Molnar static void dsos__fprintf(FILE *fp) 15486470930SIngo Molnar { 15586470930SIngo Molnar struct dso *pos; 15686470930SIngo Molnar 15786470930SIngo Molnar list_for_each_entry(pos, &dsos, node) 15886470930SIngo Molnar dso__fprintf(pos, fp); 15986470930SIngo Molnar } 16086470930SIngo Molnar 1619cffa8d5SPaul Mackerras static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip) 16286470930SIngo Molnar { 16386470930SIngo Molnar return dso__find_symbol(kernel_dso, ip); 16486470930SIngo Molnar } 16586470930SIngo Molnar 16686470930SIngo Molnar static int load_kernel(void) 16786470930SIngo Molnar { 16886470930SIngo Molnar int err; 16986470930SIngo Molnar 17086470930SIngo Molnar kernel_dso = dso__new("[kernel]", 0); 17186470930SIngo Molnar if (!kernel_dso) 17286470930SIngo Molnar return -1; 17386470930SIngo Molnar 17486470930SIngo Molnar err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose); 17586470930SIngo Molnar if (err) { 17686470930SIngo Molnar dso__delete(kernel_dso); 17786470930SIngo Molnar kernel_dso = NULL; 17886470930SIngo Molnar } else 17986470930SIngo Molnar dsos__add(kernel_dso); 18086470930SIngo Molnar 18186470930SIngo Molnar vdso = dso__new("[vdso]", 0); 18286470930SIngo Molnar if (!vdso) 18386470930SIngo Molnar return -1; 18486470930SIngo Molnar 18586470930SIngo Molnar vdso->find_symbol = vdso__find_symbol; 18686470930SIngo Molnar 18786470930SIngo Molnar dsos__add(vdso); 18886470930SIngo Molnar 18986470930SIngo Molnar return err; 19086470930SIngo Molnar } 19186470930SIngo Molnar 19286470930SIngo Molnar struct map { 19386470930SIngo Molnar struct list_head node; 1949cffa8d5SPaul Mackerras u64 start; 1959cffa8d5SPaul Mackerras u64 end; 1969cffa8d5SPaul Mackerras u64 pgoff; 1979cffa8d5SPaul Mackerras u64 (*map_ip)(struct map *, u64); 19886470930SIngo Molnar struct dso *dso; 19986470930SIngo Molnar }; 20086470930SIngo Molnar 2019cffa8d5SPaul Mackerras static u64 map__map_ip(struct map *map, u64 ip) 20286470930SIngo Molnar { 20386470930SIngo Molnar return ip - map->start + map->pgoff; 20486470930SIngo Molnar } 20586470930SIngo Molnar 2069cffa8d5SPaul Mackerras static u64 vdso__map_ip(struct map *map, u64 ip) 20786470930SIngo Molnar { 20886470930SIngo Molnar return ip; 20986470930SIngo Molnar } 21086470930SIngo Molnar 21186470930SIngo Molnar static struct map *map__new(struct mmap_event *event) 21286470930SIngo Molnar { 21386470930SIngo Molnar struct map *self = malloc(sizeof(*self)); 21486470930SIngo Molnar 21586470930SIngo Molnar if (self != NULL) { 21686470930SIngo Molnar const char *filename = event->filename; 21786470930SIngo Molnar 21886470930SIngo Molnar self->start = event->start; 21986470930SIngo Molnar self->end = event->start + event->len; 22086470930SIngo Molnar self->pgoff = event->pgoff; 22186470930SIngo Molnar 22286470930SIngo Molnar self->dso = dsos__findnew(filename); 22386470930SIngo Molnar if (self->dso == NULL) 22486470930SIngo Molnar goto out_delete; 22586470930SIngo Molnar 22686470930SIngo Molnar if (self->dso == vdso) 22786470930SIngo Molnar self->map_ip = vdso__map_ip; 22886470930SIngo Molnar else 22986470930SIngo Molnar self->map_ip = map__map_ip; 23086470930SIngo Molnar } 23186470930SIngo Molnar return self; 23286470930SIngo Molnar out_delete: 23386470930SIngo Molnar free(self); 23486470930SIngo Molnar return NULL; 23586470930SIngo Molnar } 23686470930SIngo Molnar 23786470930SIngo Molnar static struct map *map__clone(struct map *self) 23886470930SIngo Molnar { 23986470930SIngo Molnar struct map *map = malloc(sizeof(*self)); 24086470930SIngo Molnar 24186470930SIngo Molnar if (!map) 24286470930SIngo Molnar return NULL; 24386470930SIngo Molnar 24486470930SIngo Molnar memcpy(map, self, sizeof(*self)); 24586470930SIngo Molnar 24686470930SIngo Molnar return map; 24786470930SIngo Molnar } 24886470930SIngo Molnar 24986470930SIngo Molnar static int map__overlap(struct map *l, struct map *r) 25086470930SIngo Molnar { 25186470930SIngo Molnar if (l->start > r->start) { 25286470930SIngo Molnar struct map *t = l; 25386470930SIngo Molnar l = r; 25486470930SIngo Molnar r = t; 25586470930SIngo Molnar } 25686470930SIngo Molnar 25786470930SIngo Molnar if (l->end > r->start) 25886470930SIngo Molnar return 1; 25986470930SIngo Molnar 26086470930SIngo Molnar return 0; 26186470930SIngo Molnar } 26286470930SIngo Molnar 26386470930SIngo Molnar static size_t map__fprintf(struct map *self, FILE *fp) 26486470930SIngo Molnar { 265729ff5e2SIngo Molnar return fprintf(fp, " %Lx-%Lx %Lx %s\n", 26686470930SIngo Molnar self->start, self->end, self->pgoff, self->dso->name); 26786470930SIngo Molnar } 26886470930SIngo Molnar 26986470930SIngo Molnar 27086470930SIngo Molnar struct thread { 27186470930SIngo Molnar struct rb_node rb_node; 27286470930SIngo Molnar struct list_head maps; 27386470930SIngo Molnar pid_t pid; 27486470930SIngo Molnar char *comm; 27586470930SIngo Molnar }; 27686470930SIngo Molnar 27786470930SIngo Molnar static struct thread *thread__new(pid_t pid) 27886470930SIngo Molnar { 27986470930SIngo Molnar struct thread *self = malloc(sizeof(*self)); 28086470930SIngo Molnar 28186470930SIngo Molnar if (self != NULL) { 28286470930SIngo Molnar self->pid = pid; 28386470930SIngo Molnar self->comm = malloc(32); 28486470930SIngo Molnar if (self->comm) 28586470930SIngo Molnar snprintf(self->comm, 32, ":%d", self->pid); 28686470930SIngo Molnar INIT_LIST_HEAD(&self->maps); 28786470930SIngo Molnar } 28886470930SIngo Molnar 28986470930SIngo Molnar return self; 29086470930SIngo Molnar } 29186470930SIngo Molnar 29286470930SIngo Molnar static int thread__set_comm(struct thread *self, const char *comm) 29386470930SIngo Molnar { 29486470930SIngo Molnar if (self->comm) 29586470930SIngo Molnar free(self->comm); 29686470930SIngo Molnar self->comm = strdup(comm); 29786470930SIngo Molnar return self->comm ? 0 : -ENOMEM; 29886470930SIngo Molnar } 29986470930SIngo Molnar 30086470930SIngo Molnar static size_t thread__fprintf(struct thread *self, FILE *fp) 30186470930SIngo Molnar { 30286470930SIngo Molnar struct map *pos; 30386470930SIngo Molnar size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); 30486470930SIngo Molnar 30586470930SIngo Molnar list_for_each_entry(pos, &self->maps, node) 30686470930SIngo Molnar ret += map__fprintf(pos, fp); 30786470930SIngo Molnar 30886470930SIngo Molnar return ret; 30986470930SIngo Molnar } 31086470930SIngo Molnar 31186470930SIngo Molnar 31286470930SIngo Molnar static struct rb_root threads; 31386470930SIngo Molnar static struct thread *last_match; 31486470930SIngo Molnar 31586470930SIngo Molnar static struct thread *threads__findnew(pid_t pid) 31686470930SIngo Molnar { 31786470930SIngo Molnar struct rb_node **p = &threads.rb_node; 31886470930SIngo Molnar struct rb_node *parent = NULL; 31986470930SIngo Molnar struct thread *th; 32086470930SIngo Molnar 32186470930SIngo Molnar /* 32286470930SIngo Molnar * Font-end cache - PID lookups come in blocks, 32386470930SIngo Molnar * so most of the time we dont have to look up 32486470930SIngo Molnar * the full rbtree: 32586470930SIngo Molnar */ 32686470930SIngo Molnar if (last_match && last_match->pid == pid) 32786470930SIngo Molnar return last_match; 32886470930SIngo Molnar 32986470930SIngo Molnar while (*p != NULL) { 33086470930SIngo Molnar parent = *p; 33186470930SIngo Molnar th = rb_entry(parent, struct thread, rb_node); 33286470930SIngo Molnar 33386470930SIngo Molnar if (th->pid == pid) { 33486470930SIngo Molnar last_match = th; 33586470930SIngo Molnar return th; 33686470930SIngo Molnar } 33786470930SIngo Molnar 33886470930SIngo Molnar if (pid < th->pid) 33986470930SIngo Molnar p = &(*p)->rb_left; 34086470930SIngo Molnar else 34186470930SIngo Molnar p = &(*p)->rb_right; 34286470930SIngo Molnar } 34386470930SIngo Molnar 34486470930SIngo Molnar th = thread__new(pid); 34586470930SIngo Molnar if (th != NULL) { 34686470930SIngo Molnar rb_link_node(&th->rb_node, parent, p); 34786470930SIngo Molnar rb_insert_color(&th->rb_node, &threads); 34886470930SIngo Molnar last_match = th; 34986470930SIngo Molnar } 35086470930SIngo Molnar 35186470930SIngo Molnar return th; 35286470930SIngo Molnar } 35386470930SIngo Molnar 35486470930SIngo Molnar static void thread__insert_map(struct thread *self, struct map *map) 35586470930SIngo Molnar { 35686470930SIngo Molnar struct map *pos, *tmp; 35786470930SIngo Molnar 35886470930SIngo Molnar list_for_each_entry_safe(pos, tmp, &self->maps, node) { 35986470930SIngo Molnar if (map__overlap(pos, map)) { 36086470930SIngo Molnar list_del_init(&pos->node); 36186470930SIngo Molnar /* XXX leaks dsos */ 36286470930SIngo Molnar free(pos); 36386470930SIngo Molnar } 36486470930SIngo Molnar } 36586470930SIngo Molnar 36686470930SIngo Molnar list_add_tail(&map->node, &self->maps); 36786470930SIngo Molnar } 36886470930SIngo Molnar 36986470930SIngo Molnar static int thread__fork(struct thread *self, struct thread *parent) 37086470930SIngo Molnar { 37186470930SIngo Molnar struct map *map; 37286470930SIngo Molnar 37386470930SIngo Molnar if (self->comm) 37486470930SIngo Molnar free(self->comm); 37586470930SIngo Molnar self->comm = strdup(parent->comm); 37686470930SIngo Molnar if (!self->comm) 37786470930SIngo Molnar return -ENOMEM; 37886470930SIngo Molnar 37986470930SIngo Molnar list_for_each_entry(map, &parent->maps, node) { 38086470930SIngo Molnar struct map *new = map__clone(map); 38186470930SIngo Molnar if (!new) 38286470930SIngo Molnar return -ENOMEM; 38386470930SIngo Molnar thread__insert_map(self, new); 38486470930SIngo Molnar } 38586470930SIngo Molnar 38686470930SIngo Molnar return 0; 38786470930SIngo Molnar } 38886470930SIngo Molnar 3899cffa8d5SPaul Mackerras static struct map *thread__find_map(struct thread *self, u64 ip) 39086470930SIngo Molnar { 39186470930SIngo Molnar struct map *pos; 39286470930SIngo Molnar 39386470930SIngo Molnar if (self == NULL) 39486470930SIngo Molnar return NULL; 39586470930SIngo Molnar 39686470930SIngo Molnar list_for_each_entry(pos, &self->maps, node) 39786470930SIngo Molnar if (ip >= pos->start && ip <= pos->end) 39886470930SIngo Molnar return pos; 39986470930SIngo Molnar 40086470930SIngo Molnar return NULL; 40186470930SIngo Molnar } 40286470930SIngo Molnar 40386470930SIngo Molnar static size_t threads__fprintf(FILE *fp) 40486470930SIngo Molnar { 40586470930SIngo Molnar size_t ret = 0; 40686470930SIngo Molnar struct rb_node *nd; 40786470930SIngo Molnar 40886470930SIngo Molnar for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { 40986470930SIngo Molnar struct thread *pos = rb_entry(nd, struct thread, rb_node); 41086470930SIngo Molnar 41186470930SIngo Molnar ret += thread__fprintf(pos, fp); 41286470930SIngo Molnar } 41386470930SIngo Molnar 41486470930SIngo Molnar return ret; 41586470930SIngo Molnar } 41686470930SIngo Molnar 41786470930SIngo Molnar /* 41886470930SIngo Molnar * histogram, sorted on item, collects counts 41986470930SIngo Molnar */ 42086470930SIngo Molnar 42186470930SIngo Molnar static struct rb_root hist; 42286470930SIngo Molnar 42386470930SIngo Molnar struct hist_entry { 42486470930SIngo Molnar struct rb_node rb_node; 42586470930SIngo Molnar 42686470930SIngo Molnar struct thread *thread; 42786470930SIngo Molnar struct map *map; 42886470930SIngo Molnar struct dso *dso; 42986470930SIngo Molnar struct symbol *sym; 4309cffa8d5SPaul Mackerras u64 ip; 43186470930SIngo Molnar char level; 43286470930SIngo Molnar 43386470930SIngo Molnar uint32_t count; 43486470930SIngo Molnar }; 43586470930SIngo Molnar 43686470930SIngo Molnar /* 43786470930SIngo Molnar * configurable sorting bits 43886470930SIngo Molnar */ 43986470930SIngo Molnar 44086470930SIngo Molnar struct sort_entry { 44186470930SIngo Molnar struct list_head list; 44286470930SIngo Molnar 44386470930SIngo Molnar char *header; 44486470930SIngo Molnar 44586470930SIngo Molnar int64_t (*cmp)(struct hist_entry *, struct hist_entry *); 44686470930SIngo Molnar int64_t (*collapse)(struct hist_entry *, struct hist_entry *); 44786470930SIngo Molnar size_t (*print)(FILE *fp, struct hist_entry *); 44886470930SIngo Molnar }; 44986470930SIngo Molnar 45086470930SIngo Molnar /* --sort pid */ 45186470930SIngo Molnar 45286470930SIngo Molnar static int64_t 45386470930SIngo Molnar sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) 45486470930SIngo Molnar { 45586470930SIngo Molnar return right->thread->pid - left->thread->pid; 45686470930SIngo Molnar } 45786470930SIngo Molnar 45886470930SIngo Molnar static size_t 45986470930SIngo Molnar sort__thread_print(FILE *fp, struct hist_entry *self) 46086470930SIngo Molnar { 46186470930SIngo Molnar return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); 46286470930SIngo Molnar } 46386470930SIngo Molnar 46486470930SIngo Molnar static struct sort_entry sort_thread = { 46586470930SIngo Molnar .header = " Command: Pid", 46686470930SIngo Molnar .cmp = sort__thread_cmp, 46786470930SIngo Molnar .print = sort__thread_print, 46886470930SIngo Molnar }; 46986470930SIngo Molnar 47086470930SIngo Molnar /* --sort comm */ 47186470930SIngo Molnar 47286470930SIngo Molnar static int64_t 47386470930SIngo Molnar sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) 47486470930SIngo Molnar { 47586470930SIngo Molnar return right->thread->pid - left->thread->pid; 47686470930SIngo Molnar } 47786470930SIngo Molnar 47886470930SIngo Molnar static int64_t 47986470930SIngo Molnar sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) 48086470930SIngo Molnar { 48186470930SIngo Molnar char *comm_l = left->thread->comm; 48286470930SIngo Molnar char *comm_r = right->thread->comm; 48386470930SIngo Molnar 48486470930SIngo Molnar if (!comm_l || !comm_r) { 48586470930SIngo Molnar if (!comm_l && !comm_r) 48686470930SIngo Molnar return 0; 48786470930SIngo Molnar else if (!comm_l) 48886470930SIngo Molnar return -1; 48986470930SIngo Molnar else 49086470930SIngo Molnar return 1; 49186470930SIngo Molnar } 49286470930SIngo Molnar 49386470930SIngo Molnar return strcmp(comm_l, comm_r); 49486470930SIngo Molnar } 49586470930SIngo Molnar 49686470930SIngo Molnar static size_t 49786470930SIngo Molnar sort__comm_print(FILE *fp, struct hist_entry *self) 49886470930SIngo Molnar { 49986470930SIngo Molnar return fprintf(fp, "%16s", self->thread->comm); 50086470930SIngo Molnar } 50186470930SIngo Molnar 50286470930SIngo Molnar static struct sort_entry sort_comm = { 50386470930SIngo Molnar .header = " Command", 50486470930SIngo Molnar .cmp = sort__comm_cmp, 50586470930SIngo Molnar .collapse = sort__comm_collapse, 50686470930SIngo Molnar .print = sort__comm_print, 50786470930SIngo Molnar }; 50886470930SIngo Molnar 50986470930SIngo Molnar /* --sort dso */ 51086470930SIngo Molnar 51186470930SIngo Molnar static int64_t 51286470930SIngo Molnar sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) 51386470930SIngo Molnar { 51486470930SIngo Molnar struct dso *dso_l = left->dso; 51586470930SIngo Molnar struct dso *dso_r = right->dso; 51686470930SIngo Molnar 51786470930SIngo Molnar if (!dso_l || !dso_r) { 51886470930SIngo Molnar if (!dso_l && !dso_r) 51986470930SIngo Molnar return 0; 52086470930SIngo Molnar else if (!dso_l) 52186470930SIngo Molnar return -1; 52286470930SIngo Molnar else 52386470930SIngo Molnar return 1; 52486470930SIngo Molnar } 52586470930SIngo Molnar 52686470930SIngo Molnar return strcmp(dso_l->name, dso_r->name); 52786470930SIngo Molnar } 52886470930SIngo Molnar 52986470930SIngo Molnar static size_t 53086470930SIngo Molnar sort__dso_print(FILE *fp, struct hist_entry *self) 53186470930SIngo Molnar { 53286470930SIngo Molnar if (self->dso) 53386470930SIngo Molnar return fprintf(fp, "%-25s", self->dso->name); 53486470930SIngo Molnar 5359cffa8d5SPaul Mackerras return fprintf(fp, "%016llx ", (u64)self->ip); 53686470930SIngo Molnar } 53786470930SIngo Molnar 53886470930SIngo Molnar static struct sort_entry sort_dso = { 53986470930SIngo Molnar .header = "Shared Object ", 54086470930SIngo Molnar .cmp = sort__dso_cmp, 54186470930SIngo Molnar .print = sort__dso_print, 54286470930SIngo Molnar }; 54386470930SIngo Molnar 54486470930SIngo Molnar /* --sort symbol */ 54586470930SIngo Molnar 54686470930SIngo Molnar static int64_t 54786470930SIngo Molnar sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) 54886470930SIngo Molnar { 5499cffa8d5SPaul Mackerras u64 ip_l, ip_r; 55086470930SIngo Molnar 55186470930SIngo Molnar if (left->sym == right->sym) 55286470930SIngo Molnar return 0; 55386470930SIngo Molnar 55486470930SIngo Molnar ip_l = left->sym ? left->sym->start : left->ip; 55586470930SIngo Molnar ip_r = right->sym ? right->sym->start : right->ip; 55686470930SIngo Molnar 55786470930SIngo Molnar return (int64_t)(ip_r - ip_l); 55886470930SIngo Molnar } 55986470930SIngo Molnar 56086470930SIngo Molnar static size_t 56186470930SIngo Molnar sort__sym_print(FILE *fp, struct hist_entry *self) 56286470930SIngo Molnar { 56386470930SIngo Molnar size_t ret = 0; 56486470930SIngo Molnar 56586470930SIngo Molnar if (verbose) 5669cffa8d5SPaul Mackerras ret += fprintf(fp, "%#018llx ", (u64)self->ip); 56786470930SIngo Molnar 56886470930SIngo Molnar if (self->sym) { 56986470930SIngo Molnar ret += fprintf(fp, "[%c] %s", 57086470930SIngo Molnar self->dso == kernel_dso ? 'k' : '.', self->sym->name); 57186470930SIngo Molnar } else { 5729cffa8d5SPaul Mackerras ret += fprintf(fp, "%#016llx", (u64)self->ip); 57386470930SIngo Molnar } 57486470930SIngo Molnar 57586470930SIngo Molnar return ret; 57686470930SIngo Molnar } 57786470930SIngo Molnar 57886470930SIngo Molnar static struct sort_entry sort_sym = { 57986470930SIngo Molnar .header = "Symbol", 58086470930SIngo Molnar .cmp = sort__sym_cmp, 58186470930SIngo Molnar .print = sort__sym_print, 58286470930SIngo Molnar }; 58386470930SIngo Molnar 58486470930SIngo Molnar static int sort__need_collapse = 0; 58586470930SIngo Molnar 58686470930SIngo Molnar struct sort_dimension { 58786470930SIngo Molnar char *name; 58886470930SIngo Molnar struct sort_entry *entry; 58986470930SIngo Molnar int taken; 59086470930SIngo Molnar }; 59186470930SIngo Molnar 59286470930SIngo Molnar static struct sort_dimension sort_dimensions[] = { 59386470930SIngo Molnar { .name = "pid", .entry = &sort_thread, }, 59486470930SIngo Molnar { .name = "comm", .entry = &sort_comm, }, 59586470930SIngo Molnar { .name = "dso", .entry = &sort_dso, }, 59686470930SIngo Molnar { .name = "symbol", .entry = &sort_sym, }, 59786470930SIngo Molnar }; 59886470930SIngo Molnar 59986470930SIngo Molnar static LIST_HEAD(hist_entry__sort_list); 60086470930SIngo Molnar 60186470930SIngo Molnar static int sort_dimension__add(char *tok) 60286470930SIngo Molnar { 60386470930SIngo Molnar int i; 60486470930SIngo Molnar 60586470930SIngo Molnar for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { 60686470930SIngo Molnar struct sort_dimension *sd = &sort_dimensions[i]; 60786470930SIngo Molnar 60886470930SIngo Molnar if (sd->taken) 60986470930SIngo Molnar continue; 61086470930SIngo Molnar 61186470930SIngo Molnar if (strncasecmp(tok, sd->name, strlen(tok))) 61286470930SIngo Molnar continue; 61386470930SIngo Molnar 61486470930SIngo Molnar if (sd->entry->collapse) 61586470930SIngo Molnar sort__need_collapse = 1; 61686470930SIngo Molnar 61786470930SIngo Molnar list_add_tail(&sd->entry->list, &hist_entry__sort_list); 61886470930SIngo Molnar sd->taken = 1; 61986470930SIngo Molnar 62086470930SIngo Molnar return 0; 62186470930SIngo Molnar } 62286470930SIngo Molnar 62386470930SIngo Molnar return -ESRCH; 62486470930SIngo Molnar } 62586470930SIngo Molnar 62686470930SIngo Molnar static int64_t 62786470930SIngo Molnar hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) 62886470930SIngo Molnar { 62986470930SIngo Molnar struct sort_entry *se; 63086470930SIngo Molnar int64_t cmp = 0; 63186470930SIngo Molnar 63286470930SIngo Molnar list_for_each_entry(se, &hist_entry__sort_list, list) { 63386470930SIngo Molnar cmp = se->cmp(left, right); 63486470930SIngo Molnar if (cmp) 63586470930SIngo Molnar break; 63686470930SIngo Molnar } 63786470930SIngo Molnar 63886470930SIngo Molnar return cmp; 63986470930SIngo Molnar } 64086470930SIngo Molnar 64186470930SIngo Molnar static int64_t 64286470930SIngo Molnar hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) 64386470930SIngo Molnar { 64486470930SIngo Molnar struct sort_entry *se; 64586470930SIngo Molnar int64_t cmp = 0; 64686470930SIngo Molnar 64786470930SIngo Molnar list_for_each_entry(se, &hist_entry__sort_list, list) { 64886470930SIngo Molnar int64_t (*f)(struct hist_entry *, struct hist_entry *); 64986470930SIngo Molnar 65086470930SIngo Molnar f = se->collapse ?: se->cmp; 65186470930SIngo Molnar 65286470930SIngo Molnar cmp = f(left, right); 65386470930SIngo Molnar if (cmp) 65486470930SIngo Molnar break; 65586470930SIngo Molnar } 65686470930SIngo Molnar 65786470930SIngo Molnar return cmp; 65886470930SIngo Molnar } 65986470930SIngo Molnar 66086470930SIngo Molnar /* 66186470930SIngo Molnar * collect histogram counts 66286470930SIngo Molnar */ 6639cffa8d5SPaul Mackerras static void hist_hit(struct hist_entry *he, u64 ip) 66486470930SIngo Molnar { 66586470930SIngo Molnar unsigned int sym_size, offset; 66686470930SIngo Molnar struct symbol *sym = he->sym; 66786470930SIngo Molnar 66886470930SIngo Molnar he->count++; 66986470930SIngo Molnar 67086470930SIngo Molnar if (!sym || !sym->hist) 67186470930SIngo Molnar return; 67286470930SIngo Molnar 67386470930SIngo Molnar sym_size = sym->end - sym->start; 67486470930SIngo Molnar offset = ip - sym->start; 67586470930SIngo Molnar 67686470930SIngo Molnar if (offset >= sym_size) 67786470930SIngo Molnar return; 67886470930SIngo Molnar 67986470930SIngo Molnar sym->hist_sum++; 68086470930SIngo Molnar sym->hist[offset]++; 68186470930SIngo Molnar 68286470930SIngo Molnar if (verbose >= 3) 68386470930SIngo Molnar printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", 6847d37a0cbSArjan van de Ven (void *)(unsigned long)he->sym->start, 68586470930SIngo Molnar he->sym->name, 6867d37a0cbSArjan van de Ven (void *)(unsigned long)ip, ip - he->sym->start, 68786470930SIngo Molnar sym->hist[offset]); 68886470930SIngo Molnar } 68986470930SIngo Molnar 69086470930SIngo Molnar static int 69186470930SIngo Molnar hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, 6929cffa8d5SPaul Mackerras struct symbol *sym, u64 ip, char level) 69386470930SIngo Molnar { 69486470930SIngo Molnar struct rb_node **p = &hist.rb_node; 69586470930SIngo Molnar struct rb_node *parent = NULL; 69686470930SIngo Molnar struct hist_entry *he; 69786470930SIngo Molnar struct hist_entry entry = { 69886470930SIngo Molnar .thread = thread, 69986470930SIngo Molnar .map = map, 70086470930SIngo Molnar .dso = dso, 70186470930SIngo Molnar .sym = sym, 70286470930SIngo Molnar .ip = ip, 70386470930SIngo Molnar .level = level, 70486470930SIngo Molnar .count = 1, 70586470930SIngo Molnar }; 70686470930SIngo Molnar int cmp; 70786470930SIngo Molnar 70886470930SIngo Molnar while (*p != NULL) { 70986470930SIngo Molnar parent = *p; 71086470930SIngo Molnar he = rb_entry(parent, struct hist_entry, rb_node); 71186470930SIngo Molnar 71286470930SIngo Molnar cmp = hist_entry__cmp(&entry, he); 71386470930SIngo Molnar 71486470930SIngo Molnar if (!cmp) { 71586470930SIngo Molnar hist_hit(he, ip); 71686470930SIngo Molnar 71786470930SIngo Molnar return 0; 71886470930SIngo Molnar } 71986470930SIngo Molnar 72086470930SIngo Molnar if (cmp < 0) 72186470930SIngo Molnar p = &(*p)->rb_left; 72286470930SIngo Molnar else 72386470930SIngo Molnar p = &(*p)->rb_right; 72486470930SIngo Molnar } 72586470930SIngo Molnar 72686470930SIngo Molnar he = malloc(sizeof(*he)); 72786470930SIngo Molnar if (!he) 72886470930SIngo Molnar return -ENOMEM; 72986470930SIngo Molnar *he = entry; 73086470930SIngo Molnar rb_link_node(&he->rb_node, parent, p); 73186470930SIngo Molnar rb_insert_color(&he->rb_node, &hist); 73286470930SIngo Molnar 73386470930SIngo Molnar return 0; 73486470930SIngo Molnar } 73586470930SIngo Molnar 73686470930SIngo Molnar static void hist_entry__free(struct hist_entry *he) 73786470930SIngo Molnar { 73886470930SIngo Molnar free(he); 73986470930SIngo Molnar } 74086470930SIngo Molnar 74186470930SIngo Molnar /* 74286470930SIngo Molnar * collapse the histogram 74386470930SIngo Molnar */ 74486470930SIngo Molnar 74586470930SIngo Molnar static struct rb_root collapse_hists; 74686470930SIngo Molnar 74786470930SIngo Molnar static void collapse__insert_entry(struct hist_entry *he) 74886470930SIngo Molnar { 74986470930SIngo Molnar struct rb_node **p = &collapse_hists.rb_node; 75086470930SIngo Molnar struct rb_node *parent = NULL; 75186470930SIngo Molnar struct hist_entry *iter; 75286470930SIngo Molnar int64_t cmp; 75386470930SIngo Molnar 75486470930SIngo Molnar while (*p != NULL) { 75586470930SIngo Molnar parent = *p; 75686470930SIngo Molnar iter = rb_entry(parent, struct hist_entry, rb_node); 75786470930SIngo Molnar 75886470930SIngo Molnar cmp = hist_entry__collapse(iter, he); 75986470930SIngo Molnar 76086470930SIngo Molnar if (!cmp) { 76186470930SIngo Molnar iter->count += he->count; 76286470930SIngo Molnar hist_entry__free(he); 76386470930SIngo Molnar return; 76486470930SIngo Molnar } 76586470930SIngo Molnar 76686470930SIngo Molnar if (cmp < 0) 76786470930SIngo Molnar p = &(*p)->rb_left; 76886470930SIngo Molnar else 76986470930SIngo Molnar p = &(*p)->rb_right; 77086470930SIngo Molnar } 77186470930SIngo Molnar 77286470930SIngo Molnar rb_link_node(&he->rb_node, parent, p); 77386470930SIngo Molnar rb_insert_color(&he->rb_node, &collapse_hists); 77486470930SIngo Molnar } 77586470930SIngo Molnar 77686470930SIngo Molnar static void collapse__resort(void) 77786470930SIngo Molnar { 77886470930SIngo Molnar struct rb_node *next; 77986470930SIngo Molnar struct hist_entry *n; 78086470930SIngo Molnar 78186470930SIngo Molnar if (!sort__need_collapse) 78286470930SIngo Molnar return; 78386470930SIngo Molnar 78486470930SIngo Molnar next = rb_first(&hist); 78586470930SIngo Molnar while (next) { 78686470930SIngo Molnar n = rb_entry(next, struct hist_entry, rb_node); 78786470930SIngo Molnar next = rb_next(&n->rb_node); 78886470930SIngo Molnar 78986470930SIngo Molnar rb_erase(&n->rb_node, &hist); 79086470930SIngo Molnar collapse__insert_entry(n); 79186470930SIngo Molnar } 79286470930SIngo Molnar } 79386470930SIngo Molnar 79486470930SIngo Molnar /* 79586470930SIngo Molnar * reverse the map, sort on count. 79686470930SIngo Molnar */ 79786470930SIngo Molnar 79886470930SIngo Molnar static struct rb_root output_hists; 79986470930SIngo Molnar 80086470930SIngo Molnar static void output__insert_entry(struct hist_entry *he) 80186470930SIngo Molnar { 80286470930SIngo Molnar struct rb_node **p = &output_hists.rb_node; 80386470930SIngo Molnar struct rb_node *parent = NULL; 80486470930SIngo Molnar struct hist_entry *iter; 80586470930SIngo Molnar 80686470930SIngo Molnar while (*p != NULL) { 80786470930SIngo Molnar parent = *p; 80886470930SIngo Molnar iter = rb_entry(parent, struct hist_entry, rb_node); 80986470930SIngo Molnar 81086470930SIngo Molnar if (he->count > iter->count) 81186470930SIngo Molnar p = &(*p)->rb_left; 81286470930SIngo Molnar else 81386470930SIngo Molnar p = &(*p)->rb_right; 81486470930SIngo Molnar } 81586470930SIngo Molnar 81686470930SIngo Molnar rb_link_node(&he->rb_node, parent, p); 81786470930SIngo Molnar rb_insert_color(&he->rb_node, &output_hists); 81886470930SIngo Molnar } 81986470930SIngo Molnar 82086470930SIngo Molnar static void output__resort(void) 82186470930SIngo Molnar { 82286470930SIngo Molnar struct rb_node *next; 82386470930SIngo Molnar struct hist_entry *n; 82486470930SIngo Molnar struct rb_root *tree = &hist; 82586470930SIngo Molnar 82686470930SIngo Molnar if (sort__need_collapse) 82786470930SIngo Molnar tree = &collapse_hists; 82886470930SIngo Molnar 82986470930SIngo Molnar next = rb_first(tree); 83086470930SIngo Molnar 83186470930SIngo Molnar while (next) { 83286470930SIngo Molnar n = rb_entry(next, struct hist_entry, rb_node); 83386470930SIngo Molnar next = rb_next(&n->rb_node); 83486470930SIngo Molnar 83586470930SIngo Molnar rb_erase(&n->rb_node, tree); 83686470930SIngo Molnar output__insert_entry(n); 83786470930SIngo Molnar } 83886470930SIngo Molnar } 83986470930SIngo Molnar 84086470930SIngo Molnar static void register_idle_thread(void) 84186470930SIngo Molnar { 84286470930SIngo Molnar struct thread *thread = threads__findnew(0); 84386470930SIngo Molnar 84486470930SIngo Molnar if (thread == NULL || 84586470930SIngo Molnar thread__set_comm(thread, "[idle]")) { 84686470930SIngo Molnar fprintf(stderr, "problem inserting idle task.\n"); 84786470930SIngo Molnar exit(-1); 84886470930SIngo Molnar } 84986470930SIngo Molnar } 85086470930SIngo Molnar 85186470930SIngo Molnar static unsigned long total = 0, 85286470930SIngo Molnar total_mmap = 0, 85386470930SIngo Molnar total_comm = 0, 85486470930SIngo Molnar total_fork = 0, 85586470930SIngo Molnar total_unknown = 0; 85686470930SIngo Molnar 85786470930SIngo Molnar static int 858e6e18ec7SPeter Zijlstra process_sample_event(event_t *event, unsigned long offset, unsigned long head) 85986470930SIngo Molnar { 86086470930SIngo Molnar char level; 86186470930SIngo Molnar int show = 0; 86286470930SIngo Molnar struct dso *dso = NULL; 86386470930SIngo Molnar struct thread *thread = threads__findnew(event->ip.pid); 8649cffa8d5SPaul Mackerras u64 ip = event->ip.ip; 86586470930SIngo Molnar struct map *map = NULL; 86686470930SIngo Molnar 86786470930SIngo Molnar dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", 86886470930SIngo Molnar (void *)(offset + head), 86986470930SIngo Molnar (void *)(long)(event->header.size), 87086470930SIngo Molnar event->header.misc, 87186470930SIngo Molnar event->ip.pid, 87286470930SIngo Molnar (void *)(long)ip); 87386470930SIngo Molnar 87486470930SIngo Molnar dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); 87586470930SIngo Molnar 87686470930SIngo Molnar if (thread == NULL) { 87786470930SIngo Molnar fprintf(stderr, "problem processing %d event, skipping it.\n", 87886470930SIngo Molnar event->header.type); 87986470930SIngo Molnar return -1; 88086470930SIngo Molnar } 88186470930SIngo Molnar 88286470930SIngo Molnar if (event->header.misc & PERF_EVENT_MISC_KERNEL) { 88386470930SIngo Molnar show = SHOW_KERNEL; 88486470930SIngo Molnar level = 'k'; 88586470930SIngo Molnar 88686470930SIngo Molnar dso = kernel_dso; 88786470930SIngo Molnar 88886470930SIngo Molnar dprintf(" ...... dso: %s\n", dso->name); 88986470930SIngo Molnar 89086470930SIngo Molnar } else if (event->header.misc & PERF_EVENT_MISC_USER) { 89186470930SIngo Molnar 89286470930SIngo Molnar show = SHOW_USER; 89386470930SIngo Molnar level = '.'; 89486470930SIngo Molnar 89586470930SIngo Molnar map = thread__find_map(thread, ip); 89686470930SIngo Molnar if (map != NULL) { 89786470930SIngo Molnar ip = map->map_ip(map, ip); 89886470930SIngo Molnar dso = map->dso; 89986470930SIngo Molnar } else { 90086470930SIngo Molnar /* 90186470930SIngo Molnar * If this is outside of all known maps, 90286470930SIngo Molnar * and is a negative address, try to look it 90386470930SIngo Molnar * up in the kernel dso, as it might be a 90486470930SIngo Molnar * vsyscall (which executes in user-mode): 90586470930SIngo Molnar */ 90686470930SIngo Molnar if ((long long)ip < 0) 90786470930SIngo Molnar dso = kernel_dso; 90886470930SIngo Molnar } 90986470930SIngo Molnar dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); 91086470930SIngo Molnar 91186470930SIngo Molnar } else { 91286470930SIngo Molnar show = SHOW_HV; 91386470930SIngo Molnar level = 'H'; 91486470930SIngo Molnar dprintf(" ...... dso: [hypervisor]\n"); 91586470930SIngo Molnar } 91686470930SIngo Molnar 91786470930SIngo Molnar if (show & show_mask) { 91886470930SIngo Molnar struct symbol *sym = NULL; 91986470930SIngo Molnar 92086470930SIngo Molnar if (dso) 92186470930SIngo Molnar sym = dso->find_symbol(dso, ip); 92286470930SIngo Molnar 92386470930SIngo Molnar if (hist_entry__add(thread, map, dso, sym, ip, level)) { 92486470930SIngo Molnar fprintf(stderr, 92586470930SIngo Molnar "problem incrementing symbol count, skipping event\n"); 92686470930SIngo Molnar return -1; 92786470930SIngo Molnar } 92886470930SIngo Molnar } 92986470930SIngo Molnar total++; 93086470930SIngo Molnar 93186470930SIngo Molnar return 0; 93286470930SIngo Molnar } 93386470930SIngo Molnar 93486470930SIngo Molnar static int 93586470930SIngo Molnar process_mmap_event(event_t *event, unsigned long offset, unsigned long head) 93686470930SIngo Molnar { 93786470930SIngo Molnar struct thread *thread = threads__findnew(event->mmap.pid); 93886470930SIngo Molnar struct map *map = map__new(&event->mmap); 93986470930SIngo Molnar 94086470930SIngo Molnar dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", 94186470930SIngo Molnar (void *)(offset + head), 94286470930SIngo Molnar (void *)(long)(event->header.size), 94386470930SIngo Molnar event->mmap.pid, 94486470930SIngo Molnar (void *)(long)event->mmap.start, 94586470930SIngo Molnar (void *)(long)event->mmap.len, 94686470930SIngo Molnar (void *)(long)event->mmap.pgoff, 94786470930SIngo Molnar event->mmap.filename); 94886470930SIngo Molnar 94986470930SIngo Molnar if (thread == NULL || map == NULL) { 95086470930SIngo Molnar dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); 95186470930SIngo Molnar return 0; 95286470930SIngo Molnar } 95386470930SIngo Molnar 95486470930SIngo Molnar thread__insert_map(thread, map); 95586470930SIngo Molnar total_mmap++; 95686470930SIngo Molnar 95786470930SIngo Molnar return 0; 95886470930SIngo Molnar } 95986470930SIngo Molnar 96086470930SIngo Molnar static int 96186470930SIngo Molnar process_comm_event(event_t *event, unsigned long offset, unsigned long head) 96286470930SIngo Molnar { 96386470930SIngo Molnar struct thread *thread = threads__findnew(event->comm.pid); 96486470930SIngo Molnar 96586470930SIngo Molnar dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", 96686470930SIngo Molnar (void *)(offset + head), 96786470930SIngo Molnar (void *)(long)(event->header.size), 96886470930SIngo Molnar event->comm.comm, event->comm.pid); 96986470930SIngo Molnar 97086470930SIngo Molnar if (thread == NULL || 97186470930SIngo Molnar thread__set_comm(thread, event->comm.comm)) { 97286470930SIngo Molnar dprintf("problem processing PERF_EVENT_COMM, skipping event.\n"); 97386470930SIngo Molnar return -1; 97486470930SIngo Molnar } 97586470930SIngo Molnar total_comm++; 97686470930SIngo Molnar 97786470930SIngo Molnar return 0; 97886470930SIngo Molnar } 97986470930SIngo Molnar 98086470930SIngo Molnar static int 98186470930SIngo Molnar process_fork_event(event_t *event, unsigned long offset, unsigned long head) 98286470930SIngo Molnar { 98386470930SIngo Molnar struct thread *thread = threads__findnew(event->fork.pid); 98486470930SIngo Molnar struct thread *parent = threads__findnew(event->fork.ppid); 98586470930SIngo Molnar 98686470930SIngo Molnar dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", 98786470930SIngo Molnar (void *)(offset + head), 98886470930SIngo Molnar (void *)(long)(event->header.size), 98986470930SIngo Molnar event->fork.pid, event->fork.ppid); 99086470930SIngo Molnar 99186470930SIngo Molnar if (!thread || !parent || thread__fork(thread, parent)) { 99286470930SIngo Molnar dprintf("problem processing PERF_EVENT_FORK, skipping event.\n"); 99386470930SIngo Molnar return -1; 99486470930SIngo Molnar } 99586470930SIngo Molnar total_fork++; 99686470930SIngo Molnar 99786470930SIngo Molnar return 0; 99886470930SIngo Molnar } 99986470930SIngo Molnar 100086470930SIngo Molnar static int 100186470930SIngo Molnar process_period_event(event_t *event, unsigned long offset, unsigned long head) 100286470930SIngo Molnar { 100386470930SIngo Molnar dprintf("%p [%p]: PERF_EVENT_PERIOD: time:%Ld, id:%Ld: period:%Ld\n", 100486470930SIngo Molnar (void *)(offset + head), 100586470930SIngo Molnar (void *)(long)(event->header.size), 100686470930SIngo Molnar event->period.time, 100786470930SIngo Molnar event->period.id, 100886470930SIngo Molnar event->period.sample_period); 100986470930SIngo Molnar 101086470930SIngo Molnar return 0; 101186470930SIngo Molnar } 101286470930SIngo Molnar 101386470930SIngo Molnar static int 101486470930SIngo Molnar process_event(event_t *event, unsigned long offset, unsigned long head) 101586470930SIngo Molnar { 101686470930SIngo Molnar switch (event->header.type) { 1017e6e18ec7SPeter Zijlstra case PERF_EVENT_SAMPLE: 1018e6e18ec7SPeter Zijlstra return process_sample_event(event, offset, head); 1019e6e18ec7SPeter Zijlstra 102086470930SIngo Molnar case PERF_EVENT_MMAP: 102186470930SIngo Molnar return process_mmap_event(event, offset, head); 102286470930SIngo Molnar 102386470930SIngo Molnar case PERF_EVENT_COMM: 102486470930SIngo Molnar return process_comm_event(event, offset, head); 102586470930SIngo Molnar 102686470930SIngo Molnar case PERF_EVENT_FORK: 102786470930SIngo Molnar return process_fork_event(event, offset, head); 102886470930SIngo Molnar 102986470930SIngo Molnar case PERF_EVENT_PERIOD: 103086470930SIngo Molnar return process_period_event(event, offset, head); 103186470930SIngo Molnar /* 103286470930SIngo Molnar * We dont process them right now but they are fine: 103386470930SIngo Molnar */ 103486470930SIngo Molnar 103586470930SIngo Molnar case PERF_EVENT_THROTTLE: 103686470930SIngo Molnar case PERF_EVENT_UNTHROTTLE: 103786470930SIngo Molnar return 0; 103886470930SIngo Molnar 103986470930SIngo Molnar default: 104086470930SIngo Molnar return -1; 104186470930SIngo Molnar } 104286470930SIngo Molnar 104386470930SIngo Molnar return 0; 104486470930SIngo Molnar } 104586470930SIngo Molnar 1046971738f3SFrederic Weisbecker static char *get_color(double percent) 1047971738f3SFrederic Weisbecker { 1048971738f3SFrederic Weisbecker char *color = PERF_COLOR_NORMAL; 1049971738f3SFrederic Weisbecker 1050971738f3SFrederic Weisbecker /* 1051971738f3SFrederic Weisbecker * We color high-overhead entries in red, mid-overhead 1052971738f3SFrederic Weisbecker * entries in green - and keep the low overhead places 1053971738f3SFrederic Weisbecker * normal: 1054971738f3SFrederic Weisbecker */ 1055971738f3SFrederic Weisbecker if (percent >= MIN_RED) 1056971738f3SFrederic Weisbecker color = PERF_COLOR_RED; 1057971738f3SFrederic Weisbecker else { 1058971738f3SFrederic Weisbecker if (percent > MIN_GREEN) 1059971738f3SFrederic Weisbecker color = PERF_COLOR_GREEN; 1060971738f3SFrederic Weisbecker } 1061971738f3SFrederic Weisbecker return color; 1062971738f3SFrederic Weisbecker } 1063971738f3SFrederic Weisbecker 106486470930SIngo Molnar static int 10659cffa8d5SPaul Mackerras parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) 106686470930SIngo Molnar { 106786470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 1068301406b9SFrederic Weisbecker static const char *prev_line; 1069301406b9SFrederic Weisbecker static const char *prev_color; 107086470930SIngo Molnar unsigned int offset; 107186470930SIngo Molnar size_t line_len; 10729cffa8d5SPaul Mackerras u64 line_ip; 107386470930SIngo Molnar int ret; 107486470930SIngo Molnar char *c; 107586470930SIngo Molnar 107686470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 107786470930SIngo Molnar return -1; 107886470930SIngo Molnar if (!line) 107986470930SIngo Molnar return -1; 108086470930SIngo Molnar 108186470930SIngo Molnar c = strchr(line, '\n'); 108286470930SIngo Molnar if (c) 108386470930SIngo Molnar *c = 0; 108486470930SIngo Molnar 108586470930SIngo Molnar line_ip = -1; 108686470930SIngo Molnar offset = 0; 108786470930SIngo Molnar ret = -2; 108886470930SIngo Molnar 108986470930SIngo Molnar /* 109086470930SIngo Molnar * Strip leading spaces: 109186470930SIngo Molnar */ 109286470930SIngo Molnar tmp = line; 109386470930SIngo Molnar while (*tmp) { 109486470930SIngo Molnar if (*tmp != ' ') 109586470930SIngo Molnar break; 109686470930SIngo Molnar tmp++; 109786470930SIngo Molnar } 109886470930SIngo Molnar 109986470930SIngo Molnar if (*tmp) { 110086470930SIngo Molnar /* 110186470930SIngo Molnar * Parse hexa addresses followed by ':' 110286470930SIngo Molnar */ 110386470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 110486470930SIngo Molnar if (*tmp2 != ':') 110586470930SIngo Molnar line_ip = -1; 110686470930SIngo Molnar } 110786470930SIngo Molnar 110886470930SIngo Molnar if (line_ip != -1) { 1109301406b9SFrederic Weisbecker const char *path = NULL; 111086470930SIngo Molnar unsigned int hits = 0; 111186470930SIngo Molnar double percent = 0.0; 1112971738f3SFrederic Weisbecker char *color; 1113301406b9SFrederic Weisbecker struct sym_ext *sym_ext = sym->priv; 111486470930SIngo Molnar 111586470930SIngo Molnar offset = line_ip - start; 111686470930SIngo Molnar if (offset < len) 111786470930SIngo Molnar hits = sym->hist[offset]; 111886470930SIngo Molnar 1119c17c2db1SFrederic Weisbecker if (offset < len && sym_ext) { 1120301406b9SFrederic Weisbecker path = sym_ext[offset].path; 1121301406b9SFrederic Weisbecker percent = sym_ext[offset].percent; 1122301406b9SFrederic Weisbecker } else if (sym->hist_sum) 112386470930SIngo Molnar percent = 100.0 * hits / sym->hist_sum; 112486470930SIngo Molnar 1125971738f3SFrederic Weisbecker color = get_color(percent); 112686470930SIngo Molnar 1127301406b9SFrederic Weisbecker /* 1128301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 1129301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 1130301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 1131301406b9SFrederic Weisbecker */ 1132301406b9SFrederic Weisbecker if (path) { 1133301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 1134301406b9SFrederic Weisbecker || color != prev_color) { 1135301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 1136301406b9SFrederic Weisbecker prev_line = path; 1137301406b9SFrederic Weisbecker prev_color = color; 1138301406b9SFrederic Weisbecker } 1139301406b9SFrederic Weisbecker } 1140301406b9SFrederic Weisbecker 114186470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 114286470930SIngo Molnar printf(" : "); 114386470930SIngo Molnar color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); 114486470930SIngo Molnar } else { 114586470930SIngo Molnar if (!*line) 114686470930SIngo Molnar printf(" :\n"); 114786470930SIngo Molnar else 114886470930SIngo Molnar printf(" : %s\n", line); 114986470930SIngo Molnar } 115086470930SIngo Molnar 115186470930SIngo Molnar return 0; 115286470930SIngo Molnar } 115386470930SIngo Molnar 1154971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 1155971738f3SFrederic Weisbecker 1156971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 1157971738f3SFrederic Weisbecker { 1158971738f3SFrederic Weisbecker struct sym_ext *iter; 1159971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 1160971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 1161971738f3SFrederic Weisbecker 1162971738f3SFrederic Weisbecker while (*p != NULL) { 1163971738f3SFrederic Weisbecker parent = *p; 1164971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 1165971738f3SFrederic Weisbecker 1166971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 1167971738f3SFrederic Weisbecker p = &(*p)->rb_left; 1168971738f3SFrederic Weisbecker else 1169971738f3SFrederic Weisbecker p = &(*p)->rb_right; 1170971738f3SFrederic Weisbecker } 1171971738f3SFrederic Weisbecker 1172971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 1173971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 1174971738f3SFrederic Weisbecker } 1175971738f3SFrederic Weisbecker 1176301406b9SFrederic Weisbecker static void free_source_line(struct symbol *sym, int len) 1177301406b9SFrederic Weisbecker { 1178301406b9SFrederic Weisbecker struct sym_ext *sym_ext = sym->priv; 1179301406b9SFrederic Weisbecker int i; 1180301406b9SFrederic Weisbecker 1181301406b9SFrederic Weisbecker if (!sym_ext) 1182301406b9SFrederic Weisbecker return; 1183301406b9SFrederic Weisbecker 1184301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 1185301406b9SFrederic Weisbecker free(sym_ext[i].path); 1186301406b9SFrederic Weisbecker free(sym_ext); 1187301406b9SFrederic Weisbecker 1188301406b9SFrederic Weisbecker sym->priv = NULL; 1189971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 1190301406b9SFrederic Weisbecker } 1191301406b9SFrederic Weisbecker 1192301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 1193c17c2db1SFrederic Weisbecker static void 11949cffa8d5SPaul Mackerras get_source_line(struct symbol *sym, u64 start, int len, char *filename) 1195301406b9SFrederic Weisbecker { 1196301406b9SFrederic Weisbecker int i; 1197301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 1198301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 1199301406b9SFrederic Weisbecker 1200301406b9SFrederic Weisbecker if (!sym->hist_sum) 1201301406b9SFrederic Weisbecker return; 1202301406b9SFrederic Weisbecker 1203301406b9SFrederic Weisbecker sym->priv = calloc(len, sizeof(struct sym_ext)); 1204301406b9SFrederic Weisbecker if (!sym->priv) 1205301406b9SFrederic Weisbecker return; 1206301406b9SFrederic Weisbecker 1207301406b9SFrederic Weisbecker sym_ext = sym->priv; 1208301406b9SFrederic Weisbecker 1209301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 1210301406b9SFrederic Weisbecker char *path = NULL; 1211301406b9SFrederic Weisbecker size_t line_len; 12129cffa8d5SPaul Mackerras u64 offset; 1213301406b9SFrederic Weisbecker FILE *fp; 1214301406b9SFrederic Weisbecker 1215301406b9SFrederic Weisbecker sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum; 1216301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 1217301406b9SFrederic Weisbecker continue; 1218301406b9SFrederic Weisbecker 1219301406b9SFrederic Weisbecker offset = start + i; 1220c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 1221301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 1222301406b9SFrederic Weisbecker if (!fp) 1223301406b9SFrederic Weisbecker continue; 1224301406b9SFrederic Weisbecker 1225301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 1226301406b9SFrederic Weisbecker goto next; 1227301406b9SFrederic Weisbecker 1228c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 1229301406b9SFrederic Weisbecker if (!sym_ext[i].path) 1230301406b9SFrederic Weisbecker goto next; 1231301406b9SFrederic Weisbecker 1232301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 1233971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 1234301406b9SFrederic Weisbecker 1235301406b9SFrederic Weisbecker next: 1236301406b9SFrederic Weisbecker pclose(fp); 1237301406b9SFrederic Weisbecker } 1238301406b9SFrederic Weisbecker } 1239301406b9SFrederic Weisbecker 1240971738f3SFrederic Weisbecker static void print_summary(char *filename) 1241971738f3SFrederic Weisbecker { 1242971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 1243971738f3SFrederic Weisbecker struct rb_node *node; 1244971738f3SFrederic Weisbecker 1245971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 1246971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 1247971738f3SFrederic Weisbecker 1248971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 1249971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 1250971738f3SFrederic Weisbecker return; 1251971738f3SFrederic Weisbecker } 1252971738f3SFrederic Weisbecker 1253971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 1254971738f3SFrederic Weisbecker while (node) { 1255971738f3SFrederic Weisbecker double percent; 1256971738f3SFrederic Weisbecker char *color; 1257971738f3SFrederic Weisbecker char *path; 1258971738f3SFrederic Weisbecker 1259971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 1260971738f3SFrederic Weisbecker percent = sym_ext->percent; 1261971738f3SFrederic Weisbecker color = get_color(percent); 1262971738f3SFrederic Weisbecker path = sym_ext->path; 1263971738f3SFrederic Weisbecker 1264971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 1265971738f3SFrederic Weisbecker node = rb_next(node); 1266971738f3SFrederic Weisbecker } 1267971738f3SFrederic Weisbecker } 1268971738f3SFrederic Weisbecker 126986470930SIngo Molnar static void annotate_sym(struct dso *dso, struct symbol *sym) 127086470930SIngo Molnar { 127186470930SIngo Molnar char *filename = dso->name; 12729cffa8d5SPaul Mackerras u64 start, end, len; 127386470930SIngo Molnar char command[PATH_MAX*2]; 127486470930SIngo Molnar FILE *file; 127586470930SIngo Molnar 127686470930SIngo Molnar if (!filename) 127786470930SIngo Molnar return; 127886470930SIngo Molnar if (dso == kernel_dso) 127986470930SIngo Molnar filename = vmlinux; 128086470930SIngo Molnar 128186470930SIngo Molnar start = sym->obj_start; 128286470930SIngo Molnar if (!start) 128386470930SIngo Molnar start = sym->start; 128486470930SIngo Molnar 128586470930SIngo Molnar end = start + sym->end - sym->start + 1; 128686470930SIngo Molnar len = sym->end - sym->start; 128786470930SIngo Molnar 1288971738f3SFrederic Weisbecker if (print_line) { 1289c17c2db1SFrederic Weisbecker get_source_line(sym, start, len, filename); 1290971738f3SFrederic Weisbecker print_summary(filename); 1291971738f3SFrederic Weisbecker } 1292971738f3SFrederic Weisbecker 1293971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 1294971738f3SFrederic Weisbecker printf(" Percent | Source code & Disassembly of %s\n", filename); 1295971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 1296971738f3SFrederic Weisbecker 1297971738f3SFrederic Weisbecker if (verbose >= 2) 1298971738f3SFrederic Weisbecker printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name); 1299301406b9SFrederic Weisbecker 13009cffa8d5SPaul Mackerras sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s", (u64)start, (u64)end, filename); 130186470930SIngo Molnar 130286470930SIngo Molnar if (verbose >= 3) 130386470930SIngo Molnar printf("doing: %s\n", command); 130486470930SIngo Molnar 130586470930SIngo Molnar file = popen(command, "r"); 130686470930SIngo Molnar if (!file) 130786470930SIngo Molnar return; 130886470930SIngo Molnar 130986470930SIngo Molnar while (!feof(file)) { 131086470930SIngo Molnar if (parse_line(file, sym, start, len) < 0) 131186470930SIngo Molnar break; 131286470930SIngo Molnar } 131386470930SIngo Molnar 131486470930SIngo Molnar pclose(file); 1315971738f3SFrederic Weisbecker if (print_line) 1316301406b9SFrederic Weisbecker free_source_line(sym, len); 131786470930SIngo Molnar } 131886470930SIngo Molnar 131986470930SIngo Molnar static void find_annotations(void) 132086470930SIngo Molnar { 132186470930SIngo Molnar struct rb_node *nd; 132286470930SIngo Molnar struct dso *dso; 132386470930SIngo Molnar int count = 0; 132486470930SIngo Molnar 132586470930SIngo Molnar list_for_each_entry(dso, &dsos, node) { 132686470930SIngo Molnar 132786470930SIngo Molnar for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) { 132886470930SIngo Molnar struct symbol *sym = rb_entry(nd, struct symbol, rb_node); 132986470930SIngo Molnar 133086470930SIngo Molnar if (sym->hist) { 133186470930SIngo Molnar annotate_sym(dso, sym); 133286470930SIngo Molnar count++; 133386470930SIngo Molnar } 133486470930SIngo Molnar } 133586470930SIngo Molnar } 133686470930SIngo Molnar 133786470930SIngo Molnar if (!count) 133886470930SIngo Molnar printf(" Error: symbol '%s' not present amongst the samples.\n", sym_hist_filter); 133986470930SIngo Molnar } 134086470930SIngo Molnar 134186470930SIngo Molnar static int __cmd_annotate(void) 134286470930SIngo Molnar { 134386470930SIngo Molnar int ret, rc = EXIT_FAILURE; 134486470930SIngo Molnar unsigned long offset = 0; 134586470930SIngo Molnar unsigned long head = 0; 134686470930SIngo Molnar struct stat stat; 134786470930SIngo Molnar event_t *event; 134886470930SIngo Molnar uint32_t size; 134986470930SIngo Molnar char *buf; 135086470930SIngo Molnar 135186470930SIngo Molnar register_idle_thread(); 135286470930SIngo Molnar 135386470930SIngo Molnar input = open(input_name, O_RDONLY); 135486470930SIngo Molnar if (input < 0) { 135586470930SIngo Molnar perror("failed to open file"); 135686470930SIngo Molnar exit(-1); 135786470930SIngo Molnar } 135886470930SIngo Molnar 135986470930SIngo Molnar ret = fstat(input, &stat); 136086470930SIngo Molnar if (ret < 0) { 136186470930SIngo Molnar perror("failed to stat file"); 136286470930SIngo Molnar exit(-1); 136386470930SIngo Molnar } 136486470930SIngo Molnar 136586470930SIngo Molnar if (!stat.st_size) { 136686470930SIngo Molnar fprintf(stderr, "zero-sized file, nothing to do!\n"); 136786470930SIngo Molnar exit(0); 136886470930SIngo Molnar } 136986470930SIngo Molnar 137086470930SIngo Molnar if (load_kernel() < 0) { 137186470930SIngo Molnar perror("failed to load kernel symbols"); 137286470930SIngo Molnar return EXIT_FAILURE; 137386470930SIngo Molnar } 137486470930SIngo Molnar 137586470930SIngo Molnar remap: 137686470930SIngo Molnar buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, 137786470930SIngo Molnar MAP_SHARED, input, offset); 137886470930SIngo Molnar if (buf == MAP_FAILED) { 137986470930SIngo Molnar perror("failed to mmap file"); 138086470930SIngo Molnar exit(-1); 138186470930SIngo Molnar } 138286470930SIngo Molnar 138386470930SIngo Molnar more: 138486470930SIngo Molnar event = (event_t *)(buf + head); 138586470930SIngo Molnar 138686470930SIngo Molnar size = event->header.size; 138786470930SIngo Molnar if (!size) 138886470930SIngo Molnar size = 8; 138986470930SIngo Molnar 139086470930SIngo Molnar if (head + event->header.size >= page_size * mmap_window) { 139186470930SIngo Molnar unsigned long shift = page_size * (head / page_size); 139286470930SIngo Molnar int ret; 139386470930SIngo Molnar 139486470930SIngo Molnar ret = munmap(buf, page_size * mmap_window); 139586470930SIngo Molnar assert(ret == 0); 139686470930SIngo Molnar 139786470930SIngo Molnar offset += shift; 139886470930SIngo Molnar head -= shift; 139986470930SIngo Molnar goto remap; 140086470930SIngo Molnar } 140186470930SIngo Molnar 140286470930SIngo Molnar size = event->header.size; 140386470930SIngo Molnar 140486470930SIngo Molnar dprintf("%p [%p]: event: %d\n", 140586470930SIngo Molnar (void *)(offset + head), 140686470930SIngo Molnar (void *)(long)event->header.size, 140786470930SIngo Molnar event->header.type); 140886470930SIngo Molnar 140986470930SIngo Molnar if (!size || process_event(event, offset, head) < 0) { 141086470930SIngo Molnar 141186470930SIngo Molnar dprintf("%p [%p]: skipping unknown header type: %d\n", 141286470930SIngo Molnar (void *)(offset + head), 141386470930SIngo Molnar (void *)(long)(event->header.size), 141486470930SIngo Molnar event->header.type); 141586470930SIngo Molnar 141686470930SIngo Molnar total_unknown++; 141786470930SIngo Molnar 141886470930SIngo Molnar /* 141986470930SIngo Molnar * assume we lost track of the stream, check alignment, and 142086470930SIngo Molnar * increment a single u64 in the hope to catch on again 'soon'. 142186470930SIngo Molnar */ 142286470930SIngo Molnar 142386470930SIngo Molnar if (unlikely(head & 7)) 142486470930SIngo Molnar head &= ~7ULL; 142586470930SIngo Molnar 142686470930SIngo Molnar size = 8; 142786470930SIngo Molnar } 142886470930SIngo Molnar 142986470930SIngo Molnar head += size; 143086470930SIngo Molnar 143186470930SIngo Molnar if (offset + head < stat.st_size) 143286470930SIngo Molnar goto more; 143386470930SIngo Molnar 143486470930SIngo Molnar rc = EXIT_SUCCESS; 143586470930SIngo Molnar close(input); 143686470930SIngo Molnar 143786470930SIngo Molnar dprintf(" IP events: %10ld\n", total); 143886470930SIngo Molnar dprintf(" mmap events: %10ld\n", total_mmap); 143986470930SIngo Molnar dprintf(" comm events: %10ld\n", total_comm); 144086470930SIngo Molnar dprintf(" fork events: %10ld\n", total_fork); 144186470930SIngo Molnar dprintf(" unknown events: %10ld\n", total_unknown); 144286470930SIngo Molnar 144386470930SIngo Molnar if (dump_trace) 144486470930SIngo Molnar return 0; 144586470930SIngo Molnar 144686470930SIngo Molnar if (verbose >= 3) 144786470930SIngo Molnar threads__fprintf(stdout); 144886470930SIngo Molnar 144986470930SIngo Molnar if (verbose >= 2) 145086470930SIngo Molnar dsos__fprintf(stdout); 145186470930SIngo Molnar 145286470930SIngo Molnar collapse__resort(); 145386470930SIngo Molnar output__resort(); 145486470930SIngo Molnar 145586470930SIngo Molnar find_annotations(); 145686470930SIngo Molnar 145786470930SIngo Molnar return rc; 145886470930SIngo Molnar } 145986470930SIngo Molnar 146086470930SIngo Molnar static const char * const annotate_usage[] = { 146186470930SIngo Molnar "perf annotate [<options>] <command>", 146286470930SIngo Molnar NULL 146386470930SIngo Molnar }; 146486470930SIngo Molnar 146586470930SIngo Molnar static const struct option options[] = { 146686470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 146786470930SIngo Molnar "input file name"), 146823b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 146986470930SIngo Molnar "symbol to annotate"), 147086470930SIngo Molnar OPT_BOOLEAN('v', "verbose", &verbose, 147186470930SIngo Molnar "be more verbose (show symbol address, etc)"), 147286470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 147386470930SIngo Molnar "dump raw trace in ASCII"), 147486470930SIngo Molnar OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), 1475301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 1476301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 147786470930SIngo Molnar OPT_END() 147886470930SIngo Molnar }; 147986470930SIngo Molnar 148086470930SIngo Molnar static void setup_sorting(void) 148186470930SIngo Molnar { 148286470930SIngo Molnar char *tmp, *tok, *str = strdup(sort_order); 148386470930SIngo Molnar 148486470930SIngo Molnar for (tok = strtok_r(str, ", ", &tmp); 148586470930SIngo Molnar tok; tok = strtok_r(NULL, ", ", &tmp)) { 148686470930SIngo Molnar if (sort_dimension__add(tok) < 0) { 148786470930SIngo Molnar error("Unknown --sort key: `%s'", tok); 148886470930SIngo Molnar usage_with_options(annotate_usage, options); 148986470930SIngo Molnar } 149086470930SIngo Molnar } 149186470930SIngo Molnar 149286470930SIngo Molnar free(str); 149386470930SIngo Molnar } 149486470930SIngo Molnar 149586470930SIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix) 149686470930SIngo Molnar { 149786470930SIngo Molnar symbol__init(); 149886470930SIngo Molnar 149986470930SIngo Molnar page_size = getpagesize(); 150086470930SIngo Molnar 150186470930SIngo Molnar argc = parse_options(argc, argv, options, annotate_usage, 0); 150286470930SIngo Molnar 150386470930SIngo Molnar setup_sorting(); 150486470930SIngo Molnar 150586470930SIngo Molnar if (argc) { 150686470930SIngo Molnar /* 150786470930SIngo Molnar * Special case: if there's an argument left then assume tha 150886470930SIngo Molnar * it's a symbol filter: 150986470930SIngo Molnar */ 151086470930SIngo Molnar if (argc > 1) 151186470930SIngo Molnar usage_with_options(annotate_usage, options); 151286470930SIngo Molnar 151386470930SIngo Molnar sym_hist_filter = argv[0]; 151486470930SIngo Molnar } 151586470930SIngo Molnar 151686470930SIngo Molnar if (!sym_hist_filter) 151786470930SIngo Molnar usage_with_options(annotate_usage, options); 151886470930SIngo Molnar 151986470930SIngo Molnar setup_pager(); 152086470930SIngo Molnar 152186470930SIngo Molnar return __cmd_annotate(); 152286470930SIngo Molnar } 1523