diff options
| -rw-r--r-- | tools/perf/Makefile | 1 | ||||
| -rw-r--r-- | tools/perf/builtin-annotate.c | 173 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 205 | ||||
| -rw-r--r-- | tools/perf/util/thread.c | 143 | ||||
| -rw-r--r-- | tools/perf/util/thread.h | 19 |
5 files changed, 202 insertions, 339 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 68218cfd38b3..0056405e4c93 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -341,6 +341,7 @@ LIB_OBJS += util/callchain.o LIB_OBJS += util/values.o LIB_OBJS += util/debug.o LIB_OBJS += util/map.o +LIB_OBJS += util/thread.o BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-help.o diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 543c4524f8c2..3bedaa5d21d2 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -20,6 +20,7 @@ #include "util/parse-options.h" #include "util/parse-events.h" +#include "util/thread.h" #define SHOW_KERNEL 1 #define SHOW_USER 2 @@ -44,6 +45,9 @@ static int print_line; static unsigned long page_size; static unsigned long mmap_window = 32; +static struct rb_root threads; +static struct thread *last_match; + struct sym_ext { struct rb_node node; @@ -51,154 +55,6 @@ struct sym_ext { char *path; }; - -struct thread { - struct rb_node rb_node; - struct list_head maps; - pid_t pid; - char *comm; -}; - -static struct thread *thread__new(pid_t pid) -{ - struct thread *self = malloc(sizeof(*self)); - - if (self != NULL) { - self->pid = pid; - self->comm = malloc(32); - if (self->comm) - snprintf(self->comm, 32, ":%d", self->pid); - INIT_LIST_HEAD(&self->maps); - } - - return self; -} - -static int thread__set_comm(struct thread *self, const char *comm) -{ - if (self->comm) - free(self->comm); - self->comm = strdup(comm); - return self->comm ? 0 : -ENOMEM; -} - -static size_t thread__fprintf(struct thread *self, FILE *fp) -{ - struct map *pos; - size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); - - list_for_each_entry(pos, &self->maps, node) - ret += map__fprintf(pos, fp); - - return ret; -} - - -static struct rb_root threads; -static struct thread *last_match; - -static struct thread *threads__findnew(pid_t pid) -{ - struct rb_node **p = &threads.rb_node; - struct rb_node *parent = NULL; - struct thread *th; - - /* - * Font-end cache - PID lookups come in blocks, - * so most of the time we dont have to look up - * the full rbtree: - */ - if (last_match && last_match->pid == pid) - return last_match; - - while (*p != NULL) { - parent = *p; - th = rb_entry(parent, struct thread, rb_node); - - if (th->pid == pid) { - last_match = th; - return th; - } - - if (pid < th->pid) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - th = thread__new(pid); - if (th != NULL) { - rb_link_node(&th->rb_node, parent, p); - rb_insert_color(&th->rb_node, &threads); - last_match = th; - } - - return th; -} - -static void thread__insert_map(struct thread *self, struct map *map) -{ - struct map *pos, *tmp; - - list_for_each_entry_safe(pos, tmp, &self->maps, node) { - if (map__overlap(pos, map)) { - list_del_init(&pos->node); - /* XXX leaks dsos */ - free(pos); - } - } - - list_add_tail(&map->node, &self->maps); -} - -static int thread__fork(struct thread *self, struct thread *parent) -{ - struct map *map; - - if (self->comm) - free(self->comm); - self->comm = strdup(parent->comm); - if (!self->comm) - return -ENOMEM; - - list_for_each_entry(map, &parent->maps, node) { - struct map *new = map__clone(map); - if (!new) - return -ENOMEM; - thread__insert_map(self, new); - } - - return 0; -} - -static struct map *thread__find_map(struct thread *self, u64 ip) -{ - struct map *pos; - - if (self == NULL) - return NULL; - - list_for_each_entry(pos, &self->maps, node) - if (ip >= pos->start && ip <= pos->end) - return pos; - - return NULL; -} - -static size_t threads__fprintf(FILE *fp) -{ - size_t ret = 0; - struct rb_node *nd; - - for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { - struct thread *pos = rb_entry(nd, struct thread, rb_node); - - ret += thread__fprintf(pos, fp); - } - - return ret; -} - /* * histogram, sorted on item, collects counts */ @@ -624,7 +480,7 @@ static void output__resort(void) static void register_idle_thread(void) { - struct thread *thread = threads__findnew(0); + struct thread *thread = threads__findnew(0, &threads, &last_match); if (thread == NULL || thread__set_comm(thread, "[idle]")) { @@ -645,10 +501,12 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) char level; int show = 0; struct dso *dso = NULL; - struct thread *thread = threads__findnew(event->ip.pid); + struct thread *thread; u64 ip = event->ip.ip; struct map *map = NULL; + thread = threads__findnew(event->ip.pid, &threads, &last_match); + dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -719,9 +577,11 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->mmap.pid); + struct thread *thread; struct map *map = map__new(&event->mmap, NULL, 0); + thread = threads__findnew(event->mmap.pid, &threads, &last_match); + dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -745,8 +605,9 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head) static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->comm.pid); + struct thread *thread; + thread = threads__findnew(event->comm.pid, &threads, &last_match); dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -765,9 +626,11 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_fork_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->fork.pid); - struct thread *parent = threads__findnew(event->fork.ppid); + struct thread *thread; + struct thread *parent; + thread = threads__findnew(event->fork.pid, &threads, &last_match); + parent = threads__findnew(event->fork.ppid, &threads, &last_match); dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -1202,7 +1065,7 @@ more: return 0; if (verbose >= 3) - threads__fprintf(stdout); + threads__fprintf(stdout, &threads); if (verbose >= 2) dsos__fprintf(stdout); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 6321951fe1bf..298f26b8ac78 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -25,6 +25,8 @@ #include "util/parse-options.h" #include "util/parse-events.h" +#include "util/thread.h" + #define SHOW_KERNEL 1 #define SHOW_USER 2 #define SHOW_HV 4 @@ -71,6 +73,9 @@ static char __cwd[PATH_MAX]; static char *cwd = __cwd; static int cwdlen; +static struct rb_root threads; +static struct thread *last_match; + static struct callchain_param callchain_param = { .mode = CHAIN_GRAPH_REL, @@ -106,187 +111,10 @@ static int repsep_fprintf(FILE *fp, const char *fmt, ...) return n; } -struct thread { - struct rb_node rb_node; - struct list_head maps; - pid_t pid; - char *comm; -}; - -static struct thread *thread__new(pid_t pid) -{ - struct thread *self = malloc(sizeof(*self)); - - if (self != NULL) { - self->pid = pid; - self->comm = malloc(32); - if (self->comm) - snprintf(self->comm, 32, ":%d", self->pid); - INIT_LIST_HEAD(&self->maps); - } - - return self; -} - static unsigned int dsos__col_width, comms__col_width, threads__col_width; -static int thread__set_comm(struct thread *self, const char *comm) -{ - if (self->comm) - free(self->comm); - self->comm = strdup(comm); - if (!self->comm) - return -ENOMEM; - - if (!col_width_list_str && !field_sep && - (!comm_list || strlist__has_entry(comm_list, comm))) { - unsigned int slen = strlen(comm); - if (slen > comms__col_width) { - comms__col_width = slen; - threads__col_width = slen + 6; - } - } - - return 0; -} - -static size_t thread__fprintf(struct thread *self, FILE *fp) -{ - struct map *pos; - size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); - - list_for_each_entry(pos, &self->maps, node) - ret += map__fprintf(pos, fp); - - return ret; -} - - -static struct rb_root threads; -static struct thread *last_match; - -static struct thread *threads__findnew(pid_t pid) -{ - struct rb_node **p = &threads.rb_node; - struct rb_node *parent = NULL; - struct thread *th; - - /* - * Font-end cache - PID lookups come in blocks, - * so most of the time we dont have to look up - * the full rbtree: - */ - if (last_match && last_match->pid == pid) - return last_match; - - while (*p != NULL) { - parent = *p; - th = rb_entry(parent, struct thread, rb_node); - - if (th->pid == pid) { - last_match = th; - return th; - } - - if (pid < th->pid) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - - th = thread__new(pid); - if (th != NULL) { - rb_link_node(&th->rb_node, parent, p); - rb_insert_color(&th->rb_node, &threads); - last_match = th; - } - - return th; -} - -static void thread__insert_map(struct thread *self, struct map *map) -{ - struct map *pos, *tmp; - - list_for_each_entry_safe(pos, tmp, &self->maps, node) { - if (map__overlap(pos, map)) { - if (verbose >= 2) { - printf("overlapping maps:\n"); - map__fprintf(map, stdout); - map__fprintf(pos, stdout); - } - - if (map->start <= pos->start && map->end > pos->start) - pos->start = map->end; - - if (map->end >= pos->end && map->start < pos->end) - pos->end = map->start; - - if (verbose >= 2) { - printf("after collision:\n"); - map__fprintf(pos, stdout); - } - - if (pos->start >= pos->end) { - list_del_init(&pos->node); - free(pos); - } - } - } - - list_add_tail(&map->node, &self->maps); -} - -static int thread__fork(struct thread *self, struct thread *parent) -{ - struct map *map; - - if (self->comm) - free(self->comm); - self->comm = strdup(parent->comm); - if (!self->comm) - return -ENOMEM; - - list_for_each_entry(map, &parent->maps, node) { - struct map *new = map__clone(map); - if (!new) - return -ENOMEM; - thread__insert_map(self, new); - } - - return 0; -} - -static struct map *thread__find_map(struct thread *self, u64 ip) -{ - struct map *pos; - - if (self == NULL) - return NULL; - - list_for_each_entry(pos, &self->maps, node) - if (ip >= pos->start && ip <= pos->end) - return pos; - - return NULL; -} - -static size_t threads__fprintf(FILE *fp) -{ - size_t ret = 0; - struct rb_node *nd; - - for (nd = rb_first(&threads); nd; nd = rb_next(nd)) { - struct thread *pos = rb_entry(nd, struct thread, rb_node); - - ret += thread__fprintf(pos, fp); - } - - return ret; -} - /* * histogram, sorted on item, collects counts */ @@ -1228,7 +1056,7 @@ print_entries: static void register_idle_thread(void) { - struct thread *thread = threads__findnew(0); + struct thread *thread = threads__findnew(0, &threads, &last_match); if (thread == NULL || thread__set_comm(thread, "[idle]")) { @@ -1263,7 +1091,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) char level; int show = 0; struct dso *dso = NULL; - struct thread *thread = threads__findnew(event->ip.pid); + struct thread *thread; u64 ip = event->ip.ip; u64 period = 1; struct map *map = NULL; @@ -1271,6 +1099,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) struct ip_callchain *chain = NULL; int cpumode; + thread = threads__findnew(event->ip.pid, &threads, &last_match); + if (sample_type & PERF_SAMPLE_PERIOD) { period = *(u64 *)more_data; more_data += sizeof(u64); @@ -1360,9 +1190,11 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head) static int process_mmap_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->mmap.pid); + struct thread *thread; struct map *map = map__new(&event->mmap, cwd, cwdlen); + thread = threads__findnew(event->mmap.pid, &threads, &last_match); + dprintf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n", (void *)(offset + head), (void *)(long)(event->header.size), @@ -1387,7 +1219,9 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head) static int process_comm_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->comm.pid); + struct thread *thread; + + thread = threads__findnew(event->comm.pid, &threads, &last_match); dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", (void *)(offset + head), @@ -1407,8 +1241,11 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) static int process_task_event(event_t *event, unsigned long offset, unsigned long head) { - struct thread *thread = threads__findnew(event->fork.pid); - struct thread *parent = threads__findnew(event->fork.ppid); + struct thread *thread; + struct thread *parent; + + thread = threads__findnew(event->fork.pid, &threads, &last_match); + parent = threads__findnew(event->fork.ppid, &threads, &last_match); dprintf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n", (void *)(offset + head), @@ -1749,7 +1586,7 @@ done: return 0; if (verbose >= 3) - threads__fprintf(stdout); + threads__fprintf(stdout, &threads); if (verbose >= 2) dsos__fprintf(stdout); diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c new file mode 100644 index 000000000000..00c14b98d651 --- /dev/null +++ b/tools/perf/util/thread.c @@ -0,0 +1,143 @@ +#include "../perf.h" +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "thread.h" +#include "util.h" + +static struct thread *thread__new(pid_t pid) +{ + struct thread *self = malloc(sizeof(*self)); + + if (self != NULL) { + self->pid = pid; + self->comm = malloc(32); + if (self->comm) + snprintf(self->comm, 32, ":%d", self->pid); + INIT_LIST_HEAD(&self->maps); + } + + return self; +} + +int thread__set_comm(struct thread *self, const char *comm) +{ + if (self->comm) + free(self->comm); + self->comm = strdup(comm); + return self->comm ? 0 : -ENOMEM; +} + +static size_t thread__fprintf(struct thread *self, FILE *fp) +{ + struct map *pos; + size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm); + + list_for_each_entry(pos, &self->maps, node) + ret += map__fprintf(pos, fp); + + return ret; +} + +struct thread * +threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match) +{ + struct rb_node **p = &threads->rb_node; + struct rb_node *parent = NULL; + struct thread *th; + + /* + * Font-end cache - PID lookups come in blocks, + * so most of the time we dont have to look up + * the full rbtree: + */ + if (*last_match && (*last_match)->pid == pid) + return *last_match; + + while (*p != NULL) { + parent = *p; + th = rb_entry(parent, struct thread, rb_node); + + if (th->pid == pid) { + *last_match = th; + return th; + } + + if (pid < th->pid) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + + th = thread__new(pid); + if (th != NULL) { + rb_link_node(&th->rb_node, parent, p); + rb_insert_color(&th->rb_node, threads); + *last_match = th; + } + + return th; +} + +void thread__insert_map(struct thread *self, struct map *map) +{ + struct map *pos, *tmp; + + list_for_each_entry_safe(pos, tmp, &self->maps, node) { + if (map__overlap(pos, map)) { + list_del_init(&pos->node); + /* XXX leaks dsos */ + free(pos); + } + } + + list_add_tail(&map->node, &self->maps); +} + +int thread__fork(struct thread *self, struct thread *parent) +{ + struct map *map; + + if (self->comm) + free(self->comm); + self->comm = strdup(parent->comm); + if (!self->comm) + return -ENOMEM; + + list_for_each_entry(map, &parent->maps, node) { + struct map *new = map__clone(map); + if (!new) + return -ENOMEM; + thread__insert_map(self, new); + } + + return 0; +} + +struct map *thread__find_map(struct thread *self, u64 ip) +{ + struct map *pos; + + if (self == NULL) + return NULL; + + list_for_each_entry(pos, &self->maps, node) + if (ip >= pos->start && ip <= pos->end) + return pos; + + return NULL; +} + +size_t threads__fprintf(FILE *fp, struct rb_root *threads) +{ + size_t ret = 0; + struct rb_node *nd; + + for (nd = rb_first(threads); nd; nd = rb_next(nd)) { + struct thread *pos = rb_entry(nd, struct thread, rb_node); + + ret += thread__fprintf(pos, fp); + } + + return ret; +} diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h new file mode 100644 index 000000000000..b1c66719379b --- /dev/null +++ b/tools/perf/util/thread.h @@ -0,0 +1,19 @@ +#include <linux/rbtree.h> +#include <linux/list.h> +#include <unistd.h> +#include "symbol.h" + +struct thread { + struct rb_node rb_node; + struct list_head maps; + pid_t pid; + char *comm; +}; + +int thread__set_comm(struct thread *self, const char *comm); +struct thread * +threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match); +void thread__insert_map(struct thread *self, struct map *map); +int thread__fork(struct thread *self, struct thread *parent); +struct map *thread__find_map(struct thread *self, u64 ip); +size_t threads__fprintf(FILE *fp, struct rb_root *threads); |