X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=tools%2Fperf%2Fbuiltin-annotate.c;h=08278eda31a548cb80cbf512b8f7250e1b7dfe37;hb=46e3e055ce69a00d735e458445ab1d24718ff751;hp=6ad7148451c5bcc32995c08e75a920d0898e4c7e;hpb=eefc465cdd49cb89a742083fac2807c718ddad31;p=safe%2Fjmp%2Flinux-2.6 diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 6ad7148..08278ed 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -14,7 +14,6 @@ #include "util/cache.h" #include #include "util/symbol.h" -#include "util/string.h" #include "perf.h" #include "util/debug.h" @@ -29,80 +28,16 @@ static char const *input_name = "perf.data"; -static int force; +static bool force; -static int full_paths; +static bool full_paths; -static int print_line; - -struct sym_hist { - u64 sum; - u64 ip[0]; -}; - -struct sym_ext { - struct rb_node node; - double percent; - char *path; -}; - -struct sym_priv { - struct sym_hist *hist; - struct sym_ext *ext; -}; +static bool print_line; static const char *sym_hist_filter; -static int sym__alloc_hist(struct symbol *self) -{ - struct sym_priv *priv = symbol__priv(self); - const int size = (sizeof(*priv->hist) + - (self->end - self->start) * sizeof(u64)); - - priv->hist = zalloc(size); - return priv->hist == NULL ? -1 : 0; -} - -/* - * collect histogram counts - */ -static int annotate__hist_hit(struct hist_entry *he, u64 ip) -{ - unsigned int sym_size, offset; - struct symbol *sym = he->sym; - struct sym_priv *priv; - struct sym_hist *h; - - he->count++; - - if (!sym || !he->map) - return 0; - - priv = symbol__priv(sym); - if (priv->hist == NULL && sym__alloc_hist(sym) < 0) - return -ENOMEM; - - sym_size = sym->end - sym->start; - offset = ip - sym->start; - - pr_debug3("%s: ip=%#Lx\n", __func__, he->map->unmap_ip(he->map, ip)); - - if (offset >= sym_size) - return 0; - - h = priv->hist; - h->sum++; - h->ip[offset]++; - - pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->sym->start, - he->sym->name, ip, ip - he->sym->start, h->ip[offset]); - return 0; -} - -static int perf_session__add_hist_entry(struct perf_session *self, - struct addr_location *al, u64 count) +static int hists__add_entry(struct hists *self, struct addr_location *al) { - bool hit; struct hist_entry *he; if (sym_hist_filter != NULL && @@ -116,11 +51,11 @@ static int perf_session__add_hist_entry(struct perf_session *self, return 0; } - he = __perf_session__add_hist_entry(&self->hists, al, NULL, count, &hit); + he = __hists__add_entry(self, al, NULL, 1); if (he == NULL) return -ENOMEM; - return annotate__hist_hit(he, al->addr); + return hist_entry__inc_addr_samples(he, al->addr); } static int process_sample_event(event_t *event, struct perf_session *session) @@ -136,7 +71,7 @@ static int process_sample_event(event_t *event, struct perf_session *session) return -1; } - if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) { + if (!al.filtered && hists__add_entry(&session->hists, &al)) { pr_warning("problem incrementing symbol count, " "skipping event\n"); return -1; @@ -145,106 +80,11 @@ static int process_sample_event(event_t *event, struct perf_session *session) return 0; } -struct objdump_line { - struct list_head node; - s64 offset; - char *line; -}; - -static struct objdump_line *objdump_line__new(s64 offset, char *line) -{ - struct objdump_line *self = malloc(sizeof(*self)); - - if (self != NULL) { - self->offset = offset; - self->line = line; - } - - return self; -} - -static void objdump_line__free(struct objdump_line *self) -{ - free(self->line); - free(self); -} - -static void objdump__add_line(struct list_head *head, struct objdump_line *line) -{ - list_add_tail(&line->node, head); -} - -static struct objdump_line *objdump__get_next_ip_line(struct list_head *head, - struct objdump_line *pos) -{ - list_for_each_entry_continue(pos, head, node) - if (pos->offset >= 0) - return pos; - - return NULL; -} - -static int parse_line(FILE *file, struct hist_entry *he, - struct list_head *head) -{ - struct symbol *sym = he->sym; - struct objdump_line *objdump_line; - char *line = NULL, *tmp, *tmp2; - size_t line_len; - s64 line_ip, offset = -1; - char *c; - - if (getline(&line, &line_len, file) < 0) - return -1; - - if (!line) - return -1; - - c = strchr(line, '\n'); - if (c) - *c = 0; - - line_ip = -1; - - /* - * Strip leading spaces: - */ - tmp = line; - while (*tmp) { - if (*tmp != ' ') - break; - tmp++; - } - - if (*tmp) { - /* - * Parse hexa addresses followed by ':' - */ - line_ip = strtoull(tmp, &tmp2, 16); - if (*tmp2 != ':') - line_ip = -1; - } - - if (line_ip != -1) { - u64 start = map__rip_2objdump(he->map, sym->start); - offset = line_ip - start; - } - - objdump_line = objdump_line__new(offset, line); - if (objdump_line == NULL) { - free(line); - return -1; - } - objdump__add_line(head, objdump_line); - - return 0; -} - static int objdump_line__print(struct objdump_line *self, struct list_head *head, struct hist_entry *he, u64 len) { - struct symbol *sym = he->sym; + struct symbol *sym = he->ms.sym; static const char *prev_line; static const char *prev_color; @@ -327,7 +167,7 @@ static void insert_source_line(struct sym_ext *sym_ext) static void free_source_line(struct hist_entry *he, int len) { - struct sym_priv *priv = symbol__priv(he->sym); + struct sym_priv *priv = symbol__priv(he->ms.sym); struct sym_ext *sym_ext = priv->ext; int i; @@ -346,7 +186,7 @@ static void free_source_line(struct hist_entry *he, int len) static void get_source_line(struct hist_entry *he, int len, const char *filename) { - struct symbol *sym = he->sym; + struct symbol *sym = he->ms.sym; u64 start; int i; char cmd[PATH_MAX * 2]; @@ -361,7 +201,7 @@ get_source_line(struct hist_entry *he, int len, const char *filename) if (!priv->ext) return; - start = he->map->unmap_ip(he->map, sym->start); + start = he->ms.map->unmap_ip(he->ms.map, sym->start); for (i = 0; i < len; i++) { char *path = NULL; @@ -425,7 +265,7 @@ static void print_summary(const char *filename) static void hist_entry__print_hits(struct hist_entry *self) { - struct symbol *sym = self->sym; + struct symbol *sym = self->ms.sym; struct sym_priv *priv = symbol__priv(sym); struct sym_hist *h = priv->hist; u64 len = sym->end - sym->start, offset; @@ -437,24 +277,18 @@ static void hist_entry__print_hits(struct hist_entry *self) printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); } -static void annotate_sym(struct hist_entry *he) +static int hist_entry__tty_annotate(struct hist_entry *he) { - struct map *map = he->map; + struct map *map = he->ms.map; struct dso *dso = map->dso; - struct symbol *sym = he->sym; + struct symbol *sym = he->ms.sym; const char *filename = dso->long_name, *d_filename; u64 len; - char command[PATH_MAX*2]; - FILE *file; LIST_HEAD(head); struct objdump_line *pos, *n; - if (!filename) - return; - - pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, - filename, sym->name, map->unmap_ip(map, sym->start), - map->unmap_ip(map, sym->end)); + if (hist_entry__annotate(he, &head) < 0) + return -1; if (full_paths) d_filename = filename; @@ -472,29 +306,6 @@ static void annotate_sym(struct hist_entry *he) printf(" Percent | Source code & Disassembly of %s\n", d_filename); printf("------------------------------------------------\n"); - if (verbose >= 2) - printf("annotating [%p] %30s : [%p] %30s\n", - dso, dso->long_name, sym, sym->name); - - sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", - map__rip_2objdump(map, sym->start), - map__rip_2objdump(map, sym->end), - filename, filename); - - if (verbose >= 3) - printf("doing: %s\n", command); - - file = popen(command, "r"); - if (!file) - return; - - while (!feof(file)) { - if (parse_line(file, he, &head) < 0) - break; - } - - pclose(file); - if (verbose) hist_entry__print_hits(he); @@ -506,30 +317,59 @@ static void annotate_sym(struct hist_entry *he) if (print_line) free_source_line(he, len); + + return 0; } -static void perf_session__find_annotations(struct perf_session *self) +static void hists__find_annotations(struct hists *self) { - struct rb_node *nd; + struct rb_node *first = rb_first(&self->entries), *nd = first; + int key = KEY_RIGHT; - for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { + while (nd) { struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); struct sym_priv *priv; - if (he->sym == NULL) - continue; + if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned) + goto find_next; - priv = symbol__priv(he->sym); - if (priv->hist == NULL) + priv = symbol__priv(he->ms.sym); + if (priv->hist == NULL) { +find_next: + if (key == KEY_LEFT) + nd = rb_prev(nd); + else + nd = rb_next(nd); continue; + } - annotate_sym(he); - /* - * Since we have a hist_entry per IP for the same symbol, free - * he->sym->hist to signal we already processed this symbol. - */ - free(priv->hist); - priv->hist = NULL; + if (use_browser) { + key = hist_entry__tui_annotate(he); + if (is_exit_key(key)) + break; + switch (key) { + case KEY_RIGHT: + case '\t': + nd = rb_next(nd); + break; + case KEY_LEFT: + if (nd == first) + continue; + nd = rb_prev(nd); + default: + break; + } + } else { + hist_entry__tty_annotate(he); + nd = rb_next(nd); + /* + * Since we have a hist_entry per IP for the same + * symbol, free he->ms.sym->hist to signal we already + * processed this symbol. + */ + free(priv->hist); + priv->hist = NULL; + } } } @@ -545,7 +385,7 @@ static int __cmd_annotate(void) int ret; struct perf_session *session; - session = perf_session__new(input_name, O_RDONLY, force); + session = perf_session__new(input_name, O_RDONLY, force, false); if (session == NULL) return -ENOMEM; @@ -554,7 +394,7 @@ static int __cmd_annotate(void) goto out_delete; if (dump_trace) { - event__print_totals(); + perf_session__fprintf_nr_events(session, stdout); goto out_delete; } @@ -562,11 +402,11 @@ static int __cmd_annotate(void) perf_session__fprintf(session, stdout); if (verbose > 2) - dsos__fprintf(stdout); + perf_session__fprintf_dsos(session, stdout); - perf_session__collapse_resort(&session->hists); - perf_session__output_resort(&session->hists, session->event_total[0]); - perf_session__find_annotations(session); + hists__collapse_resort(&session->hists); + hists__output_resort(&session->hists); + hists__find_annotations(&session->hists); out_delete: perf_session__delete(session); @@ -581,10 +421,12 @@ static const char * const annotate_usage[] = { static const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), + OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", + "only consider symbols in these dsos"), OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", "symbol to annotate"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), - OPT_BOOLEAN('v', "verbose", &verbose, + OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), @@ -603,6 +445,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used) { argc = parse_options(argc, argv, options, annotate_usage, 0); + setup_browser(); + symbol_conf.priv_size = sizeof(struct sym_priv); symbol_conf.try_vmlinux_path = true; @@ -622,8 +466,6 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used) sym_hist_filter = argv[0]; } - setup_pager(); - if (field_sep && *field_sep == '.') { pr_err("'.' is the only non valid --field-separator argument\n"); return -1;