Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * builtin-annotate.c |
| 3 | * |
| 4 | * Builtin annotate command: Analyze the perf.data input file, |
| 5 | * look up and read DSOs and symbol information and display |
| 6 | * a histogram of results, along various sorting keys. |
| 7 | */ |
| 8 | #include "builtin.h" |
| 9 | |
| 10 | #include "util/util.h" |
| 11 | |
| 12 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 5da5025 | 2009-07-01 14:46:08 -0300 | [diff] [blame] | 13 | #include <linux/list.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 14 | #include "util/cache.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 15 | #include <linux/rbtree.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 16 | #include "util/symbol.h" |
| 17 | #include "util/string.h" |
| 18 | |
| 19 | #include "perf.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 20 | #include "util/debug.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 21 | |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 22 | #include "util/event.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 23 | #include "util/parse-options.h" |
| 24 | #include "util/parse-events.h" |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 25 | #include "util/thread.h" |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 26 | #include "util/sort.h" |
John Kacur | 3d1d07e | 2009-09-28 15:32:55 +0200 | [diff] [blame] | 27 | #include "util/hist.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 28 | #include "util/session.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 29 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 30 | static char const *input_name = "perf.data"; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 31 | |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 32 | static int force; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 33 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 34 | static int full_paths; |
| 35 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 36 | static int print_line; |
| 37 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 38 | struct sym_hist { |
| 39 | u64 sum; |
| 40 | u64 ip[0]; |
| 41 | }; |
| 42 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 43 | struct sym_ext { |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 44 | struct rb_node node; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 45 | double percent; |
| 46 | char *path; |
| 47 | }; |
| 48 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 49 | struct sym_priv { |
| 50 | struct sym_hist *hist; |
| 51 | struct sym_ext *ext; |
| 52 | }; |
| 53 | |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 54 | static struct symbol_conf symbol_conf = { |
| 55 | .priv_size = sizeof(struct sym_priv), |
| 56 | .try_vmlinux_path = true, |
| 57 | }; |
| 58 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 59 | static const char *sym_hist_filter; |
| 60 | |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 61 | static int symbol_filter(struct map *map __used, struct symbol *sym) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 62 | { |
Arnaldo Carvalho de Melo | 8f0b037 | 2009-10-20 15:08:29 -0200 | [diff] [blame] | 63 | if (sym_hist_filter == NULL || |
| 64 | strcmp(sym->name, sym_hist_filter) == 0) { |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 65 | struct sym_priv *priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 66 | const int size = (sizeof(*priv->hist) + |
| 67 | (sym->end - sym->start) * sizeof(u64)); |
| 68 | |
| 69 | priv->hist = malloc(size); |
| 70 | if (priv->hist) |
| 71 | memset(priv->hist, 0, size); |
| 72 | return 0; |
| 73 | } |
| 74 | /* |
| 75 | * FIXME: We should really filter it out, as we don't want to go thru symbols |
| 76 | * we're not interested, and if a DSO ends up with no symbols, delete it too, |
| 77 | * but right now the kernel loading routines in symbol.c bail out if no symbols |
| 78 | * are found, fix it later. |
| 79 | */ |
| 80 | return 0; |
| 81 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 82 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 83 | /* |
| 84 | * collect histogram counts |
| 85 | */ |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 86 | static void hist_hit(struct hist_entry *he, u64 ip) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 87 | { |
| 88 | unsigned int sym_size, offset; |
| 89 | struct symbol *sym = he->sym; |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 90 | struct sym_priv *priv; |
| 91 | struct sym_hist *h; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 92 | |
| 93 | he->count++; |
| 94 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 95 | if (!sym || !he->map) |
| 96 | return; |
| 97 | |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 98 | priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 99 | if (!priv->hist) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 100 | return; |
| 101 | |
| 102 | sym_size = sym->end - sym->start; |
| 103 | offset = ip - sym->start; |
| 104 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 105 | if (verbose) |
| 106 | fprintf(stderr, "%s: ip=%Lx\n", __func__, |
| 107 | he->map->unmap_ip(he->map, ip)); |
| 108 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 109 | if (offset >= sym_size) |
| 110 | return; |
| 111 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 112 | h = priv->hist; |
| 113 | h->sum++; |
| 114 | h->ip[offset]++; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 115 | |
| 116 | if (verbose >= 3) |
| 117 | printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", |
Arjan van de Ven | 7d37a0c | 2009-06-06 20:36:38 +0200 | [diff] [blame] | 118 | (void *)(unsigned long)he->sym->start, |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 119 | he->sym->name, |
Arjan van de Ven | 7d37a0c | 2009-06-06 20:36:38 +0200 | [diff] [blame] | 120 | (void *)(unsigned long)ip, ip - he->sym->start, |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 121 | h->ip[offset]); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 122 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 123 | |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 124 | static int perf_session__add_hist_entry(struct perf_session *self, |
| 125 | struct addr_location *al, u64 count) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 126 | { |
Arnaldo Carvalho de Melo | 9735abf | 2009-10-03 10:42:45 -0300 | [diff] [blame] | 127 | bool hit; |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 128 | struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL, |
| 129 | count, &hit); |
Arnaldo Carvalho de Melo | 9735abf | 2009-10-03 10:42:45 -0300 | [diff] [blame] | 130 | if (he == NULL) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 131 | return -ENOMEM; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 132 | hist_hit(he, al->addr); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 133 | return 0; |
| 134 | } |
| 135 | |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 136 | static int process_sample_event(event_t *event, struct perf_session *session) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 137 | { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 138 | struct addr_location al; |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 139 | |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 140 | dump_printf("(IP, %d): %d: %p\n", event->header.misc, |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 141 | event->ip.pid, (void *)(long)event->ip.ip); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 142 | |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 143 | if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) { |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 144 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
| 145 | event->header.type); |
| 146 | return -1; |
| 147 | } |
| 148 | |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 149 | if (perf_session__add_hist_entry(session, &al, 1)) { |
Arnaldo Carvalho de Melo | ec218fc | 2009-10-03 20:30:48 -0300 | [diff] [blame] | 150 | fprintf(stderr, "problem incrementing symbol count, " |
| 151 | "skipping event\n"); |
| 152 | return -1; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 153 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 154 | |
| 155 | return 0; |
| 156 | } |
| 157 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 158 | static int parse_line(FILE *file, struct hist_entry *he, u64 len) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 159 | { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 160 | struct symbol *sym = he->sym; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 161 | char *line = NULL, *tmp, *tmp2; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 162 | static const char *prev_line; |
| 163 | static const char *prev_color; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 164 | unsigned int offset; |
| 165 | size_t line_len; |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 166 | u64 start; |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 167 | s64 line_ip; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 168 | int ret; |
| 169 | char *c; |
| 170 | |
| 171 | if (getline(&line, &line_len, file) < 0) |
| 172 | return -1; |
| 173 | if (!line) |
| 174 | return -1; |
| 175 | |
| 176 | c = strchr(line, '\n'); |
| 177 | if (c) |
| 178 | *c = 0; |
| 179 | |
| 180 | line_ip = -1; |
| 181 | offset = 0; |
| 182 | ret = -2; |
| 183 | |
| 184 | /* |
| 185 | * Strip leading spaces: |
| 186 | */ |
| 187 | tmp = line; |
| 188 | while (*tmp) { |
| 189 | if (*tmp != ' ') |
| 190 | break; |
| 191 | tmp++; |
| 192 | } |
| 193 | |
| 194 | if (*tmp) { |
| 195 | /* |
| 196 | * Parse hexa addresses followed by ':' |
| 197 | */ |
| 198 | line_ip = strtoull(tmp, &tmp2, 16); |
| 199 | if (*tmp2 != ':') |
| 200 | line_ip = -1; |
| 201 | } |
| 202 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 203 | start = he->map->unmap_ip(he->map, sym->start); |
| 204 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 205 | if (line_ip != -1) { |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 206 | const char *path = NULL; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 207 | unsigned int hits = 0; |
| 208 | double percent = 0.0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 209 | const char *color; |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 210 | struct sym_priv *priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 211 | struct sym_ext *sym_ext = priv->ext; |
| 212 | struct sym_hist *h = priv->hist; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 213 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 214 | offset = line_ip - start; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 215 | if (offset < len) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 216 | hits = h->ip[offset]; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 217 | |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 218 | if (offset < len && sym_ext) { |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 219 | path = sym_ext[offset].path; |
| 220 | percent = sym_ext[offset].percent; |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 221 | } else if (h->sum) |
| 222 | percent = 100.0 * hits / h->sum; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 223 | |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 224 | color = get_percent_color(percent); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 225 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 226 | /* |
| 227 | * Also color the filename and line if needed, with |
| 228 | * the same color than the percentage. Don't print it |
| 229 | * twice for close colored ip with the same filename:line |
| 230 | */ |
| 231 | if (path) { |
| 232 | if (!prev_line || strcmp(prev_line, path) |
| 233 | || color != prev_color) { |
| 234 | color_fprintf(stdout, color, " %s", path); |
| 235 | prev_line = path; |
| 236 | prev_color = color; |
| 237 | } |
| 238 | } |
| 239 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 240 | color_fprintf(stdout, color, " %7.2f", percent); |
| 241 | printf(" : "); |
| 242 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); |
| 243 | } else { |
| 244 | if (!*line) |
| 245 | printf(" :\n"); |
| 246 | else |
| 247 | printf(" : %s\n", line); |
| 248 | } |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 253 | static struct rb_root root_sym_ext; |
| 254 | |
| 255 | static void insert_source_line(struct sym_ext *sym_ext) |
| 256 | { |
| 257 | struct sym_ext *iter; |
| 258 | struct rb_node **p = &root_sym_ext.rb_node; |
| 259 | struct rb_node *parent = NULL; |
| 260 | |
| 261 | while (*p != NULL) { |
| 262 | parent = *p; |
| 263 | iter = rb_entry(parent, struct sym_ext, node); |
| 264 | |
| 265 | if (sym_ext->percent > iter->percent) |
| 266 | p = &(*p)->rb_left; |
| 267 | else |
| 268 | p = &(*p)->rb_right; |
| 269 | } |
| 270 | |
| 271 | rb_link_node(&sym_ext->node, parent, p); |
| 272 | rb_insert_color(&sym_ext->node, &root_sym_ext); |
| 273 | } |
| 274 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 275 | static void free_source_line(struct hist_entry *he, int len) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 276 | { |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 277 | struct sym_priv *priv = symbol__priv(he->sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 278 | struct sym_ext *sym_ext = priv->ext; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 279 | int i; |
| 280 | |
| 281 | if (!sym_ext) |
| 282 | return; |
| 283 | |
| 284 | for (i = 0; i < len; i++) |
| 285 | free(sym_ext[i].path); |
| 286 | free(sym_ext); |
| 287 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 288 | priv->ext = NULL; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 289 | root_sym_ext = RB_ROOT; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | /* Get the filename:line for the colored entries */ |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 293 | static void |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 294 | get_source_line(struct hist_entry *he, int len, const char *filename) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 295 | { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 296 | struct symbol *sym = he->sym; |
| 297 | u64 start; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 298 | int i; |
| 299 | char cmd[PATH_MAX * 2]; |
| 300 | struct sym_ext *sym_ext; |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 301 | struct sym_priv *priv = symbol__priv(sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 302 | struct sym_hist *h = priv->hist; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 303 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 304 | if (!h->sum) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 305 | return; |
| 306 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 307 | sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); |
| 308 | if (!priv->ext) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 309 | return; |
| 310 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 311 | start = he->map->unmap_ip(he->map, sym->start); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 312 | |
| 313 | for (i = 0; i < len; i++) { |
| 314 | char *path = NULL; |
| 315 | size_t line_len; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 316 | u64 offset; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 317 | FILE *fp; |
| 318 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 319 | sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 320 | if (sym_ext[i].percent <= 0.5) |
| 321 | continue; |
| 322 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 323 | offset = start + i; |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 324 | sprintf(cmd, "addr2line -e %s %016llx", filename, offset); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 325 | fp = popen(cmd, "r"); |
| 326 | if (!fp) |
| 327 | continue; |
| 328 | |
| 329 | if (getline(&path, &line_len, fp) < 0 || !line_len) |
| 330 | goto next; |
| 331 | |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 332 | sym_ext[i].path = malloc(sizeof(char) * line_len + 1); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 333 | if (!sym_ext[i].path) |
| 334 | goto next; |
| 335 | |
| 336 | strcpy(sym_ext[i].path, path); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 337 | insert_source_line(&sym_ext[i]); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 338 | |
| 339 | next: |
| 340 | pclose(fp); |
| 341 | } |
| 342 | } |
| 343 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 344 | static void print_summary(const char *filename) |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 345 | { |
| 346 | struct sym_ext *sym_ext; |
| 347 | struct rb_node *node; |
| 348 | |
| 349 | printf("\nSorted summary for file %s\n", filename); |
| 350 | printf("----------------------------------------------\n\n"); |
| 351 | |
| 352 | if (RB_EMPTY_ROOT(&root_sym_ext)) { |
| 353 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); |
| 354 | return; |
| 355 | } |
| 356 | |
| 357 | node = rb_first(&root_sym_ext); |
| 358 | while (node) { |
| 359 | double percent; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 360 | const char *color; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 361 | char *path; |
| 362 | |
| 363 | sym_ext = rb_entry(node, struct sym_ext, node); |
| 364 | percent = sym_ext->percent; |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 365 | color = get_percent_color(percent); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 366 | path = sym_ext->path; |
| 367 | |
| 368 | color_fprintf(stdout, color, " %7.2f %s", percent, path); |
| 369 | node = rb_next(node); |
| 370 | } |
| 371 | } |
| 372 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 373 | static void annotate_sym(struct hist_entry *he) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 374 | { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 375 | struct map *map = he->map; |
| 376 | struct dso *dso = map->dso; |
| 377 | struct symbol *sym = he->sym; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 378 | const char *filename = dso->long_name, *d_filename; |
| 379 | u64 len; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 380 | char command[PATH_MAX*2]; |
| 381 | FILE *file; |
| 382 | |
| 383 | if (!filename) |
| 384 | return; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 385 | |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 386 | if (verbose) |
| 387 | fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n", |
| 388 | __func__, filename, sym->name, |
| 389 | map->unmap_ip(map, sym->start), |
| 390 | map->unmap_ip(map, sym->end)); |
| 391 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 392 | if (full_paths) |
| 393 | d_filename = filename; |
| 394 | else |
| 395 | d_filename = basename(filename); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 396 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 397 | len = sym->end - sym->start; |
| 398 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 399 | if (print_line) { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 400 | get_source_line(he, len, filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 401 | print_summary(filename); |
| 402 | } |
| 403 | |
| 404 | printf("\n\n------------------------------------------------\n"); |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 405 | printf(" Percent | Source code & Disassembly of %s\n", d_filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 406 | printf("------------------------------------------------\n"); |
| 407 | |
| 408 | if (verbose >= 2) |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 409 | printf("annotating [%p] %30s : [%p] %30s\n", |
| 410 | dso, dso->long_name, sym, sym->name); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 411 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 412 | sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 413 | map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end), |
| 414 | filename, filename); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 415 | |
| 416 | if (verbose >= 3) |
| 417 | printf("doing: %s\n", command); |
| 418 | |
| 419 | file = popen(command, "r"); |
| 420 | if (!file) |
| 421 | return; |
| 422 | |
| 423 | while (!feof(file)) { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 424 | if (parse_line(file, he, len) < 0) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 425 | break; |
| 426 | } |
| 427 | |
| 428 | pclose(file); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 429 | if (print_line) |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 430 | free_source_line(he, len); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 431 | } |
| 432 | |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 433 | static void perf_session__find_annotations(struct perf_session *self) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 434 | { |
| 435 | struct rb_node *nd; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 436 | |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 437 | for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { |
Arnaldo Carvalho de Melo | ed52ce2 | 2009-10-19 17:17:57 -0200 | [diff] [blame] | 438 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 439 | struct sym_priv *priv; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 440 | |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 441 | if (he->sym == NULL) |
| 442 | continue; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 443 | |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 444 | priv = symbol__priv(he->sym); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 445 | if (priv->hist == NULL) |
| 446 | continue; |
| 447 | |
| 448 | annotate_sym(he); |
Arnaldo Carvalho de Melo | e420499 | 2009-10-20 14:25:40 -0200 | [diff] [blame] | 449 | /* |
| 450 | * Since we have a hist_entry per IP for the same symbol, free |
| 451 | * he->sym->hist to signal we already processed this symbol. |
| 452 | */ |
| 453 | free(priv->hist); |
| 454 | priv->hist = NULL; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 455 | } |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 456 | } |
| 457 | |
Arnaldo Carvalho de Melo | 301a0b0 | 2009-12-13 19:50:25 -0200 | [diff] [blame] | 458 | static struct perf_event_ops event_ops = { |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 459 | .process_sample_event = process_sample_event, |
| 460 | .process_mmap_event = event__process_mmap, |
| 461 | .process_comm_event = event__process_comm, |
| 462 | .process_fork_event = event__process_task, |
| 463 | }; |
| 464 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 465 | static int __cmd_annotate(void) |
| 466 | { |
Arnaldo Carvalho de Melo | 301a0b0 | 2009-12-13 19:50:25 -0200 | [diff] [blame] | 467 | struct perf_session *session = perf_session__new(input_name, O_RDONLY, |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 468 | force, &symbol_conf); |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 469 | int ret; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 470 | |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 471 | if (session == NULL) |
| 472 | return -ENOMEM; |
| 473 | |
Arnaldo Carvalho de Melo | ec91336 | 2009-12-13 19:50:27 -0200 | [diff] [blame] | 474 | ret = perf_session__process_events(session, &event_ops); |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 475 | if (ret) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 476 | goto out_delete; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 477 | |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 478 | if (dump_trace) { |
| 479 | event__print_totals(); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 480 | goto out_delete; |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 481 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 482 | |
Arnaldo Carvalho de Melo | da21d1b | 2009-10-07 10:49:00 -0300 | [diff] [blame] | 483 | if (verbose > 3) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 484 | perf_session__fprintf(session, stdout); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 485 | |
Arnaldo Carvalho de Melo | da21d1b | 2009-10-07 10:49:00 -0300 | [diff] [blame] | 486 | if (verbose > 2) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 487 | dsos__fprintf(stdout); |
| 488 | |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 489 | perf_session__collapse_resort(session); |
Arnaldo Carvalho de Melo | f823e44 | 2009-12-14 15:06:01 -0200 | [diff] [blame^] | 490 | perf_session__output_resort(session, session->event_total[0]); |
Arnaldo Carvalho de Melo | 4e4f06e | 2009-12-14 13:10:39 -0200 | [diff] [blame] | 491 | perf_session__find_annotations(session); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 492 | out_delete: |
| 493 | perf_session__delete(session); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 494 | |
Li Zefan | bab81b6 | 2009-12-01 14:04:49 +0800 | [diff] [blame] | 495 | return ret; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | static const char * const annotate_usage[] = { |
| 499 | "perf annotate [<options>] <command>", |
| 500 | NULL |
| 501 | }; |
| 502 | |
| 503 | static const struct option options[] = { |
| 504 | OPT_STRING('i', "input", &input_name, "file", |
| 505 | "input file name"), |
Ingo Molnar | 23b8711 | 2009-06-06 21:25:29 +0200 | [diff] [blame] | 506 | OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 507 | "symbol to annotate"), |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 508 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 509 | OPT_BOOLEAN('v', "verbose", &verbose, |
| 510 | "be more verbose (show symbol address, etc)"), |
| 511 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| 512 | "dump raw trace in ASCII"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 513 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 514 | "file", "vmlinux pathname"), |
| 515 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 516 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 517 | OPT_BOOLEAN('l', "print-line", &print_line, |
| 518 | "print matching source lines (may be slow)"), |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 519 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
| 520 | "Don't shorten the displayed pathnames"), |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 521 | OPT_END() |
| 522 | }; |
| 523 | |
| 524 | static void setup_sorting(void) |
| 525 | { |
| 526 | char *tmp, *tok, *str = strdup(sort_order); |
| 527 | |
| 528 | for (tok = strtok_r(str, ", ", &tmp); |
| 529 | tok; tok = strtok_r(NULL, ", ", &tmp)) { |
| 530 | if (sort_dimension__add(tok) < 0) { |
| 531 | error("Unknown --sort key: `%s'", tok); |
| 532 | usage_with_options(annotate_usage, options); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | free(str); |
| 537 | } |
| 538 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 539 | int cmd_annotate(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 540 | { |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 541 | if (symbol__init(&symbol_conf) < 0) |
| 542 | return -1; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 543 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 544 | argc = parse_options(argc, argv, options, annotate_usage, 0); |
| 545 | |
| 546 | setup_sorting(); |
| 547 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 548 | if (argc) { |
| 549 | /* |
| 550 | * Special case: if there's an argument left then assume tha |
| 551 | * it's a symbol filter: |
| 552 | */ |
| 553 | if (argc > 1) |
| 554 | usage_with_options(annotate_usage, options); |
| 555 | |
| 556 | sym_hist_filter = argv[0]; |
| 557 | } |
| 558 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 559 | setup_pager(); |
| 560 | |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 561 | if (field_sep && *field_sep == '.') { |
| 562 | fputs("'.' is the only non valid --field-separator argument\n", |
| 563 | stderr); |
| 564 | exit(129); |
| 565 | } |
| 566 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 567 | return __cmd_annotate(); |
| 568 | } |