aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/builtin-annotate.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r--tools/perf/builtin-annotate.c198
1 files changed, 2 insertions, 196 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 3940964161b3..fd1b786c8f35 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -34,68 +34,8 @@ static bool full_paths;
34 34
35static bool print_line; 35static bool print_line;
36 36
37struct sym_hist {
38 u64 sum;
39 u64 ip[0];
40};
41
42struct sym_ext {
43 struct rb_node node;
44 double percent;
45 char *path;
46};
47
48struct sym_priv {
49 struct sym_hist *hist;
50 struct sym_ext *ext;
51};
52
53static const char *sym_hist_filter; 37static const char *sym_hist_filter;
54 38
55static int sym__alloc_hist(struct symbol *self)
56{
57 struct sym_priv *priv = symbol__priv(self);
58 const int size = (sizeof(*priv->hist) +
59 (self->end - self->start) * sizeof(u64));
60
61 priv->hist = zalloc(size);
62 return priv->hist == NULL ? -1 : 0;
63}
64
65/*
66 * collect histogram counts
67 */
68static int annotate__hist_hit(struct hist_entry *he, u64 ip)
69{
70 unsigned int sym_size, offset;
71 struct symbol *sym = he->ms.sym;
72 struct sym_priv *priv;
73 struct sym_hist *h;
74
75 if (!sym || !he->ms.map)
76 return 0;
77
78 priv = symbol__priv(sym);
79 if (priv->hist == NULL && sym__alloc_hist(sym) < 0)
80 return -ENOMEM;
81
82 sym_size = sym->end - sym->start;
83 offset = ip - sym->start;
84
85 pr_debug3("%s: ip=%#Lx\n", __func__, he->ms.map->unmap_ip(he->ms.map, ip));
86
87 if (offset >= sym_size)
88 return 0;
89
90 h = priv->hist;
91 h->sum++;
92 h->ip[offset]++;
93
94 pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->ms.sym->start,
95 he->ms.sym->name, ip, ip - he->ms.sym->start, h->ip[offset]);
96 return 0;
97}
98
99static int hists__add_entry(struct hists *self, struct addr_location *al) 39static int hists__add_entry(struct hists *self, struct addr_location *al)
100{ 40{
101 struct hist_entry *he; 41 struct hist_entry *he;
@@ -115,7 +55,7 @@ static int hists__add_entry(struct hists *self, struct addr_location *al)
115 if (he == NULL) 55 if (he == NULL)
116 return -ENOMEM; 56 return -ENOMEM;
117 57
118 return annotate__hist_hit(he, al->addr); 58 return hist_entry__inc_addr_samples(he, al->addr);
119} 59}
120 60
121static int process_sample_event(event_t *event, struct perf_session *session) 61static int process_sample_event(event_t *event, struct perf_session *session)
@@ -140,101 +80,6 @@ static int process_sample_event(event_t *event, struct perf_session *session)
140 return 0; 80 return 0;
141} 81}
142 82
143struct objdump_line {
144 struct list_head node;
145 s64 offset;
146 char *line;
147};
148
149static struct objdump_line *objdump_line__new(s64 offset, char *line)
150{
151 struct objdump_line *self = malloc(sizeof(*self));
152
153 if (self != NULL) {
154 self->offset = offset;
155 self->line = line;
156 }
157
158 return self;
159}
160
161static void objdump_line__free(struct objdump_line *self)
162{
163 free(self->line);
164 free(self);
165}
166
167static void objdump__add_line(struct list_head *head, struct objdump_line *line)
168{
169 list_add_tail(&line->node, head);
170}
171
172static struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
173 struct objdump_line *pos)
174{
175 list_for_each_entry_continue(pos, head, node)
176 if (pos->offset >= 0)
177 return pos;
178
179 return NULL;
180}
181
182static int parse_line(FILE *file, struct hist_entry *he,
183 struct list_head *head)
184{
185 struct symbol *sym = he->ms.sym;
186 struct objdump_line *objdump_line;
187 char *line = NULL, *tmp, *tmp2;
188 size_t line_len;
189 s64 line_ip, offset = -1;
190 char *c;
191
192 if (getline(&line, &line_len, file) < 0)
193 return -1;
194
195 if (!line)
196 return -1;
197
198 c = strchr(line, '\n');
199 if (c)
200 *c = 0;
201
202 line_ip = -1;
203
204 /*
205 * Strip leading spaces:
206 */
207 tmp = line;
208 while (*tmp) {
209 if (*tmp != ' ')
210 break;
211 tmp++;
212 }
213
214 if (*tmp) {
215 /*
216 * Parse hexa addresses followed by ':'
217 */
218 line_ip = strtoull(tmp, &tmp2, 16);
219 if (*tmp2 != ':')
220 line_ip = -1;
221 }
222
223 if (line_ip != -1) {
224 u64 start = map__rip_2objdump(he->ms.map, sym->start);
225 offset = line_ip - start;
226 }
227
228 objdump_line = objdump_line__new(offset, line);
229 if (objdump_line == NULL) {
230 free(line);
231 return -1;
232 }
233 objdump__add_line(head, objdump_line);
234
235 return 0;
236}
237
238static int objdump_line__print(struct objdump_line *self, 83static int objdump_line__print(struct objdump_line *self,
239 struct list_head *head, 84 struct list_head *head,
240 struct hist_entry *he, u64 len) 85 struct hist_entry *he, u64 len)
@@ -439,27 +284,11 @@ static void annotate_sym(struct hist_entry *he)
439 struct symbol *sym = he->ms.sym; 284 struct symbol *sym = he->ms.sym;
440 const char *filename = dso->long_name, *d_filename; 285 const char *filename = dso->long_name, *d_filename;
441 u64 len; 286 u64 len;
442 char command[PATH_MAX*2];
443 FILE *file;
444 LIST_HEAD(head); 287 LIST_HEAD(head);
445 struct objdump_line *pos, *n; 288 struct objdump_line *pos, *n;
446 289
447 if (!filename) 290 if (hist_entry__annotate(he, &head) < 0)
448 return;
449
450 if (dso->origin == DSO__ORIG_KERNEL) {
451 if (dso->annotate_warned)
452 return;
453 dso->annotate_warned = 1;
454 pr_err("Can't annotate %s: No vmlinux file was found in the "
455 "path:\n", sym->name);
456 vmlinux_path__fprintf(stderr);
457 return; 291 return;
458 }
459
460 pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
461 filename, sym->name, map->unmap_ip(map, sym->start),
462 map->unmap_ip(map, sym->end));
463 292
464 if (full_paths) 293 if (full_paths)
465 d_filename = filename; 294 d_filename = filename;
@@ -477,29 +306,6 @@ static void annotate_sym(struct hist_entry *he)
477 printf(" Percent | Source code & Disassembly of %s\n", d_filename); 306 printf(" Percent | Source code & Disassembly of %s\n", d_filename);
478 printf("------------------------------------------------\n"); 307 printf("------------------------------------------------\n");
479 308
480 if (verbose >= 2)
481 printf("annotating [%p] %30s : [%p] %30s\n",
482 dso, dso->long_name, sym, sym->name);
483
484 sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
485 map__rip_2objdump(map, sym->start),
486 map__rip_2objdump(map, sym->end),
487 filename, filename);
488
489 if (verbose >= 3)
490 printf("doing: %s\n", command);
491
492 file = popen(command, "r");
493 if (!file)
494 return;
495
496 while (!feof(file)) {
497 if (parse_line(file, he, &head) < 0)
498 break;
499 }
500
501 pclose(file);
502
503 if (verbose) 309 if (verbose)
504 hist_entry__print_hits(he); 310 hist_entry__print_hits(he);
505 311