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-rw-r--r--tools/perf/builtin-annotate.c62
-rw-r--r--tools/perf/util/event.h8
-rw-r--r--tools/perf/util/map.c6
-rw-r--r--tools/perf/util/symbol.c8
4 files changed, 58 insertions, 26 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 56ba716..06f1027 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -58,9 +58,12 @@ static void hist_hit(struct hist_entry *he, u64 ip)
return;
sym_size = sym->end - sym->start;
- ip = he->map->map_ip(he->map, ip);
offset = ip - sym->start;
+ if (verbose)
+ fprintf(stderr, "%s: ip=%Lx\n", __func__,
+ he->map->unmap_ip(he->map, ip));
+
if (offset >= sym_size)
return;
@@ -83,8 +86,7 @@ static int hist_entry__add(struct thread *thread, struct map *map,
count, level, &hit);
if (he == NULL)
return -ENOMEM;
- if (hit)
- hist_hit(he, ip);
+ hist_hit(he, ip);
return 0;
}
@@ -260,14 +262,15 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
return 0;
}
-static int
-parse_line(FILE *file, struct symbol *sym, u64 len)
+static int parse_line(FILE *file, struct hist_entry *he, u64 len)
{
+ struct symbol *sym = he->sym;
char *line = NULL, *tmp, *tmp2;
static const char *prev_line;
static const char *prev_color;
unsigned int offset;
size_t line_len;
+ u64 start;
s64 line_ip;
int ret;
char *c;
@@ -304,6 +307,8 @@ parse_line(FILE *file, struct symbol *sym, u64 len)
line_ip = -1;
}
+ start = he->map->unmap_ip(he->map, sym->start);
+
if (line_ip != -1) {
const char *path = NULL;
unsigned int hits = 0;
@@ -311,7 +316,7 @@ parse_line(FILE *file, struct symbol *sym, u64 len)
const char *color;
struct sym_ext *sym_ext = sym->priv;
- offset = line_ip - sym->start;
+ offset = line_ip - start;
if (offset < len)
hits = sym->hist[offset];
@@ -390,8 +395,10 @@ static void free_source_line(struct symbol *sym, int len)
/* Get the filename:line for the colored entries */
static void
-get_source_line(struct symbol *sym, int len, const char *filename)
+get_source_line(struct hist_entry *he, int len, const char *filename)
{
+ struct symbol *sym = he->sym;
+ u64 start;
int i;
char cmd[PATH_MAX * 2];
struct sym_ext *sym_ext;
@@ -404,6 +411,7 @@ get_source_line(struct symbol *sym, int len, const char *filename)
return;
sym_ext = sym->priv;
+ start = he->map->unmap_ip(he->map, sym->start);
for (i = 0; i < len; i++) {
char *path = NULL;
@@ -415,7 +423,7 @@ get_source_line(struct symbol *sym, int len, const char *filename)
if (sym_ext[i].percent <= 0.5)
continue;
- offset = sym->start + i;
+ offset = start + i;
sprintf(cmd, "addr2line -e %s %016llx", filename, offset);
fp = popen(cmd, "r");
if (!fp)
@@ -465,8 +473,11 @@ static void print_summary(const char *filename)
}
}
-static void annotate_sym(struct dso *dso, struct symbol *sym)
+static void annotate_sym(struct hist_entry *he)
{
+ struct map *map = he->map;
+ struct dso *dso = map->dso;
+ struct symbol *sym = he->sym;
const char *filename = dso->long_name, *d_filename;
u64 len;
char command[PATH_MAX*2];
@@ -475,6 +486,12 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
if (!filename)
return;
+ if (verbose)
+ fprintf(stderr, "%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 (full_paths)
d_filename = filename;
else
@@ -483,7 +500,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
len = sym->end - sym->start;
if (print_line) {
- get_source_line(sym, len, filename);
+ get_source_line(he, len, filename);
print_summary(filename);
}
@@ -496,7 +513,8 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
dso, dso->long_name, sym, sym->name);
sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
- sym->start, sym->end, filename, filename);
+ map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end),
+ filename, filename);
if (verbose >= 3)
printf("doing: %s\n", command);
@@ -506,7 +524,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
return;
while (!feof(file)) {
- if (parse_line(file, sym, len) < 0)
+ if (parse_line(file, he, len) < 0)
break;
}
@@ -518,18 +536,22 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
static void find_annotations(void)
{
struct rb_node *nd;
- struct dso *dso;
int count = 0;
- list_for_each_entry(dso, &dsos, node) {
+ for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
+ struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
- for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) {
- struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
+ if (he->sym && he->sym->hist) {
+ annotate_sym(he);
+ count++;
+ /*
+ * Since we have a hist_entry per IP for the same
+ * symbol, free he->sym->hist to signal we already
+ * processed this symbol.
+ */
+ free(he->sym->hist);
+ he->sym->hist = NULL;
- if (sym->hist) {
- annotate_sym(dso, sym);
- count++;
- }
}
}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index c2e62be..6b5be56 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -82,6 +82,7 @@ struct map {
u64 end;
u64 pgoff;
u64 (*map_ip)(struct map *, u64);
+ u64 (*unmap_ip)(struct map *, u64);
struct dso *dso;
};
@@ -90,7 +91,12 @@ static inline u64 map__map_ip(struct map *map, u64 ip)
return ip - map->start + map->pgoff;
}
-static inline u64 vdso__map_ip(struct map *map __used, u64 ip)
+static inline u64 map__unmap_ip(struct map *map, u64 ip)
+{
+ return ip + map->start - map->pgoff;
+}
+
+static inline u64 identity__map_ip(struct map *map __used, u64 ip)
{
return ip;
}
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 804e023..4e203d1 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -54,9 +54,11 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen)
goto out_delete;
if (self->dso == vdso || anon)
- self->map_ip = vdso__map_ip;
- else
+ self->map_ip = self->unmap_ip = identity__map_ip;
+ else {
self->map_ip = map__map_ip;
+ self->unmap_ip = map__unmap_ip;
+ }
}
return self;
out_delete:
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index faa84f5..3350119 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -337,7 +337,7 @@ static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules)
return -1;
}
- map->map_ip = vdso__map_ip;
+ map->map_ip = map->unmap_ip = identity__map_ip;
kernel_maps__insert(map);
++kernel_range;
}
@@ -790,7 +790,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
dso__delete(curr_dso);
goto out_elf_end;
}
- curr_map->map_ip = vdso__map_ip;
+ curr_map->map_ip = identity__map_ip;
+ curr_map->unmap_ip = identity__map_ip;
curr_dso->origin = DSO__ORIG_KERNEL;
kernel_maps__insert(curr_map);
dsos__add(curr_dso);
@@ -1158,6 +1159,7 @@ static struct map *map__new2(u64 start, struct dso *dso)
self->pgoff = 0;
self->dso = dso;
self->map_ip = map__map_ip;
+ self->unmap_ip = map__unmap_ip;
RB_CLEAR_NODE(&self->rb_node);
}
return self;
@@ -1259,7 +1261,7 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
if (kernel_map == NULL)
goto out_delete_dso;
- kernel_map->map_ip = vdso__map_ip;
+ kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip;
if (use_modules && dsos__load_modules(sym_priv_size) < 0) {
fprintf(stderr, "Failed to load list of modules in use! "
generated by cgit v0.10.2 at 2024-11-15 19:31:50 (GMT)