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-rw-r--r--tools/perf/builtin-annotate.c62
1 files changed, 42 insertions, 20 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 56ba71658d7..06f10278b28 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++;
- }
}
}