1 files changed, 112 insertions, 23 deletions

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index e47dd1587e39..5ec5de995872 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -145,21 +145,58 @@ static int process_sample_event(event_t *event, struct perf_session *session)
         return 0;
 }
 
-static int parse_line(FILE *file, struct hist_entry *he, u64 len)
+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;
-        static const char *prev_line;
-        static const char *prev_color;
-        unsigned int offset;
         size_t line_len;
-        u64 start;
-        s64 line_ip;
-        int ret;
+        s64 line_ip, offset = -1;
         char *c;
 
         if (getline(&line, &line_len, file) < 0)
                 return -1;
+
         if (!line)
                 return -1;
 
@@ -168,8 +205,6 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
                 *c = 0;
 
         line_ip = -1;
-        offset = 0;
-        ret = -2;
 
         /*
          * Strip leading spaces:
@@ -190,9 +225,30 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
                         line_ip = -1;
         }
 
-        start = map__rip_2objdump(he->map, sym->start);
-
         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;
+        static const char *prev_line;
+        static const char *prev_color;
+
+        if (self->offset != -1) {
                 const char *path = NULL;
                 unsigned int hits = 0;
                 double percent = 0.0;
@@ -200,15 +256,22 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
                 struct sym_priv *priv = symbol__priv(sym);
                 struct sym_ext *sym_ext = priv->ext;
                 struct sym_hist *h = priv->hist;
+                s64 offset = self->offset;
+                struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+                while (offset < (s64)len &&
+                       (next == NULL || offset < next->offset)) {
+                        if (sym_ext) {
+                                if (path == NULL)
+                                        path = sym_ext[offset].path;
+                                percent += sym_ext[offset].percent;
+                        } else
+                                hits += h->ip[offset];
+
+                        ++offset;
+                }
 
-                offset = line_ip - start;
-                if (offset < len)
-                        hits = h->ip[offset];
-
-                if (offset < len && sym_ext) {
-                        path = sym_ext[offset].path;
-                        percent = sym_ext[offset].percent;
-                } else if (h->sum)
+                if (sym_ext == NULL && h->sum)
                         percent = 100.0 * hits / h->sum;
 
                 color = get_percent_color(percent);
@@ -229,12 +292,12 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
 
                 color_fprintf(stdout, color, " %7.2f", percent);
                 printf(" :      ");
-                color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line);
+                color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line);
         } else {
-                if (!*line)
+                if (!*self->line)
                         printf("         :\n");
                 else
-                        printf("         :      %s\n", line);
+                        printf("         :      %s\n", self->line);
         }
 
         return 0;
@@ -360,6 +423,20 @@ static void print_summary(const char *filename)
         }
 }
 
+static void hist_entry__print_hits(struct hist_entry *self)
+{
+        struct symbol *sym = self->sym;
+        struct sym_priv *priv = symbol__priv(sym);
+        struct sym_hist *h = priv->hist;
+        u64 len = sym->end - sym->start, offset;
+
+        for (offset = 0; offset < len; ++offset)
+                if (h->ip[offset] != 0)
+                        printf("%*Lx: %Lu\n", BITS_PER_LONG / 2,
+                               sym->start + offset, h->ip[offset]);
+        printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
+}
+
 static void annotate_sym(struct hist_entry *he)
 {
         struct map *map = he->map;
@@ -369,6 +446,8 @@ static void annotate_sym(struct hist_entry *he)
         u64 len;
         char command[PATH_MAX*2];
         FILE *file;
+        LIST_HEAD(head);
+        struct objdump_line *pos, *n;
 
         if (!filename)
                 return;
@@ -410,11 +489,21 @@ static void annotate_sym(struct hist_entry *he)
                 return;
 
         while (!feof(file)) {
-                if (parse_line(file, he, len) < 0)
+                if (parse_line(file, he, &head) < 0)
                         break;
         }
 
         pclose(file);
+
+        if (verbose)
+                hist_entry__print_hits(he);
+
+        list_for_each_entry_safe(pos, n, &head, node) {
+                objdump_line__print(pos, &head, he, len);
+                list_del(&pos->node);
+                objdump_line__free(pos);
+        }
+
         if (print_line)
                 free_source_line(he, len);
 }