perf report: Pass the DSO to 'perf annotate'

So that we ensure that the symbol asked for annotation really is
in the DSO we are interested in.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1269459619-982-6-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index f6953ca..e99bcc8 100644 (file)
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -157,7 +157,7 @@ static void __callchain__append_graph_browser(struct callchain_node *self,
                                indexes[depth + 2] = NEWT_ARG_LAST;
                                ++chain_idx;
                        }
-                       newt_checkbox_tree__add(tree, str, chain->ms.sym, indexes);
+                       newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
                        free(alloc_str);
                        ++printed;
                }
@@ -193,7 +193,7 @@ static void callchain__append_graph_browser(struct callchain_node *self,
                        continue;
 
                str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
-               newt_checkbox_tree__add(tree, str, chain->ms.sym, indexes);
+               newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
        }
 
        indexes[1] = parent_idx;
@@ -287,14 +287,14 @@ static size_t hist_entry__append_browser(struct hist_entry *self,
 
                indexes[0] = NEWT_ARG_APPEND;
                indexes[1] = NEWT_ARG_LAST;
-               newt_checkbox_tree__add(tree, s, self->ms.sym, indexes);
+               newt_checkbox_tree__add(tree, s, &self->ms, indexes);
        } else
-               newtListboxAppendEntry(tree, s, self->ms.sym);
+               newtListboxAppendEntry(tree, s, &self->ms);
 
        return strlen(s);
 }
 
-static void symbol__annotate_browser(const struct symbol *self)
+static void map_symbol__annotate_browser(const struct map_symbol *self)
 {
        FILE *fp;
        int cols, rows;
@@ -305,10 +305,11 @@ static void symbol__annotate_browser(const struct symbol *self)
        size_t max_usable_width;
        char *line = NULL;
 
-       if (self == NULL)
+       if (self->sym == NULL)
                return;
 
-       if (asprintf(&str, "perf annotate %s 2>&1 | expand", self->name) < 0)
+       if (asprintf(&str, "perf annotate -d \"%s\" %s 2>&1 | expand",
+                    self->map->dso->name, self->sym->name) < 0)
                return;
 
        fp = popen(str, "r");
@@ -338,7 +339,7 @@ static void symbol__annotate_browser(const struct symbol *self)
 
        newtListboxSetWidth(tree, max_line_len);
 
-       newtCenteredWindow(max_line_len + 2, rows - 5, self->name);
+       newtCenteredWindow(max_line_len + 2, rows - 5, self->sym->name);
        form = newt_form__new();
        newtFormAddComponents(form, tree, NULL);
 
@@ -359,7 +360,7 @@ static const void *newt__symbol_tree_get_current(newtComponent self)
 
 static void perf_session__selection(newtComponent self, void *data)
 {
-       const struct symbol **symbol_ptr = data;
+       const struct map_symbol **symbol_ptr = data;
        *symbol_ptr = newt__symbol_tree_get_current(self);
 }
 
@@ -376,7 +377,7 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
        char str[1024];
        newtComponent form, tree;
        struct newtExitStruct es;
-       const struct symbol *selection;
+       const struct map_symbol *selection;
 
        snprintf(str, sizeof(str), "Samples: %Ld", session_total);
        newtDrawRootText(0, 0, str);
@@ -416,11 +417,8 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
                int len = hist_entry__append_browser(h, tree, session_total);
                if (len > max_len)
                        max_len = len;
-               if (symbol_conf.use_callchain) {
+               if (symbol_conf.use_callchain)
                        hist_entry__append_callchain_browser(h, tree, session_total, idx++);
-                       if (idx > 3300)
-                               break;
-               }
        }
 
        if (max_len > cols)
@@ -441,14 +439,12 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
        while (1) {
                char annotate[512];
                const char *options[2];
-               int nr_options = 0, choice;
+               int nr_options = 0, choice = 0;
 
                newtFormRun(form, &es);
                if (es.reason == NEWT_EXIT_HOTKEY) {
-                       if (toupper(es.u.key) == 'A') {
-                               symbol__annotate_browser(selection);
-                               continue;
-                       }
+                       if (toupper(es.u.key) == 'A')
+                               goto do_annotate;
                        if (es.u.key == NEWT_KEY_ESCAPE ||
                            toupper(es.u.key) == 'Q' ||
                            es.u.key == CTRL('c')) {
@@ -459,9 +455,9 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
                        }
                }
 
-               if (selection != NULL) {
+               if (selection->sym != NULL) {
                        snprintf(annotate, sizeof(annotate),
-                                "Annotate %s", selection->name);
+                                "Annotate %s", selection->sym->name);
                        options[nr_options++] = annotate;
                }
 
@@ -469,8 +465,17 @@ void perf_session__browse_hists(struct rb_root *hists, u64 session_total,
                choice = popup_menu(nr_options, options);
                if (choice == nr_options - 1)
                        break;
-               else if (selection != NULL && choice >= 0)
-                       symbol__annotate_browser(selection);
+do_annotate:
+               if (selection->sym != NULL && choice >= 0) {
+                       if (selection->map->dso->origin == DSO__ORIG_KERNEL) {
+                               newtPopHelpLine();
+                               newtPushHelpLine("No vmlinux file found, can't "
+                                                "annotate with just a "
+                                                "kallsyms file");
+                               continue;
+                       }
+                       map_symbol__annotate_browser(selection);
+               }
        }
 
        newtFormDestroy(form);