From 2bbc5874251830fee170a0fc97fa5788717d2fd9 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Tue, 4 Jun 2013 18:22:13 +0900 Subject: [PATCH] perf gtk/hists: Add support for callchains Display callchain information in the symbol column. It's only enabled when recorded with -g and has symbol sort key. Reviewed-by: Pekka Enberg Signed-off-by: Namhyung Kim Cc: David Ahern Cc: Ingo Molnar Cc: Jiri Olsa Cc: Paul Mackerras Cc: Pekka Enberg Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1370337737-30812-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/gtk/hists.c | 65 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c index cb6a9b45f789..226c7e10f3cc 100644 --- a/tools/perf/ui/gtk/hists.c +++ b/tools/perf/ui/gtk/hists.c @@ -124,6 +124,55 @@ void perf_gtk__init_hpp(void) perf_gtk__hpp_color_overhead_guest_us; } +static void callchain_list__sym_name(struct callchain_list *cl, + char *bf, size_t bfsize) +{ + if (cl->ms.sym) + scnprintf(bf, bfsize, "%s", cl->ms.sym->name); + else + scnprintf(bf, bfsize, "%#" PRIx64, cl->ip); +} + +static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store, + GtkTreeIter *parent, int col) +{ + struct rb_node *nd; + bool has_single_node = (rb_first(root) == rb_last(root)); + + for (nd = rb_first(root); nd; nd = rb_next(nd)) { + struct callchain_node *node; + struct callchain_list *chain; + GtkTreeIter iter, new_parent; + bool need_new_parent; + + node = rb_entry(nd, struct callchain_node, rb_node); + + new_parent = *parent; + need_new_parent = !has_single_node && (node->val_nr > 1); + + list_for_each_entry(chain, &node->val, list) { + char buf[128]; + + gtk_tree_store_append(store, &iter, &new_parent); + + callchain_list__sym_name(chain, buf, sizeof(buf)); + gtk_tree_store_set(store, &iter, col, buf, -1); + + if (need_new_parent) { + /* + * Only show the top-most symbol in a callchain + * if it's not the only callchain. + */ + new_parent = iter; + need_new_parent = false; + } + } + + /* Now 'iter' contains info of the last callchain_list */ + perf_gtk__add_callchain(&node->rb_root, store, &iter, col); + } +} + static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, float min_pcnt) { @@ -135,6 +184,7 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, struct rb_node *nd; GtkWidget *view; int col_idx; + int sym_col = -1; int nr_cols; char s[512]; @@ -153,6 +203,9 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, if (se->elide) continue; + if (se == &sort_sym) + sym_col = nr_cols; + col_types[nr_cols++] = G_TYPE_STRING; } @@ -183,6 +236,13 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, col_idx++, NULL); } + if (symbol_conf.use_callchain && sort__has_sym) { + GtkTreeViewColumn *column; + + column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), sym_col); + gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view), column); + } + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); g_object_unref(GTK_TREE_MODEL(store)); @@ -221,6 +281,11 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, gtk_tree_store_set(store, &iter, col_idx++, s, -1); } + + if (symbol_conf.use_callchain && sort__has_sym) { + perf_gtk__add_callchain(&h->sorted_chain, store, &iter, + sym_col); + } } gtk_container_add(GTK_CONTAINER(window), view); -- GitLab