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Commit cc60f24e authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf gtk/hists: Display callchain overhead also



Display callchain percent value in the overhead column.

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Reviewed-by: default avatarPekka Enberg <penberg@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1370337737-30812-4-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 2bbc5874
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+24 −3
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ static void callchain_list__sym_name(struct callchain_list *cl,
}

static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
				    GtkTreeIter *parent, int col)
				    GtkTreeIter *parent, int col, u64 total)
{
	struct rb_node *nd;
	bool has_single_node = (rb_first(root) == rb_last(root));
@@ -144,9 +144,14 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
		struct callchain_list *chain;
		GtkTreeIter iter, new_parent;
		bool need_new_parent;
		double percent;
		u64 hits, child_total;

		node = rb_entry(nd, struct callchain_node, rb_node);

		hits = callchain_cumul_hits(node);
		percent = 100.0 * hits / total;

		new_parent = *parent;
		need_new_parent = !has_single_node && (node->val_nr > 1);

@@ -155,6 +160,9 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,

			gtk_tree_store_append(store, &iter, &new_parent);

			scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
			gtk_tree_store_set(store, &iter, 0, buf, -1);

			callchain_list__sym_name(chain, buf, sizeof(buf));
			gtk_tree_store_set(store, &iter, col, buf, -1);

@@ -168,8 +176,14 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
			}
		}

		if (callchain_param.mode == CHAIN_GRAPH_REL)
			child_total = node->children_hit;
		else
			child_total = total;

		/* Now 'iter' contains info of the last callchain_list */
		perf_gtk__add_callchain(&node->rb_root, store, &iter, col);
		perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
					child_total);
	}
}

@@ -283,8 +297,15 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
		}

		if (symbol_conf.use_callchain && sort__has_sym) {
			u64 total;

			if (callchain_param.mode == CHAIN_GRAPH_REL)
				total = h->stat.period;
			else
				total = hists->stats.total_period;

			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
						sym_col);
						sym_col, total);
		}
	}