callgraph: add accessor to determine number of functions

We can use this to notify the user that not enough samples where collected
to build a callgraph. This can happen when all the samples collected are
ignored (due to being in ignored kernel space address ranges for example).
This commit is contained in:
Christian Hergert
2016-04-15 18:11:02 -07:00
parent d4ab108786
commit ceeb29b0e6
2 changed files with 21 additions and 5 deletions

View File

@ -1001,3 +1001,18 @@ sp_callgraph_view_screenshot (SpCallgraphView *self)
return g_string_free (str, FALSE);
}
guint
sp_callgraph_view_get_n_functions (SpCallgraphView *self)
{
SpCallgraphViewPrivate *priv = sp_callgraph_view_get_instance_private (self);
GtkTreeModel *model;
guint ret = 0;
g_return_val_if_fail (SP_IS_CALLGRAPH_VIEW (self), 0);
if (NULL != (model = gtk_tree_view_get_model (priv->functions_view)))
ret = gtk_tree_model_iter_n_children (model, NULL);
return ret;
}

View File

@ -38,11 +38,12 @@ struct _SpCallgraphViewClass
gpointer padding[8];
};
GtkWidget *sp_callgraph_view_new (void);
SpCallgraphProfile *sp_callgraph_view_get_profile (SpCallgraphView *self);
void sp_callgraph_view_set_profile (SpCallgraphView *self,
SpCallgraphProfile *profile);
gchar *sp_callgraph_view_screenshot (SpCallgraphView *self);
GtkWidget *sp_callgraph_view_new (void);
SpCallgraphProfile *sp_callgraph_view_get_profile (SpCallgraphView *self);
void sp_callgraph_view_set_profile (SpCallgraphView *self,
SpCallgraphProfile *profile);
gchar *sp_callgraph_view_screenshot (SpCallgraphView *self);
guint sp_callgraph_view_get_n_functions (SpCallgraphView *self);
G_END_DECLS