gfio: make empty graph show grid lines, not "No good data"

[fio.git] / gfio.c

diff --git a/gfio.c b/gfio.c
index e190d89ac942ff2e13f82fb65a9776cc0940e527..b1caa6780d51c21d17ddc1cecb0e33ed83a6d42c 100644 (file)
--- a/gfio.c
+++ b/gfio.c
@@ -121,6 +121,18 @@ struct gfio_client {
        GtkWidget *disk_util_frame;
 };
 
+static void add_invisible_data(struct graph *g)
+{
+       /*
+        * This puts some invisible data into a graph so that it will
+        * initially have some grid lines instead of "No good data"
+        */
+       graph_add_label(g, "invisible");
+       graph_set_color(g, "invisible", INVISIBLE_COLOR, 0.0, 0.7);
+       graph_add_xy_data(g, "invisible", 0.0, 0.0);
+       graph_add_xy_data(g, "invisible", 1.0, 100.0);
+}
+
 static void setup_iops_graph(struct gui *ui)
 {
        if (ui->iops_graph)
@@ -134,6 +146,7 @@ static void setup_iops_graph(struct gui *ui)
        graph_add_label(ui->iops_graph, "Write IOPS");
        graph_set_color(ui->iops_graph, "Read IOPS", 0.7, 0.0, 0.0);
        graph_set_color(ui->iops_graph, "Write IOPS", 0.0, 0.0, 0.7);
+       add_invisible_data(ui->iops_graph);
 }
 
 static void setup_bandwidth_graph(struct gui *ui)
@@ -149,6 +162,7 @@ static void setup_bandwidth_graph(struct gui *ui)
        graph_add_label(ui->bandwidth_graph, "Write Bandwidth");
        graph_set_color(ui->bandwidth_graph, "Read Bandwidth", 0.7, 0.0, 0.0);
        graph_set_color(ui->bandwidth_graph, "Write Bandwidth", 0.0, 0.0, 0.7);
+       add_invisible_data(ui->bandwidth_graph);
 }
 
 static void clear_ui_info(struct gui *ui)