gfio: encapsulate x- and y-offsets into graph library

[fio.git] / gfio.c

diff --git a/gfio.c b/gfio.c
index 1dfe3a23ef73d9a54c658334a070ec0b9023ab63..936e41db2117c22d16a68ea09eb1770b7ddd74f9 100644 (file)
--- a/gfio.c
+++ b/gfio.c
@@ -89,9 +89,6 @@ struct gfio_graphs {
 #define DRAWING_AREA_XDIM 1000
 #define DRAWING_AREA_YDIM 400
        GtkWidget *drawing_area;
-       int drawing_area_xdim;
-       int drawing_area_ydim;
-
        struct graph *iops_graph;
        struct graph *bandwidth_graph;
 };
@@ -174,6 +171,21 @@ static void gfio_update_thread_status(struct gui_entry *ge, char *status_message
 static void gfio_update_thread_status_all(char *status_message, double perc);
 void report_error(GError *error);
 
+static void iops_graph_y_axis_unit_change(struct graph *g, int power_of_ten)
+{
+       switch (power_of_ten) {
+               case 9: graph_y_title(g, "Billions of IOs / sec");
+                       break;
+               case 6: graph_y_title(g, "Millions of IOs / sec");
+                       break;
+               case 3: graph_y_title(g, "Thousands of IOs / sec");
+                       break;
+               case 0:
+               default: graph_y_title(g, "IOs / sec");
+                       break;
+       }
+}
+
 static struct graph *setup_iops_graph(void)
 {
        struct graph *g;
@@ -187,9 +199,25 @@ static struct graph *setup_iops_graph(void)
        graph_set_color(g, "Read IOPS", 0.13, 0.54, 0.13);
        graph_set_color(g, "Write IOPS", 1.0, 0.0, 0.0);
        line_graph_set_data_count_limit(g, gfio_graph_limit);
+       graph_y_axis_unit_change_notify(g, iops_graph_y_axis_unit_change);
        return g;
 }
 
+static void bandwidth_graph_y_axis_unit_change(struct graph *g, int power_of_ten)
+{
+       switch (power_of_ten) {
+               case 9: graph_y_title(g, "Petabytes / sec");
+                       break;
+               case 6: graph_y_title(g, "Gigabytes / sec");
+                       break;
+               case 3: graph_y_title(g, "Megabytes / sec");
+                       break;
+               case 0:
+               default: graph_y_title(g, "Kilobytes / sec");
+                       break;
+       }
+}
+
 static struct graph *setup_bandwidth_graph(void)
 {
        struct graph *g;
@@ -203,6 +231,7 @@ static struct graph *setup_bandwidth_graph(void)
        graph_set_color(g, "Read Bandwidth", 0.13, 0.54, 0.13);
        graph_set_color(g, "Write Bandwidth", 1.0, 0.0, 0.0);
        line_graph_set_data_count_limit(g, 100);
+       graph_y_axis_unit_change_notify(g, bandwidth_graph_y_axis_unit_change);
        return g;
 }
 
@@ -1098,35 +1127,28 @@ static gint on_config_drawing_area(GtkWidget *w, GdkEventConfigure *event,
 {
        struct gfio_graphs *g = data;
 
-       g->drawing_area_xdim = w->allocation.width;
-       g->drawing_area_ydim = w->allocation.height;
+       graph_set_size(g->iops_graph, w->allocation.width / 2.0, w->allocation.height);
+       graph_set_position(g->iops_graph, w->allocation.width / 2.0, 0.0);
+       graph_set_size(g->bandwidth_graph, w->allocation.width / 2.0, w->allocation.height);
+       graph_set_position(g->bandwidth_graph, 0, 0);
        return TRUE;
 }
 
+static void draw_graph(struct graph *g, cairo_t *cr)
+{
+       line_graph_draw(g, cr);
+       cairo_stroke(cr);
+}
+
 static int on_expose_drawing_area(GtkWidget *w, GdkEvent *event, gpointer p)
 {
        struct gfio_graphs *g = p;
        cairo_t *cr;
 
-       graph_set_size(g->iops_graph, g->drawing_area_xdim / 2.0,
-                                       g->drawing_area_ydim);
-       graph_set_size(g->bandwidth_graph, g->drawing_area_xdim / 2.0,
-                                       g->drawing_area_ydim);
        cr = gdk_cairo_create(w->window);
-
        cairo_set_source_rgb(cr, 0, 0, 0);
-
-       cairo_save(cr);
-       cairo_translate(cr, 0, 0);
-       line_graph_draw(g->bandwidth_graph, cr);
-       cairo_stroke(cr);
-       cairo_restore(cr);
-
-       cairo_save(cr);
-       cairo_translate(cr, g->drawing_area_xdim / 2.0, 0);
-       line_graph_draw(g->iops_graph, cr);
-       cairo_stroke(cr);
-       cairo_restore(cr);
+       draw_graph(g->iops_graph, cr);
+       draw_graph(g->bandwidth_graph, cr);
        cairo_destroy(cr);
 
        return FALSE;
@@ -2292,10 +2314,8 @@ static GtkWidget *new_client_page(struct gui_entry *ge)
         */
        gdk_color_parse("white", &white);
        ge->graphs.drawing_area = gtk_drawing_area_new();
-       ge->graphs.drawing_area_xdim = DRAWING_AREA_XDIM;
-       ge->graphs.drawing_area_ydim = DRAWING_AREA_YDIM;
        gtk_widget_set_size_request(GTK_WIDGET(ge->graphs.drawing_area),
-               ge->graphs.drawing_area_xdim, ge->graphs.drawing_area_ydim);
+               DRAWING_AREA_XDIM, DRAWING_AREA_YDIM);
        gtk_widget_modify_bg(ge->graphs.drawing_area, GTK_STATE_NORMAL, &white);
        g_signal_connect(G_OBJECT(ge->graphs.drawing_area), "expose_event",
                                G_CALLBACK(on_expose_drawing_area), &ge->graphs);
@@ -2383,10 +2403,8 @@ static GtkWidget *new_main_page(struct gui *ui)
         */
        gdk_color_parse("white", &white);
        ui->graphs.drawing_area = gtk_drawing_area_new();
-       ui->graphs.drawing_area_xdim = DRAWING_AREA_XDIM;
-       ui->graphs.drawing_area_ydim = DRAWING_AREA_YDIM;
        gtk_widget_set_size_request(GTK_WIDGET(ui->graphs.drawing_area),
-               ui->graphs.drawing_area_xdim, ui->graphs.drawing_area_ydim);
+               DRAWING_AREA_XDIM, DRAWING_AREA_YDIM);
        gtk_widget_modify_bg(ui->graphs.drawing_area, GTK_STATE_NORMAL, &white);
        g_signal_connect(G_OBJECT(ui->graphs.drawing_area), "expose_event",
                        G_CALLBACK(on_expose_drawing_area), &ui->graphs);