From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 9 Mar 2012 18:28:27 +0000 (+0100)
Subject: gfio: add preference entry for number of values to keep in graph
X-Git-Tag: gfio-0.1~194
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8577f4fdb30ad26033d6175d66a6edd21c2417c6;p=fio.git

gfio: add preference entry for number of values to keep in graph

It's not really seconds, but pretty close since ETA interval is
close to that now. Will make it really seconds later.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/gfio.c b/gfio.c
index db59f4f2..c78d3af1 100644
--- a/gfio.c
+++ b/gfio.c
@@ -34,6 +34,7 @@
 
 static int gfio_server_running;
 static const char *gfio_graph_font;
+static unsigned int gfio_graph_limit = 100;
 
 static void view_log(GtkWidget *w, gpointer data);
 
@@ -185,7 +186,7 @@ static struct graph *setup_iops_graph(void)
 	graph_add_label(g, "Write IOPS");
 	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, 100);
+	line_graph_set_data_count_limit(g, gfio_graph_limit);
 	return g;
 }
 
@@ -2021,9 +2022,29 @@ static void view_log(GtkWidget *w, gpointer data)
 	gtk_widget_show_all(win);
 }
 
+static void __update_graph_limits(struct gfio_graphs *g)
+{
+	line_graph_set_data_count_limit(g->iops_graph, gfio_graph_limit);
+	line_graph_set_data_count_limit(g->bandwidth_graph, gfio_graph_limit);
+}
+
+static void update_graph_limits(void)
+{
+	struct flist_head *entry;
+	struct gui_entry *ge;
+
+	__update_graph_limits(&main_ui.graphs);
+
+	flist_for_each(entry, &main_ui.list) {
+		ge = flist_entry(entry, struct gui_entry, list);
+		__update_graph_limits(&ge->graphs);
+	}
+}
+
 static void preferences(GtkWidget *w, gpointer data)
 {
 	GtkWidget *dialog, *frame, *box, **buttons, *vbox, *font;
+	GtkWidget *hbox, *spin, *entry;
 	int i;
 
 	dialog = gtk_dialog_new_with_buttons("Preferences",
@@ -2056,7 +2077,7 @@ static void preferences(GtkWidget *w, gpointer data)
 		gtk_box_pack_start(GTK_BOX(box), buttons[i], FALSE, FALSE, 6);
 	}
 
-	frame = gtk_frame_new("Graph font");
+	frame = gtk_frame_new("Graphing");
 	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), frame, FALSE, FALSE, 5);
 	vbox = gtk_vbox_new(FALSE, 6);
 	gtk_container_add(GTK_CONTAINER(frame), vbox);
@@ -2064,6 +2085,16 @@ static void preferences(GtkWidget *w, gpointer data)
 	font = gtk_font_button_new();
 	gtk_box_pack_start(GTK_BOX(vbox), font, FALSE, FALSE, 5);
 
+	box = gtk_vbox_new(FALSE, 6);
+	gtk_box_pack_start(GTK_BOX(vbox), box, FALSE, FALSE, 5);
+
+	hbox = gtk_hbox_new(FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 5);
+	entry = gtk_label_new("Maximum number of data points in graph (seconds)");
+	gtk_box_pack_start(GTK_BOX(hbox), entry, FALSE, FALSE, 5);
+
+	spin = create_spinbutton(hbox, 10, 1000000, 100);
+
 	gtk_widget_show_all(dialog);
 
 	if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_ACCEPT) {
@@ -2080,6 +2111,9 @@ static void preferences(GtkWidget *w, gpointer data)
 	}
 
 	gfio_graph_font = strdup(gtk_font_button_get_font_name(GTK_FONT_BUTTON(font)));
+	gfio_graph_limit = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spin));
+	update_graph_limits();
+
 	gtk_widget_destroy(dialog);
 }