/**
* uber_line_graph_add_line:
* @graph: A #UberLineGraph.
* @color: A #GdkColor for the line or %NULL.
*
* Adds a new line to the graph. If color is %NULL, the next value
* in the default color list will be used.
*
* See uber_line_graph_remove_line().
*
* Returns: The line identifier.
* Side effects: None.
*/
gint
uber_line_graph_add_line (UberLineGraph *graph, /* IN */
const GdkColor *color, /* IN */
UberLabel *label) /* IN */
{
UberLineGraphPrivate *priv;
LineInfo info = { 0 };
g_return_val_if_fail(UBER_IS_LINE_GRAPH(graph), 0);
priv = graph->priv;
info.alpha = 1.0;
info.width = 1.0;
/*
* Retrieve the lines color.
*/
if (color) {
info.color = *color;
} else {
gdk_color_parse("#729fcf", &info.color);
}
/*
* Allocate buffers for data points.
*/
info.raw_data = g_ring_sized_new(sizeof(gdouble), priv->stride, NULL);
uber_line_graph_init_ring(info.raw_data);
/*
* Store the newly crated line.
*/
g_array_append_val(priv->lines, info);
/*
* Mark the graph for full redraw.
*/
uber_graph_redraw(UBER_GRAPH(graph));
/*
* Attach label.
*/
if (label) {
uber_line_graph_bind_label(graph, priv->lines->len, label);
uber_graph_add_label(UBER_GRAPH(graph), label);
uber_label_set_color(label, &info.color);
}
/*
* Line indexes start from 1.
*/
return priv->lines->len;
}
/**
* uber_window_show_labels:
* @window: A #UberWindow.
*
* XXX
*
* Returns: None.
* Side effects: None.
*/
void
uber_window_show_labels (UberWindow *window, /* IN */
UberGraph *graph) /* IN */
{
UberWindowPrivate *priv;
GtkWidget *labels;
GtkWidget *align;
GList *list;
gboolean show;
g_return_if_fail(UBER_IS_WINDOW(window));
g_return_if_fail(UBER_IS_GRAPH(graph));
priv = window->priv;
/*
* Get the widgets labels.
*/
labels = uber_graph_get_labels(graph);
/*
* Show/hide ticks and labels.
*/
show = !!labels;
if (labels) {
align = gtk_bin_get_child(GTK_BIN(labels));
list = gtk_container_get_children(GTK_CONTAINER(align));
if (list) {
gtk_widget_show(labels);
} else {
gtk_widget_hide(labels);
show = FALSE;
}
g_list_free(list);
}
if (graph == (gpointer)g_list_last(priv->graphs)) {
show = TRUE;
}
uber_graph_set_show_xlabels(graph, show);
/*
* Hide labels/xlabels for other graphs.
*/
for (list = priv->graphs; list && list->next; list = list->next) {
if (list->data != graph) {
uber_graph_set_show_xlabels(list->data, FALSE);
labels = uber_graph_get_labels(list->data);
if (labels) {
gtk_widget_hide(labels);
}
}
}
/*
* Ensure the last graph always has labels.
*/
if (list) {
uber_graph_set_show_xlabels(UBER_GRAPH(list->data), TRUE);
}
}
/**
* uber_line_graph_set_antialias:
* @graph: A #UberLineGraph.
*
* XXX
*
* Returns: None.
* Side effects: None.
*/
void
uber_line_graph_set_antialias (UberLineGraph *graph, /* IN */
cairo_antialias_t antialias) /* IN */
{
UberLineGraphPrivate *priv;
g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
priv = graph->priv;
priv->antialias = antialias;
uber_graph_redraw(UBER_GRAPH(graph));
}
static gboolean
uber_window_graph_button_press_event (GtkWidget *widget, /* IN */
GdkEventButton *button, /* IN */
UberWindow *window) /* IN */
{
GtkWidget *labels;
g_return_val_if_fail(UBER_IS_WINDOW(window), FALSE);
g_return_val_if_fail(UBER_IS_GRAPH(widget), FALSE);
switch (button->button) {
case 1: /* Left click */
labels = uber_graph_get_labels(UBER_GRAPH(widget));
if (gtk_widget_get_visible(labels)) {
uber_window_hide_labels(window, UBER_GRAPH(widget));
} else {
uber_window_show_labels(window, UBER_GRAPH(widget));
}
break;
default:
break;
}
return FALSE;
}
/**
* uber_line_graph_set_line_width:
* @graph: A #UberLineGraph.
*
* XXX
*
* Returns: None.
* Side effects: None.
*/
void
uber_line_graph_set_line_width (UberLineGraph *graph, /* IN */
gint line, /* IN */
gdouble width) /* IN */
{
UberLineGraphPrivate *priv;
LineInfo *info;
g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
g_return_if_fail(line > 0);
g_return_if_fail(line <= graph->priv->lines->len);
priv = graph->priv;
info = &g_array_index(graph->priv->lines, LineInfo, line - 1);
info->width = width;
uber_graph_redraw(UBER_GRAPH(graph));
}
/**
* uber_line_graph_color:
* @graph: A #UberLineGraph.
*
* XXX
*
* Returns: None.
* Side effects: None.
*/
static void
uber_line_graph_color_changed (UberLabel *label, /* IN */
GdkColor *color, /* IN */
UberLineGraph *graph) /* IN */
{
UberLineGraphPrivate *priv;
LineInfo *info;
gint i;
g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
g_return_if_fail(color != NULL);
priv = graph->priv;
for (i = 0; i < priv->lines->len; i++) {
info = &g_array_index(priv->lines, LineInfo, i);
if (info->label == label) {
info->color = *color;
}
}
uber_graph_redraw(UBER_GRAPH(graph));
}
/**
* uber_line_graph_render:
* @graph: A #UberGraph.
* @cr: A #cairo_t context.
* @area: Full area to render contents within.
* @line: The line to render.
*
* Render a particular line to the graph.
*
* Returns: None.
* Side effects: None.
*/
static void
uber_line_graph_render_line (UberLineGraph *graph, /* IN */
cairo_t *cr, /* IN */
GdkRectangle *area, /* IN */
LineInfo *line, /* IN */
guint epoch, /* IN */
gfloat each) /* IN */
{
UberLineGraphPrivate *priv;
UberRange pixel_range;
GdkRectangle vis;
guint x;
guint last_x;
gdouble y;
gdouble last_y;
gdouble val;
gint i;
g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
priv = graph->priv;
uber_graph_get_content_area(UBER_GRAPH(graph), &vis);
pixel_range.begin = area->y + 1;
pixel_range.end = area->y + area->height;
pixel_range.range = pixel_range.end - pixel_range.begin;
/*
* Prepare cairo settings.
*/
uber_line_graph_stylize_line(graph, line, cr);
/*
* Force a new path.
*/
cairo_new_path(cr);
/*
* Draw the line contents as bezier curves.
*/
for (i = 0; i < line->raw_data->len; i++) {
/*
* Retrieve data point.
*/
val = g_ring_get_index(line->raw_data, gdouble, i);
/*
* Once we get to -INFINITY, we must be at the end of the data
* sequence. This may not always be true in the future.
*/
if (val == -INFINITY) {
break;
}
/*
* Translate value to coordinate system.
*/
if (!priv->scale(&priv->range, &pixel_range, &val, priv->scale_data)) {
break;
}
/*
* Calculate X/Y coordinate.
*/
y = (gint)(RECT_BOTTOM(*area) - val) - .5;
x = epoch - (each * i);
if (i == 0) {
/*
* Just move to the right position on first entry.
*/
cairo_move_to(cr, x, y);
goto next;
} else {
/*
* Draw curve to data point using the last X/Y positions as
* control points.
*/
cairo_curve_to(cr,
last_x - (each / 2.),
last_y,
last_x - (each / 2.),
y, x, y);
}
next:
last_y = y;
last_x = x;
}
/*
* Stroke the line content.
*/
cairo_stroke(cr);
}
gint
main (gint argc, /* IN */
gchar *argv[]) /* IN */
{
gdouble dashes[] = { 1.0, 4.0 };
UberRange cpu_range = { 0., 100., 100. };
UberRange net_range = { 0., 512., 512. };
UberRange ui_range = { 0., 10., 10. };
GtkWidget *window;
GtkWidget *cpu;
GtkWidget *net;
GtkWidget *line;
GtkWidget *map;
GtkWidget *scatter;
GtkWidget *label;
GtkAccelGroup *ag;
GdkColor color;
gint lineno;
gint nprocs;
gint i;
gint mod;
g_thread_init(NULL);
gtk_init(&argc, &argv);
nprocs = get_nprocs();
/*
* Check for blktrace hack.
*/
if (argc > 1 && (g_strcmp0(argv[1], "--i-can-haz-blktrace") == 0)) {
want_blktrace = TRUE;
}
/*
* Warm up differential samplers.
*/
smon_next_cpu_info();
smon_next_cpu_freq_info();
if (want_blktrace) {
uber_blktrace_init();
}
/*
* Install event hook to track how many X events we are doing.
*/
gdk_event_handler_set(smon_gdk_event_hook, NULL, NULL);
/*
* Create window and graphs.
*/
window = uber_window_new();
cpu = uber_line_graph_new();
net = uber_line_graph_new();
line = uber_line_graph_new();
map = uber_heat_map_new();
scatter = uber_scatter_new();
/*
* Configure CPU graph.
*/
uber_line_graph_set_autoscale(UBER_LINE_GRAPH(cpu), FALSE);
uber_graph_set_format(UBER_GRAPH(cpu), UBER_GRAPH_FORMAT_PERCENT);
uber_line_graph_set_range(UBER_LINE_GRAPH(cpu), &cpu_range);
uber_line_graph_set_data_func(UBER_LINE_GRAPH(cpu),
smon_get_cpu_info, NULL, NULL);
for (i = 0; i < nprocs; i++) {
mod = i % G_N_ELEMENTS(default_colors);
gdk_color_parse(default_colors[mod], &color);
label = uber_label_new();
uber_label_set_color(UBER_LABEL(label), &color);
uber_line_graph_add_line(UBER_LINE_GRAPH(cpu), &color,
UBER_LABEL(label));
cpu_info.labels[i] = label;
/*
* XXX: Add the line regardless. Just dont populate it if we don't
* have data.
*/
lineno = uber_line_graph_add_line(UBER_LINE_GRAPH(cpu), &color, NULL);
if (smon_cpu_has_freq_scaling(i)) {
uber_line_graph_set_line_dash(UBER_LINE_GRAPH(cpu), lineno,
dashes, G_N_ELEMENTS(dashes), 0);
uber_line_graph_set_line_alpha(UBER_LINE_GRAPH(cpu), lineno, 1.);
}
}
/*
* Add lines for GDK/X events.
*/
uber_line_graph_set_range(UBER_LINE_GRAPH(line), &ui_range);
label = uber_label_new();
uber_label_set_text(UBER_LABEL(label), "GDK Events");
gdk_color_parse("#729fcf", &color);
uber_line_graph_add_line(UBER_LINE_GRAPH(line), &color, UBER_LABEL(label));
label = uber_label_new();
uber_label_set_text(UBER_LABEL(label), "X Events");
gdk_color_parse("#a40000", &color);
uber_line_graph_add_line(UBER_LINE_GRAPH(line), &color, UBER_LABEL(label));
uber_line_graph_set_data_func(UBER_LINE_GRAPH(line),
smon_get_xevent_info, NULL, NULL);
/*
* Add lines for bytes in/out.
*/
uber_line_graph_set_range(UBER_LINE_GRAPH(net), &net_range);
uber_line_graph_set_data_func(UBER_LINE_GRAPH(net),
smon_get_net_info, NULL, NULL);
uber_graph_set_format(UBER_GRAPH(net), UBER_GRAPH_FORMAT_DIRECT1024);
label = uber_label_new();
uber_label_set_text(UBER_LABEL(label), "Bytes In");
gdk_color_parse("#a40000", &color);
uber_line_graph_add_line(UBER_LINE_GRAPH(net), &color, UBER_LABEL(label));
label = uber_label_new();
uber_label_set_text(UBER_LABEL(label), "Bytes Out");
gdk_color_parse("#4e9a06", &color);
uber_line_graph_add_line(UBER_LINE_GRAPH(net), &color, UBER_LABEL(label));
/*
* Configure heat map.
*/
uber_graph_set_show_ylines(UBER_GRAPH(map), FALSE);
gdk_color_parse(default_colors[0], &color);
uber_heat_map_set_fg_color(UBER_HEAT_MAP(map), &color);
uber_heat_map_set_data_func(UBER_HEAT_MAP(map),
(UberHeatMapFunc)dummy_scatter_func, NULL, NULL);
uber_window_add_graph(UBER_WINDOW(window), UBER_GRAPH(map), "IO Latency");
uber_graph_set_show_xlabels(UBER_GRAPH(map), FALSE);
gtk_widget_show(map);
/*
* Configure scatter.
*/
if (want_blktrace) {
uber_graph_set_show_ylines(UBER_GRAPH(scatter), FALSE);
gdk_color_parse(default_colors[3], &color);
uber_scatter_set_fg_color(UBER_SCATTER(scatter), &color);
uber_scatter_set_data_func(UBER_SCATTER(scatter),
(UberScatterFunc)uber_blktrace_get, NULL, NULL);
uber_window_add_graph(UBER_WINDOW(window), UBER_GRAPH(scatter), "IOPS By Size");
uber_graph_set_show_xlabels(UBER_GRAPH(scatter), TRUE);
gtk_widget_show(scatter);
}
/*
* Add graphs.
*/
uber_window_add_graph(UBER_WINDOW(window), UBER_GRAPH(cpu), "CPU");
uber_window_add_graph(UBER_WINDOW(window), UBER_GRAPH(net), "Network");
uber_window_add_graph(UBER_WINDOW(window), UBER_GRAPH(line), "UI Events");
/*
* Disable X tick labels by default (except last).
*/
uber_graph_set_show_xlabels(UBER_GRAPH(cpu), FALSE);
uber_graph_set_show_xlabels(UBER_GRAPH(net), FALSE);
uber_graph_set_show_xlabels(UBER_GRAPH(line), FALSE);
/*
* Show widgets.
*/
gtk_widget_show(net);
gtk_widget_show(line);
gtk_widget_show(cpu);
gtk_widget_show(window);
/*
* Show cpu labels by default.
*/
uber_window_show_labels(UBER_WINDOW(window), UBER_GRAPH(cpu));
/*
* Setup accelerators.
*/
ag = gtk_accel_group_new();
gtk_accel_group_connect(ag, GDK_KEY_w, GDK_CONTROL_MASK, GTK_ACCEL_MASK,
g_cclosure_new(gtk_main_quit, NULL, NULL));
gtk_window_add_accel_group(GTK_WINDOW(window), ag);
/*
* Attach signals.
*/
g_signal_connect(window,
"delete-event",
G_CALLBACK(gtk_main_quit),
NULL);
/*
* Start sampling thread.
*/
g_thread_create((GThreadFunc)sample_thread, NULL, FALSE, NULL);
gtk_main();
/*
* Cleanup after blktrace.
*/
if (want_blktrace) {
uber_blktrace_shutdown();
}
return EXIT_SUCCESS;
}
