rt-graph: triangles only appear when their width < 50ms

2 files changed, 20 insertions, 8 deletions

diff --git a/rt-plot-task.c b/rt-plot-task.c
index 57662b7..1e2cd5d 100644
--- a/rt-plot-task.c
+++ b/rt-plot-task.c
@@ -768,7 +768,7 @@ void rt_plot_task(struct graph_info *ginfo, int pid, int pos)
         len = strlen(comm) + 100;
         plot_label = malloc_or_die(len);
         snprintf(plot_label, len,
-                 "*%s-%d\n(%llu.%1llu, %llu.%1llu)",
+                 "%s-%d\n(%llu.%1llu, %llu.%1llu)",
                  comm, pid, wm, wn, pm, pn);
         plot = trace_graph_plot_insert(ginfo, pos, plot_label, PLOT_TYPE_RT_TASK,
                                        &rt_task_cb, rtt_info);
diff --git a/trace-graph.c b/trace-graph.c
index f63c202..de29e45 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -55,6 +55,7 @@
 #define PLOT_GIVE       2
 #define PLOT_BEGIN      80
 #define PLOT_SEP        50
+#define MAX_TRI_TIME    50000000
 #define PLOT_LINE(plot) (PLOT_SEP * (plot) + PLOT_BEGIN + PLOT_SIZE)
 #define PLOT_TOP(plot) (PLOT_LINE(plot) - PLOT_SIZE * 2)
 #define PLOT_BOX_TOP(plot) (PLOT_LINE(plot) - PLOT_SIZE)
@@ -86,6 +87,11 @@ static guint64 convert_x_to_time(struct graph_info *ginfo, gint x)
         return (guint64)(d / ginfo->resolution) + ginfo->view_start_time;
 }
 
+static int convert_dist_to_time(struct graph_info *ginfo, int dist)
+{
+        return convert_x_to_time(ginfo, dist) - convert_x_to_time(ginfo, 0);
+}
+
 static void print_time(unsigned long long time)
 {
         unsigned long sec, usec;
@@ -1697,9 +1703,11 @@ static void draw_plot_release(struct graph_info *ginfo, int i,
         tpoints[2].x = x + PLOT_TRI_SIZE/2;
         tpoints[2].y = tbase;
 
-        gdk_draw_line(ginfo->curr_pixmap, gc,
-                      x, tbase, x, PLOT_BOX_BOTTOM(i));
-        gdk_draw_polygon(ginfo->curr_pixmap, gc, FALSE, tpoints, 3);
+        if (convert_dist_to_time(ginfo, PLOT_TRI_SIZE) < MAX_TRI_TIME) {
+                gdk_draw_line(ginfo->curr_pixmap, gc,
+                              x, tbase, x, PLOT_BOX_BOTTOM(i));
+                gdk_draw_polygon(ginfo->curr_pixmap, gc, FALSE, tpoints, 3);
+        }
 }
 
 static void draw_plot_deadline(struct graph_info *ginfo, int i,
@@ -1715,9 +1723,11 @@ static void draw_plot_deadline(struct graph_info *ginfo, int i,
         tpoints[2].x = x + PLOT_TRI_SIZE/2;
         tpoints[2].y = tbase;
 
-        gdk_draw_line(ginfo->curr_pixmap, gc,
-                      x, PLOT_BOX_TOP(i), x, tbase);
-        gdk_draw_polygon(ginfo->curr_pixmap, gc, FALSE, tpoints, 3);
+        if (convert_dist_to_time(ginfo, PLOT_TRI_SIZE) < MAX_TRI_TIME) {
+                gdk_draw_line(ginfo->curr_pixmap, gc,
+                              x, PLOT_BOX_TOP(i), x, tbase);
+                gdk_draw_polygon(ginfo->curr_pixmap, gc, FALSE, tpoints, 3);
+        }
 }
 
 static void draw_plot_completion(struct graph_info *ginfo, int i,
@@ -1733,7 +1743,9 @@ static void draw_plot_completion(struct graph_info *ginfo, int i,
         tpoints[2].x = x + PLOT_BTRI_SIZE/2;
         tpoints[2].y = tbase;
 
-        gdk_draw_polygon(ginfo->curr_pixmap, gc, TRUE, tpoints, 3);
+        if (convert_dist_to_time(ginfo, PLOT_BTRI_SIZE) < MAX_TRI_TIME) {
+                gdk_draw_polygon(ginfo->curr_pixmap, gc, TRUE, tpoints, 3);
+        }
 }
 
 static void draw_plot(struct graph_info *ginfo, struct graph_plot *plot,