trace-graph: Show comm name for task plots

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 8 insertions, 2 deletions

diff --git a/trace-plot-task.c b/trace-plot-task.c
index 98a0301..eb302fb 100644
--- a/trace-plot-task.c
+++ b/trace-plot-task.c
@@ -569,13 +569,19 @@ void graph_plot_task(struct graph_info *ginfo, int pid)
 {
         struct task_plot_info *task_info;
         struct graph_plot *plot;
-        char label[100];
+        const char *comm;
+        char *label;
+        int len;
 
         task_info = malloc_or_die(sizeof(*task_info));
         task_info->pid = pid;
+        comm = pevent_data_comm_from_pid(ginfo->pevent, pid);
 
-        snprintf(label, 100, "TASK %d", pid);
+        len = strlen(comm) + 100;
+        label = malloc_or_die(len);
+        snprintf(label, len, "%s-%d", comm, pid);
         plot = trace_graph_plot_append(ginfo, label, &task_plot_cb, task_info);
+        free(label);
 
         trace_graph_plot_add_all_recs(ginfo, plot);
 }