[sysprof] tools: add more time data to the event dump

[Christian Hergert <chergert src gnome org>]

commit b7696198bf9464190af9c6b28a4b51eece824730
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 16 10:13:01 2018 +0100

    tools: add more time data to the event dump

 tools/sysprof-dump.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/tools/sysprof-dump.c b/tools/sysprof-dump.c
index 15ce0c5..867f0c7 100644
--- a/tools/sysprof-dump.c
+++ b/tools/sysprof-dump.c
@@ -31,6 +31,7 @@ main (gint argc,
   GHashTable *ctrtypes;
   GError *error = NULL;
   gint64 begin_time;
+  gint64 end_time;
 
   if (argc != 2)
     {
@@ -52,6 +53,12 @@ main (gint argc,
       return EXIT_FAILURE;
     }
 
+  begin_time = sp_capture_reader_get_start_time (reader);
+  end_time = sp_capture_reader_get_end_time (reader);
+
+  g_print ("Capture Time Range: %"G_GUINT64_FORMAT" to %"G_GUINT64_FORMAT" (%lf)\n",
+           begin_time, end_time, (end_time - begin_time) / (gdouble)NSEC_PER_SEC);
+
   while (sp_capture_reader_peek_type (reader, &type))
     {
       switch (type)
@@ -118,13 +125,14 @@ main (gint argc,
         case SP_CAPTURE_FRAME_MARK:
           {
             const SpCaptureMark *mark = sp_capture_reader_read_mark (reader);
+            gdouble ptime = (mark->frame.time - begin_time) / (gdouble)NSEC_PER_SEC;
 
-            g_print ("MARK: pid=%d time=%"G_GINT64_FORMAT"\n"
+            g_print ("MARK: pid=%d time=%"G_GINT64_FORMAT" (%lf)\n"
                      "   group  = %s\n"
                      "    name  = %s\n"
                      " duration = %"G_GUINT64_FORMAT"\n"
                      "  message = %s\n",
-                     mark->frame.pid, mark->frame.time,
+                     mark->frame.pid, mark->frame.time, ptime,
                      mark->group, mark->name, mark->duration, mark->message);
 
             break;