From b3f8b45b16e36236b211d08c703adbfe1d01de77 Mon Sep 17 00:00:00 2001
From: Christian Hergert <chergert@redhat.com>
Date: Thu, 6 Jul 2023 15:33:56 -0700
Subject: [PATCH] libsysprof-analyze: add duration property to process

This is a bit easier to bind to a chart since we need the expression as
a duration rather than the end time.
---
 .../sysprof-document-process.c                | 22 +++++++++++++++++++
 .../sysprof-document-process.h                |  2 ++
 2 files changed, 24 insertions(+)

diff --git a/src/libsysprof-analyze/sysprof-document-process.c b/src/libsysprof-analyze/sysprof-document-process.c
index 9ff93209..9dc8c4ca 100644
--- a/src/libsysprof-analyze/sysprof-document-process.c
+++ b/src/libsysprof-analyze/sysprof-document-process.c
@@ -38,6 +38,7 @@ struct _SysprofDocumentProcessClass
 enum {
   PROP_0,
   PROP_COMMAND_LINE,
+  PROP_DURATION,
   PROP_EXIT_TIME,
   N_PROPS
 };
@@ -70,6 +71,10 @@ sysprof_document_process_get_property (GObject    *object,
       g_value_set_string (value, sysprof_document_process_get_command_line (self));
       break;
 
+    case PROP_DURATION:
+      g_value_set_int64 (value, sysprof_document_process_get_duration (self));
+      break;
+
     case PROP_EXIT_TIME:
       g_value_set_int64 (value, sysprof_document_process_get_exit_time (self));
       break;
@@ -92,6 +97,11 @@ sysprof_document_process_class_init (SysprofDocumentProcessClass *klass)
                          NULL,
                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
+  properties [PROP_DURATION] =
+    g_param_spec_int64 ("duration", NULL, NULL,
+                        G_MININT64, G_MAXINT64, 0,
+                        (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
   properties [PROP_EXIT_TIME] =
     g_param_spec_int64 ("exit-time", NULL, NULL,
                         G_MININT64, G_MAXINT64, 0,
@@ -189,3 +199,15 @@ sysprof_document_process_get_exit_time (SysprofDocumentProcess *self)
 
   return MAX (t, exit_time);
 }
+
+gint64
+sysprof_document_process_get_duration (SysprofDocumentProcess *self)
+{
+  gint64 t;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_PROCESS (self), 0);
+
+  t = sysprof_document_frame_get_time (SYSPROF_DOCUMENT_FRAME (self));
+
+  return sysprof_document_process_get_exit_time (self) - t;
+}
diff --git a/src/libsysprof-analyze/sysprof-document-process.h b/src/libsysprof-analyze/sysprof-document-process.h
index 78c67a9b..4c498968 100644
--- a/src/libsysprof-analyze/sysprof-document-process.h
+++ b/src/libsysprof-analyze/sysprof-document-process.h
@@ -41,6 +41,8 @@ const char *sysprof_document_process_get_command_line (SysprofDocumentProcess *s
 SYSPROF_AVAILABLE_IN_ALL
 gint64      sysprof_document_process_get_exit_time    (SysprofDocumentProcess *self);
 SYSPROF_AVAILABLE_IN_ALL
+gint64      sysprof_document_process_get_duration     (SysprofDocumentProcess *self);
+SYSPROF_AVAILABLE_IN_ALL
 GListModel *sysprof_document_process_list_memory_maps (SysprofDocumentProcess *self);
 SYSPROF_AVAILABLE_IN_ALL
 GListModel *sysprof_document_process_list_mounts      (SysprofDocumentProcess *self);