kernelshark: Add loading and saving of filters

Hooked to the trace-view and trace-graph code to load and save
event and task filters.

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

1 files changed, 89 insertions, 0 deletions

diff --git a/kernel-shark.c b/kernel-shark.c
index d913ae0..7bc80fe 100644
--- a/kernel-shark.c
+++ b/kernel-shark.c
@@ -158,6 +158,66 @@ load_clicked (gpointer data)
         g_free(filename);
 }
 
+/* Callback for the clicked signal of the Load Filters button */
+static void
+load_filters_clicked (gpointer data)
+{
+        struct shark_info *info = data;
+        struct graph_info *ginfo = info->ginfo;
+        GtkTreeView *trace_tree = GTK_TREE_VIEW(info->treeview);
+        struct tracecmd_xml_handle *handle;
+        gchar *filename;
+
+        filename = trace_get_file_dialog("Load Filters");
+        if (!filename)
+                return;
+
+        handle = tracecmd_xml_open(filename);
+        if (!handle)
+                warning("Could not open %s", filename);
+        g_free(filename);
+
+        /*
+         * Just in case we are loading only a tree view filter,
+         * we will load the task filters for the tree view first.
+         * Then we load the graph next, and if the graph has
+         * trace filters, than those will override them.
+         */
+        trace_view_load_filters(handle, trace_tree,
+                                ginfo->task_filter,
+                                ginfo->hide_tasks);
+        trace_graph_load_filters(ginfo, handle);
+
+        tracecmd_xml_close(handle);
+}
+
+/* Callback for the clicked signal of the Save Filters button */
+static void
+save_filters_clicked (gpointer data)
+{
+        struct shark_info *info = data;
+        struct graph_info *ginfo = info->ginfo;
+        struct tracecmd_xml_handle *handle;
+        GtkTreeView *trace_tree = GTK_TREE_VIEW(info->treeview);
+        gchar *filename;
+
+        filename = trace_get_file_dialog("Save Filters");
+        if (!filename)
+                return;
+
+        handle = tracecmd_xml_create(filename);
+        if (!handle)
+                warning("Could not create %s", filename);
+        g_free(filename);
+
+        trace_view_save_filters(handle, trace_tree,
+                                ginfo->task_filter, ginfo->hide_tasks);
+
+        trace_graph_save_filters(ginfo, handle);
+
+        tracecmd_xml_close(handle);
+}
+
 /* Callback for the clicked signal of the Exit button */
 static void
 exit_clicked (gpointer data)
@@ -769,6 +829,35 @@ void kernel_shark(int argc, char **argv)
         gtk_widget_show(sub_item);
 
 
+        /* --- File - Load Filter Option --- */
+
+        sub_item = gtk_menu_item_new_with_label("Load filters");
+
+        /* Add them to the menu */
+        gtk_menu_shell_append(GTK_MENU_SHELL (menu), sub_item);
+
+        g_signal_connect_swapped (G_OBJECT (sub_item), "activate",
+                                  G_CALLBACK (load_filters_clicked),
+                                  (gpointer) info);
+
+        /* We do need to show menu items */
+        gtk_widget_show(sub_item);
+
+
+        /* --- File - Save Filter Option --- */
+
+        sub_item = gtk_menu_item_new_with_label("Save filters");
+
+        /* Add them to the menu */
+        gtk_menu_shell_append(GTK_MENU_SHELL (menu), sub_item);
+
+        g_signal_connect_swapped (G_OBJECT (sub_item), "activate",
+                                  G_CALLBACK (save_filters_clicked),
+                                  (gpointer) info);
+
+        /* We do need to show menu items */
+        gtk_widget_show(sub_item);
+
         /* --- File - Quit Option --- */
 
         sub_item = gtk_menu_item_new_with_label("Quit");