trace-graph: Add advanced event filter

Add the menu and implementation to perform advance event filtering
on the trace-graph.

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

1 files changed, 44 insertions, 0 deletions

diff --git a/trace-graph.c b/trace-graph.c
index 8283824..e83bf27 100644
--- a/trace-graph.c
+++ b/trace-graph.c
@@ -32,6 +32,8 @@
 #include "trace-hash.h"
 #include "trace-filter.h"
 
+#include "util.h"
+
 #define DEBUG_LEVEL     0
 #if DEBUG_LEVEL > 0
 # define dprintf(l, x...)                       \
@@ -1752,6 +1754,48 @@ void trace_graph_event_filter_callback(gboolean accept,
         redraw_graph(ginfo);
 }
 
+void trace_graph_adv_filter_callback(gboolean accept,
+                                     const gchar *text,
+                                     gint *event_ids,
+                                     gpointer data)
+{
+        struct graph_info *ginfo = data;
+        struct event_filter *event_filter;
+        char *error_str;
+        int ret;
+        int i;
+
+        if (!accept)
+                return;
+
+        if (!has_text(text) && !event_ids)
+                return;
+
+        event_filter = ginfo->event_filter;
+
+        if (event_ids) {
+                for (i = 0; event_ids[i] >= 0; i++)
+                        pevent_filter_remove_event(event_filter, event_ids[i]);
+        }
+
+        if (has_text(text)) {
+
+                ginfo->all_events = FALSE;
+
+                pevent_filter_clear_trivial(event_filter,
+                                            FILTER_TRIVIAL_BOTH);
+
+                ret = pevent_filter_add_filter_str(event_filter, text, &error_str);
+                if (ret < 0) {
+                        warning("filter failed due to: %s", error_str);
+                        free(error_str);
+                        return;
+                }
+        }
+
+        redraw_graph(ginfo);
+}
+
 static void redraw_pixmap_backend(struct graph_info *ginfo)
 {
         GdkPixmap *old_pix;