trace-view: Implement event filter

This patch now implements the event filtering dialog for the trace-view (list)
only. This works with kernelshark too, but only the list is filtered.

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

1 files changed, 44 insertions, 0 deletions

diff --git a/trace-hash.c b/trace-hash.c
index 99b9feb..8435e6c 100644
--- a/trace-hash.c
+++ b/trace-hash.c
@@ -116,3 +116,47 @@ struct filter_task *filter_task_hash_alloc(void)
 
         return hash;
 }
+
+void filter_task_hash_free(struct filter_task *hash)
+{
+        if (!hash)
+                return;
+
+        filter_task_clear(hash);
+        g_free(hash->hash);
+        g_free(hash);
+}
+
+struct filter_task *filter_task_hash_copy(struct filter_task *hash)
+{
+        struct filter_task *new_hash;
+        struct filter_task_item *task, **ptask;
+        gint i;
+
+        if (!hash)
+                return NULL;
+
+        new_hash = filter_task_hash_alloc();
+        g_assert(new_hash);
+
+        for (i = 0; i < FILTER_TASK_HASH_SIZE; i++) {
+                task = hash->hash[i];
+                if (!task)
+                        continue;
+
+                ptask = &new_hash->hash[i];
+
+                while (task) {
+
+                        *ptask = g_new0(typeof(*task), 1);
+                        g_assert(*ptask);
+                        **ptask = *task;
+
+                        ptask = &(*ptask)->next;
+                        task = task->next;
+                }
+        }
+
+        return new_hash;
+}
+