flt.lttng-utils.debug-info: copy original stream's numeric ID

[babeltrace.git] / plugins / lttng-utils / copy.c

diff --git a/plugins/lttng-utils/copy.c b/plugins/lttng-utils/copy.c
index 07590c7b330127eae12a67318beb2f6f92b9fb8a..a2250c2c75f28a052878e15e29e5b83d7339a6f5 100644 (file)
--- a/plugins/lttng-utils/copy.c
+++ b/plugins/lttng-utils/copy.c
@@ -1045,10 +1045,6 @@ struct bt_ctf_stream_class *copy_stream_class_debug_info(FILE *err,
        int ret_int;
        const char *name = bt_ctf_stream_class_get_name(stream_class);
 
-       if (strlen(name) == 0) {
-               name = NULL;
-       }
-
        writer_stream_class = bt_ctf_stream_class_create_empty(name);
        if (!writer_stream_class) {
                fprintf(err, "[error] %s in %s:%d\n",
@@ -1134,6 +1130,7 @@ int add_clock_classes(FILE *err, struct bt_ctf_trace *writer_trace,
        for (i = 0; i < clock_class_count; i++) {
                struct bt_ctf_clock_class *clock_class =
                        bt_ctf_trace_get_clock_class_by_index(trace, i);
+               struct bt_ctf_clock_class *existing_clock_class = NULL;
 
                if (!clock_class) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
@@ -1141,6 +1138,14 @@ int add_clock_classes(FILE *err, struct bt_ctf_trace *writer_trace,
                        goto error;
                }
 
+               existing_clock_class = bt_ctf_trace_get_clock_class_by_name(
+                       writer_trace, bt_ctf_clock_class_get_name(clock_class));
+               bt_put(existing_clock_class);
+               if (existing_clock_class) {
+                       bt_put(clock_class);
+                       continue;
+               }
+
                ret = bt_ctf_trace_add_clock_class(writer_trace, clock_class);
                BT_PUT(clock_class);
                if (ret != 0) {
@@ -1237,6 +1242,7 @@ struct bt_ctf_stream *insert_new_stream(
        struct bt_ctf_stream *writer_stream = NULL;
        struct bt_ctf_stream_class *stream_class = NULL;
        struct bt_ctf_stream_class *writer_stream_class = NULL;
+       int64_t id;
 
        stream_class = bt_ctf_stream_get_class(stream);
        if (!stream_class) {
@@ -1260,8 +1266,16 @@ struct bt_ctf_stream *insert_new_stream(
        }
        bt_get(writer_stream_class);
 
-       writer_stream = bt_ctf_stream_create(writer_stream_class,
-                       bt_ctf_stream_get_name(stream));
+       id = bt_ctf_stream_get_id(stream);
+       if (id < 0) {
+               writer_stream = bt_ctf_stream_create(writer_stream_class,
+                               bt_ctf_stream_get_name(stream));
+       } else {
+               writer_stream = bt_ctf_stream_create_with_id(
+                       writer_stream_class,
+                       bt_ctf_stream_get_name(stream), id);
+       }
+
        if (!writer_stream) {
                fprintf(debug_it->err, "[error] %s in %s:%d\n",
                                __func__, __FILE__, __LINE__);