Fix: add a kernel context list to the channel

[lttng-tools.git] / src / bin / lttng-sessiond / save.c

diff --git a/src/bin/lttng-sessiond/save.c b/src/bin/lttng-sessiond/save.c
index 8afdbb5002bcb9a7e0bf8ef1d3871ed6e1c7d300..684c4edbf9c80d5dd3089dde71c6b130772efad8 100644 (file)
--- a/src/bin/lttng-sessiond/save.c
+++ b/src/bin/lttng-sessiond/save.c
@@ -670,12 +670,6 @@ int save_kernel_context(struct config_writer *writer,
                goto end;
        }
 
-       ret = config_writer_open_element(writer, config_element_contexts);
-       if (ret) {
-               ret = LTTNG_ERR_SAVE_IO_FAIL;
-               goto end;
-       }
-
        ret = config_writer_open_element(writer, config_element_context);
        if (ret) {
                ret = LTTNG_ERR_SAVE_IO_FAIL;
@@ -741,6 +735,30 @@ int save_kernel_context(struct config_writer *writer,
                goto end;
        }
 
+end:
+       return ret;
+}
+
+static
+int save_kernel_contexts(struct config_writer *writer,
+               struct ltt_kernel_channel *kchan)
+{
+       int ret;
+       struct ltt_kernel_context *ctx;
+
+       ret = config_writer_open_element(writer, config_element_contexts);
+       if (ret) {
+               ret = LTTNG_ERR_SAVE_IO_FAIL;
+               goto end;
+       }
+
+       cds_list_for_each_entry(ctx, &kchan->ctx_list, list) {
+               ret = save_kernel_context(writer, &ctx->ctx);
+               if (ret) {
+                       goto end;
+               }
+       }
+
        /* /contexts */
        ret = config_writer_close_element(writer);
        if (ret) {
@@ -848,7 +866,7 @@ int save_kernel_channel(struct config_writer *writer,
                goto end;
        }
 
-       ret = save_kernel_context(writer, kchan->ctx);
+       ret = save_kernel_contexts(writer, kchan);
        if (ret) {
                goto end;
        }