Fix: Save kernel event filter when saving session configuration

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-sessiond/save.c b/src/bin/lttng-sessiond/save.c
index 851b9ac5b2f27171dd5bc06fb0ec8b7ad4f02e44..2e3e3d68451db189ae7af0d8eba650ebb28a2233 100644 (file)
--- a/src/bin/lttng-sessiond/save.c
+++ b/src/bin/lttng-sessiond/save.c
@@ -363,6 +363,16 @@ int save_kernel_event(struct config_writer *writer,
                goto end;
        }
 
+       if (event->filter_expression) {
+               ret = config_writer_write_element_string(writer,
+                               config_element_filter,
+                               event->filter_expression);
+               if (ret) {
+                       ret = LTTNG_ERR_SAVE_IO_FAIL;
+                       goto end;
+               }
+       }
+
        if (event->event->instrumentation == LTTNG_KERNEL_FUNCTION ||
                event->event->instrumentation == LTTNG_KERNEL_KPROBE ||
                event->event->instrumentation == LTTNG_KERNEL_KRETPROBE) {