uprobe: Receive file descriptor from session instead of path to file

[lttng-modules.git] / lttng-events.c

diff --git a/lttng-events.c b/lttng-events.c
index 636a1891be0c188a9619d5a31ee103a4f57e2c86..67ed16972a10fbdfe949f4abf8e57bf4a2be0bbd 100644 (file)
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -743,9 +743,20 @@ struct lttng_event *_lttng_event_create(struct lttng_channel *chan,
                }
                break;
        case LTTNG_KERNEL_UPROBE:
+               /*
+                * Needs to be explicitly enabled after creation, since
+                * we may want to apply filters.
+                */
+               event->enabled = 0;
+               event->registered = 1;
+               /*
+                * Populate lttng_event structure before event
+                * registration.
+                */
+               smp_wmb();
 
                ret = lttng_uprobes_register(event_param->name,
-                               event_param->u.uprobe.path,
+                               event_param->u.uprobe.fd,
                                event_param->u.uprobe.offset,
                                event);
                if (ret)
@@ -815,6 +826,7 @@ void register_event(struct lttng_event *event)
                        desc->name);
                break;
        case LTTNG_KERNEL_KPROBE:
+       case LTTNG_KERNEL_UPROBE:
        case LTTNG_KERNEL_KRETPROBE:
        case LTTNG_KERNEL_FUNCTION:
        case LTTNG_KERNEL_NOOP: