X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Flttng-abi.c;h=f9e4422d24ee41b2fde52121e5c7af618e5c710d;hb=3b783111546e16bf005f63f316551e868cae7e1e;hp=09e437884c8e54971dad9597d6f517cb8cf660fc;hpb=18f12d55db4f9c78bde2738931a45557050858eb;p=deliverable%2Flttng-modules.git

diff --git a/src/lttng-abi.c b/src/lttng-abi.c
index 09e43788..f9e4422d 100644
--- a/src/lttng-abi.c
+++ b/src/lttng-abi.c
@@ -909,11 +909,14 @@ skip_get_next:
 		}
 		read_count += copy_len;
 	}
-	return read_count;
+	goto put_record;
 
 nodata:
 	*ppos = 0;
 	chan->iter.len_left = 0;
+
+put_record:
+	lib_ring_buffer_put_current_record(buf);
 	return read_count;
 }
 
@@ -1708,6 +1711,7 @@ fd_error:
 static
 long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
+	struct lttng_event_notifier *event_notifier;
 	struct lttng_event_notifier_enabler *event_notifier_enabler;
 	enum lttng_event_type *evtype = file->private_data;
 
@@ -1715,7 +1719,8 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo
 	case LTTNG_KERNEL_ENABLE:
 		switch (*evtype) {
 		case LTTNG_TYPE_EVENT:
-			return -EINVAL;
+			event_notifier = file->private_data;
+			return lttng_event_notifier_enable(event_notifier);
 		case LTTNG_TYPE_ENABLER:
 			event_notifier_enabler = file->private_data;
 			return lttng_event_notifier_enabler_enable(event_notifier_enabler);
@@ -1726,7 +1731,8 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo
 	case LTTNG_KERNEL_DISABLE:
 		switch (*evtype) {
 		case LTTNG_TYPE_EVENT:
-			return -EINVAL;
+			event_notifier = file->private_data;
+			return lttng_event_notifier_disable(event_notifier);
 		case LTTNG_TYPE_ENABLER:
 			event_notifier_enabler = file->private_data;
 			return lttng_event_notifier_enabler_disable(event_notifier_enabler);
@@ -1746,6 +1752,18 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo
 			WARN_ON_ONCE(1);
 			return -ENOSYS;
 		}
+	case LTTNG_KERNEL_ADD_CALLSITE:
+		switch (*evtype) {
+		case LTTNG_TYPE_EVENT:
+			event_notifier = file->private_data;
+			return lttng_event_notifier_add_callsite(event_notifier,
+				(struct lttng_kernel_event_callsite __user *) arg);
+		case LTTNG_TYPE_ENABLER:
+			return -EINVAL;
+		default:
+			WARN_ON_ONCE(1);
+			return -ENOSYS;
+		}
 	default:
 		return -ENOIOCTLCMD;
 	}
@@ -1801,9 +1819,13 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file,
 
 	switch (event_notifier_param->event.instrumentation) {
 	case LTTNG_KERNEL_TRACEPOINT:
-	case LTTNG_KERNEL_KPROBE:
 	case LTTNG_KERNEL_UPROBE:
+		break;
+	case LTTNG_KERNEL_KPROBE:
+		event_notifier_param->event.u.kprobe.symbol_name[LTTNG_KERNEL_SYM_NAME_LEN - 1] = '\0';
+		break;
 	case LTTNG_KERNEL_KRETPROBE:
+		/* Placing an event notifier on kretprobe is not supported. */
 	case LTTNG_KERNEL_FUNCTION:
 	case LTTNG_KERNEL_NOOP:
 	case LTTNG_KERNEL_SYSCALL: