Update ABI to select the output method

[lttng-modules.git] / ltt-debugfs-abi.c

diff --git a/ltt-debugfs-abi.c b/ltt-debugfs-abi.c
index 6327d09a65d713fde5e6dd36dbf269163f9ad257..0aa2cec03381ea0f58d121f1136cc6e7544b9455 100644 (file)
--- a/ltt-debugfs-abi.c
+++ b/ltt-debugfs-abi.c
@@ -289,12 +289,24 @@ int lttng_abi_create_channel(struct file *session_file,
        }
        switch (channel_type) {
        case PER_CPU_CHANNEL:
-               transport_name = chan_param.overwrite ?
-                       "relay-overwrite" : "relay-discard";
+               if (chan_param.output == LTTNG_KERNEL_SPLICE) {
+                       transport_name = chan_param.overwrite ?
+                               "relay-overwrite" : "relay-discard";
+               } else if (chan_param.output == LTTNG_KERNEL_MMAP) {
+                       transport_name = chan_param.overwrite ?
+                               "relay-overwrite-mmap" : "relay-discard-mmap";
+               } else {
+                       return -EINVAL;
+               }
                fops = &lttng_channel_fops;
                break;
        case METADATA_CHANNEL:
-               transport_name = "relay-metadata";
+               if (chan_param.output == LTTNG_KERNEL_SPLICE)
+                       transport_name = "relay-metadata";
+               else if (chan_param.output == LTTNG_KERNEL_MMAP)
+                       transport_name = "relay-metadata-mmap";
+               else
+                       return -EINVAL;
                fops = &lttng_metadata_fops;
                break;
        default: