vlib: epoll on worker threads
This patch teaches worer threads to sleep and to be waken up by
kernel if there is activity on file desctiptors assigned to that thread.
It also adds counters to epoll file descriptors and new
debug cli 'show unix file'.
Change-Id: Iaf67869f4aa88ff5b0a08982e1c08474013107c4
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index 02ded3f..aa9db3a 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -109,6 +109,8 @@
t.read_function = call_read_ready;
t.file_descriptor = vring->call_fd;
t.private_data = vif->dev_instance << 16 | idx;
+ t.description = format (0, "%U vring %u", format_virtio_device_name,
+ vif->dev_instance, idx);
vring->call_file_index = clib_file_add (&file_main, &t);
state.index = idx;
diff --git a/src/vnet/devices/virtio/virtio.h b/src/vnet/devices/virtio/virtio.h
index 90eeb53..7ffb2ea 100644
--- a/src/vnet/devices/virtio/virtio.h
+++ b/src/vnet/devices/virtio/virtio.h
@@ -132,6 +132,8 @@
u32 idx);
extern void virtio_free_used_desc (vlib_main_t * vm, virtio_vring_t * vring);
+format_function_t format_virtio_device_name;
+
#endif /* _VNET_DEVICES_VIRTIO_VIRTIO_H_ */
/*