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authorDamjan Marion <damarion@cisco.com>2018-01-19 20:56:12 +0100
committerDave Barach <openvpp@barachs.net>2018-02-06 18:17:46 +0000
commitceab7882f8016c2407a4383f87277bad069885b1 (patch)
treee90e247184d9dc3086b6f11f25dff8bd6e7ce51e /src/vnet/devices/virtio
parentdf5a99cef13ff6a22c195091be45152dc65f5d71 (diff)
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>
Diffstat (limited to 'src/vnet/devices/virtio')
-rw-r--r--src/vnet/devices/virtio/virtio.c2
-rw-r--r--src/vnet/devices/virtio/virtio.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index 02ded3f5f52..aa9db3a0ef3 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -109,6 +109,8 @@ virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx, u16 sz)
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 90eeb536ab1..7ffb2ea3dce 100644
--- a/src/vnet/devices/virtio/virtio.h
+++ b/src/vnet/devices/virtio/virtio.h
@@ -132,6 +132,8 @@ clib_error_t *virtio_vring_free (vlib_main_t * vm, virtio_if_t * vif,
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_ */
/*