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| author | Alex Bennée <alex.bennee@linaro.org> | 2022-08-02 10:49:57 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-10-07 09:41:51 -0400 |
| commit | a27612311988aff8f29a68ed5eaecde3bf6cdf99 (patch) | |
| tree | 36f50a8b517ca4dc1edfce248c6a4f1bb57fba81 /hw/virtio | |
| parent | 8d11c10d0699d9ee9745b4b5bc138e573d852c0f (diff) | |
| download | qemu-a27612311988aff8f29a68ed5eaecde3bf6cdf99.zip qemu-a27612311988aff8f29a68ed5eaecde3bf6cdf99.tar.gz qemu-a27612311988aff8f29a68ed5eaecde3bf6cdf99.tar.bz2 | |
hw/virtio: add some vhost-user trace events
These are useful for tracing the lifetime of vhost-user connections.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220802095010.3330793-10-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/trace-events | 4 | ||||
| -rw-r--r-- | hw/virtio/vhost.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 20af2e7..887ca7a 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -8,6 +8,10 @@ vhost_region_add_section_aligned(const char *name, uint64_t gpa, uint64_t size, vhost_section(const char *name) "%s" vhost_reject_section(const char *name, int d) "%s:%d" vhost_iotlb_miss(void *dev, int step) "%p step %d" +vhost_dev_cleanup(void *dev) "%p" +vhost_dev_start(void *dev, const char *name) "%p:%s" +vhost_dev_stop(void *dev, const char *name) "%p:%s" + # vhost-user.c vhost_user_postcopy_end_entry(void) "" diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index f758f17..5185c15 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1477,6 +1477,8 @@ void vhost_dev_cleanup(struct vhost_dev *hdev) { int i; + trace_vhost_dev_cleanup(hdev); + for (i = 0; i < hdev->nvqs; ++i) { vhost_virtqueue_cleanup(hdev->vqs + i); } @@ -1783,6 +1785,8 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) /* should only be called after backend is connected */ assert(hdev->vhost_ops); + trace_vhost_dev_start(hdev, vdev->name); + vdev->vhost_started = true; hdev->started = true; hdev->vdev = vdev; @@ -1869,6 +1873,8 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev) /* should only be called after backend is connected */ assert(hdev->vhost_ops); + trace_vhost_dev_stop(hdev, vdev->name); + if (hdev->vhost_ops->vhost_dev_start) { hdev->vhost_ops->vhost_dev_start(hdev, false); } |