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vdpa: add trace event for vhost_vdpa_net_load_mq

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For better debuggability and observability.

Message-Id: <1707910082-10243-10-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Si-Wei Liu 2024-02-14 03:27:59 -08:00 committed by Michael S. Tsirkin
parent faed74468f
commit 1c4eab477f
2 changed files with 3 additions and 0 deletions
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1
net/trace-events
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@ -28,3 +28,4 @@ colo_filter_rewriter_conn_offset(uint32_t offset) ": offset=%u"
vhost_vdpa_set_address_space_id(void *v, unsigned vq_group, unsigned asid_num) "vhost_vdpa: %p vq_group: %u asid: %u" vhost_vdpa_set_address_space_id(void *v, unsigned vq_group, unsigned asid_num) "vhost_vdpa: %p vq_group: %u asid: %u"
vhost_vdpa_net_load_cmd(void *s, uint8_t class, uint8_t cmd, int data_num, int data_size) "vdpa state: %p class: %u cmd: %u sg_num: %d size: %d" vhost_vdpa_net_load_cmd(void *s, uint8_t class, uint8_t cmd, int data_num, int data_size) "vdpa state: %p class: %u cmd: %u sg_num: %d size: %d"
vhost_vdpa_net_load_cmd_retval(void *s, uint8_t class, uint8_t cmd, int r) "vdpa state: %p class: %u cmd: %u retval: %d" vhost_vdpa_net_load_cmd_retval(void *s, uint8_t class, uint8_t cmd, int r) "vdpa state: %p class: %u cmd: %u retval: %d"
vhost_vdpa_net_load_mq(void *s, int ncurqps) "vdpa state: %p current_qpairs: %d"

2
net/vhost-vdpa.c
View File

@ -939,6 +939,8 @@ static int vhost_vdpa_net_load_mq(VhostVDPAState *s,
return 0; return 0;
} }
trace_vhost_vdpa_net_load_mq(s, n->curr_queue_pairs);
mq.virtqueue_pairs = cpu_to_le16(n->curr_queue_pairs); mq.virtqueue_pairs = cpu_to_le16(n->curr_queue_pairs);
const struct iovec data = { const struct iovec data = {
.iov_base = &mq, .iov_base = &mq,