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authorSi-Wei Liu <si-wei.liu@oracle.com>2024-02-14 03:27:58 -0800
committerMichael S. Tsirkin <mst@redhat.com>2024-03-12 17:56:55 -0400
commitfaed74468fe4ade9503025094f8a03673c8bd416 (patch)
treee2d1426ff022d3109207b1c6792bbb2f6870ef3b /net
parent19a060bce17316d9ff7d8b3637fb391010be8144 (diff)
vdpa: add trace events for vhost_vdpa_net_load_cmd
For better debuggability and observability. Message-Id: <1707910082-10243-9-git-send-email-si-wei.liu@oracle.com> Reviewed-by: Eugenio PĂ©rez <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>
Diffstat (limited to 'net')
-rw-r--r--net/trace-events2
-rw-r--r--net/vhost-vdpa.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/net/trace-events b/net/trace-events
index aab666a6a0..88f56f2428 100644
--- a/net/trace-events
+++ b/net/trace-events
@@ -26,3 +26,5 @@ colo_filter_rewriter_conn_offset(uint32_t offset) ": offset=%u"
# vhost-vdpa.c
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_retval(void *s, uint8_t class, uint8_t cmd, int r) "vdpa state: %p class: %u cmd: %u retval: %d"
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 9e8aded41d..2c95a98cc6 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -715,6 +715,7 @@ static ssize_t vhost_vdpa_net_load_cmd(VhostVDPAState *s,
assert(data_size < vhost_vdpa_net_cvq_cmd_page_len() - sizeof(ctrl));
cmd_size = sizeof(ctrl) + data_size;
+ trace_vhost_vdpa_net_load_cmd(s, class, cmd, data_num, data_size);
if (vhost_svq_available_slots(svq) < 2 ||
iov_size(out_cursor, 1) < cmd_size) {
/*
@@ -746,6 +747,7 @@ static ssize_t vhost_vdpa_net_load_cmd(VhostVDPAState *s,
r = vhost_vdpa_net_cvq_add(s, &out, 1, &in, 1);
if (unlikely(r < 0)) {
+ trace_vhost_vdpa_net_load_cmd_retval(s, class, cmd, r);
return r;
}