vdpa: add vhost_vdpa_set_address_space_id trace

For better debuggability and observability.

Message-Id: <1707910082-10243-6-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>

diff --git a/net/trace-events b/net/trace-events
index 823a071bdce808b76c5de5a93cf08ace6a3d7e22..aab666a6a01316fc93c5e7e8968eff9bba4fc050 100644 (file)
--- a/net/trace-events
+++ b/net/trace-events
@@ -23,3 +23,6 @@ colo_compare_tcp_info(const char *pkt, uint32_t seq, uint32_t ack, int hdlen, in
 # filter-rewriter.c
 colo_filter_rewriter_pkt_info(const char *func, const char *src, const char *dst, uint32_t seq, uint32_t ack, uint32_t flag) "%s: src/dst: %s/%s p: seq/ack=%u/%u  flags=0x%x"
 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"

diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 85efda9e67da52d7c7f09bdd68192ef64bdc213c..9e8aded41dc13f23b4dc395104d004d11b0aa01e 100644 (file)
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -29,6 +29,7 @@
 #include "migration/migration.h"
 #include "migration/misc.h"
 #include "hw/virtio/vhost.h"
+#include "trace.h"
 
 /* Todo:need to add the multiqueue support here */
 typedef struct VhostVDPAState {
@@ -460,6 +461,8 @@ static int vhost_vdpa_set_address_space_id(struct vhost_vdpa *v,
     };
     int r;
 
+    trace_vhost_vdpa_set_address_space_id(v, vq_group, asid_num);
+
     r = ioctl(v->shared->device_fd, VHOST_VDPA_SET_GROUP_ASID, &asid);
     if (unlikely(r < 0)) {
         error_report("Can't set vq group %u asid %u, errno=%d (%s)",