diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 578517739a..6f24c1abb3 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -1774,6 +1774,21 @@ static bool same_stat_id(const struct stat *a, const struct stat *b)
     return a->st_dev == b->st_dev && a->st_ino == b->st_ino;
 }
 
+/*
+ * Returns a (newly allocated) comma-separated string presentation of the
+ * passed array for logging (tracing) purpose for trace event "v9fs_walk".
+ *
+ * It is caller's responsibility to free the returned string.
+ */
+static char *trace_v9fs_walk_wnames(V9fsString *wnames, size_t nwnames)
+{
+    g_autofree char **arr = g_malloc0_n(nwnames + 1, sizeof(char *));
+    for (size_t i = 0; i < nwnames; ++i) {
+        arr[i] = wnames[i].data;
+    }
+    return g_strjoinv(", ", arr);
+}
+
 static void coroutine_fn v9fs_walk(void *opaque)
 {
     int name_idx, nwalked;
@@ -1787,6 +1802,7 @@ static void coroutine_fn v9fs_walk(void *opaque)
     size_t offset = 7;
     int32_t fid, newfid;
     P9ARRAY_REF(V9fsString) wnames = NULL;
+    g_autofree char *trace_wnames = NULL;
     V9fsFidState *fidp;
     V9fsFidState *newfidp = NULL;
     V9fsPDU *pdu = opaque;
@@ -1800,11 +1816,9 @@ static void coroutine_fn v9fs_walk(void *opaque)
     }
     offset += err;
 
-    trace_v9fs_walk(pdu->tag, pdu->id, fid, newfid, nwnames);
-
     if (nwnames > P9_MAXWELEM) {
         err = -EINVAL;
-        goto out_nofid;
+        goto out_nofid_nownames;
     }
     if (nwnames) {
         P9ARRAY_NEW(V9fsString, wnames, nwnames);
@@ -1814,15 +1828,23 @@ static void coroutine_fn v9fs_walk(void *opaque)
         for (i = 0; i < nwnames; i++) {
             err = pdu_unmarshal(pdu, offset, "s", &wnames[i]);
             if (err < 0) {
-                goto out_nofid;
+                goto out_nofid_nownames;
             }
             if (name_is_illegal(wnames[i].data)) {
                 err = -ENOENT;
-                goto out_nofid;
+                goto out_nofid_nownames;
             }
             offset += err;
         }
+        if (trace_event_get_state_backends(TRACE_V9FS_WALK)) {
+            trace_wnames = trace_v9fs_walk_wnames(wnames, nwnames);
+            trace_v9fs_walk(pdu->tag, pdu->id, fid, newfid, nwnames,
+                            trace_wnames);
+        }
+    } else {
+        trace_v9fs_walk(pdu->tag, pdu->id, fid, newfid, nwnames, "");
     }
+
     fidp = get_fid(pdu, fid);
     if (fidp == NULL) {
         err = -ENOENT;
@@ -1957,7 +1979,11 @@ out:
     }
     v9fs_path_free(&dpath);
     v9fs_path_free(&path);
+    goto out_pdu_complete;
+out_nofid_nownames:
+    trace_v9fs_walk(pdu->tag, pdu->id, fid, newfid, nwnames, "<?>");
 out_nofid:
+out_pdu_complete:
     pdu_complete(pdu, err);
 }
 
diff --git a/hw/9pfs/trace-events b/hw/9pfs/trace-events
index a12e55c165..ed9f4e7209 100644
--- a/hw/9pfs/trace-events
+++ b/hw/9pfs/trace-events
@@ -11,7 +11,7 @@ v9fs_stat(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
 v9fs_stat_return(uint16_t tag, uint8_t id, int32_t mode, int32_t atime, int32_t mtime, int64_t length) "tag %d id %d stat={mode %d atime %d mtime %d length %"PRId64"}"
 v9fs_getattr(uint16_t tag, uint8_t id, int32_t fid, uint64_t request_mask) "tag %d id %d fid %d request_mask %"PRIu64
 v9fs_getattr_return(uint16_t tag, uint8_t id, uint64_t result_mask, uint32_t mode, uint32_t uid, uint32_t gid) "tag %d id %d getattr={result_mask %"PRId64" mode %u uid %u gid %u}"
-v9fs_walk(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, uint16_t nwnames) "tag %d id %d fid %d newfid %d nwnames %d"
+v9fs_walk(uint16_t tag, uint8_t id, int32_t fid, int32_t newfid, uint16_t nwnames, const char* wnames) "tag=%d id=%d fid=%d newfid=%d nwnames=%d wnames={%s}"
 v9fs_walk_return(uint16_t tag, uint8_t id, uint16_t nwnames, void* qids) "tag %d id %d nwnames %d qids %p"
 v9fs_open(uint16_t tag, uint8_t id, int32_t fid, int32_t mode) "tag %d id %d fid %d mode %d"
 v9fs_open_return(uint16_t tag, uint8_t id, uint8_t type, uint32_t version, uint64_t path, int iounit) "tag %u id %u qid={type %u version %u path %"PRIu64"} iounit %d"