hw/net: improve tracing of eBPF RSS setup

This adds more trace events to key eBPF RSS setup operations, and
also distinguishes events from multiple NIC instances.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index c08ae55..60e19bf 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1241,6 +1241,7 @@ static bool virtio_net_attach_ebpf_to_backend(NICState *nic, int prog_fd)
         return false;
     }
 
+    trace_virtio_net_rss_attach_ebpf(nic, prog_fd);
     return nc->info->set_steering_ebpf(nc, prog_fd);
 }
 
@@ -1297,12 +1298,13 @@ static void virtio_net_commit_rss_config(VirtIONet *n)
             }
         }
 
-        trace_virtio_net_rss_enable(n->rss_data.hash_types,
+        trace_virtio_net_rss_enable(n,
+                                    n->rss_data.hash_types,
                                     n->rss_data.indirections_len,
                                     sizeof(n->rss_data.key));
     } else {
         virtio_net_detach_ebpf_rss(n);
-        trace_virtio_net_rss_disable();
+        trace_virtio_net_rss_disable(n);
     }
 }
 
@@ -1353,6 +1355,7 @@ static bool virtio_net_load_ebpf(VirtIONet *n, Error **errp)
     bool ret = false;
 
     if (virtio_net_attach_ebpf_to_backend(n->nic, -1)) {
+        trace_virtio_net_rss_load(n, n->nr_ebpf_rss_fds, n->ebpf_rss_fds);
         if (n->ebpf_rss_fds) {
             ret = virtio_net_load_ebpf_fds(n, errp);
         } else {
@@ -1484,7 +1487,7 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     virtio_net_commit_rss_config(n);
     return queue_pairs;
 error:
-    trace_virtio_net_rss_error(err_msg, err_value);
+    trace_virtio_net_rss_error(n, err_msg, err_value);
     virtio_net_disable_rss(n);
     return 0;
 }