diff --git a/system/cpus.c b/system/cpus.c
index d9de09b9e87b5f5d4eab095e38f7ca2ed942b2ba..9af5e221577926e3ea883ae89d5055bfb25183db 100644
--- a/system/cpus.c
+++ b/system/cpus.c
@@ -281,6 +281,8 @@ static int do_vm_stop(RunState state, bool send_stop)
         runstate_set(state);
         cpu_disable_ticks();
         pause_all_vcpus();
+        trace_all_vcpus_paused();
+
         vm_state_notify(0, state);
         if (send_stop) {
             qapi_event_send_stop();
@@ -752,6 +754,7 @@ int vm_prepare_start(bool step_pending)
     cpu_enable_ticks();
     runstate_set(RUN_STATE_RUNNING);
     vm_state_notify(1, RUN_STATE_RUNNING);
+    trace_all_vcpus_prepared();
     return 0;
 }
 
diff --git a/system/trace-events b/system/trace-events
index 69c9044151bc6016e7be4bff91f35218c990d073..ba0966497ba189a1af450d69d805b0878041d089 100644
--- a/system/trace-events
+++ b/system/trace-events
@@ -23,6 +23,8 @@ global_dirty_changed(unsigned int bitmask) "bitmask 0x%"PRIx32
 
 # cpus.c
 vm_stop_flush_all(int ret) "ret %d"
+all_vcpus_paused(void) ""
+all_vcpus_prepared(void) ""
 
 # vl.c
 vm_state_notify(int running, int reason, const char *reason_str) "running %d reason %d (%s)"