diff --git a/scripts/tracetool/backend/log.py b/scripts/tracetool/backend/log.py
index 6751f41bc5a641e37dc460055bd0d1e5920d2472..33c95af8e9f33c142514263b964d055250613e5e 100644
--- a/scripts/tracetool/backend/log.py
+++ b/scripts/tracetool/backend/log.py
@@ -39,7 +39,7 @@ def generate_h(event, group):
         '        struct timeval _now;',
         '        gettimeofday(&_now, NULL);',
         '        qemu_log("%%d@%%zu.%%06zu:%(name)s " %(fmt)s "\\n",',
-        '                 getpid(),',
+        '                 qemu_get_thread_id(),',
         '                 (size_t)_now.tv_sec, (size_t)_now.tv_usec',
         '                 %(argnames)s);',
         '    }',
diff --git a/trace/simple.c b/trace/simple.c
index 701dec639c7f3a45e0094141d2a2e0b05ce21405..ac904eca9102fa3e8d657064b1de8c4ee552d0cd 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -169,9 +169,9 @@ static gpointer writeout_thread(gpointer opaque)
         wait_for_trace_records_available();
 
         if (g_atomic_int_get(&dropped_events)) {
-            dropped.rec.event = DROPPED_EVENT_ID,
+            dropped.rec.event = DROPPED_EVENT_ID;
             dropped.rec.timestamp_ns = get_clock();
-            dropped.rec.length = sizeof(TraceRecord) + sizeof(uint64_t),
+            dropped.rec.length = sizeof(TraceRecord) + sizeof(uint64_t);
             dropped.rec.pid = trace_pid;
             do {
                 dropped_count = g_atomic_int_get(&dropped_events);