diff --git a/hw/block/trace-events b/hw/block/trace-events
index 34be8b9135..c041ec45e3 100644
--- a/hw/block/trace-events
+++ b/hw/block/trace-events
@@ -90,3 +90,10 @@ m25p80_read_data(void *s, uint32_t pos, uint8_t v) "[%p] Read data
0x%"PRIx32"=0
m25p80_read_sfdp(void *s, uint32_t addr, uint8_t v) "[%p] Read SFDP
0x%"PRIx32"=0x%"PRIx8
m25p80_binding(void *s) "[%p] Binding to IF_MTD drive"
m25p80_binding_no_bdrv(void *s) "[%p] No BDRV - binding to RAM"
+
+# swim.c
+swim_swimctrl_read(int reg, const char *name, unsigned size, uint64_t value)
"reg=%d [%s] size=%u value=0x%"PRIx64
+swim_swimctrl_write(int reg, const char *name, unsigned size, uint64_t value)
"reg=%d [%s] size=%u value=0x%"PRIx64
+swim_iwmctrl_read(int reg, unsigned size, uint64_t value) "reg=%d size=%u
value=0x%"PRIx64
+swim_iwmctrl_write(int reg, unsigned size, uint64_t value) "reg=%d size=%u
value=0x%"PRIx64