scsi: add tracing of scsi requests

Signed-off-by: Paolo Bonzini <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
diff --git a/trace-events b/trace-events
index 385cb00..b11b71d 100644
--- a/trace-events
+++ b/trace-events
@@ -205,6 +205,12 @@
 disable usb_clear_device_feature(int addr, int feature, int ret) "dev %d, feature %d, ret %d"
 disable usb_set_device_feature(int addr, int feature, int ret) "dev %d, feature %d, ret %d"
 
+# hw/scsi-bus.c
+disable scsi_req_alloc(int target, int lun, int tag) "target %d lun %d tag %d"
+disable scsi_req_dequeue(int target, int lun, int tag) "target %d lun %d tag %d"
+disable scsi_req_parsed(int target, int lun, int tag, int cmd, int mode, int xfer, uint64_t lba) "target %d lun %d tag %d command %d dir %d length %d lba %"PRIu64""
+disable scsi_req_parse_bad(int target, int lun, int tag, int cmd) "target %d lun %d tag %d command %d"
+
 # vl.c
 disable vm_state_notify(int running, int reason) "running %d reason %d"