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[Qemu-devel] [PATCH] scsi: fix tracing of scsi requests with simple back
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH] scsi: fix tracing of scsi requests with simple backend |
Date: |
Fri, 3 Jun 2011 14:57:06 +0200 |
The simple backend only supports a maximum of 6 arguments. Split the
scsi_req_parsed event in two parts to cope with the limit.
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi-bus.c | 6 +++++-
trace-events | 3 ++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index 837f24e..ad6a730 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -413,7 +413,11 @@ int scsi_req_parse(SCSIRequest *req, uint8_t *buf)
scsi_req_xfer_mode(req);
req->cmd.lba = scsi_req_lba(req);
trace_scsi_req_parsed(req->dev->id, req->lun, req->tag, buf[0],
- req->cmd.mode, req->cmd.xfer, req->cmd.lba);
+ req->cmd.mode, req->cmd.xfer);
+ if (req->cmd.lba != -1) {
+ trace_scsi_req_parsed_lba(req->dev->id, req->lun, req->tag, buf[0],
+ req->cmd.lba);
+ }
return 0;
}
diff --git a/trace-events b/trace-events
index 3137a15..e0e9574 100644
--- a/trace-events
+++ b/trace-events
@@ -210,7 +210,8 @@ disable scsi_req_alloc(int target, int lun, int tag)
"target %d lun %d tag %d"
disable scsi_req_data(int target, int lun, int tag, int len) "target %d lun %d
tag %d len %d"
disable scsi_req_dequeue(int target, int lun, int tag) "target %d lun %d tag
%d"
disable scsi_req_continue(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_parsed(int target, int lun, int tag, int cmd, int mode, int
xfer) "target %d lun %d tag %d command %d dir %d length %d"
+disable scsi_req_parsed_lba(int target, int lun, int tag, int cmd, uint64_t
lba) "target %d lun %d tag %d command %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
--
1.7.4.4
- [Qemu-devel] [PATCH] scsi: fix tracing of scsi requests with simple backend,
Paolo Bonzini <=