From 5138efecf23471abcf7dedce1956918f4ba312e3 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 15 Apr 2011 11:51:13 +0200 Subject: [PATCH] scsi: add tracing of scsi requests Signed-off-by: Paolo Bonzini Reviewed-by: Christoph Hellwig --- hw/scsi-bus.c | 6 ++++++ trace-events | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index ceeb4ecb91..0fd85fc56d 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -4,6 +4,7 @@ #include "scsi-defs.h" #include "qdev.h" #include "blockdev.h" +#include "trace.h" static char *scsibus_get_fw_dev_path(DeviceState *dev); @@ -141,6 +142,7 @@ SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t l req->lun = lun; req->status = -1; req->enqueued = true; + trace_scsi_req_alloc(req->dev->id, req->lun, req->tag); QTAILQ_INSERT_TAIL(&d->requests, req, next); return req; } @@ -159,6 +161,7 @@ SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag) static void scsi_req_dequeue(SCSIRequest *req) { + trace_scsi_req_dequeue(req->dev->id, req->lun, req->tag); if (req->enqueued) { QTAILQ_REMOVE(&req->dev->requests, req, next); req->enqueued = false; @@ -195,6 +198,7 @@ static int scsi_req_length(SCSIRequest *req, uint8_t *cmd) req->cmd.len = 12; break; default: + trace_scsi_req_parse_bad(req->dev->id, req->lun, req->tag, cmd[0]); return -1; } @@ -392,6 +396,8 @@ int scsi_req_parse(SCSIRequest *req, uint8_t *buf) memcpy(req->cmd.buf, buf, req->cmd.len); 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); return 0; } diff --git a/trace-events b/trace-events index 385cb00009..b11b71d205 100644 --- a/trace-events +++ b/trace-events @@ -205,6 +205,12 @@ disable usb_set_config(int addr, int config, int ret) "dev %d, config %d, ret %d 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" -- GitLab