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authorGerd Hoffmann <kraxel@redhat.com>2012-02-24 11:03:27 +0100
committerGerd Hoffmann <kraxel@redhat.com>2012-02-27 13:37:36 +0100
commit808aeb98ffd9265da55a9ad3fceb86a7ac77107b (patch)
treeaf9f3a85db25e7fecc77643ea57ad4fab7b6ce41 /hw
parent7d1994f863c355f1906655f08d624582eeb30788 (diff)
usb: add tracepoint for usb packet state changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/hw/usb.c b/hw/usb.c
index e5b8f335dc..57fc5e3cfd 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -26,6 +26,7 @@
#include "qemu-common.h"
#include "usb.h"
#include "iov.h"
+#include "trace.h"
void usb_attach(USBPort *port)
{
@@ -390,7 +391,6 @@ void usb_packet_init(USBPacket *p)
void usb_packet_set_state(USBPacket *p, USBPacketState state)
{
-#ifdef DEBUG
static const char *name[] = {
[USB_PACKET_UNDEFINED] = "undef",
[USB_PACKET_SETUP] = "setup",
@@ -399,28 +399,11 @@ void usb_packet_set_state(USBPacket *p, USBPacketState state)
[USB_PACKET_COMPLETE] = "complete",
[USB_PACKET_CANCELED] = "canceled",
};
- static const char *rets[] = {
- [-USB_RET_NODEV] = "NODEV",
- [-USB_RET_NAK] = "NAK",
- [-USB_RET_STALL] = "STALL",
- [-USB_RET_BABBLE] = "BABBLE",
- [-USB_RET_ASYNC] = "ASYNC",
- };
- char add[16] = "";
+ USBDevice *dev = p->ep->dev;
+ USBBus *bus = usb_bus_from_device(dev);
- if (state == USB_PACKET_COMPLETE) {
- if (p->result < 0) {
- snprintf(add, sizeof(add), " - %s", rets[-p->result]);
- } else {
- snprintf(add, sizeof(add), " - %d", p->result);
- }
- }
- fprintf(stderr, "bus %s, port %s, dev %d, ep %d: packet %p: %s -> %s%s\n",
- p->ep->dev->qdev.parent_bus->name,
- p->ep->dev->port->path,
- p->ep->dev->addr, p->ep->nr,
- p, name[p->state], name[state], add);
-#endif
+ trace_usb_packet_state_change(bus->busnr, dev->port->path, p->ep->nr,
+ p, name[p->state], name[state]);
p->state = state;
}