From bd1c78528cbd45629fe31127f5bde708263d6e17 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 31 Aug 2012 12:41:43 +0200 Subject: [PATCH] ehci: add doorbell trace events Signed-off-by: Gerd Hoffmann (cherry picked from commit 1defcbd1e81d67476b6e4e486bcd4d869162900d) Signed-off-by: Michael Roth --- hw/usb/hcd-ehci.c | 3 ++- trace-events | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 4564615..398f5e0 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -1241,6 +1241,7 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val) */ s->async_stepdown = 0; qemu_bh_schedule(s->async_bh); + trace_usb_ehci_doorbell_ring(); } if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) != @@ -2335,7 +2336,7 @@ static void ehci_advance_async_state(EHCIState *ehci) if (ehci->usbcmd & USBCMD_IAAD) { /* Remove all unseen qhs from the async qhs queue */ ehci_queues_rip_unused(ehci, async, 1); - DPRINTF("ASYNC: doorbell request acknowledged\n"); + trace_usb_ehci_doorbell_ack(); ehci->usbcmd &= ~USBCMD_IAAD; ehci_raise_irq(ehci, USBSTS_IAA); } diff --git a/trace-events b/trace-events index 5112a47..10bc04e 100644 --- a/trace-events +++ b/trace-events @@ -264,6 +264,8 @@ usb_ehci_queue_action(void *q, const char *action) "q %p: %s" usb_ehci_packet_action(void *q, void *p, const char *action) "q %p p %p: %s" usb_ehci_irq(uint32_t level, uint32_t frindex, uint32_t sts, uint32_t mask) "level %d, frindex 0x%04x, sts 0x%x, mask 0x%x" usb_ehci_guest_bug(const char *reason) "%s" +usb_ehci_doorbell_ring(void) "" +usb_ehci_doorbell_ack(void) "" # hw/usb/hcd-uhci.c usb_uhci_reset(void) "=== RESET ==="