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From 77e3a7e6bf15a85040101e7c0990dd82abdc9e9c Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Fri, 31 Aug 2012 12:41:43 +0200
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Subject: [PATCH 312/366] ehci: add doorbell trace events
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/usb/hcd-ehci.c | 3 ++-
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trace-events | 2 ++
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2 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index 4564615..398f5e0 100644
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--- a/hw/usb/hcd-ehci.c
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+++ b/hw/usb/hcd-ehci.c
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@@ -1241,6 +1241,7 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
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*/
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s->async_stepdown = 0;
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qemu_bh_schedule(s->async_bh);
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+ trace_usb_ehci_doorbell_ring();
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}
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if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) !=
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@@ -2335,7 +2336,7 @@ static void ehci_advance_async_state(EHCIState *ehci)
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if (ehci->usbcmd & USBCMD_IAAD) {
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/* Remove all unseen qhs from the async qhs queue */
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ehci_queues_rip_unused(ehci, async, 1);
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- DPRINTF("ASYNC: doorbell request acknowledged\n");
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+ trace_usb_ehci_doorbell_ack();
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ehci->usbcmd &= ~USBCMD_IAAD;
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ehci_raise_irq(ehci, USBSTS_IAA);
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}
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diff --git a/trace-events b/trace-events
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index 5112a47..10bc04e 100644
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--- a/trace-events
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+++ b/trace-events
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@@ -264,6 +264,8 @@ usb_ehci_queue_action(void *q, const char *action) "q %p: %s"
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usb_ehci_packet_action(void *q, void *p, const char *action) "q %p p %p: %s"
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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"
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usb_ehci_guest_bug(const char *reason) "%s"
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+usb_ehci_doorbell_ring(void) ""
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+usb_ehci_doorbell_ack(void) ""
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# hw/usb/hcd-uhci.c
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usb_uhci_reset(void) "=== RESET ==="
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--
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1.7.12
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