[PULL v2 59/86] virtio-pci: add notification trace points

[Michael S. Tsirkin]

From: Alex Bennée <alex.bennee@linaro.org>

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200925125147.26943-6-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220321153037.3622127-3-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/virtio/virtio-pci.c | 3 +++
 hw/virtio/trace-events | 7 ++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 602be7f83d..0566ad7d00 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -38,6 +38,7 @@
 #include "hw/virtio/virtio-bus.h"
 #include "qapi/visitor.h"
 #include "sysemu/replay.h"
+#include "trace.h"
 
 #define VIRTIO_PCI_REGION_SIZE(dev)     
VIRTIO_PCI_CONFIG_OFF(msix_present(dev))
 
@@ -1380,6 +1381,7 @@ static void virtio_pci_notify_write(void *opaque, hwaddr 
addr,
     unsigned queue = addr / virtio_pci_queue_mem_mult(proxy);
 
     if (vdev != NULL && queue < VIRTIO_QUEUE_MAX) {
+        trace_virtio_pci_notify_write(addr, val, size);
         virtio_queue_notify(vdev, queue);
     }
 }
@@ -1393,6 +1395,7 @@ static void virtio_pci_notify_write_pio(void *opaque, 
hwaddr addr,
     unsigned queue = val;
 
     if (vdev != NULL && queue < VIRTIO_QUEUE_MAX) {
+        trace_virtio_pci_notify_write_pio(addr, val, size);
         virtio_queue_notify(vdev, queue);
     }
 }
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 333348d9d5..7a6576d833 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -89,7 +89,12 @@ virtio_mmio_guest_page(uint64_t size, int shift) "guest page 
size 0x%" PRIx64 "
 virtio_mmio_queue_write(uint64_t value, int max_size) "mmio_queue write 0x%" 
PRIx64 " max %d"
 virtio_mmio_setting_irq(int level) "virtio_mmio setting IRQ %d"
 
-# virtio-iommu.c
+# virtio-pci.c
+virtio_pci_notify(uint16_t vector) "virtio_pci_notify vec 0x%x"
+virtio_pci_notify_write(uint64_t addr, uint64_t val, unsigned int size) "0x%" 
PRIx64" = 0x%" PRIx64 " (%d)"
+virtio_pci_notify_write_pio(uint64_t addr, uint64_t val, unsigned int size) 
"0x%" PRIx64" = 0x%" PRIx64 " (%d)"
+
+# hw/virtio/virtio-iommu.c
 virtio_iommu_device_reset(void) "reset!"
 virtio_iommu_system_reset(void) "system reset!"
 virtio_iommu_get_features(uint64_t features) "device supports 
features=0x%"PRIx64
-- 
MST