diff mbox series

[v3,4/5] hw/vfio/common: Add a trace point in vfio_reset_handler

Message ID 20250218182737.76722-5-eric.auger@redhat.com (mailing list archive)
State New
Headers show
Series Fix vIOMMU reset order | expand

Commit Message

Eric Auger Feb. 18, 2025, 6:25 p.m. UTC 
To ease the debug of reset sequence, let's add a trace point
in vfio_reset_handler()

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
 hw/vfio/common.c     | 1 +
 hw/vfio/trace-events | 1 +
 2 files changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index f7499a9b74..173fb3a997 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -1386,6 +1386,7 @@  void vfio_reset_handler(void *opaque)
 {
     VFIODevice *vbasedev;
 
+    trace_vfio_reset_handler();
     QLIST_FOREACH(vbasedev, &vfio_device_list, global_next) {
         if (vbasedev->dev->realized) {
             vbasedev->ops->vfio_compute_needs_reset(vbasedev);
diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events
index cab1cf1de0..c5385e1a4f 100644
--- a/hw/vfio/trace-events
+++ b/hw/vfio/trace-events
@@ -120,6 +120,7 @@  vfio_get_dev_region(const char *name, int index, uint32_t type, uint32_t subtype
 vfio_legacy_dma_unmap_overflow_workaround(void) ""
 vfio_get_dirty_bitmap(uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t start, uint64_t dirty_pages) "iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64" dirty_pages=%"PRIu64
 vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu dirty @ 0x%"PRIx64" - 0x%"PRIx64
+vfio_reset_handler(void) ""
 
 # platform.c
 vfio_platform_realize(char *name, char *compat) "vfio device %s, compat = %s"