| Message ID | 20200811172845.16698-3-philmd@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | util/vfio-helpers: Fixes to allow using multiple IRQs | expand |
On Tue, 11 Aug 2020 19:28:44 +0200 Philippe Mathieu-Daudé <philmd@redhat.com> wrote: > Add a trace event to display the amount of IRQs available > on the device. > > Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> > --- > util/vfio-helpers.c | 1 + > util/trace-events | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c > index 6defefcc01..3ad7e6be52 100644 > --- a/util/vfio-helpers.c > +++ b/util/vfio-helpers.c > @@ -192,6 +192,7 @@ int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e, > error_setg(errp, "Device interrupt doesn't support eventfd"); > return -EINVAL; > } > + trace_qemu_vfio_pci_init_irq(irq_info.count); > > irq_set_size = sizeof(*irq_set) + sizeof(int32_t); > irq_set = g_malloc0(irq_set_size); > diff --git a/util/trace-events b/util/trace-events > index 0ce42822eb..351dbdbe3c 100644 > --- a/util/trace-events > +++ b/util/trace-events > @@ -83,3 +83,4 @@ qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_t iova > qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %p host %p size %zu iova 0x%"PRIx64 > qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64_t *iova) "s %p host %p size %zu temporary %d iova %p" > qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" > +qemu_vfio_pci_init_irq(uint32_t count) "device interrupt count: %"PRIu32 Knowing the count independent of which index we're looking at doesn't seem very useful. Thanks, Alex
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 6defefcc01..3ad7e6be52 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -192,6 +192,7 @@ int qemu_vfio_pci_init_irq(QEMUVFIOState *s, EventNotifier *e, error_setg(errp, "Device interrupt doesn't support eventfd"); return -EINVAL; } + trace_qemu_vfio_pci_init_irq(irq_info.count); irq_set_size = sizeof(*irq_set) + sizeof(int32_t); irq_set = g_malloc0(irq_set_size); diff --git a/util/trace-events b/util/trace-events index 0ce42822eb..351dbdbe3c 100644 --- a/util/trace-events +++ b/util/trace-events @@ -83,3 +83,4 @@ qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_t iova qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %p host %p size %zu iova 0x%"PRIx64 qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64_t *iova) "s %p host %p size %zu temporary %d iova %p" qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" +qemu_vfio_pci_init_irq(uint32_t count) "device interrupt count: %"PRIu32
Add a trace event to display the amount of IRQs available on the device. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> --- util/vfio-helpers.c | 1 + util/trace-events | 1 + 2 files changed, 2 insertions(+)