diff options
| -rw-r--r-- | hw/virtio/trace-events | 5 | ||||
| -rw-r--r-- | hw/virtio/virtio-pmem.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 2060a14..c62727f 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -122,3 +122,8 @@ virtio_mem_unplug_all_request(void) "" virtio_mem_resized_usable_region(uint64_t old_size, uint64_t new_size) "old_size=0x%" PRIx64 "new_size=0x%" PRIx64 virtio_mem_state_request(uint64_t addr, uint16_t nb_blocks) "addr=0x%" PRIx64 " nb_blocks=%" PRIu16 virtio_mem_state_response(uint16_t state) "state=%" PRIu16 + +# virtio-pmem.c +virtio_pmem_flush_request(void) "flush request" +virtio_pmem_response(void) "flush response" +virtio_pmem_flush_done(int type) "fsync return=%d" diff --git a/hw/virtio/virtio-pmem.c b/hw/virtio/virtio-pmem.c index ddb0125..d83e973 100644 --- a/hw/virtio/virtio-pmem.c +++ b/hw/virtio/virtio-pmem.c @@ -24,6 +24,7 @@ #include "sysemu/hostmem.h" #include "block/aio.h" #include "block/thread-pool.h" +#include "trace.h" typedef struct VirtIODeviceRequest { VirtQueueElement elem; @@ -41,6 +42,7 @@ static int worker_cb(void *opaque) /* flush raw backing image */ err = fsync(req_data->fd); + trace_virtio_pmem_flush_done(err); if (err != 0) { err = 1; } @@ -59,6 +61,7 @@ static void done_cb(void *opaque, int ret) /* Callbacks are serialized, so no need to use atomic ops. */ virtqueue_push(req_data->pmem->rq_vq, &req_data->elem, len); virtio_notify((VirtIODevice *)req_data->pmem, req_data->pmem->rq_vq); + trace_virtio_pmem_response(); g_free(req_data); } @@ -69,6 +72,7 @@ static void virtio_pmem_flush(VirtIODevice *vdev, VirtQueue *vq) HostMemoryBackend *backend = MEMORY_BACKEND(pmem->memdev); ThreadPool *pool = aio_get_thread_pool(qemu_get_aio_context()); + trace_virtio_pmem_flush_request(); req_data = virtqueue_pop(vq, sizeof(VirtIODeviceRequest)); if (!req_data) { virtio_error(vdev, "virtio-pmem missing request data"); |