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File _service:tar_scm:log-Add-some-logs-on-VM-runtime-path.patch of Package qemu
From 9d683f1ea8961d89cececf1fdc3345663744067f Mon Sep 17 00:00:00 2001 From: Yan Wang <wangyan122@huawei.com> Date: Tue, 8 Feb 2022 15:48:01 +0800 Subject: [PATCH] log: Add some logs on VM runtime path Add logs on VM runtime path, to make it easier to do trouble shooting. Signed-off-by: Ying Fang <fangying1@huawei.com> Signed-off-by: Yan Wang <wangyan122@huawei.com> Signed-off-by: Adttil <yangtao286@huawei.com> --- hw/virtio/virtio-pci.c | 2 ++ hw/virtio/virtio.c | 14 ++++++++++++-- monitor/monitor.c | 9 +++++++++ qapi/qmp-dispatch.c | 15 +++++++++++++++ system/qdev-monitor.c | 4 +++- 5 files changed, 41 insertions(+), 3 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index e433879542..134a8eaef6 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -2082,7 +2082,9 @@ static void virtio_pci_device_unplugged(DeviceState *d) VirtIOPCIProxy *proxy = VIRTIO_PCI(d); bool modern = virtio_pci_modern(proxy); bool modern_pio = proxy->flags & VIRTIO_PCI_FLAG_MODERN_PIO_NOTIFY; + VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); + qemu_log("unplug device name: %s\n", !vdev ? "NULL" : vdev->name); virtio_pci_stop_ioeventfd(proxy); if (modern) { diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 3a160f86ed..a9aa0c4f66 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2048,7 +2048,14 @@ int virtio_set_status(VirtIODevice *vdev, uint8_t val) k->set_status(vdev, val); } vdev->status = val; - + if (val) { + qemu_log("%s device status is %d that means %s\n", + vdev->name, val, + (val & VIRTIO_CONFIG_S_DRIVER_OK) ? "DRIVER OK" : + (val & VIRTIO_CONFIG_S_DRIVER) ? "DRIVER" : + (val & VIRTIO_CONFIG_S_ACKNOWLEDGE) ? "ACKNOWLEDGE" : + (val & VIRTIO_CONFIG_S_FAILED) ? "FAILED" : "UNKNOWN"); + } return 0; } @@ -2326,8 +2333,11 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, break; } - if (i == VIRTIO_QUEUE_MAX || queue_size > VIRTQUEUE_MAX_SIZE) + if (i == VIRTIO_QUEUE_MAX || queue_size > VIRTQUEUE_MAX_SIZE) { + qemu_log("unacceptable queue_size (%d) or num (%d)\n", + queue_size, i); abort(); + } vdev->vq[i].vring.num = queue_size; vdev->vq[i].vring.num_default = queue_size; diff --git a/monitor/monitor.c b/monitor/monitor.c index 01ede1babd..e540c1334a 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -29,6 +29,7 @@ #include "qapi/qapi-emit-events.h" #include "qapi/qapi-visit-control.h" #include "qapi/qmp/qdict.h" +#include "qapi/qmp/qjson.h" #include "qemu/error-report.h" #include "qemu/option.h" #include "sysemu/qtest.h" @@ -338,6 +339,7 @@ static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) { Monitor *mon; MonitorQMP *qmp_mon; + GString *json; trace_monitor_protocol_event_emit(event, qdict); QTAILQ_FOREACH(mon, &mon_list, entry) { @@ -348,6 +350,13 @@ static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) qmp_mon = container_of(mon, MonitorQMP, common); if (qmp_mon->commands != &qmp_cap_negotiation_commands) { qmp_send_response(qmp_mon, qdict); + json = qobject_to_json(QOBJECT(qdict)); + if (json) { + if (!strstr(json->str, "RTC_CHANGE")) { + qemu_log("%s\n", json->str); + } + g_string_free(json, true); + } } } } diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 555528b6bb..7a215cbfd7 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -24,6 +24,7 @@ #include "qapi/qmp/qbool.h" #include "qemu/coroutine.h" #include "qemu/main-loop.h" +#include "qemu/log.h" Visitor *qobject_input_visitor_new_qmp(QObject *obj) { @@ -146,6 +147,7 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ QObject *id; QObject *ret = NULL; QDict *rsp = NULL; + GString *json; dict = qobject_to(QDict, request); if (!dict) { @@ -203,6 +205,19 @@ QDict *coroutine_mixed_fn qmp_dispatch(const QmpCommandList *cmds, QObject *requ qobject_ref(args); } + json = qobject_to_json(QOBJECT(args)); + if (json) { + if ((strcmp(command, "query-block-jobs") != 0) + && (strcmp(command, "query-migrate") != 0) + && (strcmp(command, "query-blockstats") != 0) + && (strcmp(command, "query-balloon") != 0) + && (strcmp(command, "set_password") != 0)) { + qemu_log("qmp_cmd_name: %s, arguments: %s\n", + command, json->str); + } + g_string_free(json, true); + } + assert(!(oob && qemu_in_coroutine())); assert(monitor_cur() == NULL); if (!!(cmd->options & QCO_COROUTINE) == qemu_in_coroutine()) { diff --git a/system/qdev-monitor.c b/system/qdev-monitor.c index a13db763e5..c885175b66 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -36,6 +36,7 @@ #include "qemu/option.h" #include "qemu/qemu-print.h" #include "qemu/option_int.h" +#include "qemu/log.h" #include "sysemu/block-backend.h" #include "migration/misc.h" #include "migration/migration.h" @@ -643,6 +644,7 @@ DeviceState *qdev_device_add_from_qdict(const QDict *opts, if (path != NULL) { bus = qbus_find(path, errp); if (!bus) { + error_setg(errp, "can not find bus for %s", driver); return NULL; } if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { @@ -715,7 +717,7 @@ DeviceState *qdev_device_add_from_qdict(const QDict *opts, if (*errp) { goto err_del_dev; } - + qemu_log("add qdev %s:%s success\n", driver, dev->id ? dev->id : "none"); if (!qdev_realize(dev, bus, errp)) { goto err_del_dev; } -- 2.27.0
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