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(unknown [2a02:6bf:8080:a94::1:15]) by mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id AwRFIp2FFSw0-jD4PzcbG; Wed, 15 Oct 2025 17:58:28 +0300 Precedence: bulk X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1760540308; bh=i+Ml9JXsD0yCNdPC8wPWT5tprwkwd9kIFUUhFxR3nUM=; h=Cc:Message-ID:References:Date:In-Reply-To:Subject:To:From; b=SBUwL4wsvdweuvds816r74IpXihk3VLN1/xheBUQdlanumJBrdTvGJ3hLZ932V/K8 qzTPc+AlkK3hni1ZyFZeictLTJ8RIjSwQuuhrXiefuSOXdxGgpHxz6IrcYKj4atHOd WWypp59/RQg5gC4pq2pzVaX+NaVlKFpozS+2zk3M= Authentication-Results: mail-nwsmtp-smtp-corp-main-69.vla.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: mst@redhat.com Cc: sgarzare@redhat.com, raphael@enfabrica.net, qemu-devel@nongnu.org, vsementsov@yandex-team.ru, yc-core@yandex-team.ru, d-tatianin@yandex-team.ru, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Raphael Norwitz Subject: [PATCH v3 21/23] vhost-user: make trace events more readable Date: Wed, 15 Oct 2025 17:58:05 +0300 Message-ID: <20251015145808.1112843-22-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251015145808.1112843-1-vsementsov@yandex-team.ru> References: <20251015145808.1112843-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a02:6b8:c0e:500:1:45:d181:df01; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1a.mail.yandex.net X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1760540745512158500 Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Raphael Norwitz Reviewed-by: Daniil Tatianin --- hw/virtio/trace-events | 4 +- hw/virtio/vhost-user.c | 94 +++++++++++++++++++++++++++++++++++++++++- 2 files changed, 94 insertions(+), 4 deletions(-) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 658cc365e7..aa1ffa5e94 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -25,8 +25,8 @@ vhost_user_set_mem_table_withfd(int index, const char *na= me, uint64_t memory_siz vhost_user_postcopy_waker(const char *rb, uint64_t rb_offset) "%s + 0x%"PR= Ix64 vhost_user_postcopy_waker_found(uint64_t client_addr) "0x%"PRIx64 vhost_user_postcopy_waker_nomatch(const char *rb, uint64_t rb_offset) "%s = + 0x%"PRIx64 -vhost_user_read(uint32_t req, uint32_t flags) "req:%d flags:0x%"PRIx32"" -vhost_user_write(uint32_t req, uint32_t flags) "req:%d flags:0x%"PRIx32"" +vhost_user_read(uint32_t req, const char *req_name, uint32_t flags) "req:%= d (%s) flags:0x%"PRIx32"" +vhost_user_write(uint32_t req, const char *req_name, uint32_t flags) "req:= %d (%s) flags:0x%"PRIx32"" vhost_user_create_notifier(int idx, void *n) "idx:%d n:%p" =20 # vhost-vdpa.c diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 23e7c12b16..e45b74eddd 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -119,6 +119,94 @@ typedef enum VhostUserBackendRequest { VHOST_USER_BACKEND_MAX } VhostUserBackendRequest; =20 +static const char *vhost_req_name(VhostUserRequest req) +{ + switch (req) { + case VHOST_USER_NONE: + return "NONE"; + case VHOST_USER_GET_FEATURES: + return "GET_FEATURES"; + case VHOST_USER_SET_FEATURES: + return "SET_FEATURES"; + case VHOST_USER_SET_OWNER: + return "SET_OWNER"; + case VHOST_USER_RESET_OWNER: + return "RESET_OWNER"; + case VHOST_USER_SET_MEM_TABLE: + return "SET_MEM_TABLE"; + case VHOST_USER_SET_LOG_BASE: + return "SET_LOG_BASE"; + case VHOST_USER_SET_LOG_FD: + return "SET_LOG_FD"; + case VHOST_USER_SET_VRING_NUM: + return "SET_VRING_NUM"; + case VHOST_USER_SET_VRING_ADDR: + return "SET_VRING_ADDR"; + case VHOST_USER_SET_VRING_BASE: + return "SET_VRING_BASE"; + case VHOST_USER_GET_VRING_BASE: + return "GET_VRING_BASE"; + case VHOST_USER_SET_VRING_KICK: + return "SET_VRING_KICK"; + case VHOST_USER_SET_VRING_CALL: + return "SET_VRING_CALL"; + case VHOST_USER_SET_VRING_ERR: + return "SET_VRING_ERR"; + case VHOST_USER_GET_PROTOCOL_FEATURES: + return "GET_PROTOCOL_FEATURES"; + case VHOST_USER_SET_PROTOCOL_FEATURES: + return "SET_PROTOCOL_FEATURES"; + case VHOST_USER_GET_QUEUE_NUM: + return "GET_QUEUE_NUM"; + case VHOST_USER_SET_VRING_ENABLE: + return "SET_VRING_ENABLE"; + case VHOST_USER_SEND_RARP: + return "SEND_RARP"; + case VHOST_USER_NET_SET_MTU: + return "NET_SET_MTU"; + case VHOST_USER_SET_BACKEND_REQ_FD: + return "SET_BACKEND_REQ_FD"; + case VHOST_USER_IOTLB_MSG: + return "IOTLB_MSG"; + case VHOST_USER_SET_VRING_ENDIAN: + return "SET_VRING_ENDIAN"; + case VHOST_USER_GET_CONFIG: + return "GET_CONFIG"; + case VHOST_USER_SET_CONFIG: + return "SET_CONFIG"; + case VHOST_USER_CREATE_CRYPTO_SESSION: + return "CREATE_CRYPTO_SESSION"; + case VHOST_USER_CLOSE_CRYPTO_SESSION: + return "CLOSE_CRYPTO_SESSION"; + case VHOST_USER_POSTCOPY_ADVISE: + return "POSTCOPY_ADVISE"; + case VHOST_USER_POSTCOPY_LISTEN: + return "POSTCOPY_LISTEN"; + case VHOST_USER_POSTCOPY_END: + return "POSTCOPY_END"; + case VHOST_USER_GET_INFLIGHT_FD: + return "GET_INFLIGHT_FD"; + case VHOST_USER_SET_INFLIGHT_FD: + return "SET_INFLIGHT_FD"; + case VHOST_USER_GPU_SET_SOCKET: + return "GPU_SET_SOCKET"; + case VHOST_USER_RESET_DEVICE: + return "RESET_DEVICE"; + case VHOST_USER_GET_MAX_MEM_SLOTS: + return "GET_MAX_MEM_SLOTS"; + case VHOST_USER_ADD_MEM_REG: + return "ADD_MEM_REG"; + case VHOST_USER_REM_MEM_REG: + return "REM_MEM_REG"; + case VHOST_USER_SET_STATUS: + return "SET_STATUS"; + case VHOST_USER_GET_STATUS: + return "GET_STATUS"; + default: + return ""; + } +} + typedef struct VhostUserMemoryRegion { uint64_t guest_phys_addr; uint64_t memory_size; @@ -311,7 +399,8 @@ static int vhost_user_read_header(struct vhost_dev *dev= , VhostUserMsg *msg) return -EPROTO; } =20 - trace_vhost_user_read(msg->hdr.request, msg->hdr.flags); + trace_vhost_user_read(msg->hdr.request, + vhost_req_name(msg->hdr.request), msg->hdr.flags= ); =20 return 0; } @@ -431,7 +520,8 @@ static int vhost_user_write(struct vhost_dev *dev, Vhos= tUserMsg *msg, return ret < 0 ? -saved_errno : -EIO; } =20 - trace_vhost_user_write(msg->hdr.request, msg->hdr.flags); + trace_vhost_user_write(msg->hdr.request, vhost_req_name(msg->hdr.reque= st), + msg->hdr.flags); =20 return 0; } --=20 2.48.1