{"id":2225305,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2225305/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-21-vsementsov@yandex-team.ru/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260420200339.708640-21-vsementsov@yandex-team.ru>","list_archive_url":null,"date":"2026-04-20T20:03:35","name":"[v6,20/22] vhost-user: make trace events more readable","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"ccdddf719b4241a0bee3ba82152135d4610f37b3","submitter":{"id":84116,"url":"http://patchwork.ozlabs.org/api/1.2/people/84116/?format=json","name":"Vladimir Sementsov-Ogievskiy","email":"vsementsov@yandex-team.ru"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420200339.708640-21-vsementsov@yandex-team.ru/mbox/","series":[{"id":500672,"url":"http://patchwork.ozlabs.org/api/1.2/series/500672/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500672","date":"2026-04-20T20:03:18","name":"vhost refactoring and fixes","version":6,"mbox":"http://patchwork.ozlabs.org/series/500672/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225305/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225305/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=yandex-team.ru header.i=@yandex-team.ru\n header.a=rsa-sha256 header.s=default header.b=F/2EAcEe;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Mon, 20 Apr 2026 16:04:24 -0400","from mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net\n (mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net\n [IPv6:2a02:6b8:c42:94a9:0:640:a3fa:0])\n by forwardcorp1d.mail.yandex.net (Yandex) with ESMTPS id E24CD806F6;\n Mon, 20 Apr 2026 23:04:21 +0300 (MSK)","from vsementsov-lin (unknown [2a02:6bf:8080:54b::1:34])\n by mail-nwsmtp-smtp-corp-main-68.klg.yp-c.yandex.net (smtpcorp) with ESMTPSA\n id f3YMX10K1Sw0-hIC6kkAs; Mon, 20 Apr 2026 23:04:21 +0300"],"Precedence":"bulk","X-Yandex-Fwd":"1","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru;\n s=default; t=1776715461;\n bh=dU9wUhXlCE3BAJRpC9u2OYkNwoLoZDEIRrhVKwfUBGc=;\n h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From;\n b=F/2EAcEehHuM3UKIc/ynEg+1WVUaWF1xG1NlenS/le+oS2XAk0xdstnjjs/P3kdyx\n Pv/6rnx+WdZX5MmhFfOXb5NzszOiwNVGNYWxSgrviPZIrEjWrOkTOBJ2XPRZV81lwh\n koNmv8NVYZzzyQdNcjRxmjC4sdHg97FxIIgJlzsY=","From":"Vladimir Sementsov-Ogievskiy ","To":"mst@redhat.com","Cc":"sgarzare@redhat.com, raphael@enfabrica.net, qemu-devel@nongnu.org,\n vsementsov@yandex-team.ru, yc-core@yandex-team.ru,\n d-tatianin@yandex-team.ru, Raphael Norwitz ","Subject":"[PATCH v6 20/22] vhost-user: make trace events more readable","Date":"Mon, 20 Apr 2026 23:03:35 +0300","Message-ID":"<20260420200339.708640-21-vsementsov@yandex-team.ru>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260420200339.708640-1-vsementsov@yandex-team.ru>","References":"<20260420200339.708640-1-vsementsov@yandex-team.ru>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=178.154.239.200;\n envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1d.mail.yandex.net","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Signed-off-by: Vladimir Sementsov-Ogievskiy \nReviewed-by: Raphael Norwitz \n---\n hw/virtio/trace-events | 4 +--\n hw/virtio/vhost-user.c | 63 ++++++++++++++++++++++++++++++++++++++++--\n 2 files changed, 63 insertions(+), 4 deletions(-)","diff":"diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events\nindex 658cc365e70..aa1ffa5e949 100644\n--- a/hw/virtio/trace-events\n+++ b/hw/virtio/trace-events\n@@ -25,8 +25,8 @@ vhost_user_set_mem_table_withfd(int index, const char *name, uint64_t memory_siz\n vhost_user_postcopy_waker(const char *rb, uint64_t rb_offset) \"%s + 0x%\"PRIx64\n vhost_user_postcopy_waker_found(uint64_t client_addr) \"0x%\"PRIx64\n vhost_user_postcopy_waker_nomatch(const char *rb, uint64_t rb_offset) \"%s + 0x%\"PRIx64\n-vhost_user_read(uint32_t req, uint32_t flags) \"req:%d flags:0x%\"PRIx32\"\"\n-vhost_user_write(uint32_t req, uint32_t flags) \"req:%d flags:0x%\"PRIx32\"\"\n+vhost_user_read(uint32_t req, const char *req_name, uint32_t flags) \"req:%d (%s) flags:0x%\"PRIx32\"\"\n+vhost_user_write(uint32_t req, const char *req_name, uint32_t flags) \"req:%d (%s) flags:0x%\"PRIx32\"\"\n vhost_user_create_notifier(int idx, void *n) \"idx:%d n:%p\"\n \n # vhost-vdpa.c\ndiff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c\nindex 31eaf65430e..4fb136b7b37 100644\n--- a/hw/virtio/vhost-user.c\n+++ b/hw/virtio/vhost-user.c\n@@ -114,6 +114,63 @@ typedef enum VhostUserBackendRequest {\n VHOST_USER_BACKEND_MAX\n } VhostUserBackendRequest;\n \n+#define VHOST_USER_CASE(name) \\\n+ case VHOST_USER_##name: \\\n+ return #name;\n+\n+static const char *vhost_req_name(VhostUserRequest req)\n+{\n+ switch (req) {\n+ VHOST_USER_CASE(NONE)\n+ VHOST_USER_CASE(GET_FEATURES)\n+ VHOST_USER_CASE(SET_FEATURES)\n+ VHOST_USER_CASE(SET_OWNER)\n+ VHOST_USER_CASE(RESET_OWNER)\n+ VHOST_USER_CASE(SET_MEM_TABLE)\n+ VHOST_USER_CASE(SET_LOG_BASE)\n+ VHOST_USER_CASE(SET_LOG_FD)\n+ VHOST_USER_CASE(SET_VRING_NUM)\n+ VHOST_USER_CASE(SET_VRING_ADDR)\n+ VHOST_USER_CASE(SET_VRING_BASE)\n+ VHOST_USER_CASE(GET_VRING_BASE)\n+ VHOST_USER_CASE(SET_VRING_KICK)\n+ VHOST_USER_CASE(SET_VRING_CALL)\n+ VHOST_USER_CASE(SET_VRING_ERR)\n+ VHOST_USER_CASE(GET_PROTOCOL_FEATURES)\n+ VHOST_USER_CASE(SET_PROTOCOL_FEATURES)\n+ VHOST_USER_CASE(GET_QUEUE_NUM)\n+ VHOST_USER_CASE(SET_VRING_ENABLE)\n+ VHOST_USER_CASE(SEND_RARP)\n+ VHOST_USER_CASE(NET_SET_MTU)\n+ VHOST_USER_CASE(SET_BACKEND_REQ_FD)\n+ VHOST_USER_CASE(IOTLB_MSG)\n+ VHOST_USER_CASE(SET_VRING_ENDIAN)\n+ VHOST_USER_CASE(GET_CONFIG)\n+ VHOST_USER_CASE(SET_CONFIG)\n+ VHOST_USER_CASE(CREATE_CRYPTO_SESSION)\n+ VHOST_USER_CASE(CLOSE_CRYPTO_SESSION)\n+ VHOST_USER_CASE(POSTCOPY_ADVISE)\n+ VHOST_USER_CASE(POSTCOPY_LISTEN)\n+ VHOST_USER_CASE(POSTCOPY_END)\n+ VHOST_USER_CASE(GET_INFLIGHT_FD)\n+ VHOST_USER_CASE(SET_INFLIGHT_FD)\n+ VHOST_USER_CASE(GPU_SET_SOCKET)\n+ VHOST_USER_CASE(RESET_DEVICE)\n+ VHOST_USER_CASE(GET_MAX_MEM_SLOTS)\n+ VHOST_USER_CASE(ADD_MEM_REG)\n+ VHOST_USER_CASE(REM_MEM_REG)\n+ VHOST_USER_CASE(SET_STATUS)\n+ VHOST_USER_CASE(GET_STATUS)\n+ VHOST_USER_CASE(GET_SHARED_OBJECT)\n+ VHOST_USER_CASE(SET_DEVICE_STATE_FD)\n+ VHOST_USER_CASE(CHECK_DEVICE_STATE)\n+ default:\n+ return \"\";\n+ }\n+}\n+\n+#undef VHOST_USER_CASE\n+\n typedef struct VhostUserMemoryRegion {\n uint64_t guest_phys_addr;\n uint64_t memory_size;\n@@ -308,7 +365,8 @@ static int vhost_user_read_header(struct vhost_dev *dev, VhostUserMsg *msg)\n return -EPROTO;\n }\n \n- trace_vhost_user_read(msg->hdr.request, msg->hdr.flags);\n+ trace_vhost_user_read(msg->hdr.request,\n+ vhost_req_name(msg->hdr.request), msg->hdr.flags);\n \n return 0;\n }\n@@ -428,7 +486,8 @@ static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg,\n return ret < 0 ? -saved_errno : -EIO;\n }\n \n- trace_vhost_user_write(msg->hdr.request, msg->hdr.flags);\n+ trace_vhost_user_write(msg->hdr.request, vhost_req_name(msg->hdr.request),\n+ msg->hdr.flags);\n \n return 0;\n }\n","prefixes":["v6","20/22"]}