From patchwork Sun Sep 20 16:24:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 11787879 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4599D6CA for ; Sun, 20 Sep 2020 16:26:09 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E90F820771 for ; Sun, 20 Sep 2020 16:26:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Tkb6J7Sk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E90F820771 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:48944 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kK2AC-0008II-3G for patchwork-qemu-devel@patchwork.kernel.org; Sun, 20 Sep 2020 12:26:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35570) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kK292-0006vx-6w for qemu-devel@nongnu.org; Sun, 20 Sep 2020 12:24:56 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:39516) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kK28z-0008Bx-S5 for qemu-devel@nongnu.org; Sun, 20 Sep 2020 12:24:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600619093; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YZEFfMcjsFpATCoQvKm07kaFw97GsvAjiTM0vQgbuYc=; b=Tkb6J7SkIyo2XjTa9wOjKpsct/l4tcvMSgDtDiJcckrQ9YIS9680VvbAMzgazM6W39I2Xp tZL4QbAhJxfPhNaBA/vMmkKUOw3T4cSYjI+FfDkFyAb9GgZnIKmXdEWMhdOYW8Cw4Tldl7 QpYa2Z/t0Si+ikr2cpL+rAMCgNRSI8A= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-36-eVtERlBCPqinIn2Oa4W2Mg-1; Sun, 20 Sep 2020 12:24:51 -0400 X-MC-Unique: eVtERlBCPqinIn2Oa4W2Mg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BCC111005E60 for ; Sun, 20 Sep 2020 16:24:49 +0000 (UTC) Received: from thinkpad.redhat.com (ovpn-113-15.ams2.redhat.com [10.36.113.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id 47E161002C02; Sun, 20 Sep 2020 16:24:47 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH 2/2] vhost-vdpa: add trace-events Date: Sun, 20 Sep 2020 18:24:34 +0200 Message-Id: <20200920162434.868041-3-lvivier@redhat.com> In-Reply-To: <20200920162434.868041-1-lvivier@redhat.com> References: <20200920162434.868041-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lvivier@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/20 11:14:48 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.501, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Jason Wang , Cindy Lu , Stefan Hajnoczi , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Add trace functionis in vhost-vdpa.c. All traces from this file can be enabled with '-trace vhost_vdpa*'. Signed-off-by: Laurent Vivier --- hw/virtio/trace-events | 29 ++++++++++++++ hw/virtio/vhost-vdpa.c | 85 +++++++++++++++++++++++++++++++++++++++--- 2 files changed, 109 insertions(+), 5 deletions(-) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 845200bf109d..700edda8fc70 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -22,6 +22,35 @@ vhost_user_postcopy_waker(const char *rb, uint64_t rb_offset) "%s + 0x%"PRIx64 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-vdpa.c +vhost_vdpa_listener_region_add(void *vdpa, uint64_t iova, uint64_t llend, void *vaddr, bool readonly) "vdpa: %p iova 0x%"PRIx64" llend 0x%"PRIx64" vaddr: %p read-only: %d" +vhost_vdpa_listener_region_del(void *vdpa, uint64_t iova, uint64_t llend) "vdpa: %p iova 0x%"PRIx64" llend 0x%"PRIx64 +vhost_vdpa_add_status(void *dev, uint8_t status) "dev: %p status: 0x%"PRIx8 +vhost_vdpa_init(void *dev, void *vdpa) "dev: %p vdpa: %p" +vhost_vdpa_cleanup(void *dev, void *vdpa) "dev: %p vdpa: %p" +vhost_vdpa_memslots_limit(void *dev, int ret) "dev: %p = 0x%x" +vhost_vdpa_set_mem_table(void *dev, uint32_t nregions, uint32_t padding) "dev: %p nregions: %"PRIu32" padding: %"PRIx32 +vhost_vdpa_dump_regions(void *dev, int i, uint64_t guest_phys_addr, uint64_t memory_size, uint64_t userspace_addr, uint64_t flags_padding) "dev: %p %d: guest_phys_addr: 0x%"PRIx64" memory_size: 0x%"PRIx64" userspace_addr: 0x%"PRIx64" flags_padding: 0x%"PRIx64 +vhost_vdpa_set_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64 +vhost_vdpa_get_device_id(void *dev, uint32_t device_id) "dev: %p device_id %"PRIu32 +vhost_vdpa_reset_device(void *dev, uint8_t status) "dev: %p status: 0x%"PRIx8 +vhost_vdpa_get_vq_index(void *dev, int idx, int vq_idx) "dev: %p idx: %d vq idx: %d" +vhost_vdpa_set_vring_ready(void *dev) "dev: %p" +vhost_vdpa_dump_config(void *dev, const char *line) "dev: %p %s" +vhost_vdpa_set_config(void *dev, uint32_t offset, uint32_t size, uint32_t flags) "dev: %p offset: %"PRIu32" size: %"PRIu32" flags: 0x%"PRIx32 +vhost_vdpa_get_config(void *dev, void *config, uint32_t config_len) "dev: %p config: %p config_len: %"PRIu32 +vhost_vdpa_dev_start(void *dev, bool started) "dev: %p started: %d" +vhost_vdpa_set_log_base(void *dev, uint64_t base, unsigned long long size, int refcnt, int fd, void *log) "dev: %p base: 0x%"PRIx64" size: %llu refcnt: %d fd: %d log: %p" +vhost_vdpa_set_vring_addr(void *dev, unsigned int index, unsigned int flags, uint64_t desc_user_addr, uint64_t used_user_addr, uint64_t avail_user_addr, uint64_t log_guest_addr) "dev: %p index: %u flags: 0x%x desc_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" log_guest_addr: 0x%"PRIx64 +vhost_vdpa_set_vring_num(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u" +vhost_vdpa_set_vring_base(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u" +vhost_vdpa_get_vring_base(void *dev, unsigned int index, unsigned int num) "dev: %p index: %u num: %u" +vhost_vdpa_set_vring_kick(void *dev, unsigned int index, int fd) "dev: %p index: %u fd: %d" +vhost_vdpa_set_vring_call(void *dev, unsigned int index, int fd) "dev: %p index: %u fd: %d" +vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRIx64 +vhost_vdpa_set_owner(void *dev) "dev: %p" +vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64 + # virtio.c virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u" virtqueue_fill(void *vq, const void *elem, unsigned int len, unsigned int idx) "vq %p elem %p len %u idx %u" diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 4580f3efd8a2..ac568bf73349 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -20,6 +20,8 @@ #include "hw/virtio/vhost-vdpa.h" #include "qemu/main-loop.h" #include "cpu.h" +#include "trace.h" +#include "qemu-common.h" static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) { @@ -114,6 +116,9 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener, section->offset_within_region + (iova - section->offset_within_address_space); + trace_vhost_vdpa_listener_region_add(v, iova, int128_get64(llend), + vaddr, section->readonly); + llsize = int128_sub(llend, int128_make64(iova)); ret = vhost_vdpa_dma_map(v, iova, int128_get64(llsize), @@ -170,6 +175,8 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener, llend = int128_add(llend, section->size); llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK)); + trace_vhost_vdpa_listener_region_del(v, iova, int128_get64(llend)); + if (int128_ge(int128_make64(iova), llend)) { return; } @@ -210,6 +217,7 @@ static void vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status) { uint8_t s; + trace_vhost_vdpa_add_status(dev, status); if (vhost_vdpa_call(dev, VHOST_VDPA_GET_STATUS, &s)) { return; } @@ -224,6 +232,7 @@ static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque) struct vhost_vdpa *v; uint64_t features; assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); + trace_vhost_vdpa_init(dev, opaque); v = opaque; dev->opaque = opaque ; @@ -243,6 +252,7 @@ static int vhost_vdpa_cleanup(struct vhost_dev *dev) struct vhost_vdpa *v; assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA); v = dev->opaque; + trace_vhost_vdpa_cleanup(dev, v); memory_listener_unregister(&v->listener); dev->opaque = NULL; @@ -251,13 +261,25 @@ static int vhost_vdpa_cleanup(struct vhost_dev *dev) static int vhost_vdpa_memslots_limit(struct vhost_dev *dev) { + trace_vhost_vdpa_memslots_limit(dev, INT_MAX); return INT_MAX; } static int vhost_vdpa_set_mem_table(struct vhost_dev *dev, struct vhost_memory *mem) { - + trace_vhost_vdpa_set_mem_table(dev, mem->nregions, mem->padding); + if (trace_event_get_state_backends(TRACE_VHOST_VDPA_SET_MEM_TABLE) && + trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_REGIONS)) { + int i; + for (i = 0; i < mem->nregions; i++) { + trace_vhost_vdpa_dump_regions(dev, i, + mem->regions[i].guest_phys_addr, + mem->regions[i].memory_size, + mem->regions[i].userspace_addr, + mem->regions[i].flags_padding); + } + } if (mem->padding) { return -1; } @@ -269,6 +291,7 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev, uint64_t features) { int ret; + trace_vhost_vdpa_set_features(dev, features); ret = vhost_vdpa_call(dev, VHOST_SET_FEATURES, &features); uint8_t status = 0; if (ret) { @@ -283,26 +306,34 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev, int vhost_vdpa_get_device_id(struct vhost_dev *dev, uint32_t *device_id) { - return vhost_vdpa_call(dev, VHOST_VDPA_GET_DEVICE_ID, device_id); + int ret; + ret = vhost_vdpa_call(dev, VHOST_VDPA_GET_DEVICE_ID, device_id); + trace_vhost_vdpa_get_device_id(dev, *device_id); + return ret; } static int vhost_vdpa_reset_device(struct vhost_dev *dev) { + int ret; uint8_t status = 0; - return vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status); + ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_STATUS, &status); + trace_vhost_vdpa_reset_device(dev, status); + return ret; } static int vhost_vdpa_get_vq_index(struct vhost_dev *dev, int idx) { assert(idx >= dev->vq_index && idx < dev->vq_index + dev->nvqs); + trace_vhost_vdpa_get_vq_index(dev, idx, idx - dev->vq_index); return idx - dev->vq_index; } static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev) { int i; + trace_vhost_vdpa_set_vring_ready(dev); for (i = 0; i < dev->nvqs; ++i) { struct vhost_vring_state state = { .index = dev->vq_index + i, @@ -313,6 +344,19 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev) return 0; } +static void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config, + uint32_t config_len) +{ + int b, len; + char line[QEMU_HEXDUMP_LINE_LEN]; + + for (b = 0; b < config_len; b += 16) { + len = config_len - b; + qemu_hexdump_line(line, b, config, len, false); + trace_vhost_vdpa_dump_config(dev, line); + } +} + static int vhost_vdpa_set_config(struct vhost_dev *dev, const uint8_t *data, uint32_t offset, uint32_t size, uint32_t flags) @@ -320,6 +364,7 @@ static int vhost_vdpa_set_config(struct vhost_dev *dev, const uint8_t *data, struct vhost_vdpa_config *config; int ret; unsigned long config_size = offsetof(struct vhost_vdpa_config, buf); + trace_vhost_vdpa_set_config(dev, offset, size, flags); config = g_malloc(size + config_size); if (config == NULL) { return -1; @@ -327,6 +372,10 @@ static int vhost_vdpa_set_config(struct vhost_dev *dev, const uint8_t *data, config->off = offset; config->len = size; memcpy(config->buf, data, size); + if (trace_event_get_state_backends(TRACE_VHOST_VDPA_SET_CONFIG) && + trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_CONFIG)) { + vhost_vdpa_dump_config(dev, data, size); + } ret = vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG, config); g_free(config); return ret; @@ -339,6 +388,7 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev, uint8_t *config, unsigned long config_size = offsetof(struct vhost_vdpa_config, buf); int ret; + trace_vhost_vdpa_get_config(dev, config, config_len); v_config = g_malloc(config_len + config_size); if (v_config == NULL) { return -1; @@ -348,12 +398,17 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev, uint8_t *config, ret = vhost_vdpa_call(dev, VHOST_VDPA_GET_CONFIG, v_config); memcpy(config, v_config->buf, config_len); g_free(v_config); + if (trace_event_get_state_backends(TRACE_VHOST_VDPA_GET_CONFIG) && + trace_event_get_state_backends(TRACE_VHOST_VDPA_DUMP_CONFIG)) { + vhost_vdpa_dump_config(dev, config, config_len); + } return ret; } static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) { struct vhost_vdpa *v = dev->opaque; + trace_vhost_vdpa_dev_start(dev, started); if (started) { uint8_t status = 0; memory_listener_register(&v->listener, &address_space_memory); @@ -375,53 +430,71 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base, struct vhost_log *log) { + trace_vhost_vdpa_set_log_base(dev, base, log->size, log->refcnt, log->fd, log->log); return vhost_vdpa_call(dev, VHOST_SET_LOG_BASE, &base); } static int vhost_vdpa_set_vring_addr(struct vhost_dev *dev, struct vhost_vring_addr *addr) { + trace_vhost_vdpa_set_vring_addr(dev, addr->index, addr->flags, + addr->desc_user_addr, addr->used_user_addr, + addr->avail_user_addr, + addr->log_guest_addr); return vhost_vdpa_call(dev, VHOST_SET_VRING_ADDR, addr); } static int vhost_vdpa_set_vring_num(struct vhost_dev *dev, struct vhost_vring_state *ring) { + trace_vhost_vdpa_set_vring_num(dev, ring->index, ring->num); return vhost_vdpa_call(dev, VHOST_SET_VRING_NUM, ring); } static int vhost_vdpa_set_vring_base(struct vhost_dev *dev, struct vhost_vring_state *ring) { + trace_vhost_vdpa_set_vring_base(dev, ring->index, ring->num); return vhost_vdpa_call(dev, VHOST_SET_VRING_BASE, ring); } static int vhost_vdpa_get_vring_base(struct vhost_dev *dev, struct vhost_vring_state *ring) { - return vhost_vdpa_call(dev, VHOST_GET_VRING_BASE, ring); + int ret; + + ret = vhost_vdpa_call(dev, VHOST_GET_VRING_BASE, ring); + trace_vhost_vdpa_get_vring_base(dev, ring->index, ring->num); + return ret; } static int vhost_vdpa_set_vring_kick(struct vhost_dev *dev, struct vhost_vring_file *file) { + trace_vhost_vdpa_set_vring_kick(dev, file->index, file->fd); return vhost_vdpa_call(dev, VHOST_SET_VRING_KICK, file); } static int vhost_vdpa_set_vring_call(struct vhost_dev *dev, struct vhost_vring_file *file) { + trace_vhost_vdpa_set_vring_call(dev, file->index, file->fd); return vhost_vdpa_call(dev, VHOST_SET_VRING_CALL, file); } static int vhost_vdpa_get_features(struct vhost_dev *dev, uint64_t *features) { - return vhost_vdpa_call(dev, VHOST_GET_FEATURES, features); + int ret; + + ret = vhost_vdpa_call(dev, VHOST_GET_FEATURES, features); + trace_vhost_vdpa_get_features(dev, *features); + return ret; } static int vhost_vdpa_set_owner(struct vhost_dev *dev) { + trace_vhost_vdpa_set_owner(dev); return vhost_vdpa_call(dev, VHOST_SET_OWNER, NULL); } @@ -432,6 +505,8 @@ static int vhost_vdpa_vq_get_addr(struct vhost_dev *dev, addr->desc_user_addr = (uint64_t)(unsigned long)vq->desc_phys; addr->avail_user_addr = (uint64_t)(unsigned long)vq->avail_phys; addr->used_user_addr = (uint64_t)(unsigned long)vq->used_phys; + trace_vhost_vdpa_vq_get_addr(dev, vq, addr->desc_user_addr, + addr->avail_user_addr, addr->used_user_addr); return 0; }