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[88.18.140.237]) by smtp.gmail.com with ESMTPSA id t7sm3872736wrx.42.2020.10.20.10.25.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2020 10:25:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603214715; 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=MW4hs5DRcbW11wvGN5ELRGGZ1et4xeNoJny0lCvYhm8=; b=iH0aNAQKftPI/hhlLu0dc7sL7ZI060+DM8toYEJtUP04FGRy8v59CQD9T8REJNDueJwoCF lg6a6FBqDFk0uMC4QgtINZw7WNY0cL/ro3FZqh7prLxb/HvuY49nm6ud2oprdyxlQ8uJ48 BCyI3AEHnsrZjcgFNSlK3AcllNHlWpo= X-MC-Unique: hO2dZOvjNsewriAu_GVCFw-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MW4hs5DRcbW11wvGN5ELRGGZ1et4xeNoJny0lCvYhm8=; b=khkBUY6D7LR/xGzecP99SNw/xhZfMSuz2EbG+Ij3s4eALD9aZgTNjVjXD4X7pVB3gY +/oYL5HFsUG4olhFYz6+Rdv/0t00M7St8scMbeEWiWCFlg4S+pYsgXV1a/x+T/ttt2y8 bgg9PY/EJA+jn73IksKA1GtHlp45jv48NftjYlnTsDxe0MABglGMVm5VWPDv+Cx5K6+g vF7FOFiJCRcgm03JyDRYph5xOBZ2SilV7XljIqWHnn0SXrbFBLKJaPELy3o+8HO5Y6ST jL0IuazoFaymvFRCZTdbgOxtrmLXdEGqHEL0AyEsZ+jsZ1VvW7m2aEtiih2yBaY2Trtf iLjA== X-Gm-Message-State: AOAM532JWG0cyoelnPQowG64YuXz3gMFo3eV8ciDcBVWeaU7afaBcgbc 0DfQKMAayrVOmqwJiwc/59FRwV9pHK4d0PKpMgLzbPbo0EJH4Rko4UMxs8t7+LHSf9FkkuedY7o mOSF0wm591+QdCw== X-Received: by 2002:a7b:cb09:: with SMTP id u9mr4007536wmj.109.1603214711415; Tue, 20 Oct 2020 10:25:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyLDDgRWubUohEK8dpkfSBjn0FTFvecDCkyxLXaVOvw6pSUm1kGfCvgn9OlAOMudFPTFLYD+w== X-Received: by 2002:a7b:cb09:: with SMTP id u9mr4007520wmj.109.1603214711246; Tue, 20 Oct 2020 10:25:11 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Kevin Wolf , Alex Williamson , Stefan Hajnoczi , Max Reitz , Fam Zheng , qemu-block@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 08/16] util/vfio-helpers: Improve DMA trace events Date: Tue, 20 Oct 2020 19:24:20 +0200 Message-Id: <20201020172428.2220726-9-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201020172428.2220726-1-philmd@redhat.com> References: <20201020172428.2220726-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) For debugging purpose, trace where DMA regions are mapped. Reviewed-by: Fam Zheng Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Stefan Hajnoczi --- util/vfio-helpers.c | 3 ++- util/trace-events | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index 95e010bed6d..98a377a01a8 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -657,7 +657,7 @@ static int qemu_vfio_do_mapping(QEMUVFIOState *s, void = *host, size_t size, .vaddr =3D (uintptr_t)host, .size =3D size, }; - trace_qemu_vfio_do_mapping(s, host, size, iova); + trace_qemu_vfio_do_mapping(s, host, iova, size); =20 if (ioctl(s->container, VFIO_IOMMU_MAP_DMA, &dma_map)) { error_report("VFIO_MAP_DMA failed: %s", strerror(errno)); @@ -813,6 +813,7 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, siz= e_t size, } } } + trace_qemu_vfio_dma_mapped(s, host, iova0, size); if (iova) { *iova =3D iova0; } diff --git a/util/trace-events b/util/trace-events index 7c92f2f8c1a..c396ef4d622 100644 --- a/util/trace-events +++ b/util/trace-events @@ -82,8 +82,9 @@ qemu_vfio_ram_block_added(void *s, void *p, size_t size) = "s %p host %p size 0x%z qemu_vfio_ram_block_removed(void *s, void *p, size_t size) "s %p host %p s= ize 0x%zx" qemu_vfio_find_mapping(void *s, void *p) "s %p host %p" qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_= t iova) "s %p host %p size 0x%zx index %d iova 0x%"PRIx64 -qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %= p host %p size 0x%zx iova 0x%"PRIx64 -qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64= _t *iova) "s %p host %p size 0x%zx temporary %d iova %p" +qemu_vfio_do_mapping(void *s, void *host, uint64_t iova, size_t size) "s %= p host %p <-> iova 0x%"PRIx64 " size 0x%zx" +qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64= _t *iova) "s %p host %p size 0x%zx temporary %d &iova %p" +qemu_vfio_dma_mapped(void *s, void *host, uint64_t iova, size_t size) "s %= p host %p <-> iova 0x%"PRIx64" size 0x%zx" qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p" qemu_vfio_iommu_iova_pgsizes(uint64_t iova_pgsizes) "iommu page size bitma= sk: 0x%08"PRIx64 qemu_vfio_pci_read_config(void *buf, int ofs, int size, uint64_t region_of= s, uint64_t region_size) "read cfg ptr %p ofs 0x%x size %d (region ofs 0x%"= PRIx64" size %"PRId64")" --=20 2.26.2