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[83.42.66.234]) by smtp.gmail.com with ESMTPSA id o129sm1283042wmb.25.2020.11.02.18.08.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2020 18:08:09 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH-for-5.2 v3 6/7] util/vfio-helpers: Convert vfio_dump_mapping to trace events Date: Tue, 3 Nov 2020 03:07:32 +0100 Message-Id: <20201103020733.2303148-7-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201103020733.2303148-1-philmd@redhat.com> References: <20201103020733.2303148-1-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: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/02 20:52:36 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, DKIMWL_WL_HIGH=-0.001, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Eric Auger , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The QEMU_VFIO_DEBUG definition is only modifiable at build-time. Trace events can be enabled at run-time. As we prefer the latter, convert qemu_vfio_dump_mappings() to use trace events instead of fprintf(). Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Signed-off-by: Philippe Mathieu-Daudé --- util/vfio-helpers.c | 19 ++++--------------- util/trace-events | 1 + 2 files changed, 5 insertions(+), 15 deletions(-) diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c index c24a510df82..73f7bfa7540 100644 --- a/util/vfio-helpers.c +++ b/util/vfio-helpers.c @@ -521,23 +521,12 @@ QEMUVFIOState *qemu_vfio_open_pci(const char *device, Error **errp) return s; } -static void qemu_vfio_dump_mapping(IOVAMapping *m) -{ - if (QEMU_VFIO_DEBUG) { - printf(" vfio mapping %p %" PRIx64 " to %" PRIx64 "\n", m->host, - (uint64_t)m->size, (uint64_t)m->iova); - } -} - static void qemu_vfio_dump_mappings(QEMUVFIOState *s) { - int i; - - if (QEMU_VFIO_DEBUG) { - printf("vfio mappings\n"); - for (i = 0; i < s->nr_mappings; ++i) { - qemu_vfio_dump_mapping(&s->mappings[i]); - } + for (int i = 0; i < s->nr_mappings; ++i) { + trace_qemu_vfio_dump_mapping(s->mappings[i].host, + s->mappings[i].iova, + s->mappings[i].size); } } diff --git a/util/trace-events b/util/trace-events index 08239941cb2..61e0d4bcdfe 100644 --- a/util/trace-events +++ b/util/trace-events @@ -80,6 +80,7 @@ qemu_mutex_unlock(void *mutex, const char *file, const int line) "released mutex qemu_vfio_dma_reset_temporary(void *s) "s %p" qemu_vfio_ram_block_added(void *s, void *p, size_t size) "s %p host %p size 0x%zx" qemu_vfio_ram_block_removed(void *s, void *p, size_t size) "s %p host %p size 0x%zx" +qemu_vfio_dump_mapping(void *host, uint64_t iova, size_t size) "vfio mapping %p to iova 0x%08" PRIx64 " size 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, uint64_t iova, size_t size) "s %p host %p <-> iova 0x%"PRIx64 " size 0x%zx" -- 2.26.2