From patchwork Mon Jul 6 06:12:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Klaus Jensen X-Patchwork-Id: 11644915 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 F146F739 for ; Mon, 6 Jul 2020 06:14:28 +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 D226820724 for ; Mon, 6 Jul 2020 06:14:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D226820724 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:60250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jsKOa-0002vd-3X for patchwork-qemu-devel@patchwork.kernel.org; Mon, 06 Jul 2020 02:14:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60494) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsKNW-0000fu-Hk; Mon, 06 Jul 2020 02:13:23 -0400 Received: from charlie.dont.surf ([128.199.63.193]:57982) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsKNQ-0000uk-Jy; Mon, 06 Jul 2020 02:13:22 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by charlie.dont.surf (Postfix) with ESMTPSA id 9F4C6BF81F; Mon, 6 Jul 2020 06:13:12 +0000 (UTC) From: Klaus Jensen To: qemu-block@nongnu.org Subject: [PATCH v3 03/18] hw/block/nvme: additional tracing Date: Mon, 6 Jul 2020 08:12:48 +0200 Message-Id: <20200706061303.246057-4-its@irrelevant.dk> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200706061303.246057-1-its@irrelevant.dk> References: <20200706061303.246057-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=128.199.63.193; envelope-from=its@irrelevant.dk; helo=charlie.dont.surf X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/06 02:13:11 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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 , Dmitry Fomichev , Klaus Jensen , qemu-devel@nongnu.org, Max Reitz , Klaus Jensen , Keith Busch , Javier Gonzalez , Maxim Levitsky , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Add various additional tracing and streamline nvme_identify_ns and nvme_identify_nslist (they do not need to repeat the command, it is already in the trace name). Signed-off-by: Klaus Jensen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Dmitry Fomichev Reviewed-by: Maxim Levitsky --- hw/block/nvme.c | 33 +++++++++++++++++++++++++++++++++ hw/block/trace-events | 13 +++++++++++-- 2 files changed, 44 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 766cd5b33bb1..09ef54d771c4 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -69,6 +69,20 @@ static void nvme_process_sq(void *opaque); +static uint16_t nvme_cid(NvmeRequest *req) +{ + if (!req) { + return 0xffff; + } + + return le16_to_cpu(req->cqe.cid); +} + +static uint16_t nvme_sqid(NvmeRequest *req) +{ + return le16_to_cpu(req->sq->sqid); +} + static bool nvme_addr_is_cmb(NvmeCtrl *n, hwaddr addr) { hwaddr low = n->ctrl_mem.addr; @@ -331,6 +345,8 @@ static void nvme_post_cqes(void *opaque) static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) { assert(cq->cqid == req->sq->cqid); + trace_pci_nvme_enqueue_req_completion(nvme_cid(req), cq->cqid, + req->status); QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); timer_mod(cq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); @@ -343,6 +359,8 @@ static void nvme_rw_cb(void *opaque, int ret) NvmeCtrl *n = sq->ctrl; NvmeCQueue *cq = n->cq[sq->cqid]; + trace_pci_nvme_rw_cb(nvme_cid(req)); + if (!ret) { block_acct_done(blk_get_stats(n->conf.blk), &req->acct); req->status = NVME_SUCCESS; @@ -378,6 +396,8 @@ static uint16_t nvme_write_zeros(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, uint64_t offset = slba << data_shift; uint32_t count = nlb << data_shift; + trace_pci_nvme_write_zeroes(nvme_cid(req), slba, nlb); + if (unlikely(slba + nlb > ns->id_ns.nsze)) { trace_pci_nvme_err_invalid_lba_range(slba, nlb, ns->id_ns.nsze); return NVME_LBA_RANGE | NVME_DNR; @@ -445,6 +465,8 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) NvmeNamespace *ns; uint32_t nsid = le32_to_cpu(cmd->nsid); + trace_pci_nvme_io_cmd(nvme_cid(req), nsid, nvme_sqid(req), cmd->opcode); + if (unlikely(nsid == 0 || nsid > n->num_namespaces)) { trace_pci_nvme_err_invalid_ns(nsid, n->num_namespaces); return NVME_INVALID_NSID | NVME_DNR; @@ -876,6 +898,8 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) { + trace_pci_nvme_admin_cmd(nvme_cid(req), nvme_sqid(req), cmd->opcode); + switch (cmd->opcode) { case NVME_ADM_CMD_DELETE_SQ: return nvme_del_sq(n, cmd); @@ -1204,6 +1228,8 @@ static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) uint8_t *ptr = (uint8_t *)&n->bar; uint64_t val = 0; + trace_pci_nvme_mmio_read(addr); + if (unlikely(addr & (sizeof(uint32_t) - 1))) { NVME_GUEST_ERR(pci_nvme_ub_mmiord_misaligned32, "MMIO read not 32-bit aligned," @@ -1273,6 +1299,8 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) return; } + trace_pci_nvme_mmio_doorbell_cq(cq->cqid, new_head); + start_sqs = nvme_cq_full(cq) ? 1 : 0; cq->head = new_head; if (start_sqs) { @@ -1311,6 +1339,8 @@ static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) return; } + trace_pci_nvme_mmio_doorbell_sq(sq->sqid, new_tail); + sq->tail = new_tail; timer_mod(sq->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 500); } @@ -1320,6 +1350,9 @@ static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, unsigned size) { NvmeCtrl *n = (NvmeCtrl *)opaque; + + trace_pci_nvme_mmio_write(addr, data); + if (addr < sizeof(n->bar)) { nvme_write_bar(n, addr, data, size); } else if (addr >= 0x1000) { diff --git a/hw/block/trace-events b/hw/block/trace-events index 958fcc5508d1..c40c0d2e4b28 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -33,19 +33,28 @@ pci_nvme_irq_msix(uint32_t vector) "raising MSI-X IRQ vector %u" pci_nvme_irq_pin(void) "pulsing IRQ pin" pci_nvme_irq_masked(void) "IRQ is masked" pci_nvme_dma_read(uint64_t prp1, uint64_t prp2) "DMA read, prp1=0x%"PRIx64" prp2=0x%"PRIx64"" +pci_nvme_io_cmd(uint16_t cid, uint32_t nsid, uint16_t sqid, uint8_t opcode) "cid %"PRIu16" nsid %"PRIu32" sqid %"PRIu16" opc 0x%"PRIx8"" +pci_nvme_admin_cmd(uint16_t cid, uint16_t sqid, uint8_t opcode) "cid %"PRIu16" sqid %"PRIu16" opc 0x%"PRIx8"" pci_nvme_rw(const char *verb, uint32_t blk_count, uint64_t byte_count, uint64_t lba) "%s %"PRIu32" blocks (%"PRIu64" bytes) from LBA %"PRIu64"" +pci_nvme_rw_cb(uint16_t cid) "cid %"PRIu16"" +pci_nvme_write_zeroes(uint16_t cid, uint64_t slba, uint32_t nlb) "cid %"PRIu16" slba %"PRIu64" nlb %"PRIu32"" pci_nvme_create_sq(uint64_t addr, uint16_t sqid, uint16_t cqid, uint16_t qsize, uint16_t qflags) "create submission queue, addr=0x%"PRIx64", sqid=%"PRIu16", cqid=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16"" pci_nvme_create_cq(uint64_t addr, uint16_t cqid, uint16_t vector, uint16_t size, uint16_t qflags, int ien) "create completion queue, addr=0x%"PRIx64", cqid=%"PRIu16", vector=%"PRIu16", qsize=%"PRIu16", qflags=%"PRIu16", ien=%d" pci_nvme_del_sq(uint16_t qid) "deleting submission queue sqid=%"PRIu16"" pci_nvme_del_cq(uint16_t cqid) "deleted completion queue, cqid=%"PRIu16"" pci_nvme_identify_ctrl(void) "identify controller" -pci_nvme_identify_ns(uint16_t ns) "identify namespace, nsid=%"PRIu16"" -pci_nvme_identify_nslist(uint16_t ns) "identify namespace list, nsid=%"PRIu16"" +pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" +pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32"" pci_nvme_getfeat_vwcache(const char* result) "get feature volatile write cache, result=%s" pci_nvme_getfeat_numq(int result) "get feature number of queues, result=%d" pci_nvme_setfeat_numq(int reqcq, int reqsq, int gotcq, int gotsq) "requested cq_count=%d sq_count=%d, responding with cq_count=%d sq_count=%d" pci_nvme_setfeat_timestamp(uint64_t ts) "set feature timestamp = 0x%"PRIx64"" pci_nvme_getfeat_timestamp(uint64_t ts) "get feature timestamp = 0x%"PRIx64"" +pci_nvme_enqueue_req_completion(uint16_t cid, uint16_t cqid, uint16_t status) "cid %"PRIu16" cqid %"PRIu16" status 0x%"PRIx16"" +pci_nvme_mmio_read(uint64_t addr) "addr 0x%"PRIx64"" +pci_nvme_mmio_write(uint64_t addr, uint64_t data) "addr 0x%"PRIx64" data 0x%"PRIx64"" +pci_nvme_mmio_doorbell_cq(uint16_t cqid, uint16_t new_head) "cqid %"PRIu16" new_head %"PRIu16"" +pci_nvme_mmio_doorbell_sq(uint16_t sqid, uint16_t new_tail) "cqid %"PRIu16" new_tail %"PRIu16"" pci_nvme_mmio_intm_set(uint64_t data, uint64_t new_mask) "wrote MMIO, interrupt mask set, data=0x%"PRIx64", new_mask=0x%"PRIx64"" pci_nvme_mmio_intm_clr(uint64_t data, uint64_t new_mask) "wrote MMIO, interrupt mask clr, data=0x%"PRIx64", new_mask=0x%"PRIx64"" pci_nvme_mmio_cfg(uint64_t data) "wrote MMIO, config controller config=0x%"PRIx64""