From patchwork Sun Mar 3 20:33:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Shaia X-Patchwork-Id: 1050932 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="NtYAiA1o"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44CFNn6plfz9s6w for ; Mon, 4 Mar 2019 07:38:33 +1100 (AEDT) Received: from localhost ([127.0.0.1]:43942 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h0XsV-0007W7-NH for incoming@patchwork.ozlabs.org; Sun, 03 Mar 2019 15:38:31 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h0XoG-0004Z8-8p for qemu-devel@nongnu.org; Sun, 03 Mar 2019 15:34:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h0XoD-0006lk-RF for qemu-devel@nongnu.org; Sun, 03 Mar 2019 15:34:08 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:34136) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h0XoD-0006hD-FO for qemu-devel@nongnu.org; Sun, 03 Mar 2019 15:34:05 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x23KT24p044006; Sun, 3 Mar 2019 20:34:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=I36OVfRYzFqxKwCkrVObf6Vm/3QJ+8VXFKiIcCIBNnc=; b=NtYAiA1oVy3O0ThY7YOCOy/WrPz0jPutgVB5Iw+jIRUHkaNUcQmC++xjUTurJNRtdADf ks4NYJ6p56Uf6kdjYzZ3qxSBfALGk31ojMnu6qDf5GovF3beJE+JFY7Ux7PsOgKrZrSw +/HUbq0V9PDL+r9jUDUNAYceKLUkke//lxyisXxWBejRaV1C2gGuZPZNYmHq1rvCmWE4 bRol/HOzKTnDb7kQpOdh/RQEBMXQ1YjK2e9uPZ1pljAP5gIjMKv2pkv+moj6TvP+/03P Ld+khuQnmO8vl29Z7SmKtYCmS0Tu/Sxv+Go8mGDeNteh110MKfj+5Y1veVfsFSREEjeW EA== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by userp2130.oracle.com with ESMTP id 2qyh8tussk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 03 Mar 2019 20:34:03 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id x23KY2BC022948 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 3 Mar 2019 20:34:03 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x23KY29i007801; Sun, 3 Mar 2019 20:34:02 GMT Received: from localhost.localdomain (/77.138.186.148) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 03 Mar 2019 12:34:02 -0800 From: Yuval Shaia To: dgilbert@redhat.com, yuval.shaia@oracle.com, marcel.apfelbaum@gmail.com, armbru@redhat.com, qemu-devel@nongnu.org Date: Sun, 3 Mar 2019 22:33:40 +0200 Message-Id: <20190303203345.2472-5-yuval.shaia@oracle.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190303203345.2472-1-yuval.shaia@oracle.com> References: <20190303203345.2472-1-yuval.shaia@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9184 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903030160 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.86 Subject: [Qemu-devel] [PATCH v4 4/9] {hmp, hw/pvrdma}: Expose device internals via monitor interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Allow interrogating device internals through HMP interface. The exposed indicators can be used for troubleshooting by developers or sysadmin. There is no need to expose these attributes to a management system (e.x. libvirt) because (1) most of them are not "device-management' related info and (2) there is no guarantee the interface is stable. Signed-off-by: Yuval Shaia Acked-by: Dr. David Alan Gilbert Reviewed-by: Marcel Apfelbaum Acked-by: Markus Armbruster --- hmp-commands-info.hx | 14 ++++++++ hmp.c | 27 +++++++++++++++ hmp.h | 1 + hw/rdma/Makefile.objs | 2 +- hw/rdma/rdma_backend.c | 70 +++++++++++++++++++++++++++++--------- hw/rdma/rdma_hmp.c | 30 ++++++++++++++++ hw/rdma/rdma_rm.c | 60 ++++++++++++++++++++++++++++++++ hw/rdma/rdma_rm.h | 1 + hw/rdma/rdma_rm_defs.h | 27 ++++++++++++++- hw/rdma/vmw/pvrdma.h | 5 +++ hw/rdma/vmw/pvrdma_main.c | 21 ++++++++++++ include/hw/rdma/rdma_hmp.h | 40 ++++++++++++++++++++++ 12 files changed, 279 insertions(+), 19 deletions(-) create mode 100644 hw/rdma/rdma_hmp.c create mode 100644 include/hw/rdma/rdma_hmp.h diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index cbee8b944d..c59444c461 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -202,6 +202,20 @@ STEXI @item info pic @findex info pic Show PIC state. +ETEXI + + { + .name = "rdma", + .args_type = "", + .params = "", + .help = "show RDMA state", + .cmd = hmp_info_rdma, + }, + +STEXI +@item info rdma +@findex info rdma +Show RDMA state. ETEXI { diff --git a/hmp.c b/hmp.c index 1e006eeb49..68511b2441 100644 --- a/hmp.c +++ b/hmp.c @@ -51,6 +51,7 @@ #include "qemu/error-report.h" #include "exec/ramlist.h" #include "hw/intc/intc.h" +#include "hw/rdma/rdma_hmp.h" #include "migration/snapshot.h" #include "migration/misc.h" @@ -968,6 +969,32 @@ void hmp_info_pic(Monitor *mon, const QDict *qdict) hmp_info_pic_foreach, mon); } +static int hmp_info_rdma_foreach(Object *obj, void *opaque) +{ + RdmaStatsProvider *rdma; + RdmaStatsProviderClass *k; + Monitor *mon = opaque; + + if (object_dynamic_cast(obj, TYPE_RDMA_STATS_PROVIDER)) { + rdma = RDMA_STATS_PROVIDER(obj); + k = RDMA_STATS_PROVIDER_GET_CLASS(obj); + if (k->print_statistics) { + k->print_statistics(mon, rdma); + } else { + monitor_printf(mon, "RDMA statistics not available for %s.\n", + object_get_typename(obj)); + } + } + + return 0; +} + +void hmp_info_rdma(Monitor *mon, const QDict *qdict) +{ + object_child_foreach_recursive(object_get_root(), + hmp_info_rdma_foreach, mon); +} + void hmp_info_pci(Monitor *mon, const QDict *qdict) { PciInfoList *info_list, *info; diff --git a/hmp.h b/hmp.h index 5f1addcca2..666949afc3 100644 --- a/hmp.h +++ b/hmp.h @@ -36,6 +36,7 @@ void hmp_info_spice(Monitor *mon, const QDict *qdict); void hmp_info_balloon(Monitor *mon, const QDict *qdict); void hmp_info_irq(Monitor *mon, const QDict *qdict); void hmp_info_pic(Monitor *mon, const QDict *qdict); +void hmp_info_rdma(Monitor *mon, const QDict *qdict); void hmp_info_pci(Monitor *mon, const QDict *qdict); void hmp_info_block_jobs(Monitor *mon, const QDict *qdict); void hmp_info_tpm(Monitor *mon, const QDict *qdict); diff --git a/hw/rdma/Makefile.objs b/hw/rdma/Makefile.objs index bd36cbf51c..dd59faff51 100644 --- a/hw/rdma/Makefile.objs +++ b/hw/rdma/Makefile.objs @@ -1,5 +1,5 @@ ifeq ($(CONFIG_PVRDMA),y) -obj-$(CONFIG_PCI) += rdma_utils.o rdma_backend.o rdma_rm.o +obj-$(CONFIG_PCI) += rdma_utils.o rdma_backend.o rdma_rm.o rdma_hmp.o obj-$(CONFIG_PCI) += vmw/pvrdma_dev_ring.o vmw/pvrdma_cmd.o \ vmw/pvrdma_qp_ops.o vmw/pvrdma_main.o endif diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c index 9679b842d1..bc2fefcf93 100644 --- a/hw/rdma/rdma_backend.c +++ b/hw/rdma/rdma_backend.c @@ -64,9 +64,9 @@ static inline void complete_work(enum ibv_wc_status status, uint32_t vendor_err, comp_handler(ctx, &wc); } -static void rdma_poll_cq(RdmaDeviceResources *rdma_dev_res, struct ibv_cq *ibcq) +static int rdma_poll_cq(RdmaDeviceResources *rdma_dev_res, struct ibv_cq *ibcq) { - int i, ne; + int i, ne, total_ne = 0; BackendCtx *bctx; struct ibv_wc wc[2]; @@ -89,12 +89,18 @@ static void rdma_poll_cq(RdmaDeviceResources *rdma_dev_res, struct ibv_cq *ibcq) rdma_rm_dealloc_cqe_ctx(rdma_dev_res, wc[i].wr_id); g_free(bctx); } + total_ne += ne; } while (ne > 0); + atomic_sub(&rdma_dev_res->stats.missing_cqe, total_ne); qemu_mutex_unlock(&rdma_dev_res->lock); if (ne < 0) { rdma_error_report("ibv_poll_cq fail, rc=%d, errno=%d", ne, errno); } + + rdma_dev_res->stats.completions += total_ne; + + return total_ne; } static void *comp_handler_thread(void *arg) @@ -122,6 +128,9 @@ static void *comp_handler_thread(void *arg) while (backend_dev->comp_thread.run) { do { rc = qemu_poll_ns(pfds, 1, THR_POLL_TO * (int64_t)SCALE_MS); + if (!rc) { + backend_dev->rdma_dev_res->stats.poll_cq_ppoll_to++; + } } while (!rc && backend_dev->comp_thread.run); if (backend_dev->comp_thread.run) { @@ -138,6 +147,7 @@ static void *comp_handler_thread(void *arg) errno); } + backend_dev->rdma_dev_res->stats.poll_cq_from_bk++; rdma_poll_cq(backend_dev->rdma_dev_res, ev_cq); ibv_ack_cq_events(ev_cq, 1); @@ -271,7 +281,13 @@ int rdma_backend_query_port(RdmaBackendDev *backend_dev, void rdma_backend_poll_cq(RdmaDeviceResources *rdma_dev_res, RdmaBackendCQ *cq) { - rdma_poll_cq(rdma_dev_res, cq->ibcq); + int polled; + + rdma_dev_res->stats.poll_cq_from_guest++; + polled = rdma_poll_cq(rdma_dev_res, cq->ibcq); + if (!polled) { + rdma_dev_res->stats.poll_cq_from_guest_empty++; + } } static GHashTable *ah_hash; @@ -333,7 +349,7 @@ static void ah_cache_init(void) static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, struct ibv_sge *dsge, struct ibv_sge *ssge, - uint8_t num_sge) + uint8_t num_sge, uint64_t *total_length) { RdmaRmMR *mr; int ssge_idx; @@ -349,6 +365,8 @@ static int build_host_sge_array(RdmaDeviceResources *rdma_dev_res, dsge->length = ssge[ssge_idx].length; dsge->lkey = rdma_backend_mr_lkey(&mr->backend_mr); + *total_length += dsge->length; + dsge++; } @@ -445,8 +463,10 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, rc = mad_send(backend_dev, sgid_idx, sgid, sge, num_sge); if (rc) { complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_MAD_SEND, ctx); + backend_dev->rdma_dev_res->stats.mad_tx_err++; } else { complete_work(IBV_WC_SUCCESS, 0, ctx); + backend_dev->rdma_dev_res->stats.mad_tx++; } } return; @@ -458,20 +478,21 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, rc = rdma_rm_alloc_cqe_ctx(backend_dev->rdma_dev_res, &bctx_id, bctx); if (unlikely(rc)) { complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_NOMEM, ctx); - goto out_free_bctx; + goto err_free_bctx; } - rc = build_host_sge_array(backend_dev->rdma_dev_res, new_sge, sge, num_sge); + rc = build_host_sge_array(backend_dev->rdma_dev_res, new_sge, sge, num_sge, + &backend_dev->rdma_dev_res->stats.tx_len); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); - goto out_dealloc_cqe_ctx; + goto err_dealloc_cqe_ctx; } if (qp_type == IBV_QPT_UD) { wr.wr.ud.ah = create_ah(backend_dev, qp->ibpd, sgid_idx, dgid); if (!wr.wr.ud.ah) { complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_FAIL_BACKEND, ctx); - goto out_dealloc_cqe_ctx; + goto err_dealloc_cqe_ctx; } wr.wr.ud.remote_qpn = dqpn; wr.wr.ud.remote_qkey = dqkey; @@ -488,15 +509,19 @@ void rdma_backend_post_send(RdmaBackendDev *backend_dev, rdma_error_report("ibv_post_send fail, qpn=0x%x, rc=%d, errno=%d", qp->ibqp->qp_num, rc, errno); complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_FAIL_BACKEND, ctx); - goto out_dealloc_cqe_ctx; + goto err_dealloc_cqe_ctx; } + atomic_inc(&backend_dev->rdma_dev_res->stats.missing_cqe); + backend_dev->rdma_dev_res->stats.tx++; + return; -out_dealloc_cqe_ctx: +err_dealloc_cqe_ctx: + backend_dev->rdma_dev_res->stats.tx_err++; rdma_rm_dealloc_cqe_ctx(backend_dev->rdma_dev_res, bctx_id); -out_free_bctx: +err_free_bctx: g_free(bctx); } @@ -554,6 +579,9 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, rc = save_mad_recv_buffer(backend_dev, sge, num_sge, ctx); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); + rdma_dev_res->stats.mad_rx_bufs_err++; + } else { + rdma_dev_res->stats.mad_rx_bufs++; } } return; @@ -565,13 +593,14 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, rc = rdma_rm_alloc_cqe_ctx(rdma_dev_res, &bctx_id, bctx); if (unlikely(rc)) { complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_NOMEM, ctx); - goto out_free_bctx; + goto err_free_bctx; } - rc = build_host_sge_array(rdma_dev_res, new_sge, sge, num_sge); + rc = build_host_sge_array(rdma_dev_res, new_sge, sge, num_sge, + &backend_dev->rdma_dev_res->stats.rx_bufs_len); if (rc) { complete_work(IBV_WC_GENERAL_ERR, rc, ctx); - goto out_dealloc_cqe_ctx; + goto err_dealloc_cqe_ctx; } wr.num_sge = num_sge; @@ -582,15 +611,19 @@ void rdma_backend_post_recv(RdmaBackendDev *backend_dev, rdma_error_report("ibv_post_recv fail, qpn=0x%x, rc=%d, errno=%d", qp->ibqp->qp_num, rc, errno); complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_FAIL_BACKEND, ctx); - goto out_dealloc_cqe_ctx; + goto err_dealloc_cqe_ctx; } + atomic_inc(&backend_dev->rdma_dev_res->stats.missing_cqe); + rdma_dev_res->stats.rx_bufs++; + return; -out_dealloc_cqe_ctx: +err_dealloc_cqe_ctx: + backend_dev->rdma_dev_res->stats.rx_bufs_err++; rdma_rm_dealloc_cqe_ctx(rdma_dev_res, bctx_id); -out_free_bctx: +err_free_bctx: g_free(bctx); } @@ -929,12 +962,14 @@ static void process_incoming_mad_req(RdmaBackendDev *backend_dev, bctx = rdma_rm_get_cqe_ctx(backend_dev->rdma_dev_res, cqe_ctx_id); if (unlikely(!bctx)) { rdma_error_report("No matching ctx for req %ld", cqe_ctx_id); + backend_dev->rdma_dev_res->stats.mad_rx_err++; return; } mad = rdma_pci_dma_map(backend_dev->dev, bctx->sge.addr, bctx->sge.length); if (!mad || bctx->sge.length < msg->umad_len + MAD_HDR_SIZE) { + backend_dev->rdma_dev_res->stats.mad_rx_err++; complete_work(IBV_WC_GENERAL_ERR, VENDOR_ERR_INV_MAD_BUFF, bctx->up_ctx); } else { @@ -949,6 +984,7 @@ static void process_incoming_mad_req(RdmaBackendDev *backend_dev, wc.byte_len = msg->umad_len; wc.status = IBV_WC_SUCCESS; wc.wc_flags = IBV_WC_GRH; + backend_dev->rdma_dev_res->stats.mad_rx++; comp_handler(bctx->up_ctx, &wc); } diff --git a/hw/rdma/rdma_hmp.c b/hw/rdma/rdma_hmp.c new file mode 100644 index 0000000000..c5814473c5 --- /dev/null +++ b/hw/rdma/rdma_hmp.c @@ -0,0 +1,30 @@ +/* + * RDMA device: Human Monitor interface + * + * Copyright (C) 2018 Oracle + * Copyright (C) 2018 Red Hat Inc + * + * Authors: + * Yuval Shaia + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "hw/rdma/rdma_hmp.h" +#include "qemu/module.h" + +static const TypeInfo rdma_hmp_info = { + .name = TYPE_RDMA_STATS_PROVIDER, + .parent = TYPE_INTERFACE, + .class_size = sizeof(RdmaStatsProviderClass), +}; + +static void rdma_hmp_register_types(void) +{ + type_register_static(&rdma_hmp_info); +} + +type_init(rdma_hmp_register_types) diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c index 14580ca379..e019de1a14 100644 --- a/hw/rdma/rdma_rm.c +++ b/hw/rdma/rdma_rm.c @@ -16,6 +16,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "cpu.h" +#include "monitor/monitor.h" #include "trace.h" #include "rdma_utils.h" @@ -26,6 +27,58 @@ #define PG_DIR_SZ { TARGET_PAGE_SIZE / sizeof(__u64) } #define PG_TBL_SZ { TARGET_PAGE_SIZE / sizeof(__u64) } +void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res) +{ + monitor_printf(mon, "\ttx : %" PRId64 "\n", + dev_res->stats.tx); + monitor_printf(mon, "\ttx_len : %" PRId64 "\n", + dev_res->stats.tx_len); + monitor_printf(mon, "\ttx_err : %" PRId64 "\n", + dev_res->stats.tx_err); + monitor_printf(mon, "\trx_bufs : %" PRId64 "\n", + dev_res->stats.rx_bufs); + monitor_printf(mon, "\trx_bufs_len : %" PRId64 "\n", + dev_res->stats.rx_bufs_len); + monitor_printf(mon, "\trx_bufs_err : %" PRId64 "\n", + dev_res->stats.rx_bufs_err); + monitor_printf(mon, "\tcomps : %" PRId64 "\n", + dev_res->stats.completions); + monitor_printf(mon, "\tmissing_comps : %" PRId32 "\n", + dev_res->stats.missing_cqe); + monitor_printf(mon, "\tpoll_cq (bk) : %" PRId64 "\n", + dev_res->stats.poll_cq_from_bk); + monitor_printf(mon, "\tpoll_cq_ppoll_to : %" PRId64 "\n", + dev_res->stats.poll_cq_ppoll_to); + monitor_printf(mon, "\tpoll_cq (fe) : %" PRId64 "\n", + dev_res->stats.poll_cq_from_guest); + monitor_printf(mon, "\tpoll_cq_empty : %" PRId64 "\n", + dev_res->stats.poll_cq_from_guest_empty); + monitor_printf(mon, "\tmad_tx : %" PRId64 "\n", + dev_res->stats.mad_tx); + monitor_printf(mon, "\tmad_tx_err : %" PRId64 "\n", + dev_res->stats.mad_tx_err); + monitor_printf(mon, "\tmad_rx : %" PRId64 "\n", + dev_res->stats.mad_rx); + monitor_printf(mon, "\tmad_rx_err : %" PRId64 "\n", + dev_res->stats.mad_rx_err); + monitor_printf(mon, "\tmad_rx_bufs : %" PRId64 "\n", + dev_res->stats.mad_rx_bufs); + monitor_printf(mon, "\tmad_rx_bufs_err : %" PRId64 "\n", + dev_res->stats.mad_rx_bufs_err); + monitor_printf(mon, "\tPDs : %" PRId32 "\n", + dev_res->pd_tbl.used); + monitor_printf(mon, "\tMRs : %" PRId32 "\n", + dev_res->mr_tbl.used); + monitor_printf(mon, "\tUCs : %" PRId32 "\n", + dev_res->uc_tbl.used); + monitor_printf(mon, "\tQPs : %" PRId32 "\n", + dev_res->qp_tbl.used); + monitor_printf(mon, "\tCQs : %" PRId32 "\n", + dev_res->cq_tbl.used); + monitor_printf(mon, "\tCEQ_CTXs : %" PRId32 "\n", + dev_res->cqe_ctx_tbl.used); +} + static inline void res_tbl_init(const char *name, RdmaRmResTbl *tbl, uint32_t tbl_sz, uint32_t res_sz) { @@ -37,6 +90,7 @@ static inline void res_tbl_init(const char *name, RdmaRmResTbl *tbl, tbl->bitmap = bitmap_new(tbl_sz); tbl->tbl_sz = tbl_sz; tbl->res_sz = res_sz; + tbl->used = 0; qemu_mutex_init(&tbl->lock); } @@ -76,6 +130,8 @@ static inline void *rdma_res_tbl_alloc(RdmaRmResTbl *tbl, uint32_t *handle) set_bit(*handle, tbl->bitmap); + tbl->used++; + qemu_mutex_unlock(&tbl->lock); memset(tbl->tbl + *handle * tbl->res_sz, 0, tbl->res_sz); @@ -93,6 +149,7 @@ static inline void rdma_res_tbl_dealloc(RdmaRmResTbl *tbl, uint32_t handle) if (handle < tbl->tbl_sz) { clear_bit(handle, tbl->bitmap); + tbl->used--; } qemu_mutex_unlock(&tbl->lock); @@ -620,6 +677,9 @@ int rdma_rm_init(RdmaDeviceResources *dev_res, struct ibv_device_attr *dev_attr, qemu_mutex_init(&dev_res->lock); + memset(&dev_res->stats, 0, sizeof(dev_res->stats)); + atomic_set(&dev_res->stats.missing_cqe, 0); + return 0; } diff --git a/hw/rdma/rdma_rm.h b/hw/rdma/rdma_rm.h index 9ec87d2667..a527d306f6 100644 --- a/hw/rdma/rdma_rm.h +++ b/hw/rdma/rdma_rm.h @@ -20,6 +20,7 @@ #include "rdma_backend_defs.h" #include "rdma_rm_defs.h" +void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res); int rdma_rm_init(RdmaDeviceResources *dev_res, struct ibv_device_attr *dev_attr, Error **errp); void rdma_rm_fini(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev, diff --git a/hw/rdma/rdma_rm_defs.h b/hw/rdma/rdma_rm_defs.h index f0ee1f3072..4b8d704cfe 100644 --- a/hw/rdma/rdma_rm_defs.h +++ b/hw/rdma/rdma_rm_defs.h @@ -34,7 +34,9 @@ #define MAX_QP_INIT_RD_ATOM 16 #define MAX_AH 64 -#define MAX_RM_TBL_NAME 16 +#define MAX_RM_TBL_NAME 16 +#define MAX_CONSEQ_EMPTY_POLL_CQ 4096 /* considered as error above this */ + typedef struct RdmaRmResTbl { char name[MAX_RM_TBL_NAME]; QemuMutex lock; @@ -42,6 +44,7 @@ typedef struct RdmaRmResTbl { size_t tbl_sz; size_t res_sz; void *tbl; + uint32_t used; /* number of used entries in the table */ } RdmaRmResTbl; typedef struct RdmaRmPD { @@ -96,6 +99,27 @@ typedef struct RdmaRmPort { enum ibv_port_state state; } RdmaRmPort; +typedef struct RdmaRmStats { + uint64_t tx; + uint64_t tx_len; + uint64_t tx_err; + uint64_t rx_bufs; + uint64_t rx_bufs_len; + uint64_t rx_bufs_err; + uint64_t completions; + uint64_t mad_tx; + uint64_t mad_tx_err; + uint64_t mad_rx; + uint64_t mad_rx_err; + uint64_t mad_rx_bufs; + uint64_t mad_rx_bufs_err; + uint64_t poll_cq_from_bk; + uint64_t poll_cq_from_guest; + uint64_t poll_cq_from_guest_empty; + uint64_t poll_cq_ppoll_to; + uint32_t missing_cqe; +} RdmaRmStats; + typedef struct RdmaDeviceResources { RdmaRmPort port; RdmaRmResTbl pd_tbl; @@ -106,6 +130,7 @@ typedef struct RdmaDeviceResources { RdmaRmResTbl cqe_ctx_tbl; GHashTable *qp_hash; /* Keeps mapping between real and emulated */ QemuMutex lock; + RdmaRmStats stats; } RdmaDeviceResources; #endif diff --git a/hw/rdma/vmw/pvrdma.h b/hw/rdma/vmw/pvrdma.h index 0879224957..167706ec2c 100644 --- a/hw/rdma/vmw/pvrdma.h +++ b/hw/rdma/vmw/pvrdma.h @@ -70,6 +70,10 @@ typedef struct DSRInfo { PvrdmaRing cq; } DSRInfo; +typedef struct PVRDMADevStats { + uint64_t commands; +} PVRDMADevStats; + typedef struct PVRDMADev { PCIDevice parent_obj; MemoryRegion msix; @@ -89,6 +93,7 @@ typedef struct PVRDMADev { CharBackend mad_chr; VMXNET3State *func0; Notifier shutdown_notifier; + PVRDMADevStats stats; } PVRDMADev; #define PVRDMA_DEV(dev) OBJECT_CHECK(PVRDMADev, (dev), PVRDMA_HW_NAME) diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c index b6061f4b6e..659331ac93 100644 --- a/hw/rdma/vmw/pvrdma_main.c +++ b/hw/rdma/vmw/pvrdma_main.c @@ -25,6 +25,8 @@ #include "cpu.h" #include "trace.h" #include "sysemu/sysemu.h" +#include "monitor/monitor.h" +#include "hw/rdma/rdma_hmp.h" #include "../rdma_rm.h" #include "../rdma_backend.h" @@ -55,6 +57,18 @@ static Property pvrdma_dev_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void pvrdma_print_statistics(Monitor *mon, RdmaStatsProvider *obj) +{ + PVRDMADev *dev = PVRDMA_DEV(obj); + PCIDevice *pdev = PCI_DEVICE(dev); + + monitor_printf(mon, "%s, %x.%x\n", pdev->name, PCI_SLOT(pdev->devfn), + PCI_FUNC(pdev->devfn)); + monitor_printf(mon, "\tcommands : %" PRId64 "\n", + dev->stats.commands); + rdma_dump_device_counters(mon, &dev->rdma_dev_res); +} + static void free_dev_ring(PCIDevice *pci_dev, PvrdmaRing *ring, void *ring_state) { @@ -394,6 +408,7 @@ static void pvrdma_regs_write(void *opaque, hwaddr addr, uint64_t val, if (val == 0) { trace_pvrdma_regs_write(addr, val, "REQUEST", ""); pvrdma_exec_cmd(dev); + dev->stats.commands++; } break; default: @@ -612,6 +627,8 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp) goto out; } + memset(&dev->stats, 0, sizeof(dev->stats)); + dev->shutdown_notifier.notify = pvrdma_shutdown_notifier; qemu_register_shutdown_notifier(&dev->shutdown_notifier); @@ -631,6 +648,7 @@ static void pvrdma_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + RdmaStatsProviderClass *ir = RDMA_STATS_PROVIDER_CLASS(klass); k->realize = pvrdma_realize; k->exit = pvrdma_exit; @@ -642,6 +660,8 @@ static void pvrdma_class_init(ObjectClass *klass, void *data) dc->desc = "RDMA Device"; dc->props = pvrdma_dev_properties; set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); + + ir->print_statistics = pvrdma_print_statistics; } static const TypeInfo pvrdma_info = { @@ -651,6 +671,7 @@ static const TypeInfo pvrdma_info = { .class_init = pvrdma_class_init, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { TYPE_RDMA_STATS_PROVIDER }, { } } }; diff --git a/include/hw/rdma/rdma_hmp.h b/include/hw/rdma/rdma_hmp.h new file mode 100644 index 0000000000..dd23f2bc84 --- /dev/null +++ b/include/hw/rdma/rdma_hmp.h @@ -0,0 +1,40 @@ +/* + * RDMA device: Human Monitor interface + * + * Copyright (C) 2019 Oracle + * Copyright (C) 2019 Red Hat Inc + * + * Authors: + * Yuval Shaia + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef RDMA_HMP_H +#define RDMA_HMP_H + +#include "qom/object.h" + +#define TYPE_RDMA_STATS_PROVIDER "rdma" + +#define RDMA_STATS_PROVIDER_CLASS(klass) \ + OBJECT_CLASS_CHECK(RdmaStatsProviderClass, (klass), \ + TYPE_RDMA_STATS_PROVIDER) +#define RDMA_STATS_PROVIDER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(RdmaStatsProviderClass, (obj), \ + TYPE_RDMA_STATS_PROVIDER) +#define RDMA_STATS_PROVIDER(obj) \ + INTERFACE_CHECK(RdmaStatsProvider, (obj), \ + TYPE_RDMA_STATS_PROVIDER) + +typedef struct RdmaStatsProvider RdmaStatsProvider; + +typedef struct RdmaStatsProviderClass { + InterfaceClass parent; + + void (*print_statistics)(Monitor *mon, RdmaStatsProvider *obj); +} RdmaStatsProviderClass; + +#endif