From patchwork Mon Nov 27 16:33:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 13469943 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E632374D9; Mon, 27 Nov 2023 16:33:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JafuWhO9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2327BC433C8; Mon, 27 Nov 2023 16:33:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701102831; bh=0xwrsVsqBTI3G+nXyOC3xn+wjwZZsJXyDBKhcdM8ygk=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=JafuWhO9elbsU5TZ7bD8awq/xNudOE7+OWZctpq4k+utlLGpJ5g5jsJ+5tqiV11yU XSd8IdCRvC8MLODOaclC+zCxLlqDmprKcPlLfzL18JBCBHSTc33dAnVlPOCjtpKG4Y mJhPZrZEHIvfMwfgmrZ9wliO0dQ2QqwM9X9ND596S7lfUagtSR3zX32WgM4uG1EQH5 VGk7HOrUt41D1Xzxh9qVuRKtFBpyiRXWqsvkwYDUe9rcap9/6c2C/DshNx+37bZ6Z+ ugl/UWtT02TI9RQYCOjG8AwBDOeNSHzLBFG6HzG97yOBAbK6eQCx3GCWaNS3nAM3bR nR70nrTHtpSuw== Subject: [PATCH v1 5/5] svcrdma: Update some svcrdma DMA-related tracepoints From: Chuck Lever To: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org Cc: Chuck Lever , tom@talpey.com Date: Mon, 27 Nov 2023 11:33:50 -0500 Message-ID: <170110283021.49524.4951369507516981349.stgit@bazille.1015granger.net> In-Reply-To: <170110267835.49524.14512830016966273991.stgit@bazille.1015granger.net> References: <170110267835.49524.14512830016966273991.stgit@bazille.1015granger.net> User-Agent: StGit/1.5 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chuck Lever A send/recv_ctxt already records transport-related information in the cq.id, thus there is no need to record the IP addresses of the transport endpoints. Signed-off-by: Chuck Lever --- include/trace/events/rpcrdma.h | 21 +++++++++++---------- net/sunrpc/xprtrdma/svc_rdma_sendto.c | 10 +++++----- 2 files changed, 16 insertions(+), 15 deletions(-) diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index bba758e5fb1d..9a3fc6eb09a8 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -1762,29 +1762,29 @@ DEFINE_ERROR_EVENT(chunk); DECLARE_EVENT_CLASS(svcrdma_dma_map_class, TP_PROTO( - const struct svcxprt_rdma *rdma, + const struct rpc_rdma_cid *cid, u64 dma_addr, u32 length ), - TP_ARGS(rdma, dma_addr, length), + TP_ARGS(cid, dma_addr, length), TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, completion_id) __field(u64, dma_addr) __field(u32, length) - __string(device, rdma->sc_cm_id->device->name) - __string(addr, rdma->sc_xprt.xpt_remotebuf) ), TP_fast_assign( + __entry->cq_id = cid->ci_queue_id; + __entry->completion_id = cid->ci_completion_id; __entry->dma_addr = dma_addr; __entry->length = length; - __assign_str(device, rdma->sc_cm_id->device->name); - __assign_str(addr, rdma->sc_xprt.xpt_remotebuf); ), - TP_printk("addr=%s device=%s dma_addr=%llu length=%u", - __get_str(addr), __get_str(device), + TP_printk("cq.id=%u cid=%d dma_addr=%llu length=%u", + __entry->cq_id, __entry->completion_id, __entry->dma_addr, __entry->length ) ); @@ -1792,11 +1792,12 @@ DECLARE_EVENT_CLASS(svcrdma_dma_map_class, #define DEFINE_SVC_DMA_EVENT(name) \ DEFINE_EVENT(svcrdma_dma_map_class, svcrdma_##name, \ TP_PROTO( \ - const struct svcxprt_rdma *rdma,\ + const struct rpc_rdma_cid *cid, \ u64 dma_addr, \ u32 length \ ), \ - TP_ARGS(rdma, dma_addr, length)) + TP_ARGS(cid, dma_addr, length) \ + ) DEFINE_SVC_DMA_EVENT(dma_map_page); DEFINE_SVC_DMA_EVENT(dma_map_err); diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 2ee691c45b85..9571ed4a74d4 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -237,13 +237,13 @@ static void svc_rdma_send_ctxt_release(struct svcxprt_rdma *rdma, * remains mapped until @ctxt is destroyed. */ for (i = 1; i < ctxt->sc_send_wr.num_sge; i++) { + trace_svcrdma_dma_unmap_page(&ctxt->sc_cid, + ctxt->sc_sges[i].addr, + ctxt->sc_sges[i].length); ib_dma_unmap_page(device, ctxt->sc_sges[i].addr, ctxt->sc_sges[i].length, DMA_TO_DEVICE); - trace_svcrdma_dma_unmap_page(rdma, - ctxt->sc_sges[i].addr, - ctxt->sc_sges[i].length); } llist_add(&ctxt->sc_node, &rdma->sc_send_ctxts); @@ -550,14 +550,14 @@ static int svc_rdma_page_dma_map(void *data, struct page *page, if (ib_dma_mapping_error(dev, dma_addr)) goto out_maperr; - trace_svcrdma_dma_map_page(rdma, dma_addr, len); + trace_svcrdma_dma_map_page(&ctxt->sc_cid, dma_addr, len); ctxt->sc_sges[ctxt->sc_cur_sge_no].addr = dma_addr; ctxt->sc_sges[ctxt->sc_cur_sge_no].length = len; ctxt->sc_send_wr.num_sge++; return 0; out_maperr: - trace_svcrdma_dma_map_err(rdma, dma_addr, len); + trace_svcrdma_dma_map_err(&ctxt->sc_cid, dma_addr, len); return -EIO; }