From patchwork Thu Sep 14 10:03:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 13384981 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 DD24F1CFAE for ; Thu, 14 Sep 2023 10:03:57 +0000 (UTC) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 597161BE3; Thu, 14 Sep 2023 03:03:57 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38E7sNGY007218; Thu, 14 Sep 2023 10:03:46 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=gzgvHVyYZMDdJgUpboU+FPJbVa2j8qL3M3b7RSrxMEU=; b=agCGBk9fxeg/GE8CBSJpqoywuRKDL+4V3EmW5mu+A6eUwIzzUOvtBe14Cu7Ho/evDqbF hClP5kc2TB1Ca/nEzEjJCNuN7OFMUamXgPh/W5/8QnuTPVG8KVBwRljm+IXkl+mzFOZ9 2J37uFkmFeSYdkFXE5Vfo5L3P6e5qCCGRvP30sDyYoCAHFh9rrrd0AyNMzZt173XuTPj OhoqdmBFylbOdhnWd/oCxU2zxmJCdGKihhlQCmf2e6IXxAAxZ2feJDsayP1P0SdTtoYd a7PP+QUpw92v8m0Ky5hEfVBycVsUJ9k+9+rXiXYbrp+DmxJ1WH+RkD/5OSdCnJXlC9kw IA== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t3x6mra6h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 10:03:46 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38EA3j0Q023414 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 10:03:45 GMT Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Thu, 14 Sep 2023 03:03:41 -0700 From: Linyu Yuan To: Thinh Nguyen , Chunfeng Yun , Bin Liu , Peter Chen , Pawel Laszczak , Roger Quadros , Alan Stern , Steven Rostedt , Masami Hiramatsu , "Greg Kroah-Hartman" CC: , , "Linyu Yuan" Subject: [PATCH 7/8] usb: mtu3: trace: reduce buffer usage of trace event Date: Thu, 14 Sep 2023 18:03:01 +0800 Message-ID: <20230914100302.30274-8-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230914100302.30274-1-quic_linyyuan@quicinc.com> References: <20230914100302.30274-1-quic_linyyuan@quicinc.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: cdLlE1kUgsRsa0PoHZKAU3cz9RfNfEAi X-Proofpoint-ORIG-GUID: cdLlE1kUgsRsa0PoHZKAU3cz9RfNfEAi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-14_08,2023-09-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 mlxlogscore=633 malwarescore=0 mlxscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 spamscore=0 adultscore=0 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309140085 Save u32 members into trace event ring buffer and parse it for possible bit information. Use DECLARE_EVENT_CLASS_PRINT_INIT() related macro for output stage. Signed-off-by: Linyu Yuan --- drivers/usb/mtu3/mtu3_trace.h | 76 +++++++++++++++++++++++------------ 1 file changed, 50 insertions(+), 26 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_trace.h b/drivers/usb/mtu3/mtu3_trace.h index 03d2a9bac27e..22b821771c24 100644 --- a/drivers/usb/mtu3/mtu3_trace.h +++ b/drivers/usb/mtu3/mtu3_trace.h @@ -113,35 +113,43 @@ DEFINE_EVENT(mtu3_log_setup, mtu3_handle_setup, TP_ARGS(setup) ); -DECLARE_EVENT_CLASS(mtu3_log_request, +DECLARE_EVENT_CLASS_PRINT_INIT(mtu3_log_request, TP_PROTO(struct mtu3_request *mreq), TP_ARGS(mreq), TP_STRUCT__entry( - __string(name, mreq->mep->name) + __field(u32, edw3) __field(struct mtu3_request *, mreq) __field(struct qmu_gpd *, gpd) __field(unsigned int, actual) __field(unsigned int, length) __field(int, status) - __field(int, zero) - __field(int, no_interrupt) + __field(u32, rdw1) ), TP_fast_assign( - __assign_str(name, mreq->mep->name); + __entry->edw3 = mreq->mep->ep.dw3; __entry->mreq = mreq; __entry->gpd = mreq->gpd; __entry->actual = mreq->request.actual; __entry->length = mreq->request.length; __entry->status = mreq->request.status; - __entry->zero = mreq->request.zero; - __entry->no_interrupt = mreq->request.no_interrupt; + __entry->rdw1 = mreq->request.dw1; ), TP_printk("%s: req %p gpd %p len %u/%u %s%s --> %d", - __get_str(name), __entry->mreq, __entry->gpd, + __s, __entry->mreq, __entry->gpd, __entry->actual, __entry->length, - __entry->zero ? "Z" : "z", - __entry->no_interrupt ? "i" : "I", + tr.zero ? "Z" : "z", + tr.no_interrupt ? "i" : "I", __entry->status + ), + TP_printk_init( + struct usb_ep te; + struct usb_request tr; + char __s[9]; + te.dw3 = __entry->edw3; + tr.dw1 = __entry->rdw1; + snprintf(__s, 9, "ep%d%s", te.address, \ + (te.caps.dir_in && te.caps.dir_out) ? "" : \ + te.caps.dir_in ? "in" : "out"); ) ); @@ -170,11 +178,11 @@ DEFINE_EVENT(mtu3_log_request, mtu3_req_complete, TP_ARGS(req) ); -DECLARE_EVENT_CLASS(mtu3_log_gpd, +DECLARE_EVENT_CLASS_PRINT_INIT(mtu3_log_gpd, TP_PROTO(struct mtu3_ep *mep, struct qmu_gpd *gpd), TP_ARGS(mep, gpd), TP_STRUCT__entry( - __string(name, mep->name) + __field(u32, edw3) __field(struct qmu_gpd *, gpd) __field(u32, dw0) __field(u32, dw1) @@ -182,7 +190,7 @@ DECLARE_EVENT_CLASS(mtu3_log_gpd, __field(u32, dw3) ), TP_fast_assign( - __assign_str(name, mep->name); + __entry->edw3 = mep->ep.dw3; __entry->gpd = gpd; __entry->dw0 = le32_to_cpu(gpd->dw0_info); __entry->dw1 = le32_to_cpu(gpd->next_gpd); @@ -190,9 +198,17 @@ DECLARE_EVENT_CLASS(mtu3_log_gpd, __entry->dw3 = le32_to_cpu(gpd->dw3_info); ), TP_printk("%s: gpd %p - %08x %08x %08x %08x", - __get_str(name), __entry->gpd, + __s, __entry->gpd, __entry->dw0, __entry->dw1, __entry->dw2, __entry->dw3 + ), + TP_printk_init( + struct usb_ep te; + char __s[9]; + te.dw3 = __entry->edw3; + snprintf(__s, 9, "ep%d%s", te.address, \ + (te.caps.dir_in && te.caps.dir_out) ? "" : \ + te.caps.dir_in ? "in" : "out"); ) ); @@ -211,41 +227,49 @@ DEFINE_EVENT(mtu3_log_gpd, mtu3_zlp_exp_gpd, TP_ARGS(mep, gpd) ); -DECLARE_EVENT_CLASS(mtu3_log_ep, +DECLARE_EVENT_CLASS_PRINT_INIT(mtu3_log_ep, TP_PROTO(struct mtu3_ep *mep), TP_ARGS(mep), TP_STRUCT__entry( - __string(name, mep->name) + __field(u32, edw3) __field(unsigned int, type) __field(unsigned int, slot) - __field(unsigned int, maxp) - __field(unsigned int, mult) - __field(unsigned int, maxburst) + __field(u32, edw1) + __field(u32, edw2) __field(unsigned int, flags) __field(unsigned int, direction) __field(struct mtu3_gpd_ring *, gpd_ring) ), TP_fast_assign( - __assign_str(name, mep->name); + __entry->edw3 = mep->ep.dw3; __entry->type = mep->type; __entry->slot = mep->slot; - __entry->maxp = mep->ep.maxpacket; - __entry->mult = mep->ep.mult; - __entry->maxburst = mep->ep.maxburst; + __entry->edw1 = mep->ep.dw1; + __entry->edw2 = mep->ep.dw2; __entry->flags = mep->flags; __entry->direction = mep->is_in; __entry->gpd_ring = &mep->gpd_ring; ), TP_printk("%s: type %s maxp %d slot %d mult %d burst %d ring %p/%pad flags %c:%c%c%c:%c", - __get_str(name), usb_ep_type_string(__entry->type), - __entry->maxp, __entry->slot, - __entry->mult, __entry->maxburst, + __s, usb_ep_type_string(__entry->type), + te.maxpacket, __entry->slot, + te.mult, te.maxburst, __entry->gpd_ring, &__entry->gpd_ring->dma, __entry->flags & MTU3_EP_ENABLED ? 'E' : 'e', __entry->flags & MTU3_EP_STALL ? 'S' : 's', __entry->flags & MTU3_EP_WEDGE ? 'W' : 'w', __entry->flags & MTU3_EP_BUSY ? 'B' : 'b', __entry->direction ? '<' : '>' + ), + TP_printk_init( + struct usb_ep te; + char __s[9]; + te.dw1 = __entry->edw1; + te.dw2 = __entry->edw2; + te.dw3 = __entry->edw3; + snprintf(__s, 9, "ep%d%s", te.address, \ + (te.caps.dir_in && te.caps.dir_out) ? "" : \ + te.caps.dir_in ? "in" : "out"); ) );