From patchwork Fri Sep 15 05:27:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 13386377 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 CE273611C for ; Fri, 15 Sep 2023 05:27:46 +0000 (UTC) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06B17272E for ; Thu, 14 Sep 2023 22:27:41 -0700 (PDT) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38F3GFus008126; Fri, 15 Sep 2023 05:27:34 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=bS2z7S/DxBLL58CO6wnpjleM5N4ov9wpCfpeh6rV7Lc=; b=O63akEuL7dKy0p5v211Xxfhw58Ka3I7yIybtEj9cUgG9CgMWGPMiyn0orJLCNNmkDbdt Npbp8hy/pC2fxT3ETesjU0SzIb6mvYhxNr/i5ULg7y3sOr8KahxTqiDgENuIekqKmPhb CmZMHSd3qLEmaWhlm0jC62So/bNELzfF7NQcHuPL/put0Z3woaQ/Ci8YOk7nh2QW0JT3 KaZfV3dEC2wFNyKjnGScWM7aZZ9u8ulvCIKpHV6ExCxlHyU+uk2R/Lj2V3mJo6b3dpSR ye8G899KhWuTLv8PVchHgmBB8u7x/Db/Gkp4FRq4DvhfhxBRDPZsQoBjh8EoCo+nTleE Bw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t4f6v08ay-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 05:27:34 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38F5RX4b029107 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 05:27:33 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 22:27:31 -0700 From: Linyu Yuan To: Thinh Nguyen , Alan Stern , Greg Kroah-Hartman CC: , Linyu Yuan Subject: [PATCH v6 /3] usb: dwc3: trace: reduce buffer usage of trace event Date: Fri, 15 Sep 2023 13:27:16 +0800 Message-ID: <20230915052716.28540-4-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230915052716.28540-1-quic_linyyuan@quicinc.com> References: <20230915052716.28540-1-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: nasanex01a.na.qualcomm.com (10.52.223.231) 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: 27YyJcSj2qyguOSEPS59QV7ri-YimbCn X-Proofpoint-ORIG-GUID: 27YyJcSj2qyguOSEPS59QV7ri-YimbCn 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=2023-09-15_05,2023-09-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 clxscore=1015 mlxlogscore=549 spamscore=0 mlxscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150048 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Save u32 members in __le32 format into trace event ring buffer and parse it for possible bit fields. Use new common trace event macro in gadget.h for output stage. Signed-off-by: Linyu Yuan --- drivers/usb/dwc3/trace.h | 63 ++++++++++++++++++---------------------- 1 file changed, 29 insertions(+), 34 deletions(-) diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h index d2997d17cfbe..8df2d3ec5db6 100644 --- a/drivers/usb/dwc3/trace.h +++ b/drivers/usb/dwc3/trace.h @@ -102,30 +102,25 @@ DECLARE_EVENT_CLASS(dwc3_log_request, TP_PROTO(struct dwc3_request *req), TP_ARGS(req), TP_STRUCT__entry( - __string(name, req->dep->name) + __field(u32, edw3) __field(struct dwc3_request *, req) __field(unsigned int, actual) __field(unsigned int, length) __field(int, status) - __field(int, zero) - __field(int, short_not_ok) - __field(int, no_interrupt) + __field(u32, rdw1) ), TP_fast_assign( - __assign_str(name, req->dep->name); + __entry->edw3 = cpu_to_le32(req->dep->endpoint.dw3); __entry->req = req; __entry->actual = req->request.actual; __entry->length = req->request.length; __entry->status = req->request.status; - __entry->zero = req->request.zero; - __entry->short_not_ok = req->request.short_not_ok; - __entry->no_interrupt = req->request.no_interrupt; + __entry->rdw1 = cpu_to_le32(req->request.dw1); ), - TP_printk("%s: req %p length %u/%u %s%s%s ==> %d", - __get_str(name), __entry->req, __entry->actual, __entry->length, - __entry->zero ? "Z" : "z", - __entry->short_not_ok ? "S" : "s", - __entry->no_interrupt ? "i" : "I", + TP_printk("%s: req %p length %u/%u %s ==> %d", + usb_gadget_ep_name(__get_buf(USB_EP_MAX_NAME_LEN), __entry->edw3), + __entry->req, __entry->actual, __entry->length, + __print_flags(__entry->rdw1, ":", USB_REQ_FLAGS), __entry->status ) ); @@ -185,7 +180,7 @@ DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd, struct dwc3_gadget_ep_cmd_params *params, int cmd_status), TP_ARGS(dep, cmd, params, cmd_status), TP_STRUCT__entry( - __string(name, dep->name) + __field(u32, edw3) __field(unsigned int, cmd) __field(u32, param0) __field(u32, param1) @@ -193,7 +188,7 @@ DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd, __field(int, cmd_status) ), TP_fast_assign( - __assign_str(name, dep->name); + __entry->edw3 = cpu_to_le32(dep->endpoint.dw3); __entry->cmd = cmd; __entry->param0 = params->param0; __entry->param1 = params->param1; @@ -201,7 +196,8 @@ DECLARE_EVENT_CLASS(dwc3_log_gadget_ep_cmd, __entry->cmd_status = cmd_status; ), TP_printk("%s: cmd '%s' [%x] params %08x %08x %08x --> status: %s", - __get_str(name), dwc3_gadget_ep_cmd_string(__entry->cmd), + usb_gadget_ep_name(__get_buf(USB_EP_MAX_NAME_LEN), __entry->edw3), + dwc3_gadget_ep_cmd_string(__entry->cmd), __entry->cmd, __entry->param0, __entry->param1, __entry->param2, dwc3_ep_cmd_status_string(__entry->cmd_status) @@ -218,7 +214,7 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, TP_PROTO(struct dwc3_ep *dep, struct dwc3_trb *trb), TP_ARGS(dep, trb), TP_STRUCT__entry( - __string(name, dep->name) + __field(u32, edw3) __field(struct dwc3_trb *, trb) __field(u32, bpl) __field(u32, bph) @@ -229,7 +225,7 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, __field(u32, dequeue) ), TP_fast_assign( - __assign_str(name, dep->name); + __entry->edw3 = cpu_to_le32(dep->endpoint.dw3); __entry->trb = trb; __entry->bpl = trb->bpl; __entry->bph = trb->bph; @@ -240,7 +236,8 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, __entry->dequeue = dep->trb_dequeue; ), TP_printk("%s: trb %p (E%d:D%d) buf %08x%08x size %s%d ctrl %08x sofn %08x (%c%c%c%c:%c%c:%s)", - __get_str(name), __entry->trb, __entry->enqueue, + usb_gadget_ep_name(__get_buf(USB_EP_MAX_NAME_LEN), __entry->edw3), + __entry->trb, __entry->enqueue, __entry->dequeue, __entry->bph, __entry->bpl, ({char *s; int pcm = ((__entry->size >> 24) & 3) + 1; @@ -272,7 +269,7 @@ DECLARE_EVENT_CLASS(dwc3_log_trb, __entry->ctrl & DWC3_TRB_CTRL_CSP ? 'S' : 's', __entry->ctrl & DWC3_TRB_CTRL_ISP_IMI ? 'S' : 's', __entry->ctrl & DWC3_TRB_CTRL_IOC ? 'C' : 'c', - dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl)) + dwc3_trb_type_string(DWC3_TRBCTL_TYPE(__entry->ctrl)) ) ); @@ -290,32 +287,30 @@ DECLARE_EVENT_CLASS(dwc3_log_ep, TP_PROTO(struct dwc3_ep *dep), TP_ARGS(dep), TP_STRUCT__entry( - __string(name, dep->name) - __field(unsigned int, maxpacket) - __field(unsigned int, maxpacket_limit) - __field(unsigned int, max_streams) - __field(unsigned int, maxburst) + __field(u32, edw3) + __field(u32, edw1) + __field(u32, edw2) __field(unsigned int, flags) __field(unsigned int, direction) __field(u8, trb_enqueue) __field(u8, trb_dequeue) ), TP_fast_assign( - __assign_str(name, dep->name); - __entry->maxpacket = dep->endpoint.maxpacket; - __entry->maxpacket_limit = dep->endpoint.maxpacket_limit; - __entry->max_streams = dep->endpoint.max_streams; - __entry->maxburst = dep->endpoint.maxburst; + __entry->edw3 = cpu_to_le32(dep->endpoint.dw3); + __entry->edw1 = cpu_to_le32(dep->endpoint.dw1); + __entry->edw2 = cpu_to_le32(dep->endpoint.dw2); __entry->flags = dep->flags; __entry->direction = dep->direction; __entry->trb_enqueue = dep->trb_enqueue; __entry->trb_dequeue = dep->trb_dequeue; ), TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c", - __get_str(name), __entry->maxpacket, - __entry->maxpacket_limit, __entry->max_streams, - __entry->maxburst, __entry->trb_enqueue, - __entry->trb_dequeue, + usb_gadget_ep_name(__get_buf(USB_EP_MAX_NAME_LEN), __entry->edw3), + u32_get_bits(__entry->edw1, USB_EP_MAXPACKET), + u32_get_bits(__entry->edw1, USB_EP_MAXPACKET_LIMIT), + u32_get_bits(__entry->edw2, USB_EP_MAX_STREAMS), + u32_get_bits(__entry->edw2, USB_EP_MAXBURST), + __entry->trb_enqueue, __entry->trb_dequeue, __entry->flags & DWC3_EP_ENABLED ? 'E' : 'e', __entry->flags & DWC3_EP_STALL ? 'S' : 's', __entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',