From patchwork Fri Sep 15 05:27:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 13386375 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 14A2546B1 for ; Fri, 15 Sep 2023 05:27:38 +0000 (UTC) Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27B512716 for ; Thu, 14 Sep 2023 22:27:35 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38F4LOoC000870; Fri, 15 Sep 2023 05:27:32 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=RJarcHTBVXUu0LPgWA/1aHDFfV3Lqlw8imvfTT40sMU=; b=E3HB2W/GxOLhgenNMsxN1HOQmv+bDAuR9UoNLLAbG98XODxv+KG/H/Z5FhF+lXneHo88 +87kH6B2/NHcQbskNNyF4+9659v9ybJKRufLOupwqcL/SbMAzC/SH1YCyvpxIsyTgJyh WVxLibEChxm0uivVV4H1KW1DqZfagzS+PU7lxB62V2Db/PmqkZq3cQ9ivjqd57vKGjMp oZ8SNTeVuALnYFboCrOWfv9t1KmrnFqVPX9GVcfIFkvofEMjdhc+kVJwMLzeQ7YX7deY wbWvZovh1Y5Eui7ip64aiS1b4wyAcvd3fDQrYijfuYLdqiQKZeWDUg9rU+2ElRNySXhE Iw== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t4g5tg48b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 05:27:32 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38F5RVNh019764 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 05:27:31 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 22:27:29 -0700 From: Linyu Yuan To: Thinh Nguyen , Alan Stern , Greg Kroah-Hartman CC: , Linyu Yuan Subject: [PATCH v6 2/3] usb: udc: trace: reduce buffer usage of trace event Date: Fri, 15 Sep 2023 13:27:15 +0800 Message-ID: <20230915052716.28540-3-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-ORIG-GUID: VCgNbootgIoUUd8sYZ56cCeCtLvOJh_L X-Proofpoint-GUID: VCgNbootgIoUUd8sYZ56cCeCtLvOJh_L 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 bulkscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 mlxlogscore=593 priorityscore=1501 adultscore=0 mlxscore=0 spamscore=0 clxscore=1015 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/gadget/udc/trace.h | 114 +++++++++------------------------ 1 file changed, 30 insertions(+), 84 deletions(-) diff --git a/drivers/usb/gadget/udc/trace.h b/drivers/usb/gadget/udc/trace.h index a5ed26fbc2da..d39f0b3c8dac 100644 --- a/drivers/usb/gadget/udc/trace.h +++ b/drivers/usb/gadget/udc/trace.h @@ -25,20 +25,7 @@ DECLARE_EVENT_CLASS(udc_log_gadget, __field(enum usb_device_speed, max_speed) __field(enum usb_device_state, state) __field(unsigned, mA) - __field(unsigned, sg_supported) - __field(unsigned, is_otg) - __field(unsigned, is_a_peripheral) - __field(unsigned, b_hnp_enable) - __field(unsigned, a_hnp_support) - __field(unsigned, hnp_polling_support) - __field(unsigned, host_request_flag) - __field(unsigned, quirk_ep_out_aligned_size) - __field(unsigned, quirk_altset_not_supp) - __field(unsigned, quirk_stall_not_supp) - __field(unsigned, quirk_zlp_not_supp) - __field(unsigned, is_selfpowered) - __field(unsigned, deactivated) - __field(unsigned, connected) + __field(u32, gdw1) __field(int, ret) ), TP_fast_assign( @@ -46,38 +33,12 @@ DECLARE_EVENT_CLASS(udc_log_gadget, __entry->max_speed = g->max_speed; __entry->state = g->state; __entry->mA = g->mA; - __entry->sg_supported = g->sg_supported; - __entry->is_otg = g->is_otg; - __entry->is_a_peripheral = g->is_a_peripheral; - __entry->b_hnp_enable = g->b_hnp_enable; - __entry->a_hnp_support = g->a_hnp_support; - __entry->hnp_polling_support = g->hnp_polling_support; - __entry->host_request_flag = g->host_request_flag; - __entry->quirk_ep_out_aligned_size = g->quirk_ep_out_aligned_size; - __entry->quirk_altset_not_supp = g->quirk_altset_not_supp; - __entry->quirk_stall_not_supp = g->quirk_stall_not_supp; - __entry->quirk_zlp_not_supp = g->quirk_zlp_not_supp; - __entry->is_selfpowered = g->is_selfpowered; - __entry->deactivated = g->deactivated; - __entry->connected = g->connected; + __entry->gdw1 = cpu_to_le32(g->dw1); __entry->ret = ret; ), - TP_printk("speed %d/%d state %d %dmA [%s%s%s%s%s%s%s%s%s%s%s%s%s%s] --> %d", + TP_printk("speed %d/%d state %d %dmA [%s] --> %d", __entry->speed, __entry->max_speed, __entry->state, __entry->mA, - __entry->sg_supported ? "sg:" : "", - __entry->is_otg ? "OTG:" : "", - __entry->is_a_peripheral ? "a_peripheral:" : "", - __entry->b_hnp_enable ? "b_hnp:" : "", - __entry->a_hnp_support ? "a_hnp:" : "", - __entry->hnp_polling_support ? "hnp_poll:" : "", - __entry->host_request_flag ? "hostreq:" : "", - __entry->quirk_ep_out_aligned_size ? "out_aligned:" : "", - __entry->quirk_altset_not_supp ? "no_altset:" : "", - __entry->quirk_stall_not_supp ? "no_stall:" : "", - __entry->quirk_zlp_not_supp ? "no_zlp" : "", - __entry->is_selfpowered ? "self-powered:" : "bus-powered:", - __entry->deactivated ? "deactivated:" : "activated:", - __entry->connected ? "connected" : "disconnected", + __print_flags(__entry->gdw1, ":", USB_GADGET_FLAGS), __entry->ret) ); @@ -145,34 +106,26 @@ DECLARE_EVENT_CLASS(udc_log_ep, TP_PROTO(struct usb_ep *ep, int ret), TP_ARGS(ep, ret), TP_STRUCT__entry( - __string(name, ep->name) - __field(unsigned, maxpacket) - __field(unsigned, maxpacket_limit) - __field(unsigned, max_streams) - __field(unsigned, mult) - __field(unsigned, maxburst) - __field(u8, address) - __field(bool, claimed) - __field(bool, enabled) + __field(u32, edw3) + __field(u32, edw1) + __field(u32, edw2) __field(int, ret) ), TP_fast_assign( - __assign_str(name, ep->name); - __entry->maxpacket = ep->maxpacket; - __entry->maxpacket_limit = ep->maxpacket_limit; - __entry->max_streams = ep->max_streams; - __entry->mult = ep->mult; - __entry->maxburst = ep->maxburst; - __entry->address = ep->address, - __entry->claimed = ep->claimed; - __entry->enabled = ep->enabled; + __entry->edw3 = cpu_to_le32(ep->dw3); + __entry->edw1 = cpu_to_le32(ep->dw1); + __entry->edw2 = cpu_to_le32(ep->dw2); __entry->ret = ret; ), - TP_printk("%s: mps %d/%d streams %d mult %d burst %d addr %02x %s%s --> %d", - __get_str(name), __entry->maxpacket, __entry->maxpacket_limit, - __entry->max_streams, __entry->mult, __entry->maxburst, - __entry->address, __entry->claimed ? "claimed:" : "released:", - __entry->enabled ? "enabled" : "disabled", ret) + TP_printk("%s: mps %d/%d streams %d mult %d burst %d addr %02x %s --> %d", + 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_MULT), + u32_get_bits(__entry->edw2, USB_EP_MAXBURST), + u32_get_bits(__entry->edw3, USB_EP_ADDRESS), + __print_flags(__entry->edw3, ":", USB_EP_FLAGS), ret) ); DEFINE_EVENT(udc_log_ep, usb_ep_set_maxpacket_limit, @@ -219,41 +172,34 @@ DECLARE_EVENT_CLASS(udc_log_req, TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret), TP_ARGS(ep, req, ret), TP_STRUCT__entry( - __string(name, ep->name) + __field(u32, edw3) __field(unsigned, length) __field(unsigned, actual) __field(unsigned, num_sgs) __field(unsigned, num_mapped_sgs) - __field(unsigned, stream_id) - __field(unsigned, no_interrupt) - __field(unsigned, zero) - __field(unsigned, short_not_ok) + __field(u32, rdw1) __field(int, status) __field(int, ret) __field(struct usb_request *, req) ), TP_fast_assign( - __assign_str(name, ep->name); + __entry->edw3 = cpu_to_le32(ep->dw3); __entry->length = req->length; __entry->actual = req->actual; __entry->num_sgs = req->num_sgs; __entry->num_mapped_sgs = req->num_mapped_sgs; - __entry->stream_id = req->stream_id; - __entry->no_interrupt = req->no_interrupt; - __entry->zero = req->zero; - __entry->short_not_ok = req->short_not_ok; + __entry->rdw1 = cpu_to_le32(req->dw1); __entry->status = req->status; __entry->ret = ret; __entry->req = req; ), - TP_printk("%s: req %p length %d/%d sgs %d/%d stream %d %s%s%s status %d --> %d", - __get_str(name),__entry->req, __entry->actual, __entry->length, - __entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id, - __entry->zero ? "Z" : "z", - __entry->short_not_ok ? "S" : "s", - __entry->no_interrupt ? "i" : "I", - __entry->status, __entry->ret - ) + TP_printk("%s: req %p length %d/%d sgs %d/%d stream %d %s status %d --> %d", + usb_gadget_ep_name(__get_buf(USB_EP_MAX_NAME_LEN), __entry->edw3), + __entry->req, __entry->actual, __entry->length, + __entry->num_mapped_sgs, __entry->num_sgs, + u32_get_bits(__entry->rdw1, USB_REQ_STREAM_ID), + __print_flags(__entry->rdw1, ":", USB_REQ_FLAGS), + __entry->status, __entry->ret) ); DEFINE_EVENT(udc_log_req, usb_ep_alloc_request,