From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C22E8C433FE for ; Thu, 21 Apr 2022 09:17:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387452AbiDUJT6 (ORCPT ); Thu, 21 Apr 2022 05:19:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387543AbiDUJTt (ORCPT ); Thu, 21 Apr 2022 05:19:49 -0400 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7DEB25EAE for ; Thu, 21 Apr 2022 02:16:57 -0700 (PDT) Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.1.2/8.16.1.2) with ESMTP id 23L0VLYx019884 for ; Thu, 21 Apr 2022 02:16:56 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=mjM0wwI9pOqSPCCC1KVwggul7a+EfCAqQSAjGkjuJtg=; b=Sx64OVf8J+WH+y0eMsjwIVf5rQ0Q4rYMvJdDeS+OFZfhyJte/5yXAf0oPhy5gqetuKol WqmEp/iVaO4YgLwHD4K3vsqLwM0LtCB8i66aIxch6f46po9+6a02CScUq5nMLsF+Sxv6 ELgjr9IBarWVwaNykaJbdM/CwJ3VyB6K8+A= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net (PPS) with ESMTPS id 3fjvsvstve-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 21 Apr 2022 02:16:56 -0700 Received: from twshared8053.07.ash9.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:11d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 21 Apr 2022 02:16:54 -0700 Received: by devbig039.lla1.facebook.com (Postfix, from userid 572232) id DF8B97CA75FA; Thu, 21 Apr 2022 02:14:01 -0700 (PDT) From: Dylan Yudaken To: CC: , , , , Dylan Yudaken Subject: [PATCH 1/6] io_uring: add trace support for CQE overflow Date: Thu, 21 Apr 2022 02:13:40 -0700 Message-ID: <20220421091345.2115755-2-dylany@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220421091345.2115755-1-dylany@fb.com> References: <20220421091345.2115755-1-dylany@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: 9cWwF9P1Gcc8bkGAnv6O4w7yJUgfZV3Q X-Proofpoint-ORIG-GUID: 9cWwF9P1Gcc8bkGAnv6O4w7yJUgfZV3Q X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-20_06,2022-04-20_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Add trace function for overflowing CQ ring. Signed-off-by: Dylan Yudaken --- include/trace/events/io_uring.h | 42 ++++++++++++++++++++++++++++++++- 1 file changed, 41 insertions(+), 1 deletion(-) diff --git a/include/trace/events/io_uring.h b/include/trace/events/io_ur= ing.h index cddf5b6fbeb4..42534ec2ab9d 100644 --- a/include/trace/events/io_uring.h +++ b/include/trace/events/io_uring.h @@ -530,7 +530,7 @@ TRACE_EVENT(io_uring_req_failed, ), =20 TP_printk("ring %p, req %p, user_data 0x%llx, " - "op %d, flags 0x%x, prio=3D%d, off=3D%llu, addr=3D%llu, " + "op %d, flags 0x%x, prio=3D%d, off=3D%llu, addr=3D%llu, " "len=3D%u, rw_flags=3D0x%x, buf_index=3D%d, " "personality=3D%d, file_index=3D%d, pad=3D0x%llx/%llx, error=3D%d", __entry->ctx, __entry->req, __entry->user_data, @@ -543,6 +543,46 @@ TRACE_EVENT(io_uring_req_failed, (unsigned long long) __entry->pad2, __entry->error) ); =20 + +/* + * io_uring_cqe_overflow - a CQE overflowed + * + * @ctx: pointer to a ring context structure + * @user_data: user data associated with the request + * @res: CQE result + * @cflags: CQE flags + * @ocqe: pointer to the overflow cqe (if available) + * + */ +TRACE_EVENT(io_uring_cqe_overflow, + + TP_PROTO(void *ctx, unsigned long long user_data, s32 res, u32 cflags, + void *ocqe), + + TP_ARGS(ctx, user_data, res, cflags, ocqe), + + TP_STRUCT__entry ( + __field( void *, ctx ) + __field( unsigned long long, user_data ) + __field( s32, res ) + __field( u32, cflags ) + __field( void *, ocqe ) + ), + + TP_fast_assign( + __entry->ctx =3D ctx; + __entry->user_data =3D user_data; + __entry->res =3D res; + __entry->cflags =3D cflags; + __entry->ocqe =3D ocqe; + ), + + TP_printk("ring %p, user_data 0x%llx, res %d, flags %x, " + "overflow_cqe %p", + __entry->ctx, __entry->user_data, __entry->res, + __entry->cflags, __entry->ocqe) +); + #endif /* _TRACE_IO_URING_H */ =20 /* This part must be outside protection */ --=20 2.30.2