From patchwork Thu Feb 25 07:02:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12103495 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56CAFC433E0 for ; Thu, 25 Feb 2021 07:09:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E18964ED3 for ; Thu, 25 Feb 2021 07:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232486AbhBYHJO (ORCPT ); Thu, 25 Feb 2021 02:09:14 -0500 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:53171 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233169AbhBYHHx (ORCPT ); Thu, 25 Feb 2021 02:07:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1614236873; x=1645772873; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=SC0pXVUCDuaPbg+F0lWxh72IEBX9ZhX5hajRxPIkVPU=; b=pAhZPr0Arm7V5sKxUnWamD5hWEWw4DuckhDm2ALM0LeXH2sX3ladTrDR UT6R4q3kf5BefyvKCYNpvTrjoxtCkQfeA7az7iGzZzrQJ2BpUBaM+C2y0 Q7rZ2gBgKF70ZcXtETOvB9WScshgTHCWxb0nPCIhY44K1lhgPhwC32tGf JpP+Zrt+L72wloBahBmXSoDSL1iLh52BvrvhlDA8q9ZBZSgbtzELp6oy/ O2YauWXEWeaSkjlEg/HIWm2Ji7YtXtTXROEsmrLPmCZbG7QPK38H9FF9v KPxW/87v0BxECPeDNb0tqqIOO0UNZ77jLz5s3SbigPGU/9Dc7SZD5BPjQ g==; IronPort-SDR: 4K/2Qj4LqJKPs+drCu7XeWEux3OU1EysjFUzX/bIiMjIODfdNLBMjE/9UoMmgoW7X1kHyqVclH jagyonPEnAU7fKe/06JhuZCThZSbCwFG6Jp8VKFi65zaG0ktHU8kyky4zCsQztnjfauO1zAZTF ydaGjYh2/6vBeRADfu+1CN+lFX1h7FhhM5DBL05OKFE34SlgfSShZ0gL5vzFpqCc6dWSaBD43b sp50W+dhWV+rvFItsLa4dJzmEuPwdSu+AAU4ejAN+xAcqMJRPwlIOUOO2KTj4/oHNtIqUm833q qYU= X-IronPort-AV: E=Sophos;i="5.81,205,1610380800"; d="scan'208";a="160778025" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 25 Feb 2021 15:06:31 +0800 IronPort-SDR: O2EYhLQUJDq6JMLiMDc3GXjzcxEvV8vQn5QAFER9XsLRQgoUkkWth52FKcRaJNfGWGHYSb5UaN SHj8gSb02B6I5qLx0ZMO7sm2jedqI94wYYQrlXAnffUY86yV1FEOtcuwmHbw7GXFH3396Hw+mT D2+YGX1qupZcNe8Y9YnyAdd5yYiYKMhuVEF1Y0tOSko1zgDV6d8uwnEXSQRDe4moJ0tepZvT19 gbdE2al46mtw3y6eWtBrOyMZPTCMBiIA+LdAF+L0lR75TZ/QzR9B9UL/aE/Y865Ys8weUyegcg 6mRXiYQ46nNqUnijvr6bJMMg Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2021 22:49:46 -0800 IronPort-SDR: 5UjRW13wELQaoILvjTuJW1uTQ2Reo7QcTwFg2ymZEjUdyxbflF4kqglXRB7TbrN679yLIo/9eh LtbOIm1qTpRdn4iXSBx9rNuewZfhwkWo3tWtVc/amVN45ND5g5qeuuS36hANy2pefoezaHLEQT ox9ILkFA+vIKM1c0jmUBZgnXs2Dp/DvZRqxGqydoWJhyxwQI06CUJMCm2u8AlI47ihwtGu3RqP 8qwPUdC+DYY8DXJhe1GbM6F++EZP7fspwojPhxAdwa3OtOLVFsi841xwGQb8ii21s4Fq4W/aVp 5A0= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 24 Feb 2021 23:06:30 -0800 From: Chaitanya Kulkarni To: axboe@kernel.dk, viro@zeniv.linux.org.uk, rostedt@goodmis.org, mingo@redhat.com, chaitanya.kulkarni@wdc.com, johannes.thumshirn@wdc.com, damien.lemoal@wdc.com, bvanassche@acm.org, dongli.zhang@oracle.com, aravind.ramesh@wdc.com, joshi.k@samsung.com, niklas.cassel@wdc.com, hch@lst.de, osandov@fb.com, martin.petersen@oracle.com Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [RFC PATCH 27/39] blktrace: add a new formatting routine Date: Wed, 24 Feb 2021 23:02:19 -0800 Message-Id: <20210225070231.21136-28-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210225070231.21136-1-chaitanya.kulkarni@wdc.com> References: <20210225070231.21136-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Signed-off-by: Chaitanya Kulkarni --- kernel/trace/blktrace.c | 57 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 84bee8677162..2241c7304749 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1722,6 +1722,62 @@ static void fill_rwbs(char *rwbs, const struct blk_io_trace *t) rwbs[i] = '\0'; } +static void fill_rwbs_ext(char *rwbs, const struct blk_io_trace_ext *t) +{ + int i = 0; + int tc = t->action >> BLK_TC_SHIFT_EXT; + + if ((t->action & ~__BLK_TN_CGROUP) == BLK_TN_MESSAGE_EXT) { + rwbs[i++] = 'N'; + goto out; + } + + if (tc & BLK_TC_FLUSH) + rwbs[i++] = 'F'; + + if (tc & BLK_TC_DISCARD) + rwbs[i++] = 'D'; + else if ((tc & BLK_TC_WRITE_ZEROES)) { + rwbs[i++] = 'W'; + rwbs[i++] = 'Z'; + } else if ((tc & BLK_TC_ZONE_RESET)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'R'; + } else if ((tc & BLK_TC_ZONE_RESET_ALL)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'R'; + rwbs[i++] = 'A'; + } else if ((tc & BLK_TC_ZONE_APPEND)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'A'; + } else if ((tc & BLK_TC_ZONE_OPEN)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'O'; + } else if ((tc & BLK_TC_ZONE_CLOSE)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'C'; + } else if ((tc & BLK_TC_ZONE_FINISH)) { + rwbs[i++] = 'Z'; + rwbs[i++] = 'F'; + } else if (tc & BLK_TC_WRITE) + rwbs[i++] = 'W'; + else if (t->bytes) + rwbs[i++] = 'R'; + else + rwbs[i++] = 'N'; + + if (tc & BLK_TC_FUA) + rwbs[i++] = 'F'; + if (tc & BLK_TC_AHEAD) + rwbs[i++] = 'A'; + if (tc & BLK_TC_SYNC) + rwbs[i++] = 'S'; + if (tc & BLK_TC_META) + rwbs[i++] = 'M'; +out: + rwbs[i] = '\0'; +} + static inline const struct blk_io_trace *te_blk_io_trace(const struct trace_entry *ent) { @@ -2514,5 +2570,6 @@ void blk_fill_rwbs(char *rwbs, unsigned int op) } EXPORT_SYMBOL_GPL(blk_fill_rwbs); + #endif /* CONFIG_EVENT_TRACING */