From patchwork Mon Apr 29 17:26:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goldwyn Rodrigues X-Patchwork-Id: 10922299 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D5A8D1880 for ; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B93AB2883B for ; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADB662884A; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=unavailable version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5F25D2883B for ; Mon, 29 Apr 2019 17:27:46 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 616292122C30A; Mon, 29 Apr 2019 10:27:46 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=195.135.220.15; helo=mx1.suse.de; envelope-from=rgoldwyn@suse.de; receiver=linux-nvdimm@lists.01.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 3FD9D2121797B for ; Mon, 29 Apr 2019 10:27:44 -0700 (PDT) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id D4DE0AEA1; Mon, 29 Apr 2019 17:27:42 +0000 (UTC) From: Goldwyn Rodrigues To: linux-btrfs@vger.kernel.org Subject: [PATCH 18/18] btrfs: trace functions for btrfs_iomap_begin/end Date: Mon, 29 Apr 2019 12:26:49 -0500 Message-Id: <20190429172649.8288-19-rgoldwyn@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190429172649.8288-1-rgoldwyn@suse.de> References: <20190429172649.8288-1-rgoldwyn@suse.de> X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kilobyte@angband.pl, jack@suse.cz, darrick.wong@oracle.com, nborisov@suse.com, linux-nvdimm@lists.01.org, david@fromorbit.com, dsterba@suse.cz, willy@infradead.org, linux-fsdevel@vger.kernel.org, hch@lst.de, Goldwyn Rodrigues MIME-Version: 1.0 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP From: Goldwyn Rodrigues This is for debug purposes only and can be skipped. Signed-off-by: Goldwyn Rodrigues --- fs/btrfs/dax.c | 3 +++ include/trace/events/btrfs.h | 56 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) diff --git a/fs/btrfs/dax.c b/fs/btrfs/dax.c index 20ec2ec49c68..3fee28f5a199 100644 --- a/fs/btrfs/dax.c +++ b/fs/btrfs/dax.c @@ -104,6 +104,8 @@ static int btrfs_iomap_begin(struct inode *inode, loff_t pos, u64 srcblk = 0; loff_t diff; + trace_btrfs_iomap_begin(inode, pos, length, flags); + em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, pos, length, 0); iomap->type = IOMAP_MAPPED; @@ -164,6 +166,7 @@ static int btrfs_iomap_end(struct inode *inode, loff_t pos, { struct btrfs_iomap *bi = iomap->private; u64 wend; + trace_btrfs_iomap_end(inode, pos, length, written, flags); if (!bi) return 0; diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index ab1cc33adbac..8779e5789a7c 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1850,6 +1850,62 @@ DEFINE_EVENT(btrfs__block_group, btrfs_skip_unused_block_group, TP_ARGS(bg_cache) ); +TRACE_EVENT(btrfs_iomap_begin, + + TP_PROTO(const struct inode *inode, loff_t pos, loff_t length, int flags), + + TP_ARGS(inode, pos, length, flags), + + TP_STRUCT__entry_btrfs( + __field( u64, ino ) + __field( u64, pos ) + __field( u64, length ) + __field( int, flags ) + ), + + TP_fast_assign_btrfs(btrfs_sb(inode->i_sb), + __entry->ino = btrfs_ino(BTRFS_I(inode)); + __entry->pos = pos; + __entry->length = length; + __entry->flags = flags; + ), + + TP_printk_btrfs("ino=%llu pos=%llu len=%llu flags=0x%x", + __entry->ino, + __entry->pos, + __entry->length, + __entry->flags) +); + +TRACE_EVENT(btrfs_iomap_end, + + TP_PROTO(const struct inode *inode, loff_t pos, loff_t length, loff_t written, int flags), + + TP_ARGS(inode, pos, length, written, flags), + + TP_STRUCT__entry_btrfs( + __field( u64, ino ) + __field( u64, pos ) + __field( u64, length ) + __field( u64, written ) + __field( int, flags ) + ), + + TP_fast_assign_btrfs(btrfs_sb(inode->i_sb), + __entry->ino = btrfs_ino(BTRFS_I(inode)); + __entry->pos = pos; + __entry->length = length; + __entry->written = written; + __entry->flags = flags; + ), + + TP_printk_btrfs("ino=%llu pos=%llu len=%llu written=%llu flags=0x%x", + __entry->ino, + __entry->pos, + __entry->length, + __entry->written, + __entry->flags) +); #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */