From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 083AF1DE8B5; Wed, 29 Oct 2025 00:47:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761698870; cv=none; b=jlkcMVF4sCe9Z12LV5JFd8+5XU28DVpqLBCou/9+DVj8M0/zVhs0uLGsznkyqMCE2M7yCbe2QnifZN1POgY0bhxF87++Ng7Kkps8UcPdGsGhGp8pK+rsrjW30wSl9QKo17MM2FDeKNXTC4hkEnvSutpvCqFtYVhyjsNUqD4zuHA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761698870; c=relaxed/simple; bh=IkeYak5mcXP70SwIyRy5nPN522zv86sbADZMmzZZ/9E=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=nSySx5CRrUAMo420XzJVWhg3PW1wd5KZe6QIxrXRPaqB6mxtiiop/JheyONGLwZj5YUZT7rT7Kgw+HD8AHOMyEdbQg/tFhva/ONGOWenDEVkDWZ3llrOMvuD9oDMGQnapuC2JM5k8ewppsWKEqaic1+CpPgOIb5gKxK6KD3iseU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BCsF2FJp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BCsF2FJp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB221C4CEE7; Wed, 29 Oct 2025 00:47:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761698869; bh=IkeYak5mcXP70SwIyRy5nPN522zv86sbADZMmzZZ/9E=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=BCsF2FJpF2dNhyWfrd0GAzPFW3psAwZwZpGlU5OdrH9JX2Y4nPVC+sb3aABnG1RbD P/RTvWSCcFizQqEb2LEOjmefwFJ7s+aszf8MLhuYRozr8FYPO1m8NzCISVAEklwv4r ei/GYcNM4AChy9wl3ETkJmSauz21Q6qAG2ubo+b9LK7DDx/7kaqzeKuvxVubX0m8Mg 2BD7MPav/VlCcCLVONai+MdJNt/IMfiMbDJTQ3tvlYQmlSQYnntavcqqaPBSnWBb3T jf4pJ8gTCo85w3HAIjLcie4yt9KSk6/0ZMQHt/lhg154hniB0lMNm2mWKx9IsZNm/s eLau4nU1txq7w== Date: Tue, 28 Oct 2025 17:47:49 -0700 Subject: [PATCH 11/31] fuse_trace: implement basic iomap reporting such as FIEMAP and SEEK_{DATA,HOLE} From: "Darrick J. Wong" To: djwong@kernel.org, miklos@szeredi.hu Cc: joannelkoong@gmail.com, bernd@bsbernd.com, neal@gompa.dev, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org Message-ID: <176169810591.1424854.7337339383077106776.stgit@frogsfrogsfrogs> In-Reply-To: <176169810144.1424854.11439355400009006946.stgit@frogsfrogsfrogs> References: <176169810144.1424854.11439355400009006946.stgit@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Darrick J. Wong Add tracepoints for the previous patch. Signed-off-by: "Darrick J. Wong" --- fs/fuse/fuse_trace.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ fs/fuse/file_iomap.c | 4 ++++ 2 files changed, 50 insertions(+) diff --git a/fs/fuse/fuse_trace.h b/fs/fuse/fuse_trace.h index fac981e2a30df0..730ab8bce44450 100644 --- a/fs/fuse/fuse_trace.h +++ b/fs/fuse/fuse_trace.h @@ -532,6 +532,52 @@ DEFINE_EVENT(fuse_inode_state_class, name, \ TP_ARGS(inode)) DEFINE_FUSE_INODE_STATE_EVENT(fuse_iomap_init_inode); DEFINE_FUSE_INODE_STATE_EVENT(fuse_iomap_evict_inode); + +TRACE_EVENT(fuse_iomap_fiemap, + TP_PROTO(const struct inode *inode, u64 start, u64 count, + unsigned int flags), + + TP_ARGS(inode, start, count, flags), + + TP_STRUCT__entry( + FUSE_IO_RANGE_FIELDS() + __field(unsigned int, flags) + ), + + TP_fast_assign( + FUSE_INODE_ASSIGN(inode, fi, fm); + __entry->offset = start; + __entry->length = count; + __entry->flags = flags; + ), + + TP_printk(FUSE_IO_RANGE_FMT("fiemap") " flags 0x%x", + FUSE_IO_RANGE_PRINTK_ARGS(), + __entry->flags) +); + +TRACE_EVENT(fuse_iomap_lseek, + TP_PROTO(const struct inode *inode, loff_t offset, int whence), + + TP_ARGS(inode, offset, whence), + + TP_STRUCT__entry( + FUSE_INODE_FIELDS + __field(loff_t, offset) + __field(int, whence) + ), + + TP_fast_assign( + FUSE_INODE_ASSIGN(inode, fi, fm); + __entry->offset = offset; + __entry->whence = whence; + ), + + TP_printk(FUSE_INODE_FMT " offset 0x%llx whence %d", + FUSE_INODE_PRINTK_ARGS, + __entry->offset, + __entry->whence) +); #endif /* CONFIG_FUSE_IOMAP */ #endif /* _TRACE_FUSE_H */ diff --git a/fs/fuse/file_iomap.c b/fs/fuse/file_iomap.c index ce64e7c4860ef8..c63527cec0448b 100644 --- a/fs/fuse/file_iomap.c +++ b/fs/fuse/file_iomap.c @@ -714,6 +714,8 @@ int fuse_iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (!fuse_allow_current_process(fc)) return -EACCES; + trace_fuse_iomap_fiemap(inode, start, count, fieinfo->fi_flags); + inode_lock_shared(inode); error = iomap_fiemap(inode, fieinfo, start, count, &fuse_iomap_ops); inode_unlock_shared(inode); @@ -741,6 +743,8 @@ loff_t fuse_iomap_lseek(struct file *file, loff_t offset, int whence) if (!fuse_allow_current_process(fc)) return -EACCES; + trace_fuse_iomap_lseek(inode, offset, whence); + switch (whence) { case SEEK_HOLE: offset = iomap_seek_hole(inode, offset, &fuse_iomap_ops);