From: Dave Wysochanski <dwysocha@redhat.com>
To: Trond Myklebust <trondmy@hammerspace.com>,
Anna Schumaker <anna.schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH 06/11] NFS: Add tracepoints for nfs_readdir_xdr_filler enter and exit
Date: Mon, 2 Nov 2020 08:50:06 -0500 [thread overview]
Message-ID: <1604325011-29427-7-git-send-email-dwysocha@redhat.com> (raw)
In-Reply-To: <1604325011-29427-1-git-send-email-dwysocha@redhat.com>
Add tracepoints for entry and exit to nfs_readdir_xdr_filler.
Note the exit trace event captures the results of over the wire
READDIR operations, regardless of NFS version.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
---
fs/nfs/dir.c | 2 ++
fs/nfs/nfstrace.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e4cd9789ebb5..d1e9ba28c4a0 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -361,6 +361,7 @@ int nfs_readdir_xdr_filler(struct page **pages, nfs_readdir_descriptor_t *desc,
int error;
again:
+ trace_nfs_readdir_xdr_filler_enter(desc);
timestamp = jiffies;
gencount = nfs_inc_attr_generation_counter();
desc->dir_verifier = nfs_save_change_attribute(inode);
@@ -379,6 +380,7 @@ int nfs_readdir_xdr_filler(struct page **pages, nfs_readdir_descriptor_t *desc,
desc->timestamp = timestamp;
desc->gencount = gencount;
error:
+ trace_nfs_readdir_xdr_filler_exit(desc, error);
return error;
}
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 0ed330f323bb..5dbadd2718e3 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -926,6 +926,8 @@
DEFINE_NFS_READDIR_DESCRIPTOR_EVENT_EXIT(nfs_readdir_search_pagecache_exit);
DEFINE_NFS_READDIR_DESCRIPTOR_EVENT(nfs_readdir_search_array_enter);
DEFINE_NFS_READDIR_DESCRIPTOR_EVENT_EXIT(nfs_readdir_search_array_exit);
+DEFINE_NFS_READDIR_DESCRIPTOR_EVENT(nfs_readdir_xdr_filler_enter);
+DEFINE_NFS_READDIR_DESCRIPTOR_EVENT_EXIT(nfs_readdir_xdr_filler_exit);
TRACE_EVENT(nfs_link_enter,
TP_PROTO(
--
1.8.3.1
next prev parent reply other threads:[~2020-11-02 13:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 13:50 [PATCH 00/11] Add NFS readdir tracepoints and improve performance of reading directories Dave Wysochanski
2020-11-02 13:50 ` [PATCH 01/11] NFSv4: Improve nfs4_readdir tracepoint by adding additional fields Dave Wysochanski
2020-11-02 13:50 ` [PATCH 02/11] NFS: Replace dfprintk statements with trace events in nfs_readdir Dave Wysochanski
2020-11-02 13:50 ` [PATCH 03/11] NFS: Move nfs_readdir_descriptor_t into internal header Dave Wysochanski
2020-11-02 13:50 ` [PATCH 04/11] NFS: Add tracepoints for functions involving nfs_readdir_descriptor_t Dave Wysochanski
2020-11-02 17:32 ` kernel test robot
2020-11-02 13:50 ` [PATCH 05/11] NFS: Add tracepoints for opendir, closedir, fsync_dir and llseek_dir Dave Wysochanski
2020-11-02 13:50 ` Dave Wysochanski [this message]
2020-11-02 13:50 ` [PATCH 07/11] NFS: Add tracepoint to entry and exit of nfs_do_filldir Dave Wysochanski
2020-11-02 13:50 ` [PATCH 08/11] NFS: Replace LOOKUPCACHE dfprintk statements with tracepoints Dave Wysochanski
2020-11-02 13:50 ` [PATCH 09/11] NFS: Improve performance of listing directories being modified Dave Wysochanski
2020-11-02 16:21 ` Trond Myklebust
2020-11-02 16:26 ` David Wysochanski
2020-11-02 17:31 ` Trond Myklebust
2020-11-02 19:45 ` David Wysochanski
2020-11-02 21:30 ` Trond Myklebust
2020-11-02 22:05 ` David Wysochanski
2020-11-03 3:38 ` Trond Myklebust
2020-11-03 13:29 ` David Wysochanski
2020-11-03 0:09 ` Frank van der Linden
2020-11-03 17:49 ` David Wysochanski
2020-11-02 13:50 ` [PATCH 10/11] NFS: Add page_index to nfs_readdir enter and exit tracepoints Dave Wysochanski
2020-11-02 13:50 ` [PATCH 11/11] NFS: Bring back nfs_dir_mapping_need_revalidate() in nfs_readdir() Dave Wysochanski
2020-11-02 15:38 ` Mkrtchyan, Tigran
2020-11-02 16:16 ` David Wysochanski
2020-11-02 14:27 ` [PATCH 00/11] Add NFS readdir tracepoints and improve performance of reading directories Chuck Lever
2020-11-02 15:07 ` David Wysochanski
2020-11-02 15:13 ` Chuck Lever
2020-11-02 15:58 ` Mkrtchyan, Tigran
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