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@xxxxxxxxxx> --- 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
