From: Olga Kornievskaia <kolga@xxxxxxxxxx>
Add a tracepoint to the COPY operation.
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
---
fs/nfs/nfs42proc.c | 1 +
fs/nfs/nfs4trace.h | 107 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 108 insertions(+)
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index c36824888601..a072cdaf7bdc 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -367,6 +367,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
status = nfs4_call_sync(dst_server->client, dst_server, &msg,
&args->seq_args, &res->seq_res, 0);
+ trace_nfs4_copy(src_inode, dst_inode, args, res, nss, status);
if (status == -ENOTSUPP)
dst_server->caps &= ~NFS_CAP_COPY;
if (status)
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index a88464238b88..bdccaec504d8 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -2183,6 +2183,113 @@ DECLARE_EVENT_CLASS(nfs4_sparse_event,
TP_ARGS(inode, args, error))
DEFINE_NFS4_SPARSE_EVENT(nfs4_fallocate);
DEFINE_NFS4_SPARSE_EVENT(nfs4_deallocate);
+
+TRACE_EVENT(nfs4_copy,
+ TP_PROTO(
+ const struct inode *src_inode,
+ const struct inode *dst_inode,
+ const struct nfs42_copy_args *args,
+ const struct nfs42_copy_res *res,
+ const struct nl4_server *nss,
+ int error
+ ),
+
+ TP_ARGS(src_inode, dst_inode, args, res, nss, error),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, error)
+ __field(u32, src_fhandle)
+ __field(u32, src_fileid)
+ __field(u32, dst_fhandle)
+ __field(u32, dst_fileid)
+ __field(dev_t, src_dev)
+ __field(dev_t, dst_dev)
+ __field(int, src_stateid_seq)
+ __field(u32, src_stateid_hash)
+ __field(int, dst_stateid_seq)
+ __field(u32, dst_stateid_hash)
+ __field(loff_t, src_offset)
+ __field(loff_t, dst_offset)
+ __field(bool, sync)
+ __field(loff_t, len)
+ __field(int, res_stateid_seq)
+ __field(u32, res_stateid_hash)
+ __field(loff_t, res_count)
+ __field(bool, res_sync)
+ __field(bool, res_cons)
+ __field(bool, intra)
+ ),
+
+ TP_fast_assign(
+ const struct nfs_inode *src_nfsi = NFS_I(src_inode);
+ const struct nfs_inode *dst_nfsi = NFS_I(dst_inode);
+
+ __entry->src_fileid = src_nfsi->fileid;
+ __entry->src_dev = src_inode->i_sb->s_dev;
+ __entry->src_fhandle = nfs_fhandle_hash(args->src_fh);
+ __entry->src_offset = args->src_pos;
+ __entry->dst_fileid = dst_nfsi->fileid;
+ __entry->dst_dev = dst_inode->i_sb->s_dev;
+ __entry->dst_fhandle = nfs_fhandle_hash(args->dst_fh);
+ __entry->dst_offset = args->dst_pos;
+ __entry->len = args->count;
+ __entry->sync = args->sync;
+ __entry->src_stateid_seq =
+ be32_to_cpu(args->src_stateid.seqid);
+ __entry->src_stateid_hash =
+ nfs_stateid_hash(&args->src_stateid);
+ __entry->dst_stateid_seq =
+ be32_to_cpu(args->dst_stateid.seqid);
+ __entry->dst_stateid_hash =
+ nfs_stateid_hash(&args->dst_stateid);
+ __entry->intra = nss ? 0 : 1;
+ if (error) {
+ __entry->error = -error;
+ __entry->res_stateid_seq = 0;
+ __entry->res_stateid_hash = 0;
+ __entry->res_count = 0;
+ __entry->res_sync = 0;
+ __entry->res_cons = 0;
+ } else {
+ __entry->error = 0;
+ __entry->res_stateid_seq =
+ be32_to_cpu(res->write_res.stateid.seqid);
+ __entry->res_stateid_hash =
+ nfs_stateid_hash(&res->write_res.stateid);
+ __entry->res_count = res->write_res.count;
+ __entry->res_sync = res->synchronous;
+ __entry->res_cons = res->consecutive;
+ }
+ ),
+
+ TP_printk(
+ "error=%ld (%s) intra=%d src_fileid=%02x:%02x:%llu "
+ "src_fhandle=0x%08x dst_fileid=%02x:%02x:%llu "
+ "dst_fhandle=0x%08x src_stateid=%d:0x%08x "
+ "dst_stateid=%d:0x%08x src_offset=%llu dst_offset=%llu "
+ "len=%llu sync=%d cb_stateid=%d:0x%08x res_sync=%d "
+ "res_cons=%d res_count=%llu",
+ -__entry->error,
+ show_nfs4_status(__entry->error),
+ __entry->intra,
+ MAJOR(__entry->src_dev), MINOR(__entry->src_dev),
+ (unsigned long long)__entry->src_fileid,
+ __entry->src_fhandle,
+ MAJOR(__entry->dst_dev), MINOR(__entry->dst_dev),
+ (unsigned long long)__entry->dst_fileid,
+ __entry->dst_fhandle,
+ __entry->src_stateid_seq, __entry->src_stateid_hash,
+ __entry->dst_stateid_seq, __entry->dst_stateid_hash,
+ __entry->src_offset,
+ __entry->dst_offset,
+ __entry->len,
+ __entry->sync,
+ __entry->res_stateid_seq, __entry->res_stateid_hash,
+ __entry->res_sync,
+ __entry->res_cons,
+ __entry->res_count
+ )
+);
#endif /* CONFIG_NFS_V4_2 */
#endif /* CONFIG_NFS_V4_1 */
--
2.27.0
