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 | 101 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 102 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 ba338ee4a82b..4beb59d78ff3 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -2540,6 +2540,107 @@ DECLARE_EVENT_CLASS(nfs4_sparse_event, 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->error = error < 0 ? -error : 0; + __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->res_stateid_seq = error < 0 ? 0 : + be32_to_cpu(res->write_res.stateid.seqid); + __entry->res_stateid_hash = error < 0 ? 0 : + nfs_stateid_hash(&res->write_res.stateid); + __entry->res_count = error < 0 ? 0 : + res->write_res.count; + __entry->res_sync = error < 0 ? 0 : + res->synchronous; + __entry->res_cons = error < 0 ? 0 : + res->consecutive; + __entry->intra = nss ? 0 : 1; + ), + + 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_nfsv4_errors(__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_1 */ #endif /* _TRACE_NFS4_H */ -- 2.27.0
