From cd2ed9bdc0794464d57a5ae2d979b1543a75694b Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Tue, 12 May 2020 17:14:11 -0400 Subject: NFS: Add a tracepoint in nfs_set_pgio_error() Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- fs/nfs/nfstrace.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'fs/nfs/nfstrace.h') diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index b35998c5c9ca..547cec79899f 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -1008,6 +1008,50 @@ TRACE_EVENT(nfs_readpage_short, ) ); +TRACE_EVENT(nfs_pgio_error, + TP_PROTO( + const struct nfs_pgio_header *hdr, + int error, + loff_t pos + ), + + TP_ARGS(hdr, error, pos), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(u32, fhandle) + __field(u64, fileid) + __field(loff_t, offset) + __field(u32, arg_count) + __field(u32, res_count) + __field(loff_t, pos) + __field(int, status) + ), + + TP_fast_assign( + const struct inode *inode = hdr->inode; + const struct nfs_inode *nfsi = NFS_I(inode); + const struct nfs_fh *fh = hdr->args.fh ? + hdr->args.fh : &nfsi->fh; + + __entry->status = error; + __entry->offset = hdr->args.offset; + __entry->arg_count = hdr->args.count; + __entry->res_count = hdr->res.count; + __entry->dev = inode->i_sb->s_dev; + __entry->fileid = nfsi->fileid; + __entry->fhandle = nfs_fhandle_hash(fh); + ), + + TP_printk("fileid=%02x:%02x:%llu fhandle=0x%08x " + "offset=%lld count=%u res=%u pos=%llu status=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, __entry->fhandle, + (long long)__entry->offset, __entry->arg_count, __entry->res_count, + __entry->pos, __entry->status + ) +); + TRACE_DEFINE_ENUM(NFS_UNSTABLE); TRACE_DEFINE_ENUM(NFS_DATA_SYNC); TRACE_DEFINE_ENUM(NFS_FILE_SYNC); -- cgit v1.2.3