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| author |   Jeff Layton <jlayton@kernel.org> | 2022-07-22 14:12:18 -0400 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-07-23 15:28:59 -0400 |
| commit | 8efc4bbe84a8bdd26e848ed93a8900fad1b44ca2 (patch) | |
| tree | c18beba49e2b9c0333423954766fd08001d0e549 /fs/nfs/nfstrace.h | |
| parent | SUNRPC: Shrink size of struct rpc_task (diff) | |
| download | linux-dev-8efc4bbe84a8bdd26e848ed93a8900fad1b44ca2.tar.xz linux-dev-8efc4bbe84a8bdd26e848ed93a8900fad1b44ca2.zip | |
nfs: add new nfs_direct_req tracepoint events
Add some new tracepoints to the DIO write code.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfstrace.h')
| -rw-r--r-- | fs/nfs/nfstrace.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index 012bd7339862..65388e4a0cd7 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -1576,6 +1576,75 @@ TRACE_EVENT(nfs_commit_done, ) ); +#define nfs_show_direct_req_flags(v) \ + __print_flags(v, "|", \ + { NFS_ODIRECT_DO_COMMIT, "DO_COMMIT" }, \ + { NFS_ODIRECT_RESCHED_WRITES, "RESCHED_WRITES" }, \ + { NFS_ODIRECT_SHOULD_DIRTY, "SHOULD DIRTY" }, \ + { NFS_ODIRECT_DONE, "DONE" } ) + +DECLARE_EVENT_CLASS(nfs_direct_req_class, + TP_PROTO( + const struct nfs_direct_req *dreq + ), + + TP_ARGS(dreq), + + TP_STRUCT__entry( + __field(const struct nfs_direct_req *, dreq) + __field(dev_t, dev) + __field(u64, fileid) + __field(u32, fhandle) + __field(int, ref) + __field(loff_t, io_start) + __field(ssize_t, count) + __field(ssize_t, bytes_left) + __field(ssize_t, error) + __field(int, flags) + ), + + TP_fast_assign( + const struct inode *inode = dreq->inode; + const struct nfs_inode *nfsi = NFS_I(inode); + const struct nfs_fh *fh = &nfsi->fh; + + __entry->dreq = dreq; + __entry->dev = inode->i_sb->s_dev; + __entry->fileid = nfsi->fileid; + __entry->fhandle = nfs_fhandle_hash(fh); + __entry->ref = kref_read(&dreq->kref); + __entry->io_start = dreq->io_start; + __entry->count = dreq->count; + __entry->bytes_left = dreq->bytes_left; + __entry->error = dreq->error; + __entry->flags = dreq->flags; + ), + + TP_printk( + "dreq=%p fileid=%02x:%02x:%llu fhandle=0x%08x ref=%d " + "io_start=%lld count=%zd bytes_left=%zd error=%zd flags=%s", + __entry->dreq, MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, + __entry->fhandle, __entry->ref, + __entry->io_start, __entry->count, __entry->bytes_left, + __entry->error, nfs_show_direct_req_flags(__entry->flags) + ) +); + +#define DEFINE_NFS_DIRECT_REQ_EVENT(name) \ + DEFINE_EVENT(nfs_direct_req_class, name, \ + TP_PROTO( \ + const struct nfs_direct_req *dreq \ + ), \ + TP_ARGS(dreq)) + +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_commit_complete); +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_resched_write); +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_write_complete); +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_write_completion); +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_write_schedule_iovec); +DEFINE_NFS_DIRECT_REQ_EVENT(nfs_direct_write_reschedule_io); + TRACE_EVENT(nfs_fh_to_dentry, TP_PROTO( const struct super_block *sb, |