2022-08-09 18:54:37

by Trond Myklebust

[permalink] [raw]
Subject: [PATCH 2/3] NFS: Improve O_DIRECT tracing

From: Trond Myklebust <[email protected]>

Switch the formatting to match the other NFS tracepoints.

Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/nfstrace.h | 21 +++++++++------------
1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 731eecfdf49a..8e87cf8e5e78 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -1597,12 +1597,10 @@ DECLARE_EVENT_CLASS(nfs_direct_req_class,
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(loff_t, offset)
__field(ssize_t, count)
__field(ssize_t, bytes_left)
__field(ssize_t, error)
@@ -1614,12 +1612,10 @@ DECLARE_EVENT_CLASS(nfs_direct_req_class,
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->offset = dreq->io_start;
__entry->count = dreq->count;
__entry->bytes_left = dreq->bytes_left;
__entry->error = dreq->error;
@@ -1627,13 +1623,14 @@ DECLARE_EVENT_CLASS(nfs_direct_req_class,
),

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),
+ "error=%zd fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%zd bytes_left=%zd flags=%s",
+ __entry->error, 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)
+ __entry->fhandle, __entry->offset,
+ __entry->count, __entry->bytes_left,
+ nfs_show_direct_req_flags(__entry->flags)
)
);

--
2.37.1


2022-08-09 18:54:39

by Trond Myklebust

[permalink] [raw]
Subject: [PATCH 3/3] NFS: Improve readpage/writepage tracing

From: Trond Myklebust <[email protected]>

Switch formatting to better match that used by other NFS tracepoints.

Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/nfstrace.h | 54 +++++++++++++++++++++++------------------------
1 file changed, 26 insertions(+), 28 deletions(-)

diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 8e87cf8e5e78..8c6cc58679ff 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -1137,7 +1137,7 @@ TRACE_EVENT(nfs_readpage_done,
__field(u32, arg_count)
__field(u32, res_count)
__field(bool, eof)
- __field(int, status)
+ __field(int, error)
),

TP_fast_assign(
@@ -1146,7 +1146,7 @@ TRACE_EVENT(nfs_readpage_done,
const struct nfs_fh *fh = hdr->args.fh ?
hdr->args.fh : &nfsi->fh;

- __entry->status = task->tk_status;
+ __entry->error = task->tk_status;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
@@ -1157,14 +1157,13 @@ TRACE_EVENT(nfs_readpage_done,
),

TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld count=%u res=%u status=%d%s",
+ "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u%s", __entry->error,
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
(long long)__entry->offset, __entry->arg_count,
- __entry->res_count, __entry->status,
- __entry->eof ? " eof" : ""
+ __entry->res_count, __entry->eof ? " eof" : ""
)
);

@@ -1184,7 +1183,7 @@ TRACE_EVENT(nfs_readpage_short,
__field(u32, arg_count)
__field(u32, res_count)
__field(bool, eof)
- __field(int, status)
+ __field(int, error)
),

TP_fast_assign(
@@ -1193,7 +1192,7 @@ TRACE_EVENT(nfs_readpage_short,
const struct nfs_fh *fh = hdr->args.fh ?
hdr->args.fh : &nfsi->fh;

- __entry->status = task->tk_status;
+ __entry->error = task->tk_status;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
@@ -1204,14 +1203,13 @@ TRACE_EVENT(nfs_readpage_short,
),

TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld count=%u res=%u status=%d%s",
+ "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u%s", __entry->error,
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
(long long)__entry->offset, __entry->arg_count,
- __entry->res_count, __entry->status,
- __entry->eof ? " eof" : ""
+ __entry->res_count, __entry->eof ? " eof" : ""
)
);

@@ -1323,7 +1321,7 @@ TRACE_EVENT(nfs_pgio_error,
__field(u32, arg_count)
__field(u32, res_count)
__field(loff_t, pos)
- __field(int, status)
+ __field(int, error)
),

TP_fast_assign(
@@ -1332,7 +1330,7 @@ TRACE_EVENT(nfs_pgio_error,
const struct nfs_fh *fh = hdr->args.fh ?
hdr->args.fh : &nfsi->fh;

- __entry->status = error;
+ __entry->error = error;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
@@ -1341,12 +1339,12 @@ TRACE_EVENT(nfs_pgio_error,
__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",
+ TP_printk("error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u pos=%llu", __entry->error,
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
+ __entry->pos
)
);

@@ -1406,7 +1404,7 @@ TRACE_EVENT(nfs_writeback_done,
__field(loff_t, offset)
__field(u32, arg_count)
__field(u32, res_count)
- __field(int, status)
+ __field(int, error)
__field(unsigned long, stable)
__array(char, verifier, NFS4_VERIFIER_SIZE)
),
@@ -1418,7 +1416,7 @@ TRACE_EVENT(nfs_writeback_done,
hdr->args.fh : &nfsi->fh;
const struct nfs_writeverf *verf = hdr->res.verf;

- __entry->status = task->tk_status;
+ __entry->error = task->tk_status;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
@@ -1432,14 +1430,14 @@ TRACE_EVENT(nfs_writeback_done,
),

TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld count=%u res=%u status=%d stable=%s "
- "verifier=%s",
+ "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u stable=%s "
+ "verifier=%s", __entry->error,
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
(long long)__entry->offset, __entry->arg_count,
- __entry->res_count, __entry->status,
+ __entry->res_count,
show_nfs_stable_how(__entry->stable),
show_nfs4_verifier(__entry->verifier)
)
@@ -1547,7 +1545,7 @@ TRACE_EVENT(nfs_commit_done,
__field(u32, fhandle)
__field(u64, fileid)
__field(loff_t, offset)
- __field(int, status)
+ __field(int, error)
__field(unsigned long, stable)
__array(char, verifier, NFS4_VERIFIER_SIZE)
),
@@ -1559,7 +1557,7 @@ TRACE_EVENT(nfs_commit_done,
data->args.fh : &nfsi->fh;
const struct nfs_writeverf *verf = data->res.verf;

- __entry->status = task->tk_status;
+ __entry->error = task->tk_status;
__entry->offset = data->args.offset;
__entry->stable = verf->committed;
memcpy(__entry->verifier,
@@ -1571,12 +1569,12 @@ TRACE_EVENT(nfs_commit_done,
),

TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x "
- "offset=%lld status=%d stable=%s verifier=%s",
+ "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld stable=%s verifier=%s", __entry->error,
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
- (long long)__entry->offset, __entry->status,
+ (long long)__entry->offset,
show_nfs_stable_how(__entry->stable),
show_nfs4_verifier(__entry->verifier)
)
--
2.37.1