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-rw-r--r--fs/nfs/nfstrace.h248
-rw-r--r--fs/nfs/read.c4
-rw-r--r--fs/nfs/write.c7
3 files changed, 259 insertions, 0 deletions
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 2ca9167bc97d..551711042ba4 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -719,6 +719,254 @@ TRACE_EVENT(nfs_sillyrename_unlink,
__get_str(name)
)
);
+
+TRACE_EVENT(nfs_initiate_read,
+ TP_PROTO(
+ const struct inode *inode,
+ loff_t offset, unsigned long count
+ ),
+
+ TP_ARGS(inode, offset, count),
+
+ TP_STRUCT__entry(
+ __field(loff_t, offset)
+ __field(unsigned long, count)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->offset = offset;
+ __entry->count = count;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%lu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->count
+ )
+);
+
+TRACE_EVENT(nfs_readpage_done,
+ TP_PROTO(
+ const struct inode *inode,
+ int status, loff_t offset, bool eof
+ ),
+
+ TP_ARGS(inode, status, offset, eof),
+
+ TP_STRUCT__entry(
+ __field(int, status)
+ __field(loff_t, offset)
+ __field(bool, eof)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->status = status;
+ __entry->offset = offset;
+ __entry->eof = eof;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld status=%d%s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->status,
+ __entry->eof ? " eof" : ""
+ )
+);
+
+/*
+ * XXX: I tried using NFS_UNSTABLE and friends in this table, but they
+ * all evaluate to 0 for some reason, even if I include linux/nfs.h.
+ */
+#define nfs_show_stable(stable) \
+ __print_symbolic(stable, \
+ { 0, " (UNSTABLE)" }, \
+ { 1, " (DATA_SYNC)" }, \
+ { 2, " (FILE_SYNC)" })
+
+TRACE_EVENT(nfs_initiate_write,
+ TP_PROTO(
+ const struct inode *inode,
+ loff_t offset, unsigned long count,
+ enum nfs3_stable_how stable
+ ),
+
+ TP_ARGS(inode, offset, count, stable),
+
+ TP_STRUCT__entry(
+ __field(loff_t, offset)
+ __field(unsigned long, count)
+ __field(enum nfs3_stable_how, stable)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->offset = offset;
+ __entry->count = count;
+ __entry->stable = stable;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%lu stable=%d%s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->count,
+ __entry->stable, nfs_show_stable(__entry->stable)
+ )
+);
+
+TRACE_EVENT(nfs_writeback_done,
+ TP_PROTO(
+ const struct inode *inode,
+ int status,
+ loff_t offset,
+ struct nfs_writeverf *writeverf
+ ),
+
+ TP_ARGS(inode, status, offset, writeverf),
+
+ TP_STRUCT__entry(
+ __field(int, status)
+ __field(loff_t, offset)
+ __field(enum nfs3_stable_how, stable)
+ __field(unsigned long long, verifier)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->status = status;
+ __entry->offset = offset;
+ __entry->stable = writeverf->committed;
+ memcpy(&__entry->verifier, &writeverf->verifier,
+ sizeof(__entry->verifier));
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld status=%d stable=%d%s "
+ "verifier 0x%016llx",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->status,
+ __entry->stable, nfs_show_stable(__entry->stable),
+ __entry->verifier
+ )
+);
+
+TRACE_EVENT(nfs_initiate_commit,
+ TP_PROTO(
+ const struct nfs_commit_data *data
+ ),
+
+ TP_ARGS(data),
+
+ TP_STRUCT__entry(
+ __field(loff_t, offset)
+ __field(unsigned long, count)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct inode *inode = data->inode;
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->offset = data->args.offset;
+ __entry->count = data->args.count;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%lu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->count
+ )
+);
+
+TRACE_EVENT(nfs_commit_done,
+ TP_PROTO(
+ const struct nfs_commit_data *data
+ ),
+
+ TP_ARGS(data),
+
+ TP_STRUCT__entry(
+ __field(int, status)
+ __field(loff_t, offset)
+ __field(unsigned long long, verifier)
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ ),
+
+ TP_fast_assign(
+ const struct inode *inode = data->inode;
+ const struct nfs_inode *nfsi = NFS_I(inode);
+
+ __entry->status = data->res.op_status;
+ __entry->offset = data->args.offset;
+ memcpy(&__entry->verifier, &data->verf.verifier,
+ sizeof(__entry->verifier));
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld status=%d verifier 0x%016llx",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ __entry->offset, __entry->status,
+ __entry->verifier
+ )
+);
+
#endif /* _TRACE_NFS_H */
#undef TRACE_INCLUDE_PATH
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 0d42573d423d..48d7277c60a9 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -25,6 +25,7 @@
#include "iostat.h"
#include "fscache.h"
#include "pnfs.h"
+#include "nfstrace.h"
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
@@ -200,6 +201,7 @@ static void nfs_initiate_read(struct nfs_pgio_header *hdr,
task_setup_data->flags |= swap_flags;
rpc_ops->read_setup(hdr, msg);
+ trace_nfs_initiate_read(inode, hdr->io_start, hdr->good_bytes);
}
static void
@@ -232,6 +234,8 @@ static int nfs_readpage_done(struct rpc_task *task,
return status;
nfs_add_stats(inode, NFSIOS_SERVERREADBYTES, hdr->res.count);
+ trace_nfs_readpage_done(inode, task->tk_status,
+ hdr->args.offset, hdr->res.eof);
if (task->tk_status == -ESTALE) {
set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f68083db63c8..c66206ac4ebf 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1383,6 +1383,8 @@ static void nfs_initiate_write(struct nfs_pgio_header *hdr,
task_setup_data->priority = priority;
rpc_ops->write_setup(hdr, msg);
+ trace_nfs_initiate_write(hdr->inode, hdr->io_start, hdr->good_bytes,
+ hdr->args.stable);
nfs4_state_protect_write(NFS_SERVER(hdr->inode)->nfs_client,
&task_setup_data->rpc_client, msg, hdr);
@@ -1540,7 +1542,10 @@ static int nfs_writeback_done(struct rpc_task *task,
status = NFS_PROTO(inode)->write_done(task, hdr);
if (status != 0)
return status;
+
nfs_add_stats(inode, NFSIOS_SERVERWRITTENBYTES, hdr->res.count);
+ trace_nfs_writeback_done(inode, task->tk_status,
+ hdr->args.offset, hdr->res.verf);
if (hdr->res.verf->committed < hdr->args.stable &&
task->tk_status >= 0) {
@@ -1669,6 +1674,7 @@ int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
};
/* Set up the initial task struct. */
nfs_ops->commit_setup(data, &msg);
+ trace_nfs_initiate_commit(data);
dprintk("NFS: initiated commit call\n");
@@ -1793,6 +1799,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
/* Call the NFS version-specific code */
NFS_PROTO(data->inode)->commit_done(task, data);
+ trace_nfs_commit_done(data);
}
static void nfs_commit_release_pages(struct nfs_commit_data *data)
generated by cgit (git 2.34.1) at 2024-05-25 12:58:03 +0000