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-rw-r--r--fs/nfsd/trace.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 0befe762762b..3287041905da 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -8,6 +8,47 @@
#define _NFSD_TRACE_H
#include <linux/tracepoint.h>
+#include "nfsfh.h"
+
+DECLARE_EVENT_CLASS(nfsd_io_class,
+ TP_PROTO(struct svc_rqst *rqstp,
+ struct svc_fh *fhp,
+ loff_t offset,
+ int len),
+ TP_ARGS(rqstp, fhp, offset, len),
+ TP_STRUCT__entry(
+ __field(__be32, xid)
+ __field_struct(struct knfsd_fh, fh)
+ __field(loff_t, offset)
+ __field(int, len)
+ ),
+ TP_fast_assign(
+ __entry->xid = rqstp->rq_xid,
+ fh_copy_shallow(&__entry->fh, &fhp->fh_handle);
+ __entry->offset = offset;
+ __entry->len = len;
+ ),
+ TP_printk("xid=0x%x fh=0x%x offset=%lld len=%d",
+ __be32_to_cpu(__entry->xid), knfsd_fh_hash(&__entry->fh),
+ __entry->offset, __entry->len)
+)
+
+#define DEFINE_NFSD_IO_EVENT(name) \
+DEFINE_EVENT(nfsd_io_class, name, \
+ TP_PROTO(struct svc_rqst *rqstp, \
+ struct svc_fh *fhp, \
+ loff_t offset, \
+ int len), \
+ TP_ARGS(rqstp, fhp, offset, len))
+
+DEFINE_NFSD_IO_EVENT(read_start);
+DEFINE_NFSD_IO_EVENT(read_opened);
+DEFINE_NFSD_IO_EVENT(read_io_done);
+DEFINE_NFSD_IO_EVENT(read_done);
+DEFINE_NFSD_IO_EVENT(write_start);
+DEFINE_NFSD_IO_EVENT(write_opened);
+DEFINE_NFSD_IO_EVENT(write_io_done);
+DEFINE_NFSD_IO_EVENT(write_done);
#include "state.h"