linux-stable/fs/nfsd/trace.h
Chuck Lever fff4080b2f nfsd: Trace NFSv4 COMPOUND execution
This helps record the identity and timing of the ops in each NFSv4
COMPOUND, replacing dprintk calls that did much the same thing.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-04-03 15:08:15 -04:00

172 lines
4.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2014 Christoph Hellwig.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM nfsd
#if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _NFSD_TRACE_H
#include <linux/tracepoint.h>
#include "nfsfh.h"
TRACE_EVENT(nfsd_compound,
TP_PROTO(const struct svc_rqst *rqst,
u32 args_opcnt),
TP_ARGS(rqst, args_opcnt),
TP_STRUCT__entry(
__field(u32, xid)
__field(u32, args_opcnt)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->args_opcnt = args_opcnt;
),
TP_printk("xid=0x%08x opcnt=%u",
__entry->xid, __entry->args_opcnt)
)
TRACE_EVENT(nfsd_compound_status,
TP_PROTO(u32 args_opcnt,
u32 resp_opcnt,
__be32 status,
const char *name),
TP_ARGS(args_opcnt, resp_opcnt, status, name),
TP_STRUCT__entry(
__field(u32, args_opcnt)
__field(u32, resp_opcnt)
__field(int, status)
__string(name, name)
),
TP_fast_assign(
__entry->args_opcnt = args_opcnt;
__entry->resp_opcnt = resp_opcnt;
__entry->status = be32_to_cpu(status);
__assign_str(name, name);
),
TP_printk("op=%u/%u %s status=%d",
__entry->resp_opcnt, __entry->args_opcnt,
__get_str(name), __entry->status)
)
DECLARE_EVENT_CLASS(nfsd_io_class,
TP_PROTO(struct svc_rqst *rqstp,
struct svc_fh *fhp,
loff_t offset,
unsigned long len),
TP_ARGS(rqstp, fhp, offset, len),
TP_STRUCT__entry(
__field(u32, xid)
__field(u32, fh_hash)
__field(loff_t, offset)
__field(unsigned long, len)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqstp->rq_xid);
__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
__entry->offset = offset;
__entry->len = len;
),
TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
__entry->xid, __entry->fh_hash,
__entry->offset, __entry->len)
)
#define DEFINE_NFSD_IO_EVENT(name) \
DEFINE_EVENT(nfsd_io_class, nfsd_##name, \
TP_PROTO(struct svc_rqst *rqstp, \
struct svc_fh *fhp, \
loff_t offset, \
unsigned long len), \
TP_ARGS(rqstp, fhp, offset, len))
DEFINE_NFSD_IO_EVENT(read_start);
DEFINE_NFSD_IO_EVENT(read_splice);
DEFINE_NFSD_IO_EVENT(read_vector);
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);
DECLARE_EVENT_CLASS(nfsd_err_class,
TP_PROTO(struct svc_rqst *rqstp,
struct svc_fh *fhp,
loff_t offset,
int status),
TP_ARGS(rqstp, fhp, offset, status),
TP_STRUCT__entry(
__field(u32, xid)
__field(u32, fh_hash)
__field(loff_t, offset)
__field(int, status)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqstp->rq_xid);
__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
__entry->offset = offset;
__entry->status = status;
),
TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
__entry->xid, __entry->fh_hash,
__entry->offset, __entry->status)
)
#define DEFINE_NFSD_ERR_EVENT(name) \
DEFINE_EVENT(nfsd_err_class, nfsd_##name, \
TP_PROTO(struct svc_rqst *rqstp, \
struct svc_fh *fhp, \
loff_t offset, \
int len), \
TP_ARGS(rqstp, fhp, offset, len))
DEFINE_NFSD_ERR_EVENT(read_err);
DEFINE_NFSD_ERR_EVENT(write_err);
#include "state.h"
DECLARE_EVENT_CLASS(nfsd_stateid_class,
TP_PROTO(stateid_t *stp),
TP_ARGS(stp),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
__field(u32, si_id)
__field(u32, si_generation)
),
TP_fast_assign(
__entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
__entry->cl_id = stp->si_opaque.so_clid.cl_id;
__entry->si_id = stp->si_opaque.so_id;
__entry->si_generation = stp->si_generation;
),
TP_printk("client %08x:%08x stateid %08x:%08x",
__entry->cl_boot,
__entry->cl_id,
__entry->si_id,
__entry->si_generation)
)
#define DEFINE_STATEID_EVENT(name) \
DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
TP_PROTO(stateid_t *stp), \
TP_ARGS(stp))
DEFINE_STATEID_EVENT(layoutstate_alloc);
DEFINE_STATEID_EVENT(layoutstate_unhash);
DEFINE_STATEID_EVENT(layoutstate_free);
DEFINE_STATEID_EVENT(layout_get_lookup_fail);
DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
DEFINE_STATEID_EVENT(layout_return_lookup_fail);
DEFINE_STATEID_EVENT(layout_recall);
DEFINE_STATEID_EVENT(layout_recall_done);
DEFINE_STATEID_EVENT(layout_recall_fail);
DEFINE_STATEID_EVENT(layout_recall_release);
#endif /* _NFSD_TRACE_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>