mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-23 18:07:03 +00:00
6e8b50d16a
Add some new tracepoints in the nfsd read/write codepaths. The idea is that this will give us the ability to measure how long each phase of a read or write operation takes. Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
|
|
* 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"
|
|
|
|
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"
|
|
|
|
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, 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>
|