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NFSD: add trace points to track server copy progress

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Add trace points on destination server to track inter and intra
server copy operations.

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Tested-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Dai Ngo 2023-08-31 12:35:47 -07:00 committed by Chuck Lever
parent 15d1975b72
commit 5896a87054
2 changed files with 97 additions and 2 deletions
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12
fs/nfsd/nfs4proc.c
View File

@ -1760,6 +1760,7 @@ static int nfsd4_do_async_copy(void *data)
struct nfsd4_copy *copy = (struct nfsd4_copy *)data;
__be32 nfserr;
trace_nfsd_copy_do_async(copy);
if (nfsd4_ssc_is_inter(copy)) {
struct file *filp;
@ -1800,17 +1801,23 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
copy->cp_clp = cstate->clp;
if (nfsd4_ssc_is_inter(copy)) {
trace_nfsd_copy_inter(copy);
if (!inter_copy_offload_enable || nfsd4_copy_is_sync(copy)) {
status = nfserr_notsupp;
goto out;
}
status = nfsd4_setup_inter_ssc(rqstp, cstate, copy);
if (status)
if (status) {
trace_nfsd_copy_done(copy, status);
return nfserr_offload_denied;
}
} else {
trace_nfsd_copy_intra(copy);
status = nfsd4_setup_intra_ssc(rqstp, cstate, copy);
if (status)
if (status) {
trace_nfsd_copy_done(copy, status);
return status;
}
}
memcpy(&copy->fh, &cstate->current_fh.fh_handle,
@ -1847,6 +1854,7 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
copy->nf_dst->nf_file, true);
}
out:
trace_nfsd_copy_done(copy, status);
release_copy_files(copy);
return status;
out_err:

87
fs/nfsd/trace.h
View File

@ -1863,6 +1863,93 @@ TRACE_EVENT(nfsd_end_grace,
)
);
DECLARE_EVENT_CLASS(nfsd_copy_class,
TP_PROTO(
const struct nfsd4_copy *copy
),
TP_ARGS(copy),
TP_STRUCT__entry(
__field(bool, intra)
__field(bool, async)
__field(u32, src_cl_boot)
__field(u32, src_cl_id)
__field(u32, src_so_id)
__field(u32, src_si_generation)
__field(u32, dst_cl_boot)
__field(u32, dst_cl_id)
__field(u32, dst_so_id)
__field(u32, dst_si_generation)
__field(u64, src_cp_pos)
__field(u64, dst_cp_pos)
__field(u64, cp_count)
__sockaddr(addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
const stateid_t *src_stp = &copy->cp_src_stateid;
const stateid_t *dst_stp = &copy->cp_dst_stateid;
__entry->intra = test_bit(NFSD4_COPY_F_INTRA, &copy->cp_flags);
__entry->async = !test_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
__entry->src_cl_boot = src_stp->si_opaque.so_clid.cl_boot;
__entry->src_cl_id = src_stp->si_opaque.so_clid.cl_id;
__entry->src_so_id = src_stp->si_opaque.so_id;
__entry->src_si_generation = src_stp->si_generation;
__entry->dst_cl_boot = dst_stp->si_opaque.so_clid.cl_boot;
__entry->dst_cl_id = dst_stp->si_opaque.so_clid.cl_id;
__entry->dst_so_id = dst_stp->si_opaque.so_id;
__entry->dst_si_generation = dst_stp->si_generation;
__entry->src_cp_pos = copy->cp_src_pos;
__entry->dst_cp_pos = copy->cp_dst_pos;
__entry->cp_count = copy->cp_count;
__assign_sockaddr(addr, &copy->cp_clp->cl_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("client=%pISpc intra=%d async=%d "
"src_stateid[si_generation:0x%x cl_boot:0x%x cl_id:0x%x so_id:0x%x] "
"dst_stateid[si_generation:0x%x cl_boot:0x%x cl_id:0x%x so_id:0x%x] "
"cp_src_pos=%llu cp_dst_pos=%llu cp_count=%llu",
__get_sockaddr(addr), __entry->intra, __entry->async,
__entry->src_si_generation, __entry->src_cl_boot,
__entry->src_cl_id, __entry->src_so_id,
__entry->dst_si_generation, __entry->dst_cl_boot,
__entry->dst_cl_id, __entry->dst_so_id,
__entry->src_cp_pos, __entry->dst_cp_pos, __entry->cp_count
)
);
#define DEFINE_COPY_EVENT(name) \
DEFINE_EVENT(nfsd_copy_class, nfsd_copy_##name, \
TP_PROTO(const struct nfsd4_copy *copy), \
TP_ARGS(copy))
DEFINE_COPY_EVENT(inter);
DEFINE_COPY_EVENT(intra);
DEFINE_COPY_EVENT(do_async);
TRACE_EVENT(nfsd_copy_done,
TP_PROTO(
const struct nfsd4_copy *copy,
__be32 status
),
TP_ARGS(copy, status),
TP_STRUCT__entry(
__field(int, status)
__field(bool, intra)
__field(bool, async)
__sockaddr(addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->status = be32_to_cpu(status);
__entry->intra = test_bit(NFSD4_COPY_F_INTRA, &copy->cp_flags);
__entry->async = !test_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
__assign_sockaddr(addr, &copy->cp_clp->cl_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc status=%d intra=%d async=%d ",
__get_sockaddr(addr), __entry->status, __entry->intra, __entry->async
)
);
#endif /* _NFSD_TRACE_H */
#undef TRACE_INCLUDE_PATH