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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-05-14 22:57:14 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2021-05-18 20:44:04 +0300 |
| commit | 87512386e951ee28ba2e7ef32b843ac97621d371 (patch) | |
| tree | acd58f5aabef9610b3ea0dd0853d5c59700f4f5e /fs/nfsd | |
| parent | 2cde7f8118f0fea29ad73ddcf28817f95adeffd5 (diff) | |
| download | linux-87512386e951ee28ba2e7ef32b843ac97621d371.tar.xz | |
NFSD: Add an nfsd_cb_offload tracepoint
Record the arguments of CB_OFFLOAD callbacks so we can better
observe asynchronous copy-offload behavior. For example:
nfsd-995 [008] 7721.934222: nfsd_cb_offload:
addr=192.168.2.51:0 client 6092a47c:35a43fc1 fh_hash=0x8739113a
count=116528 status=0
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Olga Kornievskaia <kolga@netapp.com>
Cc: Dai Ngo <Dai.Ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 2 | ||||
| -rw-r--r-- | fs/nfsd/trace.h | 36 |
2 files changed, 38 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index f4ce93d7f26e..426b232ca9fd 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1497,6 +1497,8 @@ do_callback: memcpy(&cb_copy->fh, ©->fh, sizeof(copy->fh)); nfsd4_init_cb(&cb_copy->cp_cb, cb_copy->cp_clp, &nfsd4_cb_offload_ops, NFSPROC4_CLNT_CB_OFFLOAD); + trace_nfsd_cb_offload(copy->cp_clp, ©->cp_res.cb_stateid, + ©->fh, copy->cp_count, copy->nfserr); nfsd4_run_cb(&cb_copy->cp_cb); out: if (!copy->cp_intra) diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 921323f88322..1fb56433043d 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1053,6 +1053,42 @@ TRACE_EVENT(nfsd_cb_notify_lock, __entry->fh_hash) ); +TRACE_EVENT(nfsd_cb_offload, + TP_PROTO( + const struct nfs4_client *clp, + const stateid_t *stp, + const struct knfsd_fh *fh, + u64 count, + __be32 status + ), + TP_ARGS(clp, stp, fh, count, status), + TP_STRUCT__entry( + __field(u32, cl_boot) + __field(u32, cl_id) + __field(u32, si_id) + __field(u32, si_generation) + __field(u32, fh_hash) + __field(int, status) + __field(u64, count) + __array(unsigned char, addr, sizeof(struct sockaddr_in6)) + ), + 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; + __entry->fh_hash = knfsd_fh_hash(fh); + __entry->status = be32_to_cpu(status); + __entry->count = count; + memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr, + sizeof(struct sockaddr_in6)); + ), + TP_printk("addr=%pISpc client %08x:%08x stateid %08x:%08x fh_hash=0x%08x count=%llu status=%d", + __entry->addr, __entry->cl_boot, __entry->cl_id, + __entry->si_id, __entry->si_generation, + __entry->fh_hash, __entry->count, __entry->status) +); + #endif /* _NFSD_TRACE_H */ #undef TRACE_INCLUDE_PATH |