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NFSD: Add tracepoints for monitoring NFSD callbacks

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-04-05 14:15:29 -04:00
parent dd5e3fbc1f
commit 1eace0d1e9
3 changed files with 177 additions and 19 deletions
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153
fs/nfsd/trace.h
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@@ -624,6 +624,159 @@ TRACE_EVENT(nfsd_drc_mismatch,
__entry->ingress)
);
TRACE_EVENT(nfsd_cb_args,
TP_PROTO(
const struct nfs4_client *clp,
const struct nfs4_cb_conn *conn
),
TP_ARGS(clp, conn),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
__field(u32, prog)
__field(u32, ident)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
__entry->prog = conn->cb_prog;
__entry->ident = conn->cb_ident;
memcpy(__entry->addr, &conn->cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("client %08x:%08x callback addr=%pISpc prog=%u ident=%u",
__entry->cl_boot, __entry->cl_id,
__entry->addr, __entry->prog, __entry->ident)
);
TRACE_EVENT(nfsd_cb_nodelegs,
TP_PROTO(const struct nfs4_client *clp),
TP_ARGS(clp),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
),
TP_printk("client %08x:%08x", __entry->cl_boot, __entry->cl_id)
)
TRACE_DEFINE_ENUM(NFSD4_CB_UP);
TRACE_DEFINE_ENUM(NFSD4_CB_UNKNOWN);
TRACE_DEFINE_ENUM(NFSD4_CB_DOWN);
TRACE_DEFINE_ENUM(NFSD4_CB_FAULT);
#define show_cb_state(val) \
__print_symbolic(val, \
{ NFSD4_CB_UP, "UP" }, \
{ NFSD4_CB_UNKNOWN, "UNKNOWN" }, \
{ NFSD4_CB_DOWN, "DOWN" }, \
{ NFSD4_CB_FAULT, "FAULT"})
DECLARE_EVENT_CLASS(nfsd_cb_class,
TP_PROTO(const struct nfs4_client *clp),
TP_ARGS(clp),
TP_STRUCT__entry(
__field(unsigned long, state)
__field(u32, cl_boot)
__field(u32, cl_id)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->state = clp->cl_cb_state;
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc client %08x:%08x state=%s",
__entry->addr, __entry->cl_boot, __entry->cl_id,
show_cb_state(__entry->state))
);
#define DEFINE_NFSD_CB_EVENT(name) \
DEFINE_EVENT(nfsd_cb_class, nfsd_cb_##name, \
TP_PROTO(const struct nfs4_client *clp), \
TP_ARGS(clp))
DEFINE_NFSD_CB_EVENT(setup);
DEFINE_NFSD_CB_EVENT(state);
DEFINE_NFSD_CB_EVENT(shutdown);
TRACE_EVENT(nfsd_cb_setup_err,
TP_PROTO(
const struct nfs4_client *clp,
long error
),
TP_ARGS(clp, error),
TP_STRUCT__entry(
__field(long, error)
__field(u32, cl_boot)
__field(u32, cl_id)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->error = error;
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc client %08x:%08x error=%ld",
__entry->addr, __entry->cl_boot, __entry->cl_id, __entry->error)
);
TRACE_EVENT(nfsd_cb_work,
TP_PROTO(
const struct nfs4_client *clp,
const char *procedure
),
TP_ARGS(clp, procedure),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
__string(procedure, procedure)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
__assign_str(procedure, procedure)
memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc client %08x:%08x procedure=%s",
__entry->addr, __entry->cl_boot, __entry->cl_id,
__get_str(procedure))
);
TRACE_EVENT(nfsd_cb_done,
TP_PROTO(
const struct nfs4_client *clp,
int status
),
TP_ARGS(clp, status),
TP_STRUCT__entry(
__field(u32, cl_boot)
__field(u32, cl_id)
__field(int, status)
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
__entry->cl_id = clp->cl_clientid.cl_id;
__entry->status = status;
memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
sizeof(struct sockaddr_in6));
),
TP_printk("addr=%pISpc client %08x:%08x status=%d",
__entry->addr, __entry->cl_boot, __entry->cl_id,
__entry->status)
);
#endif /* _NFSD_TRACE_H */
#undef TRACE_INCLUDE_PATH