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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-06-24 10:55:46 -0400
committerJ. Bruce Fields <bfields@redhat.com>2016-07-13 15:53:43 -0400
commit104f6351f7dc0036575b4e47765d6d39c757c066 (patch)
treee919bf3518ae0370aa0c6736556fc49b7abbd5ac /include/trace
parent82ea2d7615309d755579d609ad9c11daea25d0cc (diff)
downloadlinux-104f6351f7dc0036575b4e47765d6d39c757c066.tar.bz2
SUNRPC: Add tracepoints for dropped and deferred requests
Dropping and/or deferring requests has an impact on performance. Let's make sure we can trace those events. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/sunrpc.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index b014207a95a8..8a707f8a41c3 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -473,6 +473,39 @@ TRACE_EVENT(svc_recv,
show_rqstp_flags(__entry->flags))
);
+DECLARE_EVENT_CLASS(svc_rqst_event,
+
+ TP_PROTO(struct svc_rqst *rqst),
+
+ TP_ARGS(rqst),
+
+ TP_STRUCT__entry(
+ __field(__be32, xid)
+ __field(unsigned long, flags)
+ __dynamic_array(unsigned char, addr, rqst->rq_addrlen)
+ ),
+
+ TP_fast_assign(
+ __entry->xid = rqst->rq_xid;
+ __entry->flags = rqst->rq_flags;
+ memcpy(__get_dynamic_array(addr),
+ &rqst->rq_addr, rqst->rq_addrlen);
+ ),
+
+ TP_printk("addr=%pIScp rq_xid=0x%x flags=%s",
+ (struct sockaddr *)__get_dynamic_array(addr),
+ be32_to_cpu(__entry->xid),
+ show_rqstp_flags(__entry->flags))
+);
+
+DEFINE_EVENT(svc_rqst_event, svc_defer,
+ TP_PROTO(struct svc_rqst *rqst),
+ TP_ARGS(rqst));
+
+DEFINE_EVENT(svc_rqst_event, svc_drop,
+ TP_PROTO(struct svc_rqst *rqst),
+ TP_ARGS(rqst));
+
DECLARE_EVENT_CLASS(svc_rqst_status,
TP_PROTO(struct svc_rqst *rqst, int status),
@@ -636,6 +669,34 @@ TRACE_EVENT(svc_handle_xprt,
(struct sockaddr *)__get_dynamic_array(addr) : NULL,
__entry->len, show_svc_xprt_flags(__entry->flags))
);
+
+
+DECLARE_EVENT_CLASS(svc_deferred_event,
+ TP_PROTO(struct svc_deferred_req *dr),
+
+ TP_ARGS(dr),
+
+ TP_STRUCT__entry(
+ __field(__be32, xid)
+ __dynamic_array(unsigned char, addr, dr->addrlen)
+ ),
+
+ TP_fast_assign(
+ __entry->xid = *(__be32 *)(dr->args + (dr->xprt_hlen>>2));
+ memcpy(__get_dynamic_array(addr), &dr->addr, dr->addrlen);
+ ),
+
+ TP_printk("addr=%pIScp xid=0x%x",
+ (struct sockaddr *)__get_dynamic_array(addr),
+ be32_to_cpu(__entry->xid))
+);
+
+DEFINE_EVENT(svc_deferred_event, svc_drop_deferred,
+ TP_PROTO(struct svc_deferred_req *dr),
+ TP_ARGS(dr));
+DEFINE_EVENT(svc_deferred_event, svc_revisit_deferred,
+ TP_PROTO(struct svc_deferred_req *dr),
+ TP_ARGS(dr));
#endif /* _TRACE_SUNRPC_H */
#include <trace/define_trace.h>