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author | 2014-10-28 14:24:14 -0400 | |
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committer | 2014-11-24 12:53:35 -0500 | |
commit | 1a867a0898b2e366a1eb5b7fe21413a2b2b1629f (patch) | |
tree | 854b8e2516a0b2545414cd9cc00eeda7900dc052 /include/trace | |
parent | sunrpc: add new tracepoints in xprt handling code (diff) | |
download | linux-1a867a0898b2e366a1eb5b7fe21413a2b2b1629f.tar.gz linux-1a867a0898b2e366a1eb5b7fe21413a2b2b1629f.tar.bz2 linux-1a867a0898b2e366a1eb5b7fe21413a2b2b1629f.zip |
sunrpc: add tracepoints in xs_tcp_data_recv
Add tracepoints inside the main loop on xs_tcp_data_recv that allow
us to keep an eye on what's happening during each phase of it.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/events/sunrpc.h | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 5edb16bcd836..171ca4ff6d99 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -7,6 +7,7 @@ #include <linux/sunrpc/sched.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> +#include <linux/sunrpc/xprtsock.h> #include <net/tcp_states.h> #include <linux/net.h> #include <linux/tracepoint.h> @@ -326,7 +327,7 @@ DECLARE_EVENT_CLASS(rpc_xprt_event, __assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]); ), - TP_printk("peer=%s/%s xid=0x%x status=%d", __get_str(addr), + TP_printk("peer=[%s]:%s xid=0x%x status=%d", __get_str(addr), __get_str(port), be32_to_cpu(__entry->xid), __entry->status) ); @@ -370,6 +371,47 @@ TRACE_EVENT(xs_tcp_data_ready, __get_str(port), __entry->err, __entry->total) ); +#define rpc_show_sock_xprt_flags(flags) \ + __print_flags(flags, "|", \ + { TCP_RCV_LAST_FRAG, "TCP_RCV_LAST_FRAG" }, \ + { TCP_RCV_COPY_FRAGHDR, "TCP_RCV_COPY_FRAGHDR" }, \ + { TCP_RCV_COPY_XID, "TCP_RCV_COPY_XID" }, \ + { TCP_RCV_COPY_DATA, "TCP_RCV_COPY_DATA" }, \ + { TCP_RCV_READ_CALLDIR, "TCP_RCV_READ_CALLDIR" }, \ + { TCP_RCV_COPY_CALLDIR, "TCP_RCV_COPY_CALLDIR" }, \ + { TCP_RPC_REPLY, "TCP_RPC_REPLY" }) + +TRACE_EVENT(xs_tcp_data_recv, + TP_PROTO(struct sock_xprt *xs), + + TP_ARGS(xs), + + TP_STRUCT__entry( + __string(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR]) + __string(port, xs->xprt.address_strings[RPC_DISPLAY_PORT]) + __field(__be32, xid) + __field(unsigned long, flags) + __field(unsigned long, copied) + __field(unsigned int, reclen) + __field(unsigned long, offset) + ), + + TP_fast_assign( + __assign_str(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR]); + __assign_str(port, xs->xprt.address_strings[RPC_DISPLAY_PORT]); + __entry->xid = xs->tcp_xid; + __entry->flags = xs->tcp_flags; + __entry->copied = xs->tcp_copied; + __entry->reclen = xs->tcp_reclen; + __entry->offset = xs->tcp_offset; + ), + + TP_printk("peer=[%s]:%s xid=0x%x flags=%s copied=%lu reclen=%u offset=%lu", + __get_str(addr), __get_str(port), be32_to_cpu(__entry->xid), + rpc_show_sock_xprt_flags(__entry->flags), + __entry->copied, __entry->reclen, __entry->offset) +); + TRACE_EVENT(svc_recv, TP_PROTO(struct svc_rqst *rqst, int status), |