From 8954c5c212d321404a7aaf5b48f04a49655c928d Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 15 Apr 2020 09:05:26 -0400 Subject: SUNRPC: Clean up request deferral tracepoints - Rename these so they are easy to enable and search for as a set - Move the tracepoints to get a more accurate sense of control flow - Tracepoints should not fire on xprt shutdown - Display memory address in case data structure had been corrupted - Abandon dprintk in these paths I haven't ever gotten one of these tracepoints to trigger. I wonder if we should simply remove them. Signed-off-by: Chuck Lever --- include/trace/events/sunrpc.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'include/trace') diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 2a7f6f83341f..852413cbb7d9 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -1406,27 +1406,32 @@ DECLARE_EVENT_CLASS(svc_deferred_event, TP_ARGS(dr), TP_STRUCT__entry( + __field(const void *, dr) __field(u32, xid) __string(addr, dr->xprt->xpt_remotebuf) ), TP_fast_assign( + __entry->dr = dr; __entry->xid = be32_to_cpu(*(__be32 *)(dr->args + (dr->xprt_hlen>>2))); __assign_str(addr, dr->xprt->xpt_remotebuf); ), - TP_printk("addr=%s xid=0x%08x", __get_str(addr), __entry->xid) + TP_printk("addr=%s dr=%p xid=0x%08x", __get_str(addr), __entry->dr, + __entry->xid) ); + #define DEFINE_SVC_DEFERRED_EVENT(name) \ - DEFINE_EVENT(svc_deferred_event, svc_##name##_deferred, \ + DEFINE_EVENT(svc_deferred_event, svc_defer_##name, \ TP_PROTO( \ const struct svc_deferred_req *dr \ ), \ TP_ARGS(dr)) DEFINE_SVC_DEFERRED_EVENT(drop); -DEFINE_SVC_DEFERRED_EVENT(revisit); +DEFINE_SVC_DEFERRED_EVENT(queue); +DEFINE_SVC_DEFERRED_EVENT(recv); TRACE_EVENT(svcsock_new_socket, TP_PROTO( -- cgit v1.2.3-59-g8ed1b