From 53b2c1cb9b3cd901a200ddbbf08c77eabf1ab3e9 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 19 Dec 2018 11:00:06 -0500 Subject: xprtrdma: Trace mapping, alloc, and dereg failures These are rare, but can be helpful at tracking down DMAR and other problems. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- include/trace/events/rpcrdma.h | 136 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index 3d068bba4532..ce528d5942c5 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -10,6 +10,7 @@ #if !defined(_TRACE_RPCRDMA_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_RPCRDMA_H +#include #include #include @@ -663,12 +664,147 @@ DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_fastreg); DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li); DEFINE_FRWR_DONE_EVENT(xprtrdma_wc_li_wake); +TRACE_EVENT(xprtrdma_frwr_alloc, + TP_PROTO( + const struct rpcrdma_mr *mr, + int rc + ), + + TP_ARGS(mr, rc), + + TP_STRUCT__entry( + __field(const void *, mr) + __field(int, rc) + ), + + TP_fast_assign( + __entry->mr = mr; + __entry->rc = rc; + ), + + TP_printk("mr=%p: rc=%d", + __entry->mr, __entry->rc + ) +); + +TRACE_EVENT(xprtrdma_frwr_dereg, + TP_PROTO( + const struct rpcrdma_mr *mr, + int rc + ), + + TP_ARGS(mr, rc), + + TP_STRUCT__entry( + __field(const void *, mr) + __field(u32, handle) + __field(u32, length) + __field(u64, offset) + __field(u32, dir) + __field(int, rc) + ), + + TP_fast_assign( + __entry->mr = mr; + __entry->handle = mr->mr_handle; + __entry->length = mr->mr_length; + __entry->offset = mr->mr_offset; + __entry->dir = mr->mr_dir; + __entry->rc = rc; + ), + + TP_printk("mr=%p %u@0x%016llx:0x%08x (%s): rc=%d", + __entry->mr, __entry->length, + (unsigned long long)__entry->offset, __entry->handle, + xprtrdma_show_direction(__entry->dir), + __entry->rc + ) +); + +TRACE_EVENT(xprtrdma_frwr_sgerr, + TP_PROTO( + const struct rpcrdma_mr *mr, + int sg_nents + ), + + TP_ARGS(mr, sg_nents), + + TP_STRUCT__entry( + __field(const void *, mr) + __field(u64, addr) + __field(u32, dir) + __field(int, nents) + ), + + TP_fast_assign( + __entry->mr = mr; + __entry->addr = mr->mr_sg->dma_address; + __entry->dir = mr->mr_dir; + __entry->nents = sg_nents; + ), + + TP_printk("mr=%p dma addr=0x%llx (%s) sg_nents=%d", + __entry->mr, __entry->addr, + xprtrdma_show_direction(__entry->dir), + __entry->nents + ) +); + +TRACE_EVENT(xprtrdma_frwr_maperr, + TP_PROTO( + const struct rpcrdma_mr *mr, + int num_mapped + ), + + TP_ARGS(mr, num_mapped), + + TP_STRUCT__entry( + __field(const void *, mr) + __field(u64, addr) + __field(u32, dir) + __field(int, num_mapped) + __field(int, nents) + ), + + TP_fast_assign( + __entry->mr = mr; + __entry->addr = mr->mr_sg->dma_address; + __entry->dir = mr->mr_dir; + __entry->num_mapped = num_mapped; + __entry->nents = mr->mr_nents; + ), + + TP_printk("mr=%p dma addr=0x%llx (%s) nents=%d of %d", + __entry->mr, __entry->addr, + xprtrdma_show_direction(__entry->dir), + __entry->num_mapped, __entry->nents + ) +); + DEFINE_MR_EVENT(localinv); DEFINE_MR_EVENT(map); DEFINE_MR_EVENT(unmap); DEFINE_MR_EVENT(remoteinv); DEFINE_MR_EVENT(recycle); +TRACE_EVENT(xprtrdma_dma_maperr, + TP_PROTO( + u64 addr + ), + + TP_ARGS(addr), + + TP_STRUCT__entry( + __field(u64, addr) + ), + + TP_fast_assign( + __entry->addr = addr; + ), + + TP_printk("dma addr=0x%llx\n", __entry->addr) +); + /** ** Reply events **/ -- cgit v1.2.3-59-g8ed1b