From 69edbd5f4729a58e11437b2804103bf8ea52745c Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Sun, 29 Oct 2017 12:21:11 -0700 Subject: [PATCH] hyper-v: trace vmbus_establish_gpadl() Add tracepoint to CHANNELMSG_GPADL_HEADER/CHANNELMSG_GPADL_BODY sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel.c | 6 ++++++ drivers/hv/hv_trace.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index a827f43aa408..823ddc714d56 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -435,6 +435,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize - sizeof(*msginfo), true); + + trace_vmbus_establish_gpadl_header(gpadlmsg, ret); + if (ret != 0) goto cleanup; @@ -450,6 +453,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, ret = vmbus_post_msg(gpadl_body, submsginfo->msgsize - sizeof(*submsginfo), true); + + trace_vmbus_establish_gpadl_body(gpadl_body, ret); + if (ret != 0) goto cleanup; diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 302bd4e964f0..978e70bdc7c5 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -172,6 +172,48 @@ TRACE_EVENT(vmbus_close_internal, __entry->ret) ); +TRACE_EVENT(vmbus_establish_gpadl_header, + TP_PROTO(const struct vmbus_channel_gpadl_header *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, gpadl) + __field(u16, range_buflen) + __field(u16, rangecount) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->gpadl = msg->gpadl; + __entry->range_buflen = msg->range_buflen; + __entry->rangecount = msg->rangecount; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, gpadl 0x%x, range_buflen %d " + "rangecount %d, ret %d", + __entry->child_relid, __entry->gpadl, + __entry->range_buflen, __entry->rangecount, __entry->ret + ) + ); + +TRACE_EVENT(vmbus_establish_gpadl_body, + TP_PROTO(const struct vmbus_channel_gpadl_body *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, msgnumber) + __field(u32, gpadl) + __field(int, ret) + ), + TP_fast_assign( + __entry->msgnumber = msg->msgnumber; + __entry->gpadl = msg->gpadl; + __entry->ret = ret; + ), + TP_printk("sending msgnumber %d, gpadl 0x%x, ret %d", + __entry->msgnumber, __entry->gpadl, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE