From 09cdf8f87c15dbe9a3eeb6de04aaafd0cd922d6d Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Sun, 29 Oct 2017 12:21:12 -0700 Subject: hyper-v: trace vmbus_teardown_gpadl() Add tracepoint to CHANNELMSG_GPADL_TEARDOWN sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/channel.c | 2 ++ drivers/hv/hv_trace.h | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) (limited to 'drivers/hv') diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 823ddc714d56..0382d7b600a1 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -519,6 +519,8 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle) ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_gpadl_teardown), true); + trace_vmbus_teardown_gpadl(msg, ret); + if (ret) goto post_msg_err; diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 978e70bdc7c5..cd33a52ef27f 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -214,6 +214,24 @@ TRACE_EVENT(vmbus_establish_gpadl_body, ) ); +TRACE_EVENT(vmbus_teardown_gpadl, + TP_PROTO(const struct vmbus_channel_gpadl_teardown *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, gpadl) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->gpadl = msg->gpadl; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, gpadl 0x%x, ret %d", + __entry->child_relid, __entry->gpadl, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- cgit v1.2.3-58-ga151