Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Vitaly Kuznetsov <> | Subject | [PATCH 13/16] hyper-v: trace vmbus_teardown_gpadl() | Date | Wed, 20 Sep 2017 19:22:04 +0200 |
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Add tracepoint to CHANNELMSG_GPADL_TEARDOWN sender.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- drivers/hv/channel.c | 2 ++ drivers/hv/hv_trace.h | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index f51ddc89c85a..2422ef6f9164 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 a77a1f3b83ed..98c2e9e9ad5e 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -212,6 +212,24 @@ 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 -- 2.13.5
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