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Date: Wed, 20 Sep 2017 19:21:56 +0200 From: Vitaly Kuznetsov <vkuznets@...hat.com> To: devel@...uxdriverproject.org Cc: linux-kernel@...r.kernel.org, "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com>, Steven Rostedt <rostedt@...dmis.org>, Dexuan Cui <decui@...rosoft.com> Subject: [PATCH 05/16] hyper-v: trace vmbus_onopen_result() Add tracepoint to CHANNELMSG_OPENCHANNEL_RESULT handler. Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com> --- drivers/hv/channel_mgmt.c | 2 ++ drivers/hv/hv_trace.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 563653a02ab6..2abe0563876b 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -980,6 +980,8 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr) result = (struct vmbus_channel_open_result *)hdr; + trace_vmbus_onopen_result(result); + /* * Find the open msg, copy the result and signal/unblock the wait event */ diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index d2a5a97dcf2a..c98d66d683f4 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -67,6 +67,23 @@ TRACE_EVENT(vmbus_onoffer_rescind, TP_printk("child_relid 0x%x", __entry->child_relid) ); +TRACE_EVENT(vmbus_onopen_result, + TP_PROTO(const struct vmbus_channel_open_result *result), + TP_ARGS(result), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, openid) + __field(u32, status) + ), + TP_fast_assign(__entry->child_relid = result->child_relid; + __entry->openid = result->openid; + __entry->status = result->status; + ), + TP_printk("child_relid 0x%x, openid %d, status %d", + __entry->child_relid, __entry->openid, __entry->status + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.13.5
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