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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c9fe0f8fa4
Add tracing subsystem to Hyper-V VMBus module and add tracepoint to vmbus_on_msg_dpc() which is called when we receive a message from host. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
762 B
C
30 lines
762 B
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM hyperv
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#if !defined(_HV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _HV_TRACE_H
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#include <linux/tracepoint.h>
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DECLARE_EVENT_CLASS(vmbus_hdr_msg,
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TP_PROTO(const struct vmbus_channel_message_header *hdr),
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TP_ARGS(hdr),
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TP_STRUCT__entry(__field(unsigned int, msgtype)),
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TP_fast_assign(__entry->msgtype = hdr->msgtype;),
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TP_printk("msgtype=%u", __entry->msgtype)
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);
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DEFINE_EVENT(vmbus_hdr_msg, vmbus_on_msg_dpc,
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TP_PROTO(const struct vmbus_channel_message_header *hdr),
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TP_ARGS(hdr)
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);
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE hv_trace
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#endif /* _HV_TRACE_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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