diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index ed3634e53e15dc9ad6eba030ee91c6de53a70c28..19f0cf37e0ed0748be1c0c5cd8cf482cb3384eec 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -43,6 +43,8 @@ void vmbus_setevent(struct vmbus_channel *channel) { struct hv_monitor_page *monitorpage; + trace_vmbus_setevent(channel); + /* * For channels marked as in "low latency" mode * bypass the monitor page mechanism. diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 05f413c4fe3bf7270d1c18b3c6035d5aec78b231..447371f4de5675d8b786a99d298d583f657dc5bd 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -322,6 +322,8 @@ void vmbus_on_event(unsigned long data) struct vmbus_channel *channel = (void *) data; unsigned long time_limit = jiffies + 2; + trace_vmbus_on_event(channel); + do { void (*callback_fn)(void *); diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 5382d963030664b1b688db2700fbd2a7fe03f1fb..d635ee95b20d9141e407f129300632c04b80f3d1 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -294,6 +294,29 @@ TRACE_EVENT(vmbus_send_tl_connect_request, ) ); +DECLARE_EVENT_CLASS(vmbus_channel, + TP_PROTO(const struct vmbus_channel *channel), + TP_ARGS(channel), + TP_STRUCT__entry(__field(u32, relid)), + TP_fast_assign(__entry->relid = channel->offermsg.child_relid), + TP_printk("relid 0x%x", __entry->relid) +); + +DEFINE_EVENT(vmbus_channel, vmbus_chan_sched, + TP_PROTO(const struct vmbus_channel *channel), + TP_ARGS(channel) +); + +DEFINE_EVENT(vmbus_channel, vmbus_setevent, + TP_PROTO(const struct vmbus_channel *channel), + TP_ARGS(channel) +); + +DEFINE_EVENT(vmbus_channel, vmbus_on_event, + TP_PROTO(const struct vmbus_channel *channel), + TP_ARGS(channel) +); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 8f9293a87c6bd43fdd6684975080e5e3fbfde633..6a86746d4f60343a9e33cf3a8acd9e5e8da4f979 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -946,6 +946,8 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu) if (channel->rescind) continue; + trace_vmbus_chan_sched(channel); + ++channel->interrupts; switch (channel->callback_mode) {