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kernel/linux-imx6_3.14.28/include/trace/events/swiotlb.h 1.06 KB
6b13f685e   김민수   BSP 최초 추가
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  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM swiotlb
  
  #if !defined(_TRACE_SWIOTLB_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_SWIOTLB_H
  
  #include <linux/tracepoint.h>
  
  TRACE_EVENT(swiotlb_bounced,
  
  	TP_PROTO(struct device *dev,
  		 dma_addr_t dev_addr,
  		 size_t size,
  		 int swiotlb_force),
  
  	TP_ARGS(dev, dev_addr, size, swiotlb_force),
  
  	TP_STRUCT__entry(
  		__string(	dev_name,	dev_name(dev)	)
  		__field(	u64,	dma_mask		)
  		__field(	dma_addr_t,	dev_addr	)
  		__field(	size_t,	size			)
  		__field(	int,	swiotlb_force		)
  	),
  
  	TP_fast_assign(
  		__assign_str(dev_name, dev_name(dev));
  		__entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
  		__entry->dev_addr = dev_addr;
  		__entry->size = size;
  		__entry->swiotlb_force = swiotlb_force;
  	),
  
  	TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx "
  		"size=%zu %s",
  		__get_str(dev_name),
  		__entry->dma_mask,
  		(unsigned long long)__entry->dev_addr,
  		__entry->size,
  		__entry->swiotlb_force ? "swiotlb_force" : "" )
  );
  
  #endif /*  _TRACE_SWIOTLB_H */
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>