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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/trace/events/dma_buf.h
121817 views
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/* SPDX-License-Identifier: GPL-2.0 */

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM dma_buf

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#if !defined(_TRACE_DMA_BUF_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_DMA_BUF_H

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#include <linux/dma-buf.h>

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#include <linux/tracepoint.h>

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DECLARE_EVENT_CLASS(dma_buf,

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	TP_PROTO(struct dma_buf *dmabuf),

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	TP_ARGS(dmabuf),

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	TP_STRUCT__entry(

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		__string(	exp_name,		dmabuf->exp_name)

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		__field(	size_t,			size)

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		__field(	ino_t,			ino)

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	),

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	TP_fast_assign(

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		__assign_str(exp_name);

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		__entry->size	= dmabuf->size;

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		__entry->ino	= dmabuf->file->f_inode->i_ino;

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	),

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	TP_printk("exp_name=%s size=%zu ino=%lu",

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		  __get_str(exp_name),

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		  __entry->size,

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		  __entry->ino)

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);

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DECLARE_EVENT_CLASS(dma_buf_attach_dev,

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	TP_PROTO(struct dma_buf *dmabuf, struct dma_buf_attachment *attach,

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		bool is_dynamic, struct device *dev),

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	TP_ARGS(dmabuf, attach, is_dynamic, dev),

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	TP_STRUCT__entry(

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		__string(	dev_name,			dev_name(dev))

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		__string(	exp_name,			dmabuf->exp_name)

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		__field(	size_t,				size)

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		__field(	ino_t,				ino)

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		__field(	struct dma_buf_attachment *,	attach)

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		__field(	bool,				is_dynamic)

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	),

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	TP_fast_assign(

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		__assign_str(dev_name);

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		__assign_str(exp_name);

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		__entry->size		= dmabuf->size;

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		__entry->ino		= dmabuf->file->f_inode->i_ino;

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		__entry->is_dynamic	= is_dynamic;

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		__entry->attach		= attach;

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	),

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	TP_printk("exp_name=%s size=%zu ino=%lu attachment:%p is_dynamic=%d dev_name=%s",

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		  __get_str(exp_name),

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		  __entry->size,

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		  __entry->ino,

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		  __entry->attach,

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		  __entry->is_dynamic,

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		  __get_str(dev_name))

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);

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DECLARE_EVENT_CLASS(dma_buf_fd,

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	TP_PROTO(struct dma_buf *dmabuf, int fd),

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	TP_ARGS(dmabuf, fd),

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	TP_STRUCT__entry(

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		__string(	exp_name,		dmabuf->exp_name)

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		__field(	size_t,			size)

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		__field(	ino_t,			ino)

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		__field(	int,			fd)

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	),

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	TP_fast_assign(

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		__assign_str(exp_name);

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		__entry->size	= dmabuf->size;

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		__entry->ino	= dmabuf->file->f_inode->i_ino;

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		__entry->fd	= fd;

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	),

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	TP_printk("exp_name=%s size=%zu ino=%lu fd=%d",

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		  __get_str(exp_name),

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		  __entry->size,

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		  __entry->ino,

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		  __entry->fd)

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);

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DEFINE_EVENT(dma_buf, dma_buf_export,

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	TP_PROTO(struct dma_buf *dmabuf),

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	TP_ARGS(dmabuf)

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);

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DEFINE_EVENT(dma_buf, dma_buf_mmap_internal,

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	TP_PROTO(struct dma_buf *dmabuf),

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	TP_ARGS(dmabuf)

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);

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DEFINE_EVENT(dma_buf, dma_buf_mmap,

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	TP_PROTO(struct dma_buf *dmabuf),

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	TP_ARGS(dmabuf)

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);

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DEFINE_EVENT(dma_buf, dma_buf_put,

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	TP_PROTO(struct dma_buf *dmabuf),

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	TP_ARGS(dmabuf)

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);

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DEFINE_EVENT(dma_buf_attach_dev, dma_buf_dynamic_attach,

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	TP_PROTO(struct dma_buf *dmabuf, struct dma_buf_attachment *attach,

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		bool is_dynamic, struct device *dev),

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	TP_ARGS(dmabuf, attach, is_dynamic, dev)

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);

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DEFINE_EVENT(dma_buf_attach_dev, dma_buf_detach,

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	TP_PROTO(struct dma_buf *dmabuf, struct dma_buf_attachment *attach,

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		bool is_dynamic, struct device *dev),

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	TP_ARGS(dmabuf, attach, is_dynamic, dev)

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);

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DEFINE_EVENT_CONDITION(dma_buf_fd, dma_buf_fd,

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	TP_PROTO(struct dma_buf *dmabuf, int fd),

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	TP_ARGS(dmabuf, fd),

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	TP_CONDITION(fd >= 0)

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);

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DEFINE_EVENT(dma_buf_fd, dma_buf_get,

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	TP_PROTO(struct dma_buf *dmabuf, int fd),

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	TP_ARGS(dmabuf, fd)

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);

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#endif /* _TRACE_DMA_BUF_H */

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/* This part must be outside protection */

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#include <trace/define_trace.h>

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