fe7d4ccd1d
Trace when we start and complete async writes, and when we start and finish blocking for their completion. This is useful for performance analysis of the resulting I/O patterns. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
230 lines
4.0 KiB
C
230 lines
4.0 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM regmap
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#if !defined(_TRACE_REGMAP_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_REGMAP_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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struct device;
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struct regmap;
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/*
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* Log register events
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*/
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DECLARE_EVENT_CLASS(regmap_reg,
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TP_PROTO(struct device *dev, unsigned int reg,
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unsigned int val),
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TP_ARGS(dev, reg, val),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__field( unsigned int, reg )
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__field( unsigned int, val )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__entry->reg = reg;
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__entry->val = val;
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),
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TP_printk("%s reg=%x val=%x", __get_str(name),
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(unsigned int)__entry->reg,
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(unsigned int)__entry->val)
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);
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DEFINE_EVENT(regmap_reg, regmap_reg_write,
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TP_PROTO(struct device *dev, unsigned int reg,
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unsigned int val),
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TP_ARGS(dev, reg, val)
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);
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DEFINE_EVENT(regmap_reg, regmap_reg_read,
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TP_PROTO(struct device *dev, unsigned int reg,
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unsigned int val),
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TP_ARGS(dev, reg, val)
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);
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DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
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TP_PROTO(struct device *dev, unsigned int reg,
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unsigned int val),
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TP_ARGS(dev, reg, val)
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);
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DECLARE_EVENT_CLASS(regmap_block,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__field( unsigned int, reg )
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__field( int, count )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__entry->reg = reg;
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__entry->count = count;
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),
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TP_printk("%s reg=%x count=%d", __get_str(name),
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(unsigned int)__entry->reg,
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(int)__entry->count)
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);
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DEFINE_EVENT(regmap_block, regmap_hw_read_start,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count)
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);
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DEFINE_EVENT(regmap_block, regmap_hw_read_done,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count)
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);
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DEFINE_EVENT(regmap_block, regmap_hw_write_start,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count)
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);
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DEFINE_EVENT(regmap_block, regmap_hw_write_done,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count)
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);
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TRACE_EVENT(regcache_sync,
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TP_PROTO(struct device *dev, const char *type,
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const char *status),
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TP_ARGS(dev, type, status),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__string( status, status )
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__string( type, type )
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__field( int, type )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__assign_str(status, status);
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__assign_str(type, type);
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),
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TP_printk("%s type=%s status=%s", __get_str(name),
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__get_str(type), __get_str(status))
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);
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DECLARE_EVENT_CLASS(regmap_bool,
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TP_PROTO(struct device *dev, bool flag),
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TP_ARGS(dev, flag),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__field( int, flag )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__entry->flag = flag;
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),
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TP_printk("%s flag=%d", __get_str(name),
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(int)__entry->flag)
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);
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DEFINE_EVENT(regmap_bool, regmap_cache_only,
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TP_PROTO(struct device *dev, bool flag),
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TP_ARGS(dev, flag)
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);
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DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
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TP_PROTO(struct device *dev, bool flag),
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TP_ARGS(dev, flag)
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);
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DECLARE_EVENT_CLASS(regmap_async,
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TP_PROTO(struct device *dev),
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TP_ARGS(dev),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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),
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TP_printk("%s", __get_str(name))
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);
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DEFINE_EVENT(regmap_block, regmap_async_write_start,
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TP_PROTO(struct device *dev, unsigned int reg, int count),
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TP_ARGS(dev, reg, count)
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);
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DEFINE_EVENT(regmap_async, regmap_async_io_complete,
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TP_PROTO(struct device *dev),
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TP_ARGS(dev)
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);
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DEFINE_EVENT(regmap_async, regmap_async_complete_start,
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TP_PROTO(struct device *dev),
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TP_ARGS(dev)
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);
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DEFINE_EVENT(regmap_async, regmap_async_complete_done,
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TP_PROTO(struct device *dev),
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TP_ARGS(dev)
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);
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#endif /* _TRACE_REGMAP_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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