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| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-21 19:05:48 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-04 10:28:29 +0800 |
| commit | fe7d4ccd1d7748bc9919c1bdee1e8286776f75ff (patch) | |
| tree | 0d55a8de27712c409441c9b20844163c295ad07b /include/trace | |
| parent | Linux 3.9-rc1 (diff) | |
| download | linux-dev-fe7d4ccd1d7748bc9919c1bdee1e8286776f75ff.tar.xz linux-dev-fe7d4ccd1d7748bc9919c1bdee1e8286776f75ff.zip | |
regmap: async: Add tracepoints for async I/O
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>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/regmap.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h index 41a7dbd570e2..a43a2f67bd8e 100644 --- a/include/trace/events/regmap.h +++ b/include/trace/events/regmap.h @@ -175,6 +175,54 @@ DEFINE_EVENT(regmap_bool, regmap_cache_bypass, ); +DECLARE_EVENT_CLASS(regmap_async, + + TP_PROTO(struct device *dev), + + TP_ARGS(dev), + + TP_STRUCT__entry( + __string( name, dev_name(dev) ) + ), + + TP_fast_assign( + __assign_str(name, dev_name(dev)); + ), + + TP_printk("%s", __get_str(name)) +); + +DEFINE_EVENT(regmap_block, regmap_async_write_start, + + TP_PROTO(struct device *dev, unsigned int reg, int count), + + TP_ARGS(dev, reg, count) +); + +DEFINE_EVENT(regmap_async, regmap_async_io_complete, + + TP_PROTO(struct device *dev), + + TP_ARGS(dev) + +); + +DEFINE_EVENT(regmap_async, regmap_async_complete_start, + + TP_PROTO(struct device *dev), + + TP_ARGS(dev) + +); + +DEFINE_EVENT(regmap_async, regmap_async_complete_done, + + TP_PROTO(struct device *dev), + + TP_ARGS(dev) + +); + #endif /* _TRACE_REGMAP_H */ /* This part must be outside protection */ |