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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-21 19:05:48 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-03-04 10:28:29 +0800
commitfe7d4ccd1d7748bc9919c1bdee1e8286776f75ff (patch)
tree0d55a8de27712c409441c9b20844163c295ad07b /include
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadvexpress-lsk-fe7d4ccd1d7748bc9919c1bdee1e8286776f75ff.tar.gz
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')
-rw-r--r--include/trace/events/regmap.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h
index 41a7dbd570e..a43a2f67bd8 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 */