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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-30 15:27:08 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-30 21:51:09 +0100
commitbc7ee55633867909bb05e71f957a4d3c1aa1b488 (patch)
treeb8465a2ee229fed3a7ea133a983236ffe7f657d7 /include/trace/events
parentregmap: Allow regmap_update_bits() users to detect changes (diff)
downloadlinux-bc7ee55633867909bb05e71f957a4d3c1aa1b488.tar.xz
linux-bc7ee55633867909bb05e71f957a4d3c1aa1b488.zip
regmap: Add trace event for successful cache reads
Currently we only trace physical reads, there's no instrumentation if the read is satisfied from cache. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include/trace/events')
-rw-r--r--include/trace/events/regmap.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/trace/events/regmap.h b/include/trace/events/regmap.h
index 1e3193b8fcc8..12fbf43524e9 100644
--- a/include/trace/events/regmap.h
+++ b/include/trace/events/regmap.h
@@ -55,6 +55,15 @@ DEFINE_EVENT(regmap_reg, regmap_reg_read,
);
+DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
+
+ TP_PROTO(struct device *dev, unsigned int reg,
+ unsigned int val),
+
+ TP_ARGS(dev, reg, val)
+
+);
+
DECLARE_EVENT_CLASS(regmap_block,
TP_PROTO(struct device *dev, unsigned int reg, int count),