From: Simon Marchi <simon.marchi@polymtl.ca>
Date: Thu, 16 Apr 2015 20:45:09 +0000 (-0400)
Subject: Fix: regmap instrumentation for Linux 3.19.4 and 4.0
X-Git-Tag: v2.7.0-rc1~47
X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=6bdc39b10e8a16c966e2c338084ef13f84af3af3;p=lttng-modules.git

Fix: regmap instrumentation for Linux 3.19.4 and 4.0

This is necessary after commit c6b570d97c0e77f570bb6b2ed30d372b2b1e9aae
in the kernel.

[ Edit by Mathieu Desnoyers: fix DECLARE_EVENT_CLASS regmap_reg too. ]

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/instrumentation/events/lttng-module/regmap.h b/instrumentation/events/lttng-module/regmap.h
index eef3c6cd..358d744f 100644
--- a/instrumentation/events/lttng-module/regmap.h
+++ b/instrumentation/events/lttng-module/regmap.h
@@ -14,6 +14,39 @@ struct device;
 struct regmap;
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,4))
+/*
+ * Log register events
+ */
+LTTNG_TRACEPOINT_EVENT_CLASS(regmap_reg,
+
+	TP_PROTO(struct regmap *map, unsigned int reg,
+		 unsigned int val),
+
+	TP_ARGS(map, reg, val),
+
+	TP_FIELDS(
+		ctf_string(name, regmap_name(map))
+		ctf_integer(unsigned int, reg, reg)
+		ctf_integer(unsigned int, val, val)
+	)
+)
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_write,
+
+	TP_PROTO(struct regmap *map, unsigned int reg,
+		 unsigned int val),
+
+	TP_ARGS(map, reg, val)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_read,
+
+	TP_PROTO(struct regmap *map, unsigned int reg,
+		 unsigned int val),
+
+	TP_ARGS(map, reg, val)
+)
+#else
 /*
  * Log register events
  */
@@ -37,7 +70,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_write,
 		 unsigned int val),
 
 	TP_ARGS(dev, reg, val)
-
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_read,
@@ -46,20 +78,69 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_read,
 		 unsigned int val),
 
 	TP_ARGS(dev, reg, val)
-
 )
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,4))
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_read_cache,
+
+	TP_PROTO(struct regmap *map, unsigned int reg,
+		 unsigned int val),
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+	TP_ARGS(map, reg, val)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_reg, regmap_reg_read_cache,
 
 	TP_PROTO(struct device *dev, unsigned int reg,
 		 unsigned int val),
 
 	TP_ARGS(dev, reg, val)
-
 )
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,4))
+LTTNG_TRACEPOINT_EVENT_CLASS(regmap_block,
+
+	TP_PROTO(struct regmap *map, unsigned int reg, int count),
+
+	TP_ARGS(map, reg, count),
+
+	TP_FIELDS(
+		ctf_string(name, regmap_name(map))
+		ctf_integer(unsigned int, reg, reg)
+		ctf_integer(int, count, count)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_block, regmap_hw_read_start,
+
+	TP_PROTO(struct regmap *map, unsigned int reg, int count),
+
+	TP_ARGS(map, reg, count)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_block, regmap_hw_read_done,
+
+	TP_PROTO(struct regmap *map, unsigned int reg, int count),
+
+	TP_ARGS(map, reg, count)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_block, regmap_hw_write_start,
+
+	TP_PROTO(struct regmap *map, unsigned int reg, int count),
+
+	TP_ARGS(map, reg, count)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_block, regmap_hw_write_done,
+
+	TP_PROTO(struct regmap *map, unsigned int reg, int count),
+
+	TP_ARGS(map, reg, count)
+)
+#else
 LTTNG_TRACEPOINT_EVENT_CLASS(regmap_block,
 
 	TP_PROTO(struct device *dev, unsigned int reg, int count),
@@ -100,7 +181,25 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_block, regmap_hw_write_done,
 
 	TP_ARGS(dev, reg, count)
 )
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,4))
+LTTNG_TRACEPOINT_EVENT_MAP(regcache_sync,
+
+	regmap_regcache_sync,
 
+	TP_PROTO(struct regmap *map, const char *type,
+		 const char *status),
+
+	TP_ARGS(map, type, status),
+
+	TP_FIELDS(
+		ctf_string(name, regmap_name(map))
+		ctf_string(status, status)
+		ctf_string(type, type)
+	)
+)
+#else
 LTTNG_TRACEPOINT_EVENT_MAP(regcache_sync,
 
 	regmap_regcache_sync,
@@ -116,8 +215,36 @@ LTTNG_TRACEPOINT_EVENT_MAP(regcache_sync,
 		ctf_string(type, type)
 	)
 )
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,4))
+LTTNG_TRACEPOINT_EVENT_CLASS(regmap_bool,
+
+	TP_PROTO(struct regmap *map, bool flag),
+
+	TP_ARGS(map, flag),
+
+	TP_FIELDS(
+		ctf_string(name, regmap_name(map))
+		ctf_integer(int, flag, flag)
+	)
+)
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_bool, regmap_cache_only,
+
+	TP_PROTO(struct regmap *map, bool flag),
+
+	TP_ARGS(map, flag)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_bool, regmap_cache_bypass,
+
+	TP_PROTO(struct regmap *map, bool flag),
+
+	TP_ARGS(map, flag)
+
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(regmap_bool,
 
 	TP_PROTO(struct device *dev, bool flag),
@@ -135,7 +262,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_bool, regmap_cache_only,
 	TP_PROTO(struct device *dev, bool flag),
 
 	TP_ARGS(dev, flag)
-
 )
 
 LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_bool, regmap_cache_bypass,
@@ -143,7 +269,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(regmap_bool, regmap_cache_bypass,
 	TP_PROTO(struct device *dev, bool flag),
 
 	TP_ARGS(dev, flag)
-
 )
 #endif