Add new kernel probes instrumentation

[lttng-modules.git] / instrumentation / events / lttng-module / regmap.h

diff --git a/instrumentation/events/lttng-module/regmap.h b/instrumentation/events/lttng-module/regmap.h
new file mode 100644 (file)
index 0000000..df56ac0
--- /dev/null
+++ b/instrumentation/events/lttng-module/regmap.h
@@ -0,0 +1,188 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM regmap
+
+#if !defined(_TRACE_REGMAP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_REGMAP_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+#include <linux/version.h>
+
+#ifndef _TRACE_REGMAP_DEF_
+#define _TRACE_REGMAP_DEF_
+struct device;
+struct regmap;
+#endif
+
+/*
+ * Log register events
+ */
+DECLARE_EVENT_CLASS(regmap_reg,
+
+       TP_PROTO(struct device *dev, unsigned int reg,
+                unsigned int val),
+
+       TP_ARGS(dev, reg, val),
+
+       TP_STRUCT__entry(
+               __string(       name,           dev_name(dev)   )
+               __field(        unsigned int,   reg             )
+               __field(        unsigned int,   val             )
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, dev_name(dev))
+               tp_assign(reg, reg)
+               tp_assign(val, val)
+       ),
+
+       TP_printk("%s reg=%x val=%x", __get_str(name),
+                 (unsigned int)__entry->reg,
+                 (unsigned int)__entry->val)
+)
+
+DEFINE_EVENT(regmap_reg, regmap_reg_write,
+
+       TP_PROTO(struct device *dev, unsigned int reg,
+                unsigned int val),
+
+       TP_ARGS(dev, reg, val)
+
+)
+
+DEFINE_EVENT(regmap_reg, regmap_reg_read,
+
+       TP_PROTO(struct device *dev, unsigned int reg,
+                unsigned int val),
+
+       TP_ARGS(dev, reg, val)
+
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
+
+       TP_PROTO(struct device *dev, unsigned int reg,
+                unsigned int val),
+
+       TP_ARGS(dev, reg, val)
+
+)
+#endif
+
+DECLARE_EVENT_CLASS(regmap_block,
+
+       TP_PROTO(struct device *dev, unsigned int reg, int count),
+
+       TP_ARGS(dev, reg, count),
+
+       TP_STRUCT__entry(
+               __string(       name,           dev_name(dev)   )
+               __field(        unsigned int,   reg             )
+               __field(        int,            count           )
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, dev_name(dev))
+               tp_assign(reg, reg)
+               tp_assign(count, count)
+       ),
+
+       TP_printk("%s reg=%x count=%d", __get_str(name),
+                 (unsigned int)__entry->reg,
+                 (int)__entry->count)
+)
+
+DEFINE_EVENT(regmap_block, regmap_hw_read_start,
+
+       TP_PROTO(struct device *dev, unsigned int reg, int count),
+
+       TP_ARGS(dev, reg, count)
+)
+
+DEFINE_EVENT(regmap_block, regmap_hw_read_done,
+
+       TP_PROTO(struct device *dev, unsigned int reg, int count),
+
+       TP_ARGS(dev, reg, count)
+)
+
+DEFINE_EVENT(regmap_block, regmap_hw_write_start,
+
+       TP_PROTO(struct device *dev, unsigned int reg, int count),
+
+       TP_ARGS(dev, reg, count)
+)
+
+DEFINE_EVENT(regmap_block, regmap_hw_write_done,
+
+       TP_PROTO(struct device *dev, unsigned int reg, int count),
+
+       TP_ARGS(dev, reg, count)
+)
+
+TRACE_EVENT(regcache_sync,
+
+       TP_PROTO(struct device *dev, const char *type,
+                const char *status),
+
+       TP_ARGS(dev, type, status),
+
+       TP_STRUCT__entry(
+               __string(       name,           dev_name(dev)   )
+               __string(       status,         status          )
+               __string(       type,           type            )
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, dev_name(dev))
+               tp_strcpy(status, status)
+               tp_strcpy(type, type)
+       ),
+
+       TP_printk("%s type=%s status=%s", __get_str(name),
+                 __get_str(type), __get_str(status))
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+DECLARE_EVENT_CLASS(regmap_bool,
+
+       TP_PROTO(struct device *dev, bool flag),
+
+       TP_ARGS(dev, flag),
+
+       TP_STRUCT__entry(
+               __string(       name,           dev_name(dev)   )
+               __field(        int,            flag            )
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, dev_name(dev))
+               tp_assign(flag, flag)
+       ),
+
+       TP_printk("%s flag=%d", __get_str(name),
+                 (int)__entry->flag)
+)
+
+DEFINE_EVENT(regmap_bool, regmap_cache_only,
+
+       TP_PROTO(struct device *dev, bool flag),
+
+       TP_ARGS(dev, flag)
+
+)
+
+DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
+
+       TP_PROTO(struct device *dev, bool flag),
+
+       TP_ARGS(dev, flag)
+
+)
+#endif
+
+#endif /* _TRACE_REGMAP_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"