[PATCH v2 6/7] ath6kl: add tracing support to log functions

[Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>]

All log messages are now sent through tracing interface as well if
ATH6KL_TRACING is enabled.

Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath6kl/debug.c |    3 +++
 drivers/net/wireless/ath/ath6kl/debug.h |    1 +
 drivers/net/wireless/ath/ath6kl/trace.h |   37 +++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 494ecfd..d032e95 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -67,6 +67,7 @@ int ath6kl_info(const char *fmt, ...)
 	va_start(args, fmt);
 	vaf.va = &args;
 	ret = ath6kl_printk(KERN_INFO, "%pV", &vaf);
+	trace_ath6kl_log_info(&vaf);
 	va_end(args);
 
 	return ret;
@@ -84,6 +85,7 @@ int ath6kl_err(const char *fmt, ...)
 	va_start(args, fmt);
 	vaf.va = &args;
 	ret = ath6kl_printk(KERN_ERR, "%pV", &vaf);
+	trace_ath6kl_log_err(&vaf);
 	va_end(args);
 
 	return ret;
@@ -101,6 +103,7 @@ int ath6kl_warn(const char *fmt, ...)
 	va_start(args, fmt);
 	vaf.va = &args;
 	ret = ath6kl_printk(KERN_WARNING, "%pV", &vaf);
+	trace_ath6kl_log_warn(&vaf);
 	va_end(args);
 
 	return ret;
diff --git a/drivers/net/wireless/ath/ath6kl/debug.h b/drivers/net/wireless/ath/ath6kl/debug.h
index 653f2e9..806f4d2 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.h
+++ b/drivers/net/wireless/ath/ath6kl/debug.h
@@ -19,6 +19,7 @@
 #define DEBUG_H
 
 #include "hif.h"
+#include "trace.h"
 
 enum ATH6K_DEBUG_MASK {
 	ATH6KL_DBG_CREDIT	= BIT(0),
diff --git a/drivers/net/wireless/ath/ath6kl/trace.h b/drivers/net/wireless/ath/ath6kl/trace.h
index 306d58d..ea55b2a 100644
--- a/drivers/net/wireless/ath/ath6kl/trace.h
+++ b/drivers/net/wireless/ath/ath6kl/trace.h
@@ -25,6 +25,11 @@ static inline unsigned int ath6kl_get_wmi_id(void *buf, size_t buf_len)
 #undef TRACE_EVENT
 #define TRACE_EVENT(name, proto, ...) \
 static inline void trace_ ## name(proto) {}
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(...)
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(evt_class, name, proto, ...) \
+static inline void trace_ ## name(proto) {}
 #endif /* !CONFIG_ATH6KL_TRACING || __CHECKER__ */
 
 #undef TRACE_SYSTEM
@@ -241,6 +246,38 @@ TRACE_EVENT(ath6kl_htc_tx,
 	)
 );
 
+#define ATH6KL_MSG_MAX 200
+
+DECLARE_EVENT_CLASS(ath6kl_log_event,
+	TP_PROTO(struct va_format *vaf),
+	TP_ARGS(vaf),
+	TP_STRUCT__entry(
+		__dynamic_array(char, msg, ATH6KL_MSG_MAX)
+	),
+	TP_fast_assign(
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+				       ATH6KL_MSG_MAX,
+				       vaf->fmt,
+				       *vaf->va) >= ATH6KL_MSG_MAX);
+	),
+	TP_printk("%s", __get_str(msg))
+);
+
+DEFINE_EVENT(ath6kl_log_event, ath6kl_log_err,
+	     TP_PROTO(struct va_format *vaf),
+	     TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(ath6kl_log_event, ath6kl_log_warn,
+	     TP_PROTO(struct va_format *vaf),
+	     TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(ath6kl_log_event, ath6kl_log_info,
+	     TP_PROTO(struct va_format *vaf),
+	     TP_ARGS(vaf)
+);
+
 #endif /* _ ATH6KL_TRACE_H || TRACE_HEADER_MULTI_READ*/
 
 /* we don't want to use include/trace/events */

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html