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[RFC PATCH 3/4] trace: Duplicate the output of the function trace logs to STM

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This patch adds an output from Ftrace to STM.  That being said,
Function trace messages would also be duplicated to STM buffer when
being stored into ring buffer.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
---
 kernel/trace/trace.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8a4bd6b..d613053 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -44,6 +44,7 @@
 
 #include "trace.h"
 #include "trace_output.h"
+#include "trace_output_stm.h"
 
 /*
  * On boot up, the ring buffer is set to the minimum size, so that
@@ -1884,8 +1885,10 @@ trace_function(struct trace_array *tr,
 	entry->ip			= ip;
 	entry->parent_ip		= parent_ip;
 
-	if (!call_filter_check_discard(call, entry, buffer, event))
+	if (!call_filter_check_discard(call, entry, buffer, event)) {
 		__buffer_unlock_commit(buffer, event);
+		ftrace_stm_func(ip, parent_ip);
+	}
 }
 
 #ifdef CONFIG_STACKTRACE
-- 
1.9.1

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[RFC PATCH 0/4] Integration of function trace with System Trace IP blocks Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-06-01 13:20 +0200
  [RFC PATCH 3/4] trace: Duplicate the output of the function trace logs to STM Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-06-01 13:20 +0200
    Re: [RFC PATCH 3/4] trace: Duplicate the output of the function trace logs to STM Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-06-07 12:10 +0200
      Re: [RFC PATCH 3/4] trace: Duplicate the output of the function trace  logs to STM Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-06-08 13:10 +0200
  Re: [RFC PATCH 0/4] Integration of function trace with System Trace IP blocks Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2016-06-07 13:00 +0200
    Re: [RFC PATCH 0/4] Integration of function trace with System Trace  IP blocks Chunyan Zhang <zhang.chunyan@linaro.org> - 2016-06-08 13:10 +0200

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