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 <[email protected]> --- 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
