4 files changed, 60 insertions, 4 deletions

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 1f16495..0302405 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1982,7 +1982,7 @@ int trace_parse_common_pid(void *data)
 			      "common_pid");
 }
 
-static int parse_common_pc(void *data)
+int parse_common_pc(void *data)
 {
 	static int pc_offset;
 	static int pc_size;
@@ -1991,7 +1991,7 @@ static int parse_common_pc(void *data)
 			      "common_preempt_count");
 }
 
-static int parse_common_flags(void *data)
+int parse_common_flags(void *data)
 {
 	static int flags_offset;
 	static int flags_size;
@@ -2000,7 +2000,7 @@ static int parse_common_flags(void *data)
 			      "common_flags");
 }
 
-static int parse_common_lock_depth(void *data)
+int parse_common_lock_depth(void *data)
 {
 	static int ld_offset;
 	static int ld_size;
diff --git a/tools/perf/util/trace-event-perl.c b/tools/perf/util/trace-event-perl.c
index c56b08d..d179ade 100644
--- a/tools/perf/util/trace-event-perl.c
+++ b/tools/perf/util/trace-event-perl.c
@@ -30,6 +30,21 @@
 #include "trace-event.h"
 #include "trace-event-perl.h"
 
+void xs_init(pTHX);
+
+void boot_Perf__Trace__Context(pTHX_ CV *cv);
+void boot_DynaLoader(pTHX_ CV *cv);
+
+void xs_init(pTHX)
+{
+	const char *file = __FILE__;
+	dXSUB_SYS;
+
+	newXS("Perf::Trace::Context::bootstrap", boot_Perf__Trace__Context,
+	      file);
+	newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
+}
+
 INTERP my_perl;
 
 #define FTRACE_MAX_EVENT				\
@@ -227,6 +242,33 @@ static inline struct event *find_cache_event(int type)
 	return event;
 }
 
+int get_common_pc(struct scripting_context *context)
+{
+	int pc;
+
+	pc = parse_common_pc(context->event_data);
+
+	return pc;
+}
+
+int get_common_flags(struct scripting_context *context)
+{
+	int flags;
+
+	flags = parse_common_flags(context->event_data);
+
+	return flags;
+}
+
+int get_common_lock_depth(struct scripting_context *context)
+{
+	int lock_depth;
+
+	lock_depth = parse_common_lock_depth(context->event_data);
+
+	return lock_depth;
+}
+
 static void perl_process_event(int cpu, void *data,
 			       int size __attribute((unused)),
 			       unsigned long long nsecs, char *comm)
@@ -290,6 +332,7 @@ static void perl_process_event(int cpu, void *data,
 	}
 
 	PUTBACK;
+
 	if (get_cv(handler, 0))
 		call_pv(handler, G_SCALAR);
 	else if (get_cv("main::trace_unhandled", 0)) {
@@ -328,7 +371,8 @@ static int perl_start_script(const char *script)
 	my_perl = perl_alloc();
 	perl_construct(my_perl);
 
-	if (perl_parse(my_perl, NULL, 2, (char **)command_line, (char **)NULL))
+	if (perl_parse(my_perl, xs_init, 2, (char **)command_line,
+		       (char **)NULL))
 		return -1;
 
 	perl_run(my_perl);
diff --git a/tools/perf/util/trace-event-perl.h b/tools/perf/util/trace-event-perl.h
index 6c94fa9..666a864 100644
--- a/tools/perf/util/trace-event-perl.h
+++ b/tools/perf/util/trace-event-perl.h
@@ -29,6 +29,11 @@ typedef int INTERP;
 #define perl_run(a)		(0)
 #define perl_destruct(a)	(0)
 #define perl_free(a)		(0)
+#define pTHX			void
+#define CV			void
+#define dXSUB_SYS
+#define pTHX_
+static inline void newXS(const char *a, void *b, const char *c) {}
 #else
 #include <EXTERN.h>
 #include <perl.h>
@@ -39,4 +44,8 @@ struct scripting_context {
 	void *event_data;
 };
 
+int get_common_pc(struct scripting_context *context);
+int get_common_flags(struct scripting_context *context);
+int get_common_lock_depth(struct scripting_context *context);
+
 #endif /* __PERF_TRACE_EVENT_PERL_H */
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index b1e58d3..81698d5 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -246,6 +246,9 @@ extern int latency_format;
 int parse_header_page(char *buf, unsigned long size);
 int trace_parse_common_type(void *data);
 int trace_parse_common_pid(void *data);
+int parse_common_pc(void *data);
+int parse_common_flags(void *data);
+int parse_common_lock_depth(void *data);
 struct event *trace_find_event(int id);
 struct event *trace_find_next_event(struct event *event);
 unsigned long long read_size(void *ptr, int size);