perf print-events: Export is_event_supported()

Will be used when checking if we can encode the PMU number in
perf_event_attr.type, part of the logic to use in hybrid systems
(multiple types of CPUs, such as Intel's (Alder Lake, etc) or ARM's
big.LITTLE).

Co-developed-with: Ian Rogers <[email protected]>
Cc: James Clark <[email protected]>
Cc: John Garry <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Sumanth Korikkar <[email protected]>
Cc: Suzuki K Poulose <[email protected]>
Cc: Thomas Richter <[email protected]>
Cc: Will Deacon <[email protected]>
Link: https://lore.kernel.org/linux-perf-users/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: acmel

tools/perf/util/print-events.c

@@ -229,7 +229,7 @@ void print_sdt_events(const struct print_callbacks *print_cb, void *print_state)
 	strlist__delete(sdtlist);
 }
 
-static bool is_event_supported(u8 type, u64 config)
+bool is_event_supported(u8 type, u64 config)
 {
 	bool ret = true;
 	int open_return;

tools/perf/util/print-events.h

@@ -3,6 +3,7 @@
 #define __PERF_PRINT_EVENTS_H
 
 #include <linux/perf_event.h>
+#include <linux/types.h>
 #include <stdbool.h>
 
 struct event_symbol;
@@ -36,5 +37,6 @@ void print_symbol_events(const struct print_callbacks *print_cb, void *print_sta
 			 unsigned int max);
 void print_tool_events(const struct print_callbacks *print_cb, void *print_state);
 void print_tracepoint_events(const struct print_callbacks *print_cb, void *print_state);
+bool is_event_supported(u8 type, u64 config);
 
 #endif /* __PERF_PRINT_EVENTS_H */