Commit e2be0666 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

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 <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/linux-perf-users/ZIzYgImv61OGK1wA@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent bb6b369c

tools/perf/util/print-events.c

+1 −1
Original line number Diff line number Diff line
@@ -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

+2 −0
Original line number Diff line number Diff line
@@ -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 */