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perf print-events: Export is_event_supported()

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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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2023-06-16 18:57:48 -03:00
parent bb6b369cb4
commit e2be06662c
2 changed files with 3 additions and 1 deletions
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2
tools/perf/util/print-events.c
View File

@ -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;

2
tools/perf/util/print-events.h
View File

@ -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 */