validate_group   1344 arch/mips/kernel/perf_event_mipsxx.c 		err = validate_group(event);
validate_group    850 arch/nds32/kernel/perf_event_cpu.c 		if (validate_group(event) != 0)
validate_group   2102 arch/x86/events/core.c 			err = validate_group(event);
validate_group   1310 drivers/perf/arm-cci.c 		if (validate_group(event) != 0)
validate_group    415 drivers/perf/arm_pmu.c 		if (validate_group(event) != 0)