P4_PEBS_CONFIG_METRIC_MASK 937 arch/x86/events/intel/p4.c BUILD_BUG_ON(P4_PEBS_METRIC__max > P4_PEBS_CONFIG_METRIC_MASK); P4_PEBS_CONFIG_METRIC_MASK 800 arch/x86/include/asm/perf_event_p4.h #define p4_config_unpack_metric(v) (((u64)(v)) & P4_PEBS_CONFIG_METRIC_MASK)