MMCR1_TTM2SEL_SH   45 arch/powerpc/perf/power5+-pmu.c #define MMCR1_TTM2SEL_SH	58
MMCR1_TTM2SEL_SH   45 arch/powerpc/perf/power5-pmu.c #define MMCR1_TTM2SEL_SH	58
MMCR1_TTM2SEL_SH   33 arch/powerpc/perf/power7-pmu.c #define MMCR1_TTM2SEL_SH	52