counta 38 arch/powerpc/perf/8xx-pmu.c unsigned long counta; counta 42 arch/powerpc/perf/8xx-pmu.c counta = mfspr(SPRN_COUNTA); counta 45 arch/powerpc/perf/8xx-pmu.c return ((s64)ctr << 16) | (counta >> 16);