PERF_IDX2OFF       50 drivers/hwtracing/coresight/coresight-tmc-etr.c #define PERF_IDX2OFF(idx, buf)	((idx) % ((buf)->nr_pages << PAGE_SHIFT))
PERF_IDX2OFF       78 drivers/perf/arm_spe_pmu.c #define PERF_IDX2OFF(idx, buf)	((idx) % ((buf)->nr_pages << PAGE_SHIFT))