TSTAT_PROBE_NPAGES
tcpu->tcpu_tdata_peffect = (after - before) / TSTAT_PROBE_NPAGES;
tcpu->tcpu_data->tdata_peffect = (after - before) / TSTAT_PROBE_NPAGES;
for (i = 0; i < TSTAT_PROBE_NPAGES; i++) {
for (i = 0; i < TSTAT_PROBE_NPAGES; i++) {
#define TSTAT_PROBE_SIZE (TSTAT_PROBE_NPAGES * MMU_PAGESIZE)