251         const AppSample *olderSample = NULL;  in PrintPids()  local
255             olderSample = newerSample;  in PrintPids()
257             if (olderSample == NULL) {  in PrintPids()
258                 olderSample = bootZeroSample.get();  in PrintPids()
266                         cpuDataMap[olderSample->timestamp()];  in PrintPids()
269                 cpuLoad = (newerSample->utime() - olderSample->utime() +  in PrintPids()
270                            newerSample->stime() - olderSample->stime()) * 100. / cpuDelta;  in PrintPids()
275             stats.rbytes += (newerSample->readbytes() - olderSample->readbytes());  in PrintPids()
276             stats.wbytes += (newerSample->writebytes() - olderSample->writebytes());  in PrintPids()
281                    olderSample->uptime(),  in PrintPids()
283                    newerSample->rchar() - olderSample->rchar(),  in PrintPids()
284                    newerSample->wchar() - olderSample->wchar(),  in PrintPids()
285                    newerSample->syscr() - olderSample->syscr(),  in PrintPids()
286                    newerSample->syscw() - olderSample->syscw(),  in PrintPids()
287                    newerSample->readbytes() - olderSample->readbytes(),  in PrintPids()
288                    newerSample->writebytes() - olderSample->writebytes(),  in PrintPids()