usr.bin/vmstat/dkstats.c

85 struct _disk	cur, last;
105 			cur.fld -= last.fld;			\
106 			last.fld = tmp
109  * Take the delta between the present values and the last recorded
110  * values, storing the present values in the 'last' structure, and
134 		timersub(&tmp_timer, &last.dk_time[i], &cur.dk_time[i]);
135 		last.dk_time[i] = tmp_timer;
141 		cur.cp_time[i] -= last.cp_time[i];
142 		last.cp_time[i] = ltmp;
165 	last.dk_ndrive = cur.dk_ndrive;
212 						last.dk_rxfer[i] = 0;
213 						last.dk_wxfer[i] = 0;
214 						last.dk_seek[i] = 0;
215 						last.dk_rbytes[i] = 0;
216 						last.dk_wbytes[i] = 0;
217 						memset(&last.dk_time[i], 0,
223 					last.dk_rxfer[i] = last.dk_rxfer[j];
224 					last.dk_wxfer[i] = last.dk_wxfer[j];
225 					last.dk_seek[i] = last.dk_seek[j];
226 					last.dk_rbytes[i] = last.dk_rbytes[j];
227 					last.dk_wbytes[i] = last.dk_wbytes[j];
228 					last.dk_time[i] = last.dk_time[j];
245 				last.dk_rxfer = reallocarray(last.dk_rxfer,
246 				    dk_ndrive, sizeof(*last.dk_rxfer));
247 				last.dk_wxfer = reallocarray(last.dk_wxfer,
248 				    dk_ndrive, sizeof(*last.dk_wxfer));
249 				last.dk_seek = reallocarray(last.dk_seek,
250 				    dk_ndrive, sizeof(*last.dk_seek));
251 				last.dk_rbytes = reallocarray(last.dk_rbytes,
252 				    dk_ndrive, sizeof(*last.dk_rbytes));
253 				last.dk_wbytes = reallocarray(last.dk_wbytes,
254 				    dk_ndrive, sizeof(*last.dk_wbytes));
255 				last.dk_time = reallocarray(last.dk_time,
256 				    dk_ndrive, sizeof(*last.dk_time));
261 				    !cur.dk_time || !last.dk_rxfer ||
262 				    !last.dk_wxfer || !last.dk_seek ||
263 				    !last.dk_rbytes || !last.dk_wbytes ||
264 				    !last.dk_time)
281 				last.dk_rxfer = reallocarray(last.dk_rxfer,
282 				    dk_ndrive, sizeof(*last.dk_rxfer));
283 				last.dk_wxfer = reallocarray(last.dk_wxfer,
284 				    dk_ndrive, sizeof(*last.dk_wxfer));
285 				last.dk_seek = reallocarray(last.dk_seek,
286 				    dk_ndrive, sizeof(*last.dk_seek));
287 				last.dk_rbytes = reallocarray(last.dk_rbytes,
288 				    dk_ndrive, sizeof(*last.dk_rbytes));
289 				last.dk_wbytes = reallocarray(last.dk_wbytes,
290 				    dk_ndrive, sizeof(*last.dk_wbytes));
291 				last.dk_time = reallocarray(last.dk_time,
292 				    dk_ndrive, sizeof(*last.dk_time));
297 				    !cur.dk_time || !last.dk_rxfer ||
298 				    !last.dk_wxfer || !last.dk_seek ||
299 				    !last.dk_rbytes || !last.dk_wbytes ||
300 				    !last.dk_time)
310 						last.dk_rxfer[i] = 0;
311 						last.dk_wxfer[i] = 0;
312 						last.dk_seek[i] = 0;
313 						last.dk_rbytes[i] = 0;
314 						last.dk_wbytes[i] = 0;
315 						memset(&last.dk_time[i], 0,
323 						last.dk_rxfer[i] =
324 						    last.dk_rxfer[j];
325 						last.dk_wxfer[i] =
326 						    last.dk_wxfer[j];
327 						last.dk_seek[i] =
328 						    last.dk_seek[j];
329 						last.dk_rbytes[i] =
330 						    last.dk_rbytes[j];
331 						last.dk_wbytes[i] =
332 						    last.dk_wbytes[j];
333 						last.dk_time[i] =
334 						    last.dk_time[j];
493 	last.dk_time = calloc((size_t)cur.dk_ndrive, sizeof(struct timeval));
494 	last.dk_rxfer = calloc((size_t)cur.dk_ndrive, sizeof(u_int64_t));
495 	last.dk_wxfer = calloc((size_t)cur.dk_ndrive, sizeof(u_int64_t));
496 	last.dk_seek = calloc((size_t)cur.dk_ndrive, sizeof(u_int64_t));
497 	last.dk_rbytes = calloc((size_t)cur.dk_ndrive, sizeof(u_int64_t));
498 	last.dk_wbytes = calloc((size_t)cur.dk_ndrive, sizeof(u_int64_t));
502 	    !cur.dk_name || !last.dk_time || !last.dk_rxfer ||
503 	    !last.dk_wxfer || !last.dk_seek || !last.dk_rbytes ||
504 	    !last.dk_wbytes)