100 static void sps_emit(struct seeki *sip)  in sps_emit()  argument
103 	struct sps_bkt *sps = &sip->sps;  in sps_emit()
115 	fprintf(sip->sps_fp, "%15.9lf %.2lf\n", sps->t_start, s_p_s);  in sps_emit()
121 static void sps_add(struct seeki *sip, double t)  in sps_add()  argument
123 	if (sip->sps_fp) {  in sps_add()
124 		struct sps_bkt *sps = &sip->sps;  in sps_add()
127 			sps_emit(sip);  in sps_add()
184 long long seek_dist(struct seeki *sip, struct io *iop)  in seek_dist()  argument
190 		dist = start - sip->last_end;  in seek_dist()
193 		if (((sip->last_start <= start) && (start <= sip->last_end)) ||  in seek_dist()
194 		    ((sip->last_start <= end) && (end <= sip->last_end)))  in seek_dist()
196 		else if (start > sip->last_end)  in seek_dist()
197 			dist = start - sip->last_end;  in seek_dist()
199 			dist = start - sip->last_start;  in seek_dist()
203 	sip->last_start = start;  in seek_dist()
204 	sip->last_end = end;  in seek_dist()
210 	struct seeki *sip = malloc(sizeof(struct seeki));  in seeki_alloc()  local
212 	sip->rfp = seek_open(str, 'r');  in seeki_alloc()
213 	sip->wfp = seek_open(str, 'w');  in seeki_alloc()
214 	sip->cfp = seek_open(str, 'c');  in seeki_alloc()
215 	sip->tot_seeks = 0;  in seeki_alloc()
216 	sip->total_sectors = 0.0;  in seeki_alloc()
217 	sip->last_start = sip->last_end = 0;  in seeki_alloc()
218 	memset(&sip->root, 0, sizeof(sip->root));  in seeki_alloc()
223 		memset(&sip->sps, 0, sizeof(sip->sps));  in seeki_alloc()
227 		if ((sip->sps_fp = my_fopen(oname, "w")) == NULL)  in seeki_alloc()
230 			add_file(sip->sps_fp, oname);  in seeki_alloc()
232 		sip->sps_fp = NULL;  in seeki_alloc()
234 	return sip;  in seeki_alloc()
239 	struct seeki *sip = param;  in seeki_free()  local
241 	if (sip->sps_fp && sip->sps.nseeks != 0)  in seeki_free()
242 		sps_emit(sip);  in seeki_free()
247 	__destroy(sip->root.rb_node);  in seeki_free()
248 	free(sip);  in seeki_free()
253 	struct seeki *sip = handle;  in seeki_add()  local
255 	long long dist = seek_dist(sip, iop);  in seeki_add()
257 	FILE *fp = IOP_READ(iop) ? sip->rfp : sip->wfp;  in seeki_add()
261 	if (sip->cfp)  in seeki_add()
262 		fprintf(sip->cfp, "%15.9lf %13lld %c\n", tstamp, dist, rw);  in seeki_add()
265 	sip->tot_seeks++;  in seeki_add()
266 	sip->total_sectors += dist;  in seeki_add()
267 	__insert(&sip->root, dist);  in seeki_add()
269 	sps_add(sip, tstamp);  in seeki_add()
279 	struct seeki *sip = handle;  in seeki_mean()  local
280 	return sip->total_sectors / sip->tot_seeks;  in seeki_mean()
286 	struct seeki *sip = handle;  in seeki_median()  local
288 	if (sip->root.rb_node)  in seeki_median()
289 		(void)__median(sip->root.rb_node, 0LL, sip->tot_seeks / 2,  in seeki_median()
297 	struct seeki *sip = handle;  in seeki_mode()  local
298 	struct rb_root *root = &sip->root;  in seeki_mode()