1 /*
2 * blktrace output analysis: generate a timeline & gather statistics
3 *
4 * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24
25 #include "globals.h"
26
27 struct aqd_info {
28 FILE *fp;
29 int na; /* # active */
30 };
31
aqd_alloc(char * str)32 void *aqd_alloc(char *str)
33 {
34 char *oname;
35 struct aqd_info *ap;
36
37 if (aqd_name == NULL) return NULL;
38
39 ap = malloc(sizeof(*ap));
40 ap->na = 0;
41
42 oname = malloc(strlen(aqd_name) + strlen(str) + 32);
43 sprintf(oname, "%s_%s.dat", aqd_name, str);
44 if ((ap->fp = my_fopen(oname, "w")) == NULL) {
45 perror(oname);
46 return NULL;
47 }
48 add_file(ap->fp, oname);
49
50 return ap;
51
52 }
53
aqd_free(void * info)54 void aqd_free(void *info)
55 {
56 free(info);
57 }
58
aqd_issue(void * info,double ts)59 void aqd_issue(void *info, double ts)
60 {
61 if (info) {
62 struct aqd_info *ap = info;
63
64 fprintf(ap->fp, "%lf %d\n%lf %d\n", ts, ap->na, ts, ap->na + 1);
65 ap->na += 1;
66 }
67 }
68
aqd_complete(void * info,double ts)69 void aqd_complete(void *info, double ts)
70 {
71 if (info) {
72 struct aqd_info *ap = info;
73
74 if (ap->na > 0) {
75 fprintf(ap->fp, "%lf %d\n%lf %d\n",
76 ts, ap->na, ts, ap->na - 1);
77 ap->na -= 1;
78 }
79 }
80 }
81