Commit | Line | Data |
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63eba147 JA |
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 <string.h> | |
b2ecdd0f ADB |
23 | #include <sys/types.h> |
24 | #include <sys/stat.h> | |
63eba147 JA |
25 | #include <unistd.h> |
26 | ||
27 | #define INLINE_DECLARE | |
28 | #include "globals.h" | |
29 | ||
63eba147 JA |
30 | int in_devices(struct blk_io_trace *t) |
31 | { | |
32 | int i; | |
33 | unsigned int mjr, mnr; | |
34 | char *p = devices; | |
35 | ||
36 | if (p == NULL) return 1; /* Allow anything */ | |
37 | ||
38 | for (;;) { | |
39 | i = sscanf(p, "%u,%u;", &mjr, &mnr); | |
40 | ASSERT(i == 2); | |
41 | ||
42 | if ((mjr == MAJOR(t->device) && (mnr == MINOR(t->device)))) | |
43 | return 1; | |
44 | ||
45 | p = strchr(p, ';'); | |
46 | if (!p) | |
47 | break; | |
48 | p++; | |
49 | } | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
b2ecdd0f ADB |
54 | void add_file(struct file_info **fipp, FILE *fp, char *oname) |
55 | { | |
69040794 | 56 | struct file_info *fip = malloc(sizeof(*fip)); |
b2ecdd0f | 57 | |
69040794 AB |
58 | fip->ofp = fp; |
59 | fip->oname = oname; | |
b2ecdd0f ADB |
60 | fip->next = *fipp; |
61 | *fipp = fip; | |
62 | } | |
63 | ||
64 | void clean_files(struct file_info **fipp) | |
65 | { | |
66 | struct stat buf; | |
67 | struct file_info *fip; | |
68 | ||
69 | while ((fip = *fipp) != NULL) { | |
70 | *fipp = fip->next; | |
71 | ||
72 | fclose(fip->ofp); | |
73 | if (!stat(fip->oname, &buf) && (buf.st_size == 0)) | |
74 | unlink(fip->oname); | |
69040794 AB |
75 | |
76 | free(fip->oname); | |
b2ecdd0f ADB |
77 | free(fip); |
78 | } | |
79 | } | |
6eb42155 | 80 | |
69040794 AB |
81 | struct buf_info { |
82 | struct buf_info *next; | |
83 | void *buf; | |
84 | } *all_bufs; | |
85 | void add_buf(void *buf) | |
86 | { | |
87 | struct buf_info *bip = malloc(sizeof(*bip)); | |
88 | ||
89 | bip->buf = buf; | |
90 | bip->next = all_bufs; | |
91 | all_bufs = bip; | |
92 | } | |
93 | ||
94 | void clean_bufs(void) | |
95 | { | |
96 | struct buf_info *bip; | |
97 | ||
98 | while ((bip = all_bufs) != NULL) { | |
99 | all_bufs = bip->next; | |
100 | free(bip->buf); | |
101 | free(bip); | |
102 | } | |
103 | } | |
104 | ||
6eb42155 | 105 | void dbg_ping(void) {} |